Merge pull request #2723 from dpalou/MOBILE-3641

Mobile 3641

src/addons/blog/services/handlers/course-option.ts

@@ -24,7 +24,7 @@ import { CoreCourseUserAdminOrNavOptionIndexed } from '@features/courses/service
 import { CoreEnrolledCourseDataWithExtraInfoAndOptions } from '@features/courses/services/courses-helper';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonBlog } from '../blog';
 import { AddonBlogMainMenuHandlerService } from './mainmenu';
@@ -89,7 +89,7 @@ export class AddonBlogCourseOptionHandlerService implements CoreCourseOptionsHan
         const result = await AddonBlog.getEntries({ courseid: course.id });
 
         await Promise.all(result.entries.map(async (entry) => {
-            let files: CoreWSExternalFile[] = [];
+            let files: CoreWSFile[] = [];
 
             if (entry.attachmentfiles && entry.attachmentfiles.length) {
                 files = entry.attachmentfiles;

src/addons/mod/assign/components/feedback-plugin/feedback-plugin.ts

@@ -15,7 +15,7 @@
 import { Component, Input, OnInit, ViewChild, Type } from '@angular/core';
 import { CoreError } from '@classes/errors/error';
 import { CoreDynamicComponent } from '@components/dynamic-component/dynamic-component';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { ModalController } from '@singletons';
 import { AddonModAssignFeedbackCommentsTextData } from '../../feedback/comments/services/handler';
 import {
@@ -53,7 +53,7 @@ export class AddonModAssignFeedbackPluginComponent implements OnInit {
     // Data to render the plugin if it isn't supported.
     component = AddonModAssignProvider.COMPONENT;
     text = '';
-    files: CoreWSExternalFile[] = [];
+    files: CoreWSFile[] = [];
     notSupported = false;
     pluginLoaded = false;
 

src/addons/mod/assign/components/submission-plugin/submission-plugin.ts

@@ -14,7 +14,6 @@
 
 import { Component, Input, OnInit, Type, ViewChild } from '@angular/core';
 import { CoreDynamicComponent } from '@components/dynamic-component/dynamic-component';
-import { CoreWSExternalFile } from '@services/ws';
 import {
     AddonModAssignAssign,
     AddonModAssignSubmission,
@@ -24,7 +23,7 @@ import {
 } from '../../services/assign';
 import { AddonModAssignHelper, AddonModAssignPluginConfig } from '../../services/assign-helper';
 import { AddonModAssignSubmissionDelegate } from '../../services/submission-delegate';
-import { FileEntry } from '@ionic-native/file/ngx';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Component that displays an assignment submission plugin.
@@ -49,7 +48,7 @@ export class AddonModAssignSubmissionPluginComponent implements OnInit {
     // Data to render the plugin if it isn't supported.
     component = AddonModAssignProvider.COMPONENT;
     text = '';
-    files: (FileEntry | CoreWSExternalFile)[] = [];
+    files: CoreFileEntry[] = [];
     notSupported = false;
     pluginLoaded = false;
 

src/addons/mod/assign/feedback/comments/services/handler.ts

@@ -25,7 +25,7 @@ import { Injectable, Type } from '@angular/core';
 import { CoreSites } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModAssignFeedbackCommentsComponent } from '../component/comments';
 
@@ -126,7 +126,7 @@ export class AddonModAssignFeedbackCommentsHandlerService implements AddonModAss
         assign: AddonModAssignAssign,
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
-    ): CoreWSExternalFile[] {
+    ): CoreWSFile[] {
         return AddonModAssign.getSubmissionPluginAttachments(plugin);
     }
 

src/addons/mod/assign/feedback/editpdf/component/editpdf.ts

@@ -15,7 +15,7 @@
 import { AddonModAssignFeedbackPluginComponent } from '@addons/mod/assign/components/feedback-plugin/feedback-plugin';
 import { AddonModAssignProvider, AddonModAssign } from '@addons/mod/assign/services/assign';
 import { Component, OnInit } from '@angular/core';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 
 /**
  * Component to render a edit pdf feedback plugin.
@@ -27,7 +27,7 @@ import { CoreWSExternalFile } from '@services/ws';
 export class AddonModAssignFeedbackEditPdfComponent extends AddonModAssignFeedbackPluginComponent implements OnInit {
 
     component = AddonModAssignProvider.COMPONENT;
-    files: CoreWSExternalFile[] = [];
+    files: CoreWSFile[] = [];
 
     /**
      * Component being initialized.

src/addons/mod/assign/feedback/editpdf/services/handler.ts

@@ -20,7 +20,7 @@ import {
 } from '@addons/mod/assign/services/assign';
 import { AddonModAssignFeedbackHandler } from '@addons/mod/assign/services/feedback-delegate';
 import { Injectable, Type } from '@angular/core';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModAssignFeedbackEditPdfComponent } from '../component/editpdf';
 
@@ -56,7 +56,7 @@ export class AddonModAssignFeedbackEditPdfHandlerService implements AddonModAssi
         assign: AddonModAssignAssign,
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
-    ): CoreWSExternalFile[] {
+    ): CoreWSFile[] {
         return AddonModAssign.getSubmissionPluginAttachments(plugin);
     }
 

src/addons/mod/assign/feedback/file/component/file.ts

@@ -15,7 +15,7 @@
 import { AddonModAssignFeedbackPluginComponent } from '@addons/mod/assign/components/feedback-plugin/feedback-plugin';
 import { AddonModAssign, AddonModAssignProvider } from '@addons/mod/assign/services/assign';
 import { Component, OnInit } from '@angular/core';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 
 /**
  * Component to render a file feedback plugin.
@@ -27,7 +27,7 @@ import { CoreWSExternalFile } from '@services/ws';
 export class AddonModAssignFeedbackFileComponent extends AddonModAssignFeedbackPluginComponent implements OnInit {
 
     component = AddonModAssignProvider.COMPONENT;
-    files: CoreWSExternalFile[] = [];
+    files: CoreWSFile[] = [];
 
     /**
      * Component being initialized.

src/addons/mod/assign/feedback/file/services/handler.ts

@@ -20,7 +20,7 @@ import {
 } from '@addons/mod/assign/services/assign';
 import { AddonModAssignFeedbackHandler } from '@addons/mod/assign/services/feedback-delegate';
 import { Injectable, Type } from '@angular/core';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModAssignFeedbackFileComponent } from '../component/file';
 
@@ -56,7 +56,7 @@ export class AddonModAssignFeedbackFileHandlerService implements AddonModAssignF
         assign: AddonModAssignAssign,
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
-    ): CoreWSExternalFile[] {
+    ): CoreWSFile[] {
         return AddonModAssign.getSubmissionPluginAttachments(plugin);
     }
 

src/addons/mod/assign/services/assign-helper.ts

@@ -15,7 +15,6 @@
 import { Injectable } from '@angular/core';
 import { CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
 import { CoreSites, CoreSitesCommonWSOptions } from '@services/sites';
-import { CoreWSExternalFile } from '@services/ws';
 import { FileEntry } from '@ionic-native/file/ngx';
 import {
     AddonModAssignProvider,
@@ -36,6 +35,7 @@ import { AddonModAssignSubmissionDelegate } from './submission-delegate';
 import { AddonModAssignFeedbackDelegate } from './feedback-delegate';
 import { makeSingleton } from '@singletons';
 import { CoreFormFields } from '@singletons/form';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Service that provides some helper functions for assign.
@@ -642,7 +642,7 @@ export class AddonModAssignHelperProvider {
     async storeSubmissionFiles(
         assignId: number,
         folderName: string,
-        files: (CoreWSExternalFile | FileEntry)[],
+        files: CoreFileEntry[],
         userId?: number,
         siteId?: string,
     ): Promise<CoreFileUploaderStoreFilesResult> {
@@ -661,7 +661,7 @@ export class AddonModAssignHelperProvider {
      * @param siteId Site ID. If not defined, current site.
      * @return Promise resolved with the itemId.
      */
-    uploadFile(assignId: number, file: CoreWSExternalFile | FileEntry, itemId?: number, siteId?: string): Promise<number> {
+    uploadFile(assignId: number, file: CoreFileEntry, itemId?: number, siteId?: string): Promise<number> {
         return CoreFileUploader.uploadOrReuploadFile(file, itemId, AddonModAssignProvider.COMPONENT, assignId, siteId);
     }
 
@@ -675,7 +675,7 @@ export class AddonModAssignHelperProvider {
      * @param siteId Site ID. If not defined, current site.
      * @return Promise resolved with the itemId.
      */
-    uploadFiles(assignId: number, files: (CoreWSExternalFile | FileEntry)[], siteId?: string): Promise<number> {
+    uploadFiles(assignId: number, files: CoreFileEntry[], siteId?: string): Promise<number> {
         return CoreFileUploader.uploadOrReuploadFiles(files, AddonModAssignProvider.COMPONENT, assignId, siteId);
     }
 
@@ -693,7 +693,7 @@ export class AddonModAssignHelperProvider {
     async uploadOrStoreFiles(
         assignId: number,
         folderName: string,
-        files: (CoreWSExternalFile | FileEntry)[],
+        files: CoreFileEntry[],
         offline = false,
         userId?: number,
         siteId?: string,

src/addons/mod/assign/services/assign-sync.ts

@@ -53,7 +53,7 @@ export class AddonModAssignSyncProvider extends CoreCourseActivitySyncBaseProvid
     protected componentTranslatableString = 'assign';
 
     constructor() {
-        super('AddonModLessonSyncProvider');
+        super('AddonModAssignSyncProvider');
     }
 
     /**

src/addons/mod/assign/services/assign.ts

@@ -16,7 +16,7 @@ import { Injectable } from '@angular/core';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreInterceptor } from '@classes/interceptor';
-import { CoreWSExternalWarning, CoreWSExternalFile } from '@services/ws';
+import { CoreWSExternalWarning, CoreWSExternalFile, CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreTextUtils } from '@services/utils/text';
@@ -405,12 +405,12 @@ export class AddonModAssignProvider {
      * @param submissionPlugin Submission plugin.
      * @return Submission plugin attachments.
      */
-    getSubmissionPluginAttachments(submissionPlugin: AddonModAssignPlugin): CoreWSExternalFile[] {
+    getSubmissionPluginAttachments(submissionPlugin: AddonModAssignPlugin): CoreWSFile[] {
         if (!submissionPlugin.fileareas) {
             return [];
         }
 
-        const files: CoreWSExternalFile[] = [];
+        const files: CoreWSFile[] = [];
 
         submissionPlugin.fileareas.forEach((filearea) => {
             if (!filearea || !filearea.files) {

src/addons/mod/assign/services/feedback-delegate.ts

@@ -17,7 +17,7 @@ import { CoreDelegate, CoreDelegateHandler } from '@classes/delegate';
 import { AddonModAssignDefaultFeedbackHandler } from './handlers/default-feedback';
 import { AddonModAssignAssign, AddonModAssignSubmission, AddonModAssignPlugin, AddonModAssignSavePluginData } from './assign';
 import { makeSingleton } from '@singletons';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { AddonModAssignSubmissionFormatted } from './assign-helper';
 import { CoreFormFields } from '@singletons/form';
 
@@ -79,7 +79,7 @@ export interface AddonModAssignFeedbackHandler extends CoreDelegateHandler {
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
         siteId?: string,
-    ): CoreWSExternalFile[] | Promise<CoreWSExternalFile[]>;
+    ): CoreWSFile[] | Promise<CoreWSFile[]>;
 
     /**
      * Get a readable name to use for the plugin.
@@ -246,8 +246,8 @@ export class AddonModAssignFeedbackDelegateService extends CoreDelegate<AddonMod
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
         siteId?: string,
-    ): Promise<CoreWSExternalFile[]> {
-        const files: CoreWSExternalFile[] | undefined =
+    ): Promise<CoreWSFile[]> {
+        const files: CoreWSFile[] | undefined =
             await this.executeFunctionOnEnabled(plugin.type, 'getPluginFiles', [assign, submission, plugin, siteId]);
 
         return files || [];

src/addons/mod/assign/services/handlers/default-feedback.ts

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import { Injectable } from '@angular/core';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { Translate } from '@singletons';
 import { AddonModAssignPlugin } from '../assign';
 import { AddonModAssignFeedbackHandler } from '../feedback-delegate';
@@ -52,7 +52,7 @@ export class AddonModAssignDefaultFeedbackHandler implements AddonModAssignFeedb
      *
      * @return The files (or promise resolved with the files).
      */
-    getPluginFiles(): CoreWSExternalFile[] {
+    getPluginFiles(): CoreWSFile[] {
         return [];
     }
 

src/addons/mod/assign/services/handlers/default-submission.ts

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import { Injectable } from '@angular/core';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { Translate } from '@singletons';
 import { AddonModAssignPlugin } from '../assign';
 import { AddonModAssignSubmissionHandler } from '../submission-delegate';
@@ -79,7 +79,7 @@ export class AddonModAssignDefaultSubmissionHandler implements AddonModAssignSub
      *
      * @return The files (or promise resolved with the files).
      */
-    getPluginFiles(): CoreWSExternalFile[] {
+    getPluginFiles(): CoreWSFile[] {
         return [];
     }
 

src/addons/mod/assign/services/handlers/prefetch.ts

@@ -26,7 +26,7 @@ import { AddonModAssignSubmissionDelegate } from '../submission-delegate';
 import { AddonModAssignFeedbackDelegate } from '../feedback-delegate';
 import { CoreCourseActivityPrefetchHandlerBase } from '@features/course/classes/activity-prefetch-handler';
 import { CoreCourse, CoreCourseAnyModuleData, CoreCourseCommonModWSOptions } from '@features/course/services/course';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { AddonModAssignHelper, AddonModAssignSubmissionFormatted } from '../assign-helper';
 import { CoreCourseHelper } from '@features/course/services/course-helper';
 import { CoreUtils } from '@services/utils/utils';
@@ -82,13 +82,13 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
      * @param courseId Course ID the module belongs to.
      * @return Promise resolved with the list of files.
      */
-    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         const siteId = CoreSites.getCurrentSiteId();
 
         try {
             const assign = await AddonModAssign.getAssignment(courseId, module.id, { siteId });
             // Get intro files and attachments.
-            let files = assign.introattachments || [];
+            let files: CoreWSFile[] = assign.introattachments || [];
             files = files.concat(this.getIntroFilesFromInstance(module, assign));
 
             // Now get the files in the submissions.
@@ -145,7 +145,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
         submitId: number,
         blindMarking: boolean,
         siteId?: string,
-    ): Promise<CoreWSExternalFile[]> {
+    ): Promise<CoreWSFile[]> {
 
         const submissionStatus = await AddonModAssign.getSubmissionStatusWithRetry(assign, {
             userId: submitId,
@@ -158,7 +158,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
             return [];
         }
 
-        const promises: Promise<CoreWSExternalFile[]>[] = [];
+        const promises: Promise<CoreWSFile[]>[] = [];
 
         if (userSubmission.plugins) {
             // Add submission plugin files.
@@ -245,7 +245,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
 
         // Get assignment to retrieve all its submissions.
         const assign = await AddonModAssign.getAssignment(courseId, module.id, options);
-        const promises: Promise<any>[] = [];
+        const promises: Promise<unknown>[] = [];
         const blindMarking = assign.blindmarking && !assign.revealidentities;
 
         if (blindMarking) {
@@ -259,7 +259,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
         promises.push(CoreCourseHelper.getModuleCourseIdByInstance(assign.id, 'assign', siteId));
 
         // Download intro files and attachments. Do not call getFiles because it'd call some WS twice.
-        let files = assign.introattachments || [];
+        let files: CoreWSFile[] = assign.introattachments || [];
         files = files.concat(this.getIntroFilesFromInstance(module, assign));
 
         promises.push(CoreFilepool.addFilesToQueue(siteId, files, this.component, module.id));
@@ -293,7 +293,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
 
         // Get submissions.
         const submissions = await AddonModAssign.getSubmissions(assign.id, modOptions);
-        const promises: Promise<any>[] = [];
+        const promises: Promise<unknown>[] = [];
 
         promises.push(this.prefetchParticipantSubmissions(
             assign,
@@ -359,7 +359,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
             AddonModAssignHelper.getSubmissionsUserData(assign, submissions, group.id, options)
                 .then((submissions: AddonModAssignSubmissionFormatted[]) => {
 
-                    const subPromises: Promise<any>[] = submissions.map((submission) => {
+                    const subPromises: Promise<unknown>[] = submissions.map((submission) => {
                         const submissionOptions = {
                             userId: submission.submitid,
                             groupId: group.id,
@@ -426,7 +426,7 @@ export class AddonModAssignPrefetchHandlerService extends CoreCourseActivityPref
         const userId = options.userId;
 
         try {
-            const promises: Promise<any>[] = [];
+            const promises: Promise<unknown>[] = [];
             const blindMarking = !!assign.blindmarking && !assign.revealidentities;
             let userIds: number[] = [];
             const userSubmission = AddonModAssign.getSubmissionObjectFromAttempt(assign, submission.lastattempt);

src/addons/mod/assign/services/submission-delegate.ts

@@ -17,7 +17,7 @@ import { CoreDelegate, CoreDelegateHandler } from '@classes/delegate';
 import { AddonModAssignDefaultSubmissionHandler } from './handlers/default-submission';
 import { AddonModAssignAssign, AddonModAssignSubmission, AddonModAssignPlugin, AddonModAssignSavePluginData } from './assign';
 import { makeSingleton } from '@singletons';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { AddonModAssignSubmissionsDBRecordFormatted } from './assign-offline';
 import { CoreFormFields } from '@singletons/form';
 
@@ -139,7 +139,7 @@ export interface AddonModAssignSubmissionHandler extends CoreDelegateHandler {
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
         siteId?: string,
-    ): CoreWSExternalFile[] | Promise<CoreWSExternalFile[]>;
+    ): CoreWSFile[] | Promise<CoreWSFile[]>;
 
     /**
      * Get a readable name to use for the plugin.
@@ -384,8 +384,8 @@ export class AddonModAssignSubmissionDelegateService extends CoreDelegate<AddonM
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
         siteId?: string,
-    ): Promise<CoreWSExternalFile[]> {
-        const files: CoreWSExternalFile[] | undefined =
+    ): Promise<CoreWSFile[]> {
+        const files: CoreWSFile[] | undefined =
             await this.executeFunctionOnEnabled(plugin.type, 'getPluginFiles', [assign, submission, plugin, siteId]);
 
         return files || [];

src/addons/mod/assign/submission/file/services/handler.ts

@@ -24,10 +24,10 @@ import { AddonModAssignOffline, AddonModAssignSubmissionsDBRecordFormatted } fro
 import { AddonModAssignSubmissionHandler } from '@addons/mod/assign/services/submission-delegate';
 import { Injectable, Type } from '@angular/core';
 import { CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
-import { CoreFileHelper } from '@services/file-helper';
+import { CoreFileEntry, CoreFileHelper } from '@services/file-helper';
 import { CoreFileSession } from '@services/file-session';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModAssignSubmissionFileComponent } from '../component/file';
 import { FileEntry } from '@ionic-native/file/ngx';
@@ -156,7 +156,7 @@ export class AddonModAssignSubmissionFileHandlerService implements AddonModAssig
         assign: AddonModAssignAssign,
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
-    ): CoreWSExternalFile[] {
+    ): CoreWSFile[] {
         return AddonModAssign.getSubmissionPluginAttachments(plugin);
     }
 
@@ -350,14 +350,14 @@ export class AddonModAssignSubmissionFileHandlerService implements AddonModAssig
         submission: AddonModAssignSubmission,
         offlineData?: AddonModAssignSubmissionsDBRecordFormatted,
         siteId?: string,
-    ): Promise<(FileEntry | CoreWSExternalFile)[]> {
+    ): Promise<CoreFileEntry[]> {
         const filesData = <CoreFileUploaderStoreFilesResult>offlineData?.plugindata.files_filemanager;
         if (!filesData) {
             return [];
         }
 
         // Has some data to sync.
-        let files: (FileEntry | CoreWSExternalFile)[] = filesData.online || [];
+        let files: CoreFileEntry[] = filesData.online || [];
 
         if (filesData.offline) {
             // Has offline files, get them and add them to the list.

src/addons/mod/assign/submission/onlinetext/services/handler.ts

@@ -27,7 +27,7 @@ import { CoreFileHelper } from '@services/file-helper';
 import { CoreSites } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModAssignSubmissionOnlineTextComponent } from '../component/onlinetext';
 
@@ -124,7 +124,7 @@ export class AddonModAssignSubmissionOnlineTextHandlerService implements AddonMo
         assign: AddonModAssignAssign,
         submission: AddonModAssignSubmission,
         plugin: AddonModAssignPlugin,
-    ): CoreWSExternalFile[] {
+    ): CoreWSFile[] {
         return AddonModAssign.getSubmissionPluginAttachments(plugin);
     }
 

src/addons/mod/book/services/handlers/prefetch.ts

@@ -16,7 +16,7 @@ import { Injectable } from '@angular/core';
 import { CoreCourseResourcePrefetchHandlerBase } from '@features/course/classes/resource-prefetch-handler';
 import { CoreCourseAnyModuleData, CoreCourseWSModule } from '@features/course/services/course';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModBook, AddonModBookProvider } from '../book';
 
@@ -55,7 +55,7 @@ export class AddonModBookPrefetchHandlerService extends CoreCourseResourcePrefet
      * @param courseId Course ID.
      * @return Promise resolved with list of intro files.
      */
-    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         const book = await CoreUtils.ignoreErrors(AddonModBook.getBook(courseId, module.id));
 
         return this.getIntroFilesFromInstance(module, book);

src/addons/mod/choice/services/handlers/prefetch.ts

@@ -19,7 +19,7 @@ import { CoreUser } from '@features/user/services/user';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModChoice, AddonModChoiceProvider } from '../choice';
 import { AddonModChoiceSync, AddonModChoiceSyncResult } from '../choice-sync';
@@ -116,7 +116,7 @@ export class AddonModChoicePrefetchHandlerService extends CoreCourseActivityPref
     /**
      * @inheritdoc
      */
-    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         const choice = await CoreUtils.ignoreErrors(AddonModChoice.getChoice(courseId, module.id));
 
         return this.getIntroFilesFromInstance(module, choice);

src/addons/mod/data/fields/file/component/file.ts

@@ -15,8 +15,7 @@ import { Component } from '@angular/core';
 import { AddonModDataEntryField, AddonModDataProvider } from '@addons/mod/data/services/data';
 import { AddonModDataFieldPluginComponent } from '@addons/mod/data/classes/field-plugin-component';
 import { CoreFileSession } from '@services/file-session';
-import { CoreWSExternalFile } from '@services/ws';
-import { FileEntry } from '@ionic-native/file';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Component to render data file field.
@@ -27,7 +26,7 @@ import { FileEntry } from '@ionic-native/file';
 })
 export class AddonModDataFieldFileComponent extends AddonModDataFieldPluginComponent {
 
-    files: (CoreWSExternalFile | FileEntry)[] = [];
+    files: CoreFileEntry[] = [];
     component?: string;
     componentId?: number;
     maxSizeBytes?: number;
@@ -38,7 +37,7 @@ export class AddonModDataFieldFileComponent extends AddonModDataFieldPluginCompo
      * @param value Input value.
      * @return List of files.
      */
-    protected getFiles(value?: Partial<AddonModDataEntryField>): (CoreWSExternalFile | FileEntry)[] {
+    protected getFiles(value?: Partial<AddonModDataEntryField>): CoreFileEntry[] {
         let files = value?.files || [];
 
         // Reduce to first element.

src/addons/mod/data/fields/file/services/handler.ts

@@ -22,12 +22,12 @@ import {
 import { AddonModDataFieldHandler } from '@addons/mod/data/services/data-fields-delegate';
 import { Injectable, Type } from '@angular/core';
 import { CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
-import { FileEntry } from '@ionic-native/file';
+import { FileEntry } from '@ionic-native/file/ngx';
 import { CoreFileSession } from '@services/file-session';
 import { CoreFormFields } from '@singletons/form';
-import { CoreWSExternalFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModDataFieldFileComponent } from '../component/file';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Handler for file data field plugin.
@@ -77,7 +77,7 @@ export class AddonModDataFieldFileHandlerService implements AddonModDataFieldHan
     /**
      * @inheritdoc
      */
-    getFieldEditFiles(field: AddonModDataField): (CoreWSExternalFile | FileEntry)[] {
+    getFieldEditFiles(field: AddonModDataField): CoreFileEntry[] {
         return CoreFileSession.getFiles(AddonModDataProvider.COMPONENT,  field.dataid + '_' + field.id);
     }
 

src/addons/mod/data/fields/picture/component/picture.ts

@@ -13,10 +13,9 @@
 // limitations under the License.
 import { AddonModDataEntryField, AddonModDataProvider } from '@addons/mod/data/services/data';
 import { Component } from '@angular/core';
-import { FileEntry } from '@ionic-native/file';
+import { CoreFileEntry, CoreFileHelper } from '@services/file-helper';
 import { CoreFileSession } from '@services/file-session';
 import { CoreDomUtils } from '@services/utils/dom';
-import { CoreWSExternalFile } from '@services/ws';
 import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';
 
 /**
@@ -28,12 +27,12 @@ import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-
 })
 export class AddonModDataFieldPictureComponent extends AddonModDataFieldPluginComponent {
 
-    files: (CoreWSExternalFile | FileEntry)[] = [];
+    files: CoreFileEntry[] = [];
     component?: string;
     componentId?: number;
     maxSizeBytes?: number;
 
-    image?: CoreWSExternalFile | FileEntry;
+    image?: CoreFileEntry;
     entryId?: number;
     imageUrl?: string;
     title?: string;
@@ -46,7 +45,7 @@ export class AddonModDataFieldPictureComponent extends AddonModDataFieldPluginCo
      * @param value Input value.
      * @return List of files.
      */
-    protected getFiles(value?: Partial<AddonModDataEntryField>): (CoreWSExternalFile | FileEntry)[] {
+    protected getFiles(value?: Partial<AddonModDataEntryField>): CoreFileEntry[] {
         let files = value?.files || [];
 
         // Reduce to first element.
@@ -65,9 +64,9 @@ export class AddonModDataFieldPictureComponent extends AddonModDataFieldPluginCo
      * @return File found or false.
      */
     protected findFile(
-        files: (CoreWSExternalFile | FileEntry)[],
+        files: CoreFileEntry[],
         filenameSeek: string,
-    ): CoreWSExternalFile | FileEntry | undefined {
+    ): CoreFileEntry | undefined {
         return files.find((file) => ('name' in file ? file.name : file.filename) == filenameSeek) || undefined;
     }
 
@@ -130,7 +129,7 @@ export class AddonModDataFieldPictureComponent extends AddonModDataFieldPluginCo
                 if (this.image) {
                     this.imageUrl = 'name' in this.image
                         ? this.image.toURL() // Is Offline.
-                        : this.image.fileurl;
+                        : CoreFileHelper.getFileUrl(this.image);
                 }
             }, 1);
 

src/addons/mod/data/fields/picture/services/handler.ts

@@ -22,12 +22,12 @@ import {
 import { AddonModDataFieldHandler } from '@addons/mod/data/services/data-fields-delegate';
 import { Injectable, Type } from '@angular/core';
 import { CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
-import { FileEntry } from '@ionic-native/file';
+import { FileEntry } from '@ionic-native/file/ngx';
 import { CoreFileSession } from '@services/file-session';
 import { CoreFormFields } from '@singletons/form';
-import { CoreWSExternalFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModDataFieldPictureComponent } from '../component/picture';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Handler for picture data field plugin.
@@ -88,7 +88,7 @@ export class AddonModDataFieldPictureHandlerService implements AddonModDataField
     /**
      * @inheritdoc
      */
-    getFieldEditFiles(field: AddonModDataField): (CoreWSExternalFile | FileEntry)[] {
+    getFieldEditFiles(field: AddonModDataField): CoreFileEntry[] {
         return CoreFileSession.getFiles(AddonModDataProvider.COMPONENT,  field.dataid + '_' + field.id);
     }
 

src/addons/mod/data/fields/textarea/component/textarea.ts

@@ -16,7 +16,7 @@ import { Component } from '@angular/core';
 import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';
 import { AddonModDataEntryField, AddonModDataProvider } from '@addons/mod/data/services/data';
 import { CoreTextUtils } from '@services/utils/text';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 
 /**
  * Component to render data number field.
@@ -37,7 +37,7 @@ export class AddonModDataFieldTextareaComponent extends AddonModDataFieldPluginC
      * @return Replaced string to be rendered.
      */
     format(value?: Partial<AddonModDataEntryField>): string {
-        const files: CoreWSExternalFile[] = (value && <CoreWSExternalFile[]>value.files) || [];
+        const files: CoreWSFile[] = (value && <CoreWSFile[]>value.files) || [];
 
         return value ? CoreTextUtils.replacePluginfileUrls(value.content || '', files) : '';
     }

src/addons/mod/data/fields/textarea/services/handler.ts

@@ -14,13 +14,13 @@
 
 import { AddonModDataEntryField, AddonModDataField, AddonModDataSubfieldData } from '@addons/mod/data/services/data';
 import { Injectable, Type } from '@angular/core';
-import { FileEntry } from '@ionic-native/file';
 import { CoreFormFields } from '@singletons/form';
 import { CoreTextUtils } from '@services/utils/text';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModDataFieldTextHandlerService } from '../../text/services/handler';
 import { AddonModDataFieldTextareaComponent } from '../component/textarea';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Handler for textarea data field plugin.
@@ -49,7 +49,7 @@ export class AddonModDataFieldTextareaHandlerService extends AddonModDataFieldTe
         const fieldName = 'f_' + field.id;
         const files = this.getFieldEditFiles(field, inputData, originalFieldData);
 
-        let text = CoreTextUtils.restorePluginfileUrls(inputData[fieldName] || '', <CoreWSExternalFile[]>files);
+        let text = CoreTextUtils.restorePluginfileUrls(inputData[fieldName] || '', <CoreWSFile[]> files);
         // Add some HTML to the text if needed.
         text = CoreTextUtils.formatHtmlLines(text);
 
@@ -83,7 +83,7 @@ export class AddonModDataFieldTextareaHandlerService extends AddonModDataFieldTe
         field: AddonModDataField,
         inputData: CoreFormFields,
         originalFieldData: AddonModDataEntryField,
-    ): (CoreWSExternalFile | FileEntry)[] {
+    ): CoreFileEntry[] {
         return (originalFieldData && originalFieldData.files) || [];
     }
 
@@ -116,7 +116,7 @@ export class AddonModDataFieldTextareaHandlerService extends AddonModDataFieldTe
             // Take the original files since we cannot edit them on the app.
             originalContent.content = CoreTextUtils.replacePluginfileUrls(
                 originalContent.content,
-                <CoreWSExternalFile[]>originalContent.files,
+                <CoreWSFile[]> originalContent.files,
             );
         }
 

src/addons/mod/data/services/data-fields-delegate.ts

@@ -22,8 +22,8 @@ import { AddonModDataEntryField,
     AddonModDataSubfieldData,
 } from './data';
 import { CoreFormFields } from '@singletons/form';
-import { CoreWSExternalFile } from '@services/ws';
-import { FileEntry } from '@ionic-native/file';
+import { FileEntry } from '@ionic-native/file/ngx';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Interface that all fields handlers must implement.
@@ -94,7 +94,7 @@ export interface AddonModDataFieldHandler extends CoreDelegateHandler {
         field: AddonModDataField,
         inputData: CoreFormFields,
         originalFieldData: AddonModDataEntryField,
-    ): (CoreWSExternalFile | FileEntry)[];
+    ): CoreFileEntry[];
 
     /**
      * Check and get field requeriments.
@@ -183,7 +183,7 @@ export class AddonModDataFieldsDelegateService extends CoreDelegate<AddonModData
         field: AddonModDataField,
         inputData: CoreFormFields,
         originalFieldData: CoreFormFields,
-    ): (CoreWSExternalFile | FileEntry)[] {
+    ): CoreFileEntry[] {
         return this.executeFunctionOnEnabled(field.type, 'getFieldEditFiles', [field, inputData, originalFieldData]) || [];
     }
 

src/addons/mod/data/services/data-helper.ts

@@ -17,13 +17,12 @@ import { Injectable } from '@angular/core';
 import { CoreCourse } from '@features/course/services/course';
 import { CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
 import { CoreRatingOffline } from '@features/rating/services/rating-offline';
-import { FileEntry } from '@ionic-native/file';
+import { FileEntry } from '@ionic-native/file/ngx';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreFormFields } from '@singletons/form';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import {
@@ -44,6 +43,7 @@ import {
 } from './data';
 import { AddonModDataFieldsDelegate } from './data-fields-delegate';
 import { AddonModDataOffline, AddonModDataOfflineAction } from './data-offline';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Service that provides helper functions for datas.
@@ -605,7 +605,7 @@ export class AddonModDataHelperProvider {
         inputData: CoreFormFields,
         fields: AddonModDataField[],
         entryContents: AddonModDataEntryFields,
-    ): Promise<(CoreWSExternalFile | FileEntry)[]> {
+    ): Promise<CoreFileEntry[]> {
         if (!inputData) {
             return [];
         }
@@ -745,7 +745,7 @@ export class AddonModDataHelperProvider {
         dataId: number,
         entryId: number,
         fieldId: number,
-        files: (CoreWSExternalFile | FileEntry)[],
+        files: CoreFileEntry[],
         siteId?: string,
     ): Promise<CoreFileUploaderStoreFilesResult> {
         // Get the folder where to store the files.
@@ -771,7 +771,7 @@ export class AddonModDataHelperProvider {
         itemId: number = 0,
         entryId: number,
         fieldId: number,
-        files: (CoreWSExternalFile | FileEntry)[],
+        files: CoreFileEntry[],
         offline: boolean,
         siteId?: string,
     ): Promise<number | CoreFileUploaderStoreFilesResult> {

src/addons/mod/data/services/data-sync.ts

@@ -21,13 +21,12 @@ import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
 import { CoreRatingSync } from '@features/rating/services/rating-sync';
-import { FileEntry } from '@ionic-native/file';
 import { CoreApp } from '@services/app';
+import { CoreFileEntry } from '@services/file-helper';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSync } from '@services/sync';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
 import { Translate, makeSingleton } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { AddonModDataProvider, AddonModData, AddonModDataData, AddonModDataAction } from './data';
@@ -348,7 +347,7 @@ export class AddonModDataSyncProvider extends CoreCourseActivitySyncBaseProvider
                     // Upload Files if asked.
                     const value = CoreTextUtils.parseJSON<CoreFileUploaderStoreFilesResult>(field.value || '');
                     if (value.online || value.offline) {
-                        let files: (CoreWSExternalFile | FileEntry)[] = value.online || [];
+                        let files: CoreFileEntry[] = value.online || [];
 
                         const offlineFiles = value.offline
                             ? await AddonModDataHelper.getStoredFiles(editAction.dataid, entryId, field.fieldid)

src/addons/mod/data/services/data.ts

@@ -19,8 +19,8 @@ import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreRatingInfo } from '@features/rating/services/rating';
 import { CoreTagItem } from '@features/tag/services/tag';
-import { FileEntry } from '@ionic-native/file';
 import { CoreApp } from '@services/app';
+import { CoreFileEntry } from '@services/file-helper';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -1151,7 +1151,7 @@ export type AddonModDataEntryField = {
     content2: string; // Contents.
     content3: string; // Contents.
     content4: string; // Contents.
-    files: (CoreWSExternalFile | FileEntry)[];
+    files: CoreFileEntry[];
 };
 
 /**
@@ -1180,7 +1180,7 @@ export type AddonModDataSubfieldData = {
     fieldid: number;
     subfield?: string;
     value?: unknown; // Value encoded in JSON.
-    files?: (CoreWSExternalFile | FileEntry)[];
+    files?: CoreFileEntry[];
 };
 
 /**

src/addons/mod/data/services/handlers/default-field.ts

@@ -11,9 +11,9 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 import { Injectable } from '@angular/core';
-import { FileEntry } from '@ionic-native/file';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreFileEntry } from '@services/file-helper';
 import { AddonModDataEntryField, AddonModDataSearchEntriesAdvancedFieldFormatted, AddonModDataSubfieldData } from '../data';
 import { AddonModDataFieldHandler } from '../data-fields-delegate';
 
@@ -50,7 +50,7 @@ export class AddonModDataDefaultFieldHandler implements AddonModDataFieldHandler
     /**
      * @inheritdoc
      */
-    getFieldEditFiles(): (CoreWSExternalFile | FileEntry)[] {
+    getFieldEditFiles(): CoreFileEntry[] {
         return [];
     }
 

src/addons/mod/data/services/handlers/prefetch.ts

@@ -21,7 +21,7 @@ import { CoreGroup, CoreGroups } from '@services/groups';
 import { CoreSitesCommonWSOptions, CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModDataProvider, AddonModDataEntry, AddonModData, AddonModDataData } from '../data';
 import { AddonModDataSync, AddonModDataSyncResult } from '../data-sync';
@@ -82,10 +82,10 @@ export class AddonModDataPrefetchHandlerService extends CoreCourseActivityPrefet
         courseId: number,
         omitFail: boolean,
         options: CoreCourseCommonModWSOptions = {},
-    ): Promise<{ database: AddonModDataData; groups: CoreGroup[]; entries: AddonModDataEntry[]; files: CoreWSExternalFile[]}> {
+    ): Promise<{ database: AddonModDataData; groups: CoreGroup[]; entries: AddonModDataEntry[]; files: CoreWSFile[]}> {
         let groups: CoreGroup[] = [];
         let entries: AddonModDataEntry[] = [];
-        let files: CoreWSExternalFile[] = [];
+        let files: CoreWSFile[] = [];
 
         options.cmId = options.cmId || module.id;
         options.siteId = options.siteId || CoreSites.getCurrentSiteId();
@@ -131,12 +131,12 @@ export class AddonModDataPrefetchHandlerService extends CoreCourseActivityPrefet
      * @param entries List of entries to get files from.
      * @return List of files.
      */
-    protected getEntriesFiles(entries: AddonModDataEntry[]): CoreWSExternalFile[] {
-        let files: CoreWSExternalFile[] = [];
+    protected getEntriesFiles(entries: AddonModDataEntry[]): CoreWSFile[] {
+        let files: CoreWSFile[] = [];
 
         entries.forEach((entry) => {
             CoreUtils.objectToArray(entry.contents).forEach((content) => {
-                files = files.concat(<CoreWSExternalFile[]>content.files);
+                files = files.concat(<CoreWSFile[]>content.files);
             });
         });
 
@@ -146,14 +146,14 @@ export class AddonModDataPrefetchHandlerService extends CoreCourseActivityPrefet
     /**
      * @inheritdoc
      */
-    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         return this.getDatabaseInfoHelper(module, courseId, true).then((info) => info.files);
     }
 
     /**
      * @inheritdoc
      */
-    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         const data = await CoreUtils.ignoreErrors(AddonModData.getDatabase(courseId, module.id));
 
         return this.getIntroFilesFromInstance(module, data);

src/addons/mod/feedback/components/components.module.ts

@@ -0,0 +1,34 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CoreSharedModule } from '@/core/shared.module';
+import { NgModule } from '@angular/core';
+import { CoreCourseComponentsModule } from '@features/course/components/components.module';
+import { AddonModFeedbackIndexComponent } from './index/index';
+
+@NgModule({
+    declarations: [
+        AddonModFeedbackIndexComponent,
+    ],
+    imports: [
+        CoreSharedModule,
+        CoreCourseComponentsModule,
+    ],
+    providers: [
+    ],
+    exports: [
+        AddonModFeedbackIndexComponent,
+    ],
+})
+export class AddonModFeedbackComponentsModule {}

src/addons/mod/feedback/components/index/addon-mod-feedback-index.html

@@ -0,0 +1,230 @@
+<!-- Buttons to add to the header. -->
+<core-navbar-buttons slot="end">
+    <core-context-menu>
+        <core-context-menu-item *ngIf="externalUrl" [priority]="900" [content]="'core.openinbrowser' | translate"
+            [href]="externalUrl" iconAction="fas-external-link-alt">
+        </core-context-menu-item>
+        <core-context-menu-item *ngIf="description" [priority]="800" [content]="'core.moduleintro' | translate"
+            (action)="expandDescription()" iconAction="fas-arrow-right">
+        </core-context-menu-item>
+        <core-context-menu-item *ngIf="blog" [priority]="750" content="{{'addon.blog.blog' | translate}}"
+            iconAction="far-newspaper" (action)="gotoBlog()">
+        </core-context-menu-item>
+        <core-context-menu-item *ngIf="loaded && !hasOffline && isOnline" [priority]="700" [content]="'core.refresh' | translate"
+            (action)="doRefresh(null, $event)" [iconAction]="refreshIcon" [closeOnClick]="false">
+        </core-context-menu-item>
+        <core-context-menu-item *ngIf="loaded && hasOffline && isOnline"  [priority]="600" (action)="doRefresh(null, $event, true)"
+            [content]="'core.settings.synchronizenow' | translate" [iconAction]="syncIcon" [closeOnClick]="false">
+        </core-context-menu-item>
+        <core-context-menu-item *ngIf="prefetchStatusIcon" [priority]="500" [content]="prefetchText" (action)="prefetch($event)"
+            [iconAction]="prefetchStatusIcon" [closeOnClick]="false">
+        </core-context-menu-item>
+        <core-context-menu-item *ngIf="size" [priority]="400" [content]="'core.clearstoreddata' | translate:{$a: size}"
+            iconDescription="fas-archive" (action)="removeFiles($event)" iconAction="fas-trash" [closeOnClick]="false">
+        </core-context-menu-item>
+    </core-context-menu>
+</core-navbar-buttons>
+
+<!-- Content. -->
+<core-loading [hideUntil]="loaded" class="core-loading-center">
+
+    <core-course-module-description [description]="description" [component]="component" [componentId]="componentId"
+        contextLevel="module" [contextInstanceId]="module.id" [courseId]="courseId">
+    </core-course-module-description>
+
+    <core-tabs [hideUntil]="tabsReady" [selectedIndex]="firstSelectedTab">
+        <core-tab [title]="'addon.mod_feedback.overview' | translate" id="overview" (ionSelect)="tabChanged('overview')">
+            <ng-template>
+                <ng-container *ngTemplateOutlet="tabOverview"></ng-container>
+            </ng-template>
+        </core-tab>
+        <core-tab *ngIf="showAnalysis && access && access.canviewreports" id="analysis"
+            [title]="'addon.mod_feedback.analysis' | translate" (ionSelect)="tabChanged('analysis')">
+            <ng-template>
+                <ng-container *ngTemplateOutlet="tabAnalysis"></ng-container>
+            </ng-template>
+        </core-tab>
+
+        <core-tab *ngIf="showAnalysis && access && !access.canviewreports" id="analysis"
+            [title]="'addon.mod_feedback.completed_feedbacks' | translate" (ionSelect)="tabChanged('analysis')">
+            <ng-template>
+                <ng-container *ngTemplateOutlet="tabAnalysis"></ng-container>
+            </ng-template>
+        </core-tab>
+    </core-tabs>
+</core-loading>
+
+<ng-template #basicInfo>
+    <ion-list *ngIf="access && access.canviewanalysis && !access.isempty">
+        <ion-item class="ion-text-wrap" *ngIf="groupInfo && (groupInfo.separateGroups || groupInfo.visibleGroups)">
+            <ion-label id="addon-feedback-groupslabel">
+                <ng-container *ngIf="groupInfo.separateGroups">{{'core.groupsseparate' | translate }}</ng-container>
+                <ng-container *ngIf="groupInfo.visibleGroups">{{'core.groupsvisible' | translate }}</ng-container>
+            </ion-label>
+            <ion-select [(ngModel)]="group" (ionChange)="setGroup(group)" aria-labelledby="addon-feedback-groupslabel"
+                interface="action-sheet">
+                <ion-select-option *ngFor="let groupOpt of groupInfo.groups" [value]="groupOpt.id">
+                    {{groupOpt.name}}
+                </ion-select-option>
+            </ion-select>
+        </ion-item>
+        <ion-item class="ion-text-wrap" (click)="openRespondents()" [detail]="access.canviewreports && completedCount > 0">
+            <ion-label>
+                <h2>{{ 'addon.mod_feedback.completed_feedbacks' | translate }}</h2>
+            </ion-label>
+            <ion-badge slot="end">{{completedCount}}</ion-badge>
+        </ion-item>
+        <ion-item class="ion-text-wrap" *ngIf="!access.isanonymous && access.canviewreports" (click)="openNonRespondents()"
+            detail="true" tappable="true">
+            <ion-label>
+                <h2>{{ 'addon.mod_feedback.show_nonrespondents' | translate }}</h2>
+            </ion-label>
+        </ion-item>
+        <ion-item class="ion-text-wrap">
+            <ion-label>
+                <h2>{{ 'addon.mod_feedback.questions' | translate }}</h2>
+            </ion-label>
+            <ion-badge slot="end">{{itemsCount}}</ion-badge>
+        </ion-item>
+    </ion-list>
+</ng-template>
+
+<!-- Template to render the overview. -->
+<ng-template #tabOverview>
+    <core-loading [hideUntil]="tabsLoaded.overview">
+        <ng-container *ngTemplateOutlet="basicInfo"></ng-container>
+
+        <!-- Feedback done in offline but not synchronized -->
+        <ion-card class="core-warning-card" *ngIf="hasOffline">
+            <ion-item>
+                <ion-icon name="fas-exclamation-triangle" slot="start"></ion-icon>
+                <ion-label>{{ 'core.hasdatatosync' | translate:{$a: moduleName} }}</ion-label>
+            </ion-item>
+        </ion-card>
+
+        <ion-card class="core-info-card" *ngIf="access && access.cancomplete && !access.isopen">
+            <ion-item>
+                <ion-icon name="fas-question-circle" slot="start"></ion-icon>
+                <ion-label>{{ 'addon.mod_feedback.feedback_is_not_open' | translate }}</ion-label>
+            </ion-item>
+        </ion-card>
+
+        <ion-card class="core-success-card" *ngIf="access && access.cancomplete && access.isopen && !access.cansubmit">
+            <ion-item>
+                <ion-icon name="fas-check" slot="start"></ion-icon>
+                <ion-label>{{ 'addon.mod_feedback.this_feedback_is_already_submitted' | translate }}</ion-label>
+            </ion-item>
+        </ion-card>
+
+        <ion-list *ngIf="access && (access.canedititems || access.canviewreports || !access.isempty)">
+            <ion-item class="ion-text-wrap" *ngIf="access.canedititems && overview.timeopen">
+                <ion-label>
+                    <h2>{{ 'addon.mod_feedback.feedbackopen' | translate }}</h2>
+                    <p>{{overview.openTimeReadable}}</p>
+                </ion-label>
+            </ion-item>
+            <ion-item class="ion-text-wrap" *ngIf="access.canedititems && overview.timeclose">
+                <ion-label>
+                    <h2>{{ 'addon.mod_feedback.feedbackclose' | translate }}</h2>
+                    <p>{{overview.closeTimeReadable}}</p>
+                </ion-label>
+            </ion-item>
+            <ion-item class="ion-text-wrap" *ngIf="access.canedititems && feedback && feedback.page_after_submit">
+                <ion-label>
+                    <h2>{{ 'addon.mod_feedback.page_after_submit' | translate }}</h2>
+                    <core-format-text [component]="component" [componentId]="componentId" [text]="feedback.page_after_submit"
+                        contextLevel="module" [contextInstanceId]="module.id" [courseId]="courseId">
+                    </core-format-text>
+                </ion-label>
+            </ion-item>
+            <ng-container *ngIf="!access.isempty">
+                <ion-item class="ion-text-wrap">
+                    <ion-label>
+                        <h2>{{ 'addon.mod_feedback.mode' | translate }}</h2>
+                        <p *ngIf="access.isanonymous">{{ 'addon.mod_feedback.anonymous' | translate }}</p>
+                        <p *ngIf="!access.isanonymous">{{ 'addon.mod_feedback.non_anonymous' | translate }}</p>
+                    </ion-label>
+                </ion-item>
+                <ion-grid>
+                    <ion-row class="ion-align-items-center">
+                        <ion-col>
+                            <ion-button expand="block" fill="outline" (click)="gotoAnswerQuestions(true)" class="ion-text-wrap">
+                                <ion-icon name="fas-search" slot="start"></ion-icon>
+                                {{ 'addon.mod_feedback.preview' | translate }}
+                            </ion-button>
+                        </ion-col>
+                        <ion-col *ngIf="access.cancomplete && access.cansubmit && access.isopen">
+                            <ion-button expand="block" (click)="gotoAnswerQuestions()" class="ion-text-wrap">
+                                <ng-container *ngIf="!goPage">
+                                    {{ 'addon.mod_feedback.complete_the_form' | translate }}
+                                </ng-container>
+                                <ng-container *ngIf="goPage">
+                                    {{ 'addon.mod_feedback.continue_the_form' | translate }}
+                                </ng-container>
+                                <ion-icon name="fas-chevron-right" slot="end"></ion-icon>
+                            </ion-button>
+                        </ion-col>
+                    </ion-row>
+                </ion-grid>
+
+            </ng-container>
+        </ion-list>
+    </core-loading>
+</ng-template>
+
+<!-- Template to render the analysis. -->
+<ng-template #tabAnalysis>
+    <core-loading [hideUntil]="tabsLoaded.analysis">
+        <ng-container *ngTemplateOutlet="basicInfo"></ng-container>
+
+        <ng-container *ngIf="access && (access.canedititems || !access.isempty)">
+            <ion-card class="core-info-card" *ngIf="warning">
+                <ion-item>
+                    <ion-icon name="fas-question-circle" slot="start"></ion-icon>
+                    <ion-label>{{ warning }}</ion-label>
+                </ion-item>
+            </ion-card>
+
+            <ion-list *ngIf="items && items.length">
+                <ion-item class="ion-text-wrap core-analysis" *ngFor="let item of items">
+                    <ion-label>
+                        <h2>
+                            {{item.num}}. <core-format-text [component]="component" [componentId]="componentId" [text]="item.name"
+                            contextLevel="module" [contextInstanceId]="module.id" [courseId]="courseId">
+                            </core-format-text>
+                        </h2>
+                        <p>
+                            <core-format-text [component]="component" [componentId]="componentId" [text]="item.label"
+                                contextLevel="module" [contextInstanceId]="module.id" [courseId]="courseId">
+                            </core-format-text>
+                        </p>
+                        <ng-container [ngSwitch]="item.templateName">
+                            <ng-container *ngSwitchCase="'numeric'">
+                                <ul>
+                                    <li *ngFor="let data of item.data">{{ data }}</li>
+                                </ul>
+                                <p>{{ 'addon.mod_feedback.average' | translate }}: {{item.average | number : '1.2-2'}}</p>
+                            </ng-container>
+                            <ng-container *ngSwitchCase="'list'">
+                                <ul>
+                                    <ng-container *ngFor="let data of item.data">
+                                        <li *ngIf="data">{{ data }}</li>
+                                    </ng-container>
+                                </ul>
+                            </ng-container>
+                            <ng-container *ngSwitchCase="'chart'">
+                                <core-chart [type]="item.chartType" [data]="item.chartData" [labels]="item.labels" height="300"
+                                    contextLevel="module" [contextInstanceId]="module.id" [wsNotFiltered]="true"
+                                    [courseId]="courseId">
+                                </core-chart>
+                                <p *ngIf="item.average">
+                                    {{ 'addon.mod_feedback.average' | translate }}: {{item.average | number : '1.2-2'}}
+                                </p>
+                            </ng-container>
+                        </ng-container>
+                    </ion-label>
+                </ion-item>
+            </ion-list>
+        </ng-container>
+    </core-loading>
+</ng-template>

src/addons/mod/feedback/components/index/index.ts

@@ -0,0 +1,503 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, Input, Optional, ViewChild, OnInit, OnDestroy } from '@angular/core';
+import { CoreTabsComponent } from '@components/tabs/tabs';
+import { CoreCourseModuleMainActivityComponent } from '@features/course/classes/main-activity-component';
+import { CoreCourseContentsPage } from '@features/course/pages/contents/contents';
+import { IonContent } from '@ionic/angular';
+import { CoreGroupInfo, CoreGroups } from '@services/groups';
+import { CoreNavigator } from '@services/navigator';
+import { CoreTextUtils } from '@services/utils/text';
+import { CoreTimeUtils } from '@services/utils/time';
+import { CoreUtils } from '@services/utils/utils';
+import { CoreEventObserver, CoreEvents } from '@singletons/events';
+import {
+    AddonModFeedback,
+    AddonModFeedbackGetFeedbackAccessInformationWSResponse,
+    AddonModFeedbackProvider,
+    AddonModFeedbackWSFeedback,
+    AddonModFeedbackWSItem,
+} from '../../services/feedback';
+import { AddonModFeedbackOffline } from '../../services/feedback-offline';
+import {
+    AddonModFeedbackAutoSyncData,
+    AddonModFeedbackSync,
+    AddonModFeedbackSyncProvider,
+    AddonModFeedbackSyncResult,
+} from '../../services/feedback-sync';
+import { AddonModFeedbackModuleHandlerService } from '../../services/handlers/module';
+import { AddonModFeedbackPrefetchHandler } from '../../services/handlers/prefetch';
+
+/**
+ * Component that displays a feedback index page.
+ */
+@Component({
+    selector: 'addon-mod-feedback-index',
+    templateUrl: 'addon-mod-feedback-index.html',
+})
+export class AddonModFeedbackIndexComponent extends CoreCourseModuleMainActivityComponent implements OnInit, OnDestroy {
+
+    @ViewChild(CoreTabsComponent) tabsComponent?: CoreTabsComponent;
+
+    @Input() tab = 'overview';
+    @Input() group = 0;
+
+    component = AddonModFeedbackProvider.COMPONENT;
+    moduleName = 'feedback';
+    feedback?: AddonModFeedbackWSFeedback;
+    goPage?: number;
+    items: AddonModFeedbackItem[] = [];
+    warning?: string;
+    showAnalysis = false;
+    tabsReady = false;
+    firstSelectedTab?: number;
+    access?: AddonModFeedbackGetFeedbackAccessInformationWSResponse;
+    completedCount = 0;
+    itemsCount = 0;
+    groupInfo?: CoreGroupInfo;
+
+    overview = {
+        timeopen: 0,
+        openTimeReadable: '',
+        timeclose: 0,
+        closeTimeReadable: '',
+    };
+
+    tabsLoaded = {
+        overview: false,
+        analysis: false,
+    };
+
+    protected submitObserver: CoreEventObserver;
+    protected syncEventName = AddonModFeedbackSyncProvider.AUTO_SYNCED;
+
+    constructor(
+        protected content?: IonContent,
+        @Optional() courseContentsPage?: CoreCourseContentsPage,
+    ) {
+        super('AddonModLessonIndexComponent', content, courseContentsPage);
+
+        // Listen for form submit events.
+        this.submitObserver = CoreEvents.on(AddonModFeedbackProvider.FORM_SUBMITTED, async (data) => {
+            if (!this.feedback || data.feedbackId != this.feedback.id) {
+                return;
+            }
+
+            this.tabsLoaded.analysis = false;
+            this.tabsLoaded.overview = false;
+            this.loaded = false;
+
+            // Prefetch data if needed.
+            if (!data.offline && this.isPrefetched()) {
+                await CoreUtils.ignoreErrors(AddonModFeedbackSync.prefetchAfterUpdate(
+                    AddonModFeedbackPrefetchHandler.instance,
+                    this.module,
+                    this.courseId,
+                ));
+            }
+
+            // Load the right tab.
+            if (data.tab != this.tab) {
+                this.tabChanged(data.tab);
+            } else {
+                this.loadContent(true);
+            }
+        }, this.siteId);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async ngOnInit(): Promise<void> {
+        super.ngOnInit();
+
+        try {
+            await this.loadContent(false, true);
+
+            if (this.feedback) {
+                CoreUtils.ignoreErrors(AddonModFeedback.logView(this.feedback.id, this.feedback.name));
+            }
+        } finally {
+            this.tabsReady = true;
+        }
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected async invalidateContent(): Promise<void> {
+        const promises: Promise<void>[] = [];
+
+        promises.push(AddonModFeedback.invalidateFeedbackData(this.courseId));
+        if (this.feedback) {
+            promises.push(AddonModFeedback.invalidateFeedbackAccessInformationData(this.feedback.id));
+            promises.push(AddonModFeedback.invalidateAnalysisData(this.feedback.id));
+            promises.push(CoreGroups.invalidateActivityAllowedGroups(this.feedback.coursemodule));
+            promises.push(CoreGroups.invalidateActivityGroupMode(this.feedback.coursemodule));
+            promises.push(AddonModFeedback.invalidateResumePageData(this.feedback.id));
+        }
+
+        this.tabsLoaded.analysis = false;
+        this.tabsLoaded.overview = false;
+
+        await Promise.all(promises);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected isRefreshSyncNeeded(syncEventData: AddonModFeedbackAutoSyncData): boolean {
+        if (this.feedback && syncEventData.feedbackId == this.feedback.id) {
+            // Refresh the data.
+            this.content?.scrollToTop();
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected async fetchContent(refresh: boolean = false, sync: boolean = false, showErrors: boolean = false): Promise<void> {
+        try {
+            this.feedback = await AddonModFeedback.getFeedback(this.courseId, this.module.id);
+
+            this.description = this.feedback.intro;
+            this.dataRetrieved.emit(this.feedback);
+
+            if (sync) {
+                // Try to synchronize the feedback.
+                await this.syncActivity(showErrors);
+            }
+
+            // Check if there are answers stored in offline.
+            this.access = await AddonModFeedback.getFeedbackAccessInformation(this.feedback.id, { cmId: this.module.id });
+
+            this.showAnalysis = (this.access.canviewreports || this.access.canviewanalysis) && !this.access.isempty;
+            this.firstSelectedTab = 0;
+            if (!this.showAnalysis) {
+                this.tab = 'overview';
+            }
+
+            if (this.tab == 'analysis') {
+                this.firstSelectedTab = 1;
+
+                return await this.fetchFeedbackAnalysisData();
+            }
+
+            await this.fetchFeedbackOverviewData();
+        } finally {
+            // Now fill the context menu.
+            this.fillContextMenu(refresh);
+
+            if (this.feedback) {
+                // Check if there are responses stored in offline.
+                this.hasOffline = await AddonModFeedbackOffline.hasFeedbackOfflineData(this.feedback.id);
+            }
+
+            if (this.tabsReady) {
+                // Make sure the right tab is selected.
+                this.tabsComponent?.selectTab(this.tab || 'overview');
+            }
+        }
+    }
+
+    /**
+     * Convenience function to get feedback overview data.
+     *
+     * @return Resolved when done.
+     */
+    protected async fetchFeedbackOverviewData(): Promise<void> {
+        const promises: Promise<void>[] = [];
+
+        if (this.access!.cancomplete && this.access!.cansubmit && this.access!.isopen) {
+            promises.push(AddonModFeedback.getResumePage(this.feedback!.id, { cmId: this.module.id }).then((goPage) => {
+                this.goPage = goPage > 0 ? goPage : undefined;
+
+                return;
+            }));
+        }
+
+        if (this.access!.canedititems) {
+            this.overview.timeopen = (this.feedback!.timeopen || 0) * 1000;
+            this.overview.openTimeReadable = this.overview.timeopen ? CoreTimeUtils.userDate(this.overview.timeopen) : '';
+            this.overview.timeclose = (this.feedback!.timeclose || 0) * 1000;
+            this.overview.closeTimeReadable = this.overview.timeclose ? CoreTimeUtils.userDate(this.overview.timeclose) : '';
+        }
+        if (this.access!.canviewanalysis) {
+            // Get groups (only for teachers).
+            promises.push(this.fetchGroupInfo(this.module.id));
+        }
+
+        try {
+            await Promise.all(promises);
+        } finally {
+            this.tabsLoaded.overview = true;
+        }
+    }
+
+    /**
+     * Convenience function to get feedback analysis data.
+     *
+     * @param accessData Retrieved access data.
+     * @return Resolved when done.
+     */
+    protected async fetchFeedbackAnalysisData(): Promise<void> {
+        try {
+            if (this.access!.canviewanalysis) {
+                // Get groups (only for teachers).
+                await this.fetchGroupInfo(this.module.id);
+            } else {
+                this.tabChanged('overview');
+            }
+
+        } finally {
+            this.tabsLoaded.analysis = true;
+        }
+    }
+
+    /**
+     * Fetch Group info data.
+     *
+     * @param cmId Course module ID.
+     * @return Resolved when done.
+     */
+    protected async fetchGroupInfo(cmId: number): Promise<void> {
+        this.groupInfo = await CoreGroups.getActivityGroupInfo(cmId);
+
+        await this.setGroup(CoreGroups.validateGroupId(this.group, this.groupInfo));
+    }
+
+    /**
+     * Parse the analysis info to show the info correctly formatted.
+     *
+     * @param item Item to parse.
+     * @return Parsed item.
+     */
+    protected parseAnalysisInfo(item: AddonModFeedbackItem): AddonModFeedbackItem {
+        switch (item.typ) {
+            case 'numeric':
+                item.average = item.data.reduce((prev, current) => prev + Number(current), 0) / item.data.length;
+                item.templateName = 'numeric';
+                break;
+
+            case 'info':
+                item.data = <string[]> item.data.map((dataItem) => {
+                    const parsed = <Record<string, string>> CoreTextUtils.parseJSON(dataItem);
+
+                    return typeof parsed.show != 'undefined' ? parsed.show : false;
+                }).filter((dataItem) => dataItem); // Filter false entries.
+
+            case 'textfield':
+            case 'textarea':
+                item.templateName = 'list';
+                break;
+
+            case 'multichoicerated':
+            case 'multichoice': {
+                const parsedData = <Record<string, string | number>[]> item.data.map((dataItem) => {
+                    const parsed = <Record<string, string | number>> CoreTextUtils.parseJSON(dataItem);
+
+                    return typeof parsed.answertext != 'undefined' ? parsed : false;
+                }).filter((dataItem) => dataItem); // Filter false entries.
+
+                // Format labels.
+                item.labels = parsedData.map((dataItem) => {
+                    dataItem.quotient = (<number> dataItem.quotient * 100).toFixed(2);
+                    let label = '';
+
+                    if (typeof dataItem.value != 'undefined') {
+                        label = '(' + dataItem.value + ') ';
+                    }
+                    label += dataItem.answertext;
+                    label += Number(dataItem.quotient) > 0 ? ' (' + dataItem.quotient + '%)' : '';
+
+                    return label;
+                });
+
+                item.chartData = parsedData.map((dataItem) => <number> dataItem.answercount);
+
+                if (item.typ == 'multichoicerated') {
+                    item.average = parsedData.reduce((prev, current) => prev + Number(current.avg), 0.0);
+                }
+
+                const subtype = item.presentation.charAt(0);
+
+                const single = subtype != 'c';
+                item.chartType = single ? 'doughnut' : 'bar';
+                item.templateName = 'chart';
+                break;
+            }
+
+            default:
+                break;
+        }
+
+        return item;
+    }
+
+    /**
+     * Function to go to the questions form.
+     *
+     * @param preview Preview or edit the form.
+     */
+    gotoAnswerQuestions(preview: boolean = false): void {
+        CoreNavigator.navigateToSitePath(
+            AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${this.courseId}/${this.module.id}/form`,
+            {
+                params: {
+                    preview,
+                },
+            },
+        );
+    }
+
+    /**
+     * User entered the page that contains the component.
+     */
+    ionViewDidEnter(): void {
+        super.ionViewDidEnter();
+
+        this.tabsComponent?.ionViewDidEnter();
+    }
+
+    /**
+     * User left the page that contains the component.
+     */
+    ionViewDidLeave(): void {
+        super.ionViewDidLeave();
+
+        this.tabsComponent?.ionViewDidLeave();
+    }
+
+    /**
+     * Open non respondents page.
+     */
+    openNonRespondents(): void {
+        CoreNavigator.navigateToSitePath(
+            AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${this.courseId}/${this.module.id}/nonrespondents`,
+            {
+                params: {
+                    group: this.group,
+                },
+            },
+        );
+    }
+
+    /**
+     * Open respondents page.
+     */
+    openRespondents(): void {
+        if (!this.access!.canviewreports || this.completedCount <= 0) {
+            return;
+        }
+
+        CoreNavigator.navigateToSitePath(
+            AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${this.courseId}/${this.module.id}/respondents`,
+            {
+                params: {
+                    group: this.group,
+                },
+            },
+        );
+    }
+
+    /**
+     * Tab changed, fetch content again.
+     *
+     * @param tabName New tab name.
+     */
+    tabChanged(tabName: string): void {
+        this.tab = tabName;
+
+        if (!this.tabsLoaded[this.tab]) {
+            this.loadContent(false, false, true);
+        }
+    }
+
+    /**
+     * Set group to see the analysis.
+     *
+     * @param groupId Group ID.
+     * @return Resolved when done.
+     */
+    async setGroup(groupId: number): Promise<void> {
+        this.group = groupId;
+
+        const analysis = await AddonModFeedback.getAnalysis(this.feedback!.id, { groupId, cmId: this.module.id });
+
+        this.completedCount = analysis.completedcount;
+        this.itemsCount = analysis.itemscount;
+
+        if (this.tab == 'analysis') {
+            let num = 1;
+
+            this.items = <AddonModFeedbackItem[]> analysis.itemsdata.map((itemData) => {
+                const item: AddonModFeedbackItem = Object.assign(itemData.item, {
+                    data: itemData.data,
+                    num: num++,
+                });
+
+                // Move data inside item.
+                if (item.data && item.data.length) {
+                    return this.parseAnalysisInfo(item);
+                }
+
+                return false;
+            }).filter((item) => item);
+
+            this.warning = '';
+            if (analysis.warnings?.length) {
+                const warning = analysis.warnings.find((warning) => warning.warningcode == 'insufficientresponsesforthisgroup');
+                this.warning = warning?.message;
+            }
+        }
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected sync(): Promise<AddonModFeedbackSyncResult> {
+        return AddonModFeedbackSync.syncFeedback(this.feedback!.id);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected hasSyncSucceed(result: AddonModFeedbackSyncResult): boolean {
+        return result.updated;
+    }
+
+    /**
+     * Component being destroyed.
+     */
+    ngOnDestroy(): void {
+        super.ngOnDestroy();
+        this.submitObserver?.off();
+    }
+
+}
+
+type AddonModFeedbackItem = AddonModFeedbackWSItem & {
+    data: string[];
+    num: number;
+    templateName?: string;
+    average?: number;
+    labels?: string[];
+    chartData?: number[];
+    chartType?: string;
+};

src/addons/mod/feedback/feedback-lazy.module.ts

@@ -0,0 +1,82 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import { CoreSharedModule } from '@/core/shared.module';
+import { AddonModFeedbackComponentsModule } from './components/components.module';
+import { AddonModFeedbackIndexPage } from './pages/index/index';
+import { AddonModFeedbackRespondentsPage } from './pages/respondents/respondents';
+import { conditionalRoutes } from '@/app/app-routing.module';
+import { CoreScreen } from '@services/screen';
+
+const commonRoutes: Routes = [
+    {
+        path: ':courseId/:cmId',
+        component: AddonModFeedbackIndexPage,
+    },
+    {
+        path: ':courseId/:cmId/form',
+        loadChildren: () => import('./pages/form/form.module').then(m => m.AddonModFeedbackFormPageModule),
+    },
+    {
+        path: ':courseId/:cmId/nonrespondents',
+        loadChildren: () => import('./pages/nonrespondents/nonrespondents.module')
+            .then(m => m.AddonModFeedbackNonRespondentsPageModule),
+    },
+];
+
+const mobileRoutes: Routes = [
+    ...commonRoutes,
+    {
+        path: ':courseId/:cmId/respondents',
+        component: AddonModFeedbackRespondentsPage,
+    },
+    {
+        path: ':courseId/:cmId/attempt/:attemptId',
+        loadChildren: () => import('./pages/attempt/attempt.module').then(m => m.AddonModFeedbackAttemptPageModule),
+    },
+];
+
+const tabletRoutes: Routes = [
+    ...commonRoutes,
+    {
+        path: ':courseId/:cmId/respondents',
+        component: AddonModFeedbackRespondentsPage,
+        children: [
+            {
+                path: 'attempt/:attemptId',
+                loadChildren: () => import('./pages/attempt/attempt.module').then(m => m.AddonModFeedbackAttemptPageModule),
+            },
+        ],
+    },
+];
+
+const routes: Routes = [
+    ...conditionalRoutes(mobileRoutes, () => CoreScreen.isMobile),
+    ...conditionalRoutes(tabletRoutes, () => CoreScreen.isTablet),
+];
+
+@NgModule({
+    imports: [
+        RouterModule.forChild(routes),
+        CoreSharedModule,
+        AddonModFeedbackComponentsModule,
+    ],
+    declarations: [
+        AddonModFeedbackIndexPage,
+        AddonModFeedbackRespondentsPage,
+    ],
+})
+export class AddonModFeedbackLazyModule {}

src/addons/mod/feedback/feedback.module.ts

@@ -0,0 +1,87 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { APP_INITIALIZER, NgModule, Type } from '@angular/core';
+import { Routes } from '@angular/router';
+import { CoreContentLinksDelegate } from '@features/contentlinks/services/contentlinks-delegate';
+import { CoreCourseModuleDelegate } from '@features/course/services/module-delegate';
+import { CoreCourseModulePrefetchDelegate } from '@features/course/services/module-prefetch-delegate';
+import { CoreMainMenuTabRoutingModule } from '@features/mainmenu/mainmenu-tab-routing.module';
+import { CorePushNotificationsDelegate } from '@features/pushnotifications/services/push-delegate';
+import { CoreCronDelegate } from '@services/cron';
+import { CORE_SITE_SCHEMAS } from '@services/sites';
+import { AddonModFeedbackComponentsModule } from './components/components.module';
+import { OFFLINE_SITE_SCHEMA } from './services/database/feedback';
+import { AddonModFeedbackProvider } from './services/feedback';
+import { AddonModFeedbackHelperProvider } from './services/feedback-helper';
+import { AddonModFeedbackOfflineProvider } from './services/feedback-offline';
+import { AddonModFeedbackSyncProvider } from './services/feedback-sync';
+import { AddonModFeedbackAnalysisLinkHandler } from './services/handlers/analysis-link';
+import { AddonModFeedbackCompleteLinkHandler } from './services/handlers/complete-link';
+import { AddonModFeedbackIndexLinkHandler } from './services/handlers/index-link';
+import { AddonModFeedbackListLinkHandler } from './services/handlers/list-link';
+import { AddonModFeedbackModuleHandlerService, AddonModFeedbackModuleHandler } from './services/handlers/module';
+import { AddonModFeedbackPrefetchHandler } from './services/handlers/prefetch';
+import { AddonModFeedbackPrintLinkHandler } from './services/handlers/print-link';
+import { AddonModFeedbackPushClickHandler } from './services/handlers/push-click';
+import { AddonModFeedbackShowEntriesLinkHandler } from './services/handlers/show-entries-link';
+import { AddonModFeedbackShowNonRespondentsLinkHandler } from './services/handlers/show-non-respondents-link';
+import { AddonModFeedbackSyncCronHandler } from './services/handlers/sync-cron';
+
+export const ADDON_MOD_FEEDBACK_SERVICES: Type<unknown>[] = [
+    AddonModFeedbackProvider,
+    AddonModFeedbackOfflineProvider,
+    AddonModFeedbackHelperProvider,
+    AddonModFeedbackSyncProvider,
+];
+
+const routes: Routes = [
+    {
+        path: AddonModFeedbackModuleHandlerService.PAGE_NAME,
+        loadChildren: () => import('./feedback-lazy.module').then(m => m.AddonModFeedbackLazyModule),
+    },
+];
+
+@NgModule({
+    imports: [
+        CoreMainMenuTabRoutingModule.forChild(routes),
+        AddonModFeedbackComponentsModule,
+    ],
+    providers: [
+        {
+            provide: CORE_SITE_SCHEMAS,
+            useValue: [OFFLINE_SITE_SCHEMA],
+            multi: true,
+        },
+        {
+            provide: APP_INITIALIZER,
+            multi: true,
+            deps: [],
+            useFactory: () => () => {
+                CoreCourseModuleDelegate.registerHandler(AddonModFeedbackModuleHandler.instance);
+                CoreCourseModulePrefetchDelegate.registerHandler(AddonModFeedbackPrefetchHandler.instance);
+                CoreCronDelegate.register(AddonModFeedbackSyncCronHandler.instance);
+                CoreContentLinksDelegate.registerHandler(AddonModFeedbackIndexLinkHandler.instance);
+                CoreContentLinksDelegate.registerHandler(AddonModFeedbackListLinkHandler.instance);
+                CoreContentLinksDelegate.registerHandler(AddonModFeedbackAnalysisLinkHandler.instance);
+                CoreContentLinksDelegate.registerHandler(AddonModFeedbackCompleteLinkHandler.instance);
+                CoreContentLinksDelegate.registerHandler(AddonModFeedbackPrintLinkHandler.instance);
+                CoreContentLinksDelegate.registerHandler(AddonModFeedbackShowEntriesLinkHandler.instance);
+                CoreContentLinksDelegate.registerHandler(AddonModFeedbackShowNonRespondentsLinkHandler.instance);
+                CorePushNotificationsDelegate.registerClickHandler(AddonModFeedbackPushClickHandler.instance);
+            },
+        },
+    ],
+})
+export class AddonModFeedbackModule {}

src/addons/mod/feedback/lang.json

@@ -0,0 +1,38 @@
+{
+    "analysis": "Analysis",
+    "anonymous": "Anonymous",
+    "anonymous_entries": "Anonymous entries ({{$a}})",
+    "average": "Average",
+    "captchaofflinewarning": "Feedback with CAPTCHA cannot be completed offline, or if not configured, or if the server is down.",
+    "complete_the_form": "Answer the questions",
+    "completed_feedbacks": "Submitted answers",
+    "continue_the_form": "Continue answering the questions",
+    "feedback_is_not_open": "The feedback is not open",
+    "feedback_submitted_offline": "This feedback has been saved to be submitted later.",
+    "feedbackclose": "Allow answers to",
+    "feedbackopen": "Allow answers from",
+    "mapcourses": "Map feedback to courses",
+    "maximal": "Maximum",
+    "minimal": "Minimum",
+    "mode": "Mode",
+    "modulenameplural": "Feedback",
+    "next_page": "Next page",
+    "non_anonymous": "User's name will be logged and shown with answers",
+    "non_anonymous_entries": "Non anonymous entries ({{$a}})",
+    "non_respondents_students": "Non-respondent students ({{$a}})",
+    "not_selected": "Not selected",
+    "not_started": "Not started",
+    "numberoutofrange": "Number out of range",
+    "overview": "Overview",
+    "page_after_submit": "Completion message",
+    "preview": "Preview",
+    "previous_page": "Previous page",
+    "questions": "Questions",
+    "response_nr": "Response number",
+    "responses": "Responses",
+    "save_entries": "Submit your answers",
+    "show_entries": "Show responses",
+    "show_nonrespondents": "Show non-respondents",
+    "started": "Started",
+    "this_feedback_is_already_submitted": "You've already completed this activity."
+}

src/addons/mod/feedback/pages/attempt/attempt.html

@@ -0,0 +1,58 @@
+<ion-header>
+    <ion-toolbar>
+        <ion-buttons slot="start">
+            <ion-back-button [attr.aria-label]="'core.back' | translate"></ion-back-button>
+        </ion-buttons>
+        <ion-title>
+            <ng-container *ngIf="attempt">{{ attempt.fullname }}</ng-container>
+            <ng-container *ngIf="anonAttempt">
+                {{ 'addon.mod_feedback.response_nr' |translate }}: {{anonAttempt.number}}
+            </ng-container>
+        </ion-title>
+    </ion-toolbar>
+</ion-header>
+<ion-content>
+    <core-loading [hideUntil]="loaded">
+        <ion-list class="ion-no-margin" *ngIf="attempt || anonAttempt">
+            <ion-item *ngIf="attempt" class="ion-text-wrap" core-user-link [userId]="attempt.userid"
+                [attr.aria-label]=" 'core.user.viewprofile' | translate" [courseId]="attempt.courseid" [title]="attempt.fullname">
+                <core-user-avatar [user]="attempt" slot="start"></core-user-avatar>
+                <ion-label>
+                    <h2>{{attempt.fullname}}</h2>
+                    <p *ngIf="attempt.timemodified">{{attempt.timemodified * 1000 | coreFormatDate }}</p>
+                </ion-label>
+            </ion-item>
+
+            <ion-item class="ion-text-wrap" *ngIf="anonAttempt">
+                <ion-label>
+                    <h2>
+                        {{ 'addon.mod_feedback.response_nr' |translate }}: {{anonAttempt.number}}
+                        ({{ 'addon.mod_feedback.anonymous' |translate }})
+                    </h2>
+                </ion-label>
+            </ion-item >
+            <ng-container *ngIf="items && items.length">
+                <ng-container *ngFor="let item of items">
+                    <ion-item-divider *ngIf="item.typ == 'pagebreak'">
+                        <ion-label></ion-label>
+                    </ion-item-divider>
+                    <ion-item class="ion-text-wrap" *ngIf="item.typ != 'pagebreak'" [color]="item.dependitem > 0 ? 'light' : ''">
+                        <ion-label>
+                            <h2 *ngIf="item.name" [core-mark-required]="item.required">
+                                <span *ngIf="feedback!.autonumbering && item.itemnumber">{{item.itemnumber}}. </span>
+                                <core-format-text  [component]="component" [componentId]="cmId" [text]="item.name"
+                                    contextLevel="module" [contextInstanceId]="cmId" [courseId]="courseId">
+                                </core-format-text>
+                            </h2>
+                            <p *ngIf="item.submittedValue">
+                                <core-format-text [component]="component" [componentId]="cmId" [text]="item.submittedValue"
+                                    contextLevel="module" [contextInstanceId]="cmId" [courseId]="courseId">
+                                </core-format-text>
+                            </p>
+                        </ion-label>
+                    </ion-item>
+                </ng-container>
+            </ng-container>
+        </ion-list>
+    </core-loading>
+</ion-content>

src/addons/mod/feedback/pages/attempt/attempt.module.ts

@@ -0,0 +1,37 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CoreSharedModule } from '@/core/shared.module';
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import { AddonModFeedbackAttemptPage } from './attempt';
+
+const routes: Routes = [
+    {
+        path: '',
+        component: AddonModFeedbackAttemptPage,
+    },
+];
+
+@NgModule({
+    declarations: [
+        AddonModFeedbackAttemptPage,
+    ],
+    imports: [
+        RouterModule.forChild(routes),
+        CoreSharedModule,
+    ],
+    exports: [RouterModule],
+})
+export class AddonModFeedbackAttemptPageModule {}

src/addons/mod/feedback/pages/attempt/attempt.ts

@@ -0,0 +1,125 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnInit } from '@angular/core';
+import { CoreNavigator } from '@services/navigator';
+import { CoreDomUtils } from '@services/utils/dom';
+import { CoreTextUtils } from '@services/utils/text';
+import {
+    AddonModFeedback,
+    AddonModFeedbackProvider,
+    AddonModFeedbackWSAnonAttempt,
+    AddonModFeedbackWSAttempt,
+    AddonModFeedbackWSFeedback,
+} from '../../services/feedback';
+import { AddonModFeedbackFormItem, AddonModFeedbackHelper } from '../../services/feedback-helper';
+
+/**
+ * Page that displays a feedback attempt review.
+ */
+@Component({
+    selector: 'page-addon-mod-feedback-attempt',
+    templateUrl: 'attempt.html',
+})
+export class AddonModFeedbackAttemptPage implements OnInit {
+
+    protected attemptId!: number;
+
+    cmId!: number;
+    courseId!: number;
+    feedback?: AddonModFeedbackWSFeedback;
+    attempt?: AddonModFeedbackWSAttempt;
+    anonAttempt?: AddonModFeedbackWSAnonAttempt;
+    items: AddonModFeedbackAttemptItem[] = [];
+    component = AddonModFeedbackProvider.COMPONENT;
+    loaded = false;
+
+    /**
+     * @inheritdoc
+     */
+    ngOnInit(): void {
+        this.cmId = CoreNavigator.getRouteNumberParam('cmId')!;
+        this.courseId = CoreNavigator.getRouteNumberParam('courseId')!;
+        this.attemptId = CoreNavigator.getRouteNumberParam('attemptId')!;
+
+        this.fetchData();
+    }
+
+    /**
+     * Fetch all the data required for the view.
+     *
+     * @return Promise resolved when done.
+     */
+    protected async fetchData(): Promise<void> {
+        try {
+            this.feedback = await AddonModFeedback.getFeedback(this.courseId, this.cmId);
+
+            const attempt = await AddonModFeedback.getAttempt(this.feedback.id, this.attemptId, { cmId: this.cmId });
+
+            if (this.isAnonAttempt(attempt)) {
+                this.anonAttempt = attempt;
+                delete this.attempt;
+            } else {
+                this.attempt = attempt;
+                delete this.anonAttempt;
+            }
+
+            const items = await AddonModFeedback.getItems(this.feedback.id, { cmId: this.cmId });
+
+            // Add responses and format items.
+            this.items = <AddonModFeedbackAttemptItem[]> items.items.map((item) => {
+                const formItem = AddonModFeedbackHelper.getItemForm(item, true);
+                if (!formItem) {
+                    return;
+                }
+
+                const attemptItem = <AddonModFeedbackAttemptItem> formItem;
+
+                if (item.typ == 'label') {
+                    attemptItem.submittedValue = CoreTextUtils.replacePluginfileUrls(item.presentation, item.itemfiles);
+                } else {
+                    for (const x in attempt.responses) {
+                        if (attempt.responses[x].id == item.id) {
+                            attemptItem.submittedValue = attempt.responses[x].printval;
+                            break;
+                        }
+                    }
+                }
+
+                return attemptItem;
+            }).filter((itemData) => itemData); // Filter items with errors.
+
+        } catch (message) {
+            // Some call failed on fetch, go back.
+            CoreDomUtils.showErrorModalDefault(message, 'core.course.errorgetmodule', true);
+            CoreNavigator.back();
+        } finally {
+            this.loaded = true;
+        }
+    }
+
+    /**
+     * Check if an attempt is anonymous or not.
+     *
+     * @param attempt Attempt to check.
+     */
+    isAnonAttempt(attempt: AddonModFeedbackWSAttempt | AddonModFeedbackWSAnonAttempt): attempt is AddonModFeedbackWSAnonAttempt {
+        return !('fullname' in attempt);
+    }
+
+}
+
+type AddonModFeedbackAttemptItem = AddonModFeedbackFormItem & {
+    submittedValue?: string;
+};

src/addons/mod/feedback/pages/form/form.html

@@ -0,0 +1,178 @@
+<ion-header>
+    <ion-toolbar>
+        <ion-buttons slot="start">
+            <ion-back-button [attr.aria-label]="'core.back' | translate"></ion-back-button>
+        </ion-buttons>
+        <ion-title>
+            <core-format-text [text]="title" contextLevel="module" [contextInstanceId]="cmId" [courseId]="courseId">
+            </core-format-text>
+        </ion-title>
+    </ion-toolbar>
+</ion-header>
+<ion-content>
+    <core-loading [hideUntil]="feedbackLoaded">
+        <ng-container *ngIf="items && items.length">
+            <ion-list class="ion-no-margin">
+                <ion-item class="ion-text-wrap">
+                    <ion-label>
+                        <h2>{{ 'addon.mod_feedback.mode' | translate }}</h2>
+                        <p *ngIf="access!.isanonymous">{{ 'addon.mod_feedback.anonymous' | translate }}</p>
+                        <p *ngIf="!access!.isanonymous">{{ 'addon.mod_feedback.non_anonymous' | translate }}</p>
+                    </ion-label>
+                </ion-item>
+                <ng-container *ngFor="let item of items">
+                    <ion-item-divider *ngIf="item.typ == 'pagebreak'">
+                        <ion-label></ion-label>
+                    </ion-item-divider>
+                    <ng-container *ngIf="item.typ != 'pagebreak'">
+                        <ion-item class="ion-text-wrap addon-mod_feedback-item" [color]="item.dependitem > 0 ? 'light' : ''"
+                            [class.core-danger-item]="item.isEmpty || item.hasError">
+                            <ion-label [position]="item.hasTextInput ? 'stacked' : undefined">
+                                <p *ngIf="item.name" [core-mark-required]="item.required">
+                                    <span *ngIf="feedback!.autonumbering && item.itemnumber">{{item.itemnumber}}. </span>
+                                    <core-format-text [component]="component" [componentId]="cmId" [text]="item.name"
+                                        contextLevel="module" [contextInstanceId]="cmId" [courseId]="courseId" [wsNotFiltered]="true">
+                                    </core-format-text>
+                                    <span *ngIf="item.postfix" class="addon-mod_feedback-postfix">{{item.postfix}}</span>
+                                </p>
+                                <p *ngIf="item.templateName == 'label'">
+                                    <core-format-text [component]="component" [componentId]="cmId"
+                                        [text]="item.presentation" contextLevel="module" [contextInstanceId]="cmId"
+                                        [wsNotFiltered]="true" [courseId]="courseId">
+                                    </core-format-text>
+                                </p>
+                            </ion-label>
+
+                            <ion-input *ngIf="item.templateName == 'textfield'" type="text" [(ngModel)]="item.value"
+                                autocorrect="off" name="{{item.typ}}_{{item.id}}" maxlength="{{item.length}}"
+                                [required]="item.required">
+                            </ion-input>
+
+                            <ng-container *ngIf="item.templateName == 'numeric'">
+                                <ion-input type="number" [(ngModel)]="item.value" name="{{item.typ}}_{{item.id}}"
+                                    [required]="item.required">
+                                </ion-input>
+                                <ion-text *ngIf="item.hasError" color="danger" class="addon-mod_feedback-item-error">
+                                    {{ 'addon.mod_feedback.numberoutofrange' | translate }} [{{item.rangefrom}}
+                                    <span *ngIf="item.rangefrom && item.rangeto">, </span>{{item.rangeto}}]
+                                </ion-text>
+                            </ng-container>
+
+                            <ion-textarea *ngIf="item.templateName == 'textarea'" [required]="item.required"
+                                name="{{item.typ}}_{{item.id}}" [attr.aria-multiline]="true" [(ngModel)]="item.value">
+                            </ion-textarea>
+
+                            <ion-select *ngIf="item.templateName == 'multichoice-d'" [required]="item.required"
+                                name="{{item.typ}}_{{item.id}}" [(ngModel)]="item.value" interface="action-sheet">
+                                <ion-select-option *ngFor="let option of item.choices" [value]="option.value">
+                                    <core-format-text [component]="component" [componentId]="cmId" [text]="option.label"
+                                        contextLevel="module" [contextInstanceId]="cmId" [wsNotFiltered]="true"
+                                        [courseId]="courseId">
+                                    </core-format-text>
+                                </ion-select-option>
+                            </ion-select>
+                        </ion-item>
+
+                        <ion-radio-group *ngIf="item.templateName == 'multichoice-r'" [(ngModel)]="item.value"
+                            [required]="item.required" name="{{item.typ}}_{{item.id}}">
+                            <ion-item *ngFor="let option of item.choices">
+                                <ion-label>
+                                    <core-format-text  [component]="component" [componentId]="cmId"
+                                        [text]="option.label" contextLevel="module" [contextInstanceId]="cmId"
+                                        [wsNotFiltered]="true" [courseId]="courseId">
+                                    </core-format-text>
+                                </ion-label>
+                                <ion-radio slot="start" [value]="option.value"></ion-radio>
+                            </ion-item>
+                        </ion-radio-group>
+
+                        <ng-container *ngIf="item.templateName == 'multichoice-c'">
+                            <ion-item *ngFor="let option of item.choices">
+                                <ion-label>
+                                    <core-format-text [component]="component" [componentId]="cmId" [text]="option.label"
+                                        contextLevel="module" [contextInstanceId]="cmId" [wsNotFiltered]="true"
+                                        [courseId]="courseId">
+                                    </core-format-text>
+                                </ion-label>
+                                <ion-checkbox [required]="item.required" name="{{item.typ}}_{{item.id}}"
+                                    [(ngModel)]="option.checked" value="option.value">
+                                </ion-checkbox>
+                            </ion-item>
+                        </ng-container>
+
+                        <ng-container *ngIf="item.templateName == 'captcha'">
+                            <core-recaptcha *ngIf="!preview && !offline" [publicKey]="item.captcha.recaptchapublickey"
+                                [model]="item" modelValueName="value">
+                            </core-recaptcha>
+                            <div *ngIf="!preview && (!item.captcha || offline)" class="core-warning-card">
+                                <ion-item>
+                                    <ion-icon name="fas-exclamation-triangle" slot="start"></ion-icon>
+                                    <ion-label>{{ 'addon.mod_feedback.captchaofflinewarning' | translate }}</ion-label>
+                                </ion-item>
+                            </div>
+                        </ng-container>
+                    </ng-container>
+                </ng-container>
+                <ion-grid *ngIf="!preview">
+                    <ion-row class="ion-align-items-center">
+                        <ion-col *ngIf="hasPrevPage">
+                            <ion-button expand="block" fill="outline" (click)="gotoPage(true)" class="ion-text-wrap">
+                                <ion-icon name="fas-chevron-left" slot="start"></ion-icon>
+                                {{ 'addon.mod_feedback.previous_page' | translate }}
+                            </ion-button>
+                        </ion-col>
+                        <ion-col *ngIf="hasNextPage">
+                            <ion-button expand="block" (click)="gotoPage(false)" class="ion-text-wrap">
+                                {{ 'addon.mod_feedback.next_page' | translate }}
+                                <ion-icon name="fas-chevron-right" slot="end"></ion-icon>
+                            </ion-button>
+                        </ion-col>
+                        <ion-col *ngIf="!hasNextPage">
+                            <ion-button expand="block" (click)="gotoPage(false)" class="ion-text-wrap">
+                                {{ 'addon.mod_feedback.save_entries' | translate }}
+                            </ion-button>
+                        </ion-col>
+                    </ion-row>
+                </ion-grid>
+            </ion-list>
+        </ng-container>
+
+        <ion-card class="core-success-card" *ngIf="completed">
+            <ion-item>
+                <ion-icon name="fas-check" slot="start"></ion-icon>
+                <ion-label>
+                    <p *ngIf="!completionPageContents && !completedOffline">
+                        {{ 'addon.mod_feedback.this_feedback_is_already_submitted' | translate }}
+                    </p>
+                    <p *ngIf="!completionPageContents && completedOffline">
+                        {{ 'addon.mod_feedback.feedback_submitted_offline' | translate }}
+                    </p>
+                    <p *ngIf="completionPageContents">
+                        <core-format-text  [component]="component" componentId="componentId" [text]="completionPageContents"
+                            contextLevel="module" [contextInstanceId]="cmId" [courseId]="courseId">
+                        </core-format-text>
+                    </p>
+                </ion-label>
+            </ion-item>
+        </ion-card>
+
+        <ion-card>
+            <ion-grid *ngIf="completed">
+                <ion-row class="ion-align-items-center">
+                    <ion-col *ngIf="access!.canviewanalysis">
+                        <ion-button expand="block" fill="outline" (click)="showAnalysis()" class="ion-text-wrap">
+                            <ion-icon name="fas-chart-bar" slot="start"></ion-icon>
+                            {{ 'addon.mod_feedback.completed_feedbacks' | translate }}
+                        </ion-button>
+                    </ion-col>
+                    <ion-col *ngIf="hasNextPage">
+                        <ion-button expand="block" (click)="continue()" class="ion-text-wrap">
+                            {{ 'core.continue' | translate }}
+                            <ion-icon name="fas-chevron-right" slot="end"></ion-icon>
+                        </ion-button>
+                    </ion-col>
+                </ion-row>
+            </ion-grid>
+        </ion-card>
+    </core-loading>
+</ion-content>

src/addons/mod/feedback/pages/form/form.module.ts

@@ -0,0 +1,39 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CoreSharedModule } from '@/core/shared.module';
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import { CanLeaveGuard } from '@guards/can-leave';
+import { AddonModFeedbackFormPage } from './form';
+
+const routes: Routes = [
+    {
+        path: '',
+        component: AddonModFeedbackFormPage,
+        canDeactivate: [CanLeaveGuard],
+    },
+];
+
+@NgModule({
+    declarations: [
+        AddonModFeedbackFormPage,
+    ],
+    imports: [
+        RouterModule.forChild(routes),
+        CoreSharedModule,
+    ],
+    exports: [RouterModule],
+})
+export class AddonModFeedbackFormPageModule {}

src/addons/mod/feedback/pages/form/form.scss

@@ -0,0 +1,11 @@
+:host {
+    .addon-mod_feedback-item ion-label.label-stacked {
+        margin: 11px 0px 10px;
+        transform: none;
+    }
+
+    .addon-mod_feedback-item-error {
+        padding-top: 5px;
+        padding-bottom: 8px;
+    }
+}

src/addons/mod/feedback/pages/form/form.ts

@@ -0,0 +1,428 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core';
+import { CoreSite } from '@classes/site';
+import { CoreContentLinksHelper } from '@features/contentlinks/services/contentlinks-helper';
+import { CoreCourse, CoreCourseCommonModWSOptions, CoreCourseWSModule } from '@features/course/services/course';
+import { CoreCourseHelper } from '@features/course/services/course-helper';
+import { CanLeave } from '@guards/can-leave';
+import { IonContent } from '@ionic/angular';
+import { CoreApp } from '@services/app';
+import { CoreNavigator } from '@services/navigator';
+import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
+import { CoreDomUtils } from '@services/utils/dom';
+import { CoreUtils } from '@services/utils/utils';
+import { Network, NgZone, Translate } from '@singletons';
+import { CoreEvents } from '@singletons/events';
+import { Subscription } from 'rxjs';
+import {
+    AddonModFeedback,
+    AddonModFeedbackGetFeedbackAccessInformationWSResponse,
+    AddonModFeedbackPageItems,
+    AddonModFeedbackProvider,
+    AddonModFeedbackResponseValue,
+    AddonModFeedbackWSFeedback,
+} from '../../services/feedback';
+import { AddonModFeedbackFormItem, AddonModFeedbackHelper } from '../../services/feedback-helper';
+import { AddonModFeedbackSync } from '../../services/feedback-sync';
+import { AddonModFeedbackModuleHandlerService } from '../../services/handlers/module';
+
+/**
+ * Page that displays feedback form.
+ */
+@Component({
+    selector: 'page-addon-mod-feedback-form',
+    templateUrl: 'form.html',
+    styleUrls: ['form.scss'],
+})
+export class AddonModFeedbackFormPage implements OnInit, OnDestroy, CanLeave {
+
+    @ViewChild(IonContent) content?: IonContent;
+
+    protected module?: CoreCourseWSModule;
+    protected currentPage?: number;
+    protected siteAfterSubmit?: string;
+    protected onlineObserver: Subscription;
+    protected originalData?: Record<string, AddonModFeedbackResponseValue>;
+    protected currentSite: CoreSite;
+    protected forceLeave = false;
+
+    title?: string;
+    preview = false;
+    cmId!: number;
+    courseId!: number;
+    feedback?: AddonModFeedbackWSFeedback;
+    completionPageContents?: string;
+    component = AddonModFeedbackProvider.COMPONENT;
+    offline = false;
+    feedbackLoaded = false;
+    access?: AddonModFeedbackGetFeedbackAccessInformationWSResponse;
+    items: AddonModFeedbackFormItem[] = [];
+    hasPrevPage = false;
+    hasNextPage = false;
+    completed = false;
+    completedOffline = false;
+
+    constructor() {
+        this.currentSite = CoreSites.getCurrentSite()!;
+
+        // Refresh online status when changes.
+        this.onlineObserver = Network.onChange().subscribe(() => {
+            // Execute the callback in the Angular zone, so change detection doesn't stop working.
+            NgZone.run(() => {
+                this.offline = !CoreApp.isOnline();
+            });
+        });
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async ngOnInit(): Promise<void> {
+        this.cmId = CoreNavigator.getRouteNumberParam('cmId')!;
+        this.courseId = CoreNavigator.getRouteNumberParam('courseId')!;
+        this.currentPage = CoreNavigator.getRouteNumberParam('page');
+        this.title = CoreNavigator.getRouteParam('title');
+        this.preview = !!CoreNavigator.getRouteBooleanParam('preview');
+
+        await this.fetchData();
+
+        if (!this.feedback) {
+            return;
+        }
+
+        try {
+            await AddonModFeedback.logView(this.feedback.id, this.feedback.name, true);
+
+            CoreCourse.checkModuleCompletion(this.courseId, this.module!.completiondata);
+        } catch {
+            // Ignore errors.
+        }
+    }
+
+    /**
+     * View entered.
+     */
+    ionViewDidEnter(): void {
+        this.forceLeave = false;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async canLeave(): Promise<boolean> {
+        if (this.forceLeave) {
+            return true;
+        }
+
+        if (!this.preview) {
+            const responses = AddonModFeedbackHelper.getPageItemsResponses(this.items);
+
+            if (this.items && !this.completed && this.originalData) {
+                // Form submitted. Check if there is any change.
+                if (!CoreUtils.basicLeftCompare(responses, this.originalData, 3)) {
+                    await CoreDomUtils.showConfirm(Translate.instant('core.confirmcanceledit'));
+                }
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Fetch all the data required for the view.
+     *
+     * @return Promise resolved when done.
+     */
+    protected async fetchData(): Promise<void> {
+        try {
+            this.module = await CoreCourse.getModule(this.cmId, this.courseId, undefined, true, false, this.currentSite.getId());
+
+            this.offline = !CoreApp.isOnline();
+            const options = {
+                cmId: this.cmId,
+                readingStrategy: this.offline ? CoreSitesReadingStrategy.PreferCache : CoreSitesReadingStrategy.OnlyNetwork,
+                siteId: this.currentSite.getId(),
+            };
+
+            this.feedback = await AddonModFeedback.getFeedback(this.courseId, this.cmId);
+
+            this.title = this.feedback.name || this.title;
+
+            await this.fetchAccessData(options);
+
+            let page = 0;
+
+            if (!this.preview && this.access!.cansubmit && !this.access!.isempty) {
+                page = this.currentPage ?? await this.fetchResumePage(options);
+            } else {
+                this.preview = true;
+            }
+
+            await this.fetchFeedbackPageData(page);
+        } catch (message) {
+            CoreDomUtils.showErrorModalDefault(message, 'core.course.errorgetmodule', true);
+            this.forceLeave = true;
+            CoreNavigator.back();
+        } finally {
+            this.feedbackLoaded = true;
+        }
+    }
+
+    /**
+     * Fetch access information.
+     *
+     * @param options Options.
+     * @return Promise resolved when done.
+     */
+    protected async fetchAccessData(options: CoreCourseCommonModWSOptions): Promise<void> {
+        try {
+            this.access = await AddonModFeedback.getFeedbackAccessInformation(this.feedback!.id, options);
+        } catch (error) {
+            if (this.offline || CoreUtils.isWebServiceError(error)) {
+                // Already offline or shouldn't go offline, fail.
+                throw error;
+            }
+
+            // If it fails, go offline.
+            this.offline = true;
+            options.readingStrategy = CoreSitesReadingStrategy.PreferCache;
+
+            this.access = await AddonModFeedback.getFeedbackAccessInformation(this.feedback!.id, options);
+        }
+    }
+
+    /**
+     * Get resume page from WS.
+     *
+     * @param options Options.
+     * @return Promise resolved with the page to resume.
+     */
+    protected async fetchResumePage(options: CoreCourseCommonModWSOptions): Promise<number> {
+        try {
+            return await AddonModFeedback.getResumePage(this.feedback!.id, options);
+        } catch (error) {
+            if (this.offline || CoreUtils.isWebServiceError(error)) {
+                // Already offline or shouldn't go offline, fail.
+                throw error;
+            }
+
+            // Go offline.
+            this.offline = true;
+            options.readingStrategy = CoreSitesReadingStrategy.PreferCache;
+
+            return AddonModFeedback.getResumePage(this.feedback!.id, options);
+        }
+    }
+
+    /**
+     * Fetch page data.
+     *
+     * @param page Page to load.
+     * @return Promise resolved when done.
+     */
+    protected async fetchFeedbackPageData(page: number = 0): Promise<void> {
+        this.items = [];
+        const response = await this.fetchPageItems(page);
+
+        this.items = <AddonModFeedbackFormItem[]> response.items
+            .map((itemData) => AddonModFeedbackHelper.getItemForm(itemData, this.preview))
+            .filter((itemData) => itemData); // Filter items with errors.
+
+        if (!this.preview) {
+            const itemsCopy = CoreUtils.clone(this.items); // Copy the array to avoid modifications.
+            this.originalData = AddonModFeedbackHelper.getPageItemsResponses(itemsCopy);
+        }
+    }
+
+    /**
+     * Fetch page items.
+     *
+     * @param page Page to get.
+     * @return Promise resolved with WS response.
+     */
+    protected async fetchPageItems(page: number): Promise<AddonModFeedbackPageItems> {
+        const options = {
+            cmId: this.cmId,
+            readingStrategy: this.offline ? CoreSitesReadingStrategy.PreferCache : CoreSitesReadingStrategy.OnlyNetwork,
+            siteId: this.currentSite.getId(),
+        };
+
+        if (this.preview) {
+            const response = await AddonModFeedback.getItems(this.feedback!.id, options);
+
+            return {
+                items: response.items,
+                warnings: response.warnings,
+                hasnextpage: false,
+                hasprevpage: false,
+            };
+        }
+
+        this.currentPage = page;
+        let response: AddonModFeedbackPageItems;
+
+        try {
+            response = await AddonModFeedback.getPageItemsWithValues(this.feedback!.id, page, options);
+        } catch (error) {
+            if (this.offline || CoreUtils.isWebServiceError(error)) {
+                // Already offline or shouldn't go offline, fail.
+                throw error;
+            }
+
+            // Go offline.
+            this.offline = true;
+            options.readingStrategy = CoreSitesReadingStrategy.PreferCache;
+
+            response = await AddonModFeedback.getPageItemsWithValues(this.feedback!.id, page, options);
+        }
+
+        this.hasPrevPage = !!response.hasprevpage;
+        this.hasNextPage = !!response.hasnextpage;
+
+        return response;
+    }
+
+    /**
+     * Function to allow page navigation through the questions form.
+     *
+     * @param goPrevious If true it will go back to the previous page, if false, it will go forward.
+     * @return Resolved when done.
+     */
+    async gotoPage(goPrevious: boolean): Promise<void> {
+        this.content?.scrollToTop();
+        this.feedbackLoaded = false;
+
+        const responses = AddonModFeedbackHelper.getPageItemsResponses(this.items);
+        const formHasErrors = this.items.some((item) => item.isEmpty || item.hasError);
+
+        try {
+            // Sync other pages first.
+            await CoreUtils.ignoreErrors(AddonModFeedbackSync.syncFeedback(this.feedback!.id));
+
+            const response = await AddonModFeedback.processPage(this.feedback!.id, this.currentPage!, responses, {
+                goPrevious,
+                formHasErrors,
+                courseId: this.courseId,
+                cmId: this.cmId,
+            });
+
+            if (response.completed) {
+                // Form is completed, show completion message and buttons.
+                this.items = [];
+                this.completed = true;
+                this.completedOffline = !!response.offline;
+                this.completionPageContents = response.completionpagecontents;
+                this.siteAfterSubmit = response.siteaftersubmit;
+
+                CoreEvents.trigger(CoreEvents.ACTIVITY_DATA_SENT, { module: 'feedback' });
+
+                // Invalidate access information so user will see home page updated (continue form or completion messages).
+                await Promise.all([
+                    AddonModFeedback.invalidateFeedbackAccessInformationData(this.feedback!.id),
+                    AddonModFeedback.invalidateResumePageData(this.feedback!.id),
+                ]);
+
+                // If form has been submitted, the info has been already invalidated but we should update index view.
+                CoreEvents.trigger(AddonModFeedbackProvider.FORM_SUBMITTED, {
+                    feedbackId: this.feedback!.id,
+                    tab: 'overview',
+                    offline: this.completedOffline,
+                });
+
+                await this.fetchAccessData({
+                    cmId: this.cmId,
+                    readingStrategy: this.offline ? CoreSitesReadingStrategy.PreferCache : CoreSitesReadingStrategy.OnlyNetwork,
+                    siteId: this.currentSite.getId(),
+                });
+            } else if (typeof response.jumpto != 'number' || response.jumpto == this.currentPage) {
+                // Errors on questions, stay in page.
+            } else {
+                // Invalidate access information so user will see home page updated (continue form).
+                await AddonModFeedback.invalidateResumePageData(this.feedback!.id);
+
+                CoreEvents.trigger(AddonModFeedbackProvider.FORM_SUBMITTED, {
+                    feedbackId: this.feedback!.id,
+                    tab: 'overview',
+                    offline: this.completedOffline,
+                });
+
+                // Fetch the new page.
+                await this.fetchFeedbackPageData(response.jumpto);
+            }
+        } catch (message) {
+            CoreDomUtils.showErrorModalDefault(message, 'core.course.errorgetmodule', true);
+        } finally {
+            this.feedbackLoaded = true;
+        }
+    }
+
+    /**
+     * Function to link implemented features.
+     */
+    showAnalysis(): void {
+        const indexPath = AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${this.courseId}/${this.cmId}`;
+        const previousPath = CoreNavigator.getPreviousPath();
+
+        if (previousPath.match(new RegExp(indexPath + '$'))) {
+            // Previous page is the index page, go back.
+            CoreEvents.trigger(AddonModFeedbackProvider.FORM_SUBMITTED, {
+                feedbackId: this.feedback!.id,
+                tab: 'analysis',
+                offline: this.completedOffline,
+            });
+
+            CoreNavigator.back();
+
+            return;
+        }
+
+        CoreNavigator.navigateToSitePath(indexPath, {
+            params: {
+                module: this.module,
+                tab: 'analysis',
+            },
+        });
+    }
+
+    /**
+     * Function to go to the page after submit.
+     */
+    async continue(): Promise<void> {
+        if (!this.siteAfterSubmit) {
+            return CoreCourseHelper.getAndOpenCourse(this.courseId, {}, this.currentSite.getId());
+        }
+
+        const modal = await CoreDomUtils.showModalLoading();
+
+        try {
+            const treated = await CoreContentLinksHelper.handleLink(this.siteAfterSubmit);
+
+            if (!treated) {
+                await this.currentSite.openInBrowserWithAutoLoginIfSameSite(this.siteAfterSubmit);
+            }
+        } finally {
+            modal.dismiss();
+        }
+    }
+
+    /**
+     * Component being destroyed.
+     */
+    ngOnDestroy(): void {
+        this.onlineObserver.unsubscribe();
+    }
+
+}

src/addons/mod/feedback/pages/index/index.html

@@ -0,0 +1,22 @@
+<ion-header>
+    <ion-toolbar>
+        <ion-buttons slot="start">
+            <ion-back-button [attr.aria-label]="'core.back' | translate"></ion-back-button>
+        </ion-buttons>
+        <ion-title>
+            <core-format-text [text]="title" contextLevel="module" [contextInstanceId]="module?.id" [courseId]="courseId">
+            </core-format-text>
+        </ion-title>
+        <ion-buttons slot="end">
+            <!-- The buttons defined by the component will be added in here. -->
+        </ion-buttons>
+    </ion-toolbar>
+</ion-header>
+<ion-content>
+    <ion-refresher slot="fixed" [disabled]="!activityComponent?.loaded" (ionRefresh)="activityComponent?.doRefresh($event.target)">
+        <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
+    </ion-refresher>
+
+    <addon-mod-feedback-index [module]="module" [courseId]="courseId" [group]="selectedGroup" [tab]="selectedTab"
+        (dataRetrieved)="updateData($event)"></addon-mod-feedback-index>
+</ion-content>

src/addons/mod/feedback/pages/index/index.ts

@@ -0,0 +1,43 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { CoreCourseModuleMainActivityPage } from '@features/course/classes/main-activity-page';
+import { CoreNavigator } from '@services/navigator';
+import { AddonModFeedbackIndexComponent } from '../../components/index/index';
+
+/**
+ * Page that displays a feedback.
+ */
+@Component({
+    selector: 'page-addon-mod-feedback-index',
+    templateUrl: 'index.html',
+})
+export class AddonModFeedbackIndexPage extends CoreCourseModuleMainActivityPage<AddonModFeedbackIndexComponent> implements OnInit {
+
+    @ViewChild(AddonModFeedbackIndexComponent) activityComponent?: AddonModFeedbackIndexComponent;
+
+    selectedTab?: string;
+    selectedGroup?: number;
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        super.ngOnInit();
+        this.selectedTab = CoreNavigator.getRouteParam('tab');
+        this.selectedGroup = CoreNavigator.getRouteNumberParam('group');
+    }
+
+}

src/addons/mod/feedback/pages/nonrespondents/nonrespondents.html

@@ -0,0 +1,52 @@
+<ion-header>
+    <ion-toolbar>
+        <ion-buttons slot="start">
+            <ion-back-button [attr.aria-label]="'core.back' | translate"></ion-back-button>
+        </ion-buttons>
+        <ion-title>{{ 'addon.mod_feedback.responses' |translate }}</ion-title>
+    </ion-toolbar>
+</ion-header>
+<ion-content>
+    <ion-refresher slot="fixed" [disabled]="!loaded" (ionRefresh)="refreshFeedback($event.target)">
+        <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
+    </ion-refresher>
+    <core-loading [hideUntil]="loaded">
+        <ion-list class="ion-no-margin">
+            <ion-item class="ion-text-wrap" *ngIf="groupInfo && (groupInfo.separateGroups || groupInfo.visibleGroups)">
+                <ion-label id="addon-feedback-groupslabel">
+                    <ng-container *ngIf="groupInfo.separateGroups">{{'core.groupsseparate' | translate }}</ng-container>
+                    <ng-container *ngIf="groupInfo.visibleGroups">{{'core.groupsvisible' | translate }}</ng-container>
+                </ion-label>
+                <ion-select [(ngModel)]="selectedGroup" (ionChange)="loadAttempts(selectedGroup)"
+                    aria-labelledby="addon-feedback-groupslabel" interface="action-sheet">
+                    <ion-select-option *ngFor="let groupOpt of groupInfo.groups" [value]="groupOpt.id">
+                        {{groupOpt.name}}
+                    </ion-select-option>
+                </ion-select>
+            </ion-item>
+
+            <ion-item-divider>
+                <ion-label>{{ 'addon.mod_feedback.non_respondents_students' | translate : {$a: total } }}</ion-label>
+            </ion-item-divider>
+            <ng-container *ngIf="total > 0">
+                <ion-item *ngFor="let user of users" class="ion-text-wrap">
+                    <core-user-avatar [user]="user" slot="start"></core-user-avatar>
+                    <ion-label>
+                        <h2>{{ user.fullname }}</h2>
+                        <p>
+                            <ion-badge color="success" *ngIf="user.started">
+                                {{ 'addon.mod_feedback.started' | translate}}
+                            </ion-badge>
+                            <ion-badge color="danger" *ngIf="!user.started">
+                                {{ 'addon.mod_feedback.not_started' | translate}}
+                            </ion-badge>
+                        </p>
+                    </ion-label>
+                </ion-item>
+            </ng-container>
+
+            <core-infinite-loading [enabled]="canLoadMore" (action)="loadAttempts(undefined, $event)" [error]="loadMoreError">
+            </core-infinite-loading>
+        </ion-list>
+    </core-loading>
+</ion-content>

src/addons/mod/feedback/pages/nonrespondents/nonrespondents.module.ts

@@ -0,0 +1,37 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CoreSharedModule } from '@/core/shared.module';
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import { AddonModFeedbackNonRespondentsPage } from './nonrespondents';
+
+const routes: Routes = [
+    {
+        path: '',
+        component: AddonModFeedbackNonRespondentsPage,
+    },
+];
+
+@NgModule({
+    declarations: [
+        AddonModFeedbackNonRespondentsPage,
+    ],
+    imports: [
+        RouterModule.forChild(routes),
+        CoreSharedModule,
+    ],
+    exports: [RouterModule],
+})
+export class AddonModFeedbackNonRespondentsPageModule {}

src/addons/mod/feedback/pages/nonrespondents/nonrespondents.ts

@@ -0,0 +1,165 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnInit } from '@angular/core';
+import { IonRefresher } from '@ionic/angular';
+import { CoreGroupInfo, CoreGroups } from '@services/groups';
+import { CoreNavigator } from '@services/navigator';
+import { CoreDomUtils } from '@services/utils/dom';
+import { CoreUtils } from '@services/utils/utils';
+import { AddonModFeedback, AddonModFeedbackWSFeedback } from '../../services/feedback';
+import { AddonModFeedbackHelper, AddonModFeedbackNonRespondent } from '../../services/feedback-helper';
+
+/**
+ * Page that displays feedback non respondents.
+ */
+@Component({
+    selector: 'page-addon-mod-feedback-nonrespondents',
+    templateUrl: 'nonrespondents.html',
+})
+export class AddonModFeedbackNonRespondentsPage implements OnInit {
+
+    protected cmId!: number;
+    protected courseId!: number;
+    protected feedback?: AddonModFeedbackWSFeedback;
+    protected page = 0;
+
+    selectedGroup!: number;
+    groupInfo?: CoreGroupInfo;
+    users: AddonModFeedbackNonRespondent[] = [];
+    total = 0;
+    canLoadMore = false;
+    loaded = false;
+    loadMoreError = false;
+
+    /**
+     * @inheritdoc
+     */
+    ngOnInit(): void {
+        this.cmId = CoreNavigator.getRouteNumberParam('cmId')!;
+        this.courseId = CoreNavigator.getRouteNumberParam('courseId')!;
+        this.selectedGroup = CoreNavigator.getRouteNumberParam('group') || 0;
+
+        this.fetchData();
+    }
+
+    /**
+     * Fetch all the data required for the view.
+     *
+     * @param refresh Empty events array first.
+     * @return Promise resolved when done.
+     */
+    protected async fetchData(refresh: boolean = false): Promise<void> {
+        this.page = 0;
+        this.total = 0;
+        this.users = [];
+
+        try {
+            this.feedback = await AddonModFeedback.getFeedback(this.courseId, this.cmId);
+
+            this.groupInfo = await CoreGroups.getActivityGroupInfo(this.cmId);
+
+            this.selectedGroup = CoreGroups.validateGroupId(this.selectedGroup, this.groupInfo);
+
+            await this.loadGroupUsers(this.selectedGroup);
+        } catch (message) {
+            CoreDomUtils.showErrorModalDefault(message, 'core.course.errorgetmodule', true);
+
+            if (!refresh) {
+                // Some call failed on first fetch, go back.
+                CoreNavigator.back();
+            }
+        }
+    }
+
+    /**
+     * Load Group responses.
+     *
+     * @param groupId If defined it will change group if not, it will load more users for the same group.
+     * @return Promise resolved when done.
+     */
+    protected async loadGroupUsers(groupId?: number): Promise<void> {
+        this.loadMoreError = false;
+
+        if (typeof groupId == 'undefined') {
+            this.page++;
+        } else {
+            this.selectedGroup = groupId;
+            this.page = 0;
+            this.total = 0;
+            this.users = [];
+            this.loaded = false;
+        }
+
+        try {
+            const response = await AddonModFeedbackHelper.getNonRespondents(this.feedback!.id, {
+                groupId: this.selectedGroup,
+                page: this.page,
+                cmId: this.cmId,
+            });
+
+            this.total = response.total;
+            if (this.users.length < response.total) {
+                this.users = this.users.concat(response.users);
+            }
+
+            this.canLoadMore = this.users.length < response.total;
+        } catch (error) {
+            this.loadMoreError = true;
+
+            throw error;
+        } finally {
+            this.loaded = true;
+        }
+    }
+
+    /**
+     * Change selected group or load more users.
+     *
+     * @param groupId Group ID selected. If not defined, it will load more users.
+     * @param infiniteComplete Infinite scroll complete function. Only used from core-infinite-loading.
+     */
+    async loadAttempts(groupId?: number, infiniteComplete?: () => void): Promise<void> {
+        try {
+            await this.loadGroupUsers(groupId);
+        } catch (error) {
+            CoreDomUtils.showErrorModalDefault(error, 'core.course.errorgetmodule', true);
+        } finally {
+            infiniteComplete && infiniteComplete();
+        }
+    }
+
+    /**
+     * Refresh the attempts.
+     *
+     * @param refresher Refresher.
+     */
+    async refreshFeedback(refresher: IonRefresher): Promise<void> {
+        try {
+            const promises: Promise<void>[] = [];
+
+            promises.push(CoreGroups.invalidateActivityGroupInfo(this.cmId));
+            if (this.feedback) {
+                promises.push(AddonModFeedback.invalidateNonRespondentsData(this.feedback.id));
+            }
+
+            await CoreUtils.ignoreErrors(Promise.all(promises));
+
+            await this.fetchData(true);
+        } finally {
+            refresher.complete();
+        }
+    }
+
+}

src/addons/mod/feedback/pages/respondents/respondents.html

@@ -0,0 +1,79 @@
+<ion-header>
+    <ion-toolbar>
+        <ion-buttons slot="start">
+            <ion-back-button [attr.aria-label]="'core.back' | translate"></ion-back-button>
+        </ion-buttons>
+        <ion-title>{{ 'addon.mod_feedback.responses' |translate }}</ion-title>
+    </ion-toolbar>
+</ion-header>
+<ion-content>
+    <core-split-view>
+        <ion-refresher slot="fixed" [disabled]="!loaded" (ionRefresh)="refreshFeedback($event.target)">
+            <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
+        </ion-refresher>
+        <core-loading [hideUntil]="loaded">
+            <ion-list  class="ion-no-margin">
+                <ion-item class="ion-text-wrap" *ngIf="groupInfo && (groupInfo.separateGroups || groupInfo.visibleGroups)">
+                    <ion-label id="addon-feedback-groupslabel">
+                        <ng-container *ngIf="groupInfo.separateGroups">{{'core.groupsseparate' | translate }}</ng-container>
+                        <ng-container *ngIf="groupInfo.visibleGroups">{{'core.groupsvisible' | translate }}</ng-container>
+                    </ion-label>
+                    <ion-select [(ngModel)]="selectedGroup" (ionChange)="loadAttempts(selectedGroup)"
+                        aria-labelledby="addon-feedback-groupslabel" interface="action-sheet">
+                        <ion-select-option *ngFor="let groupOpt of groupInfo.groups" [value]="groupOpt.id">
+                            {{groupOpt.name}}
+                        </ion-select-option>
+                    </ion-select>
+                </ion-item>
+
+                <ng-container *ngIf="responses.responses.total > 0">
+                    <ion-item-divider>
+                        <ion-label>
+                            {{ 'addon.mod_feedback.non_anonymous_entries' | translate : {$a: responses.responses.total } }}
+                        </ion-label>
+                    </ion-item-divider>
+                    <ion-item *ngFor="let attempt of responses.responses.attempts" class="ion-text-wrap" tappable detail="true"
+                        (click)="responses.select(attempt)" [class.core-selected-item]="responses.isSelected(attempt)">
+                        <core-user-avatar [user]="attempt" slot="start"></core-user-avatar>
+                        <ion-label>
+                            <h2>{{ attempt.fullname }}</h2>
+                            <p *ngIf="attempt.timemodified">{{attempt.timemodified * 1000 | coreFormatDate }}</p>
+                        </ion-label>
+                    </ion-item>
+
+                    <!-- Button and spinner to show more attempts. -->
+                    <ion-button *ngIf="responses.responses.canLoadMore && !loadingMore" class="ion-margin" expand="block"
+                        (click)="loadAttempts()">
+                        {{ 'core.loadmore' | translate }}
+                    </ion-button>
+                    <ion-item *ngIf="responses.responses.canLoadMore && loadingMore" class="ion-text-center">
+                        <ion-label><ion-spinner></ion-spinner></ion-label>
+                    </ion-item>
+                </ng-container>
+
+                <ng-container *ngIf="responses.anonResponses.total > 0">
+                    <ion-item-divider>
+                        <ion-label>
+                            {{ 'addon.mod_feedback.anonymous_entries' |translate : {$a: responses.anonResponses.total } }}
+                        </ion-label>
+                    </ion-item-divider>
+                    <ion-item *ngFor="let attempt of responses.anonResponses.attempts" class="ion-text-wrap" tappable detail="true"
+                        (click)="responses.select(attempt)" [class.core-selected-item]="responses.isSelected(attempt)">
+                        <ion-label>
+                            <h2>{{ 'addon.mod_feedback.response_nr' |translate }}: {{attempt.number}}</h2>
+                        </ion-label>
+                    </ion-item>
+
+                    <!-- Button and spinner to show more attempts. -->
+                    <ion-button *ngIf="responses.anonResponses.canLoadMore && !loadingMore" class="ion-margin" expand="block"
+                        (click)="loadAttempts()">
+                        {{ 'core.loadmore' | translate }}
+                    </ion-button>
+                    <ion-item *ngIf="responses.anonResponses.canLoadMore && loadingMore" class="ion-text-center">
+                        <ion-label><ion-spinner></ion-spinner></ion-label>
+                    </ion-item>
+                </ng-container>
+            </ion-list>
+        </core-loading>
+    </core-split-view>
+</ion-content>

src/addons/mod/feedback/pages/respondents/respondents.ts

@@ -0,0 +1,248 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { AfterViewInit, Component, ViewChild } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { CorePageItemsListManager } from '@classes/page-items-list-manager';
+import { CoreSplitViewComponent } from '@components/split-view/split-view';
+import { IonRefresher } from '@ionic/angular';
+import { CoreGroupInfo, CoreGroups } from '@services/groups';
+import { CoreNavigator } from '@services/navigator';
+import { CoreDomUtils } from '@services/utils/dom';
+import { CoreUtils } from '@services/utils/utils';
+import {
+    AddonModFeedback,
+    AddonModFeedbackWSAnonAttempt,
+    AddonModFeedbackWSAttempt,
+    AddonModFeedbackWSFeedback,
+} from '../../services/feedback';
+import { AddonModFeedbackHelper, AddonModFeedbackResponsesAnalysis } from '../../services/feedback-helper';
+
+/**
+ * Page that displays feedback respondents.
+ */
+@Component({
+    selector: 'page-addon-mod-feedback-respondents',
+    templateUrl: 'respondents.html',
+})
+export class AddonModFeedbackRespondentsPage implements AfterViewInit {
+
+    @ViewChild(CoreSplitViewComponent) splitView!: CoreSplitViewComponent;
+
+    protected cmId!: number;
+    protected courseId!: number;
+    protected page = 0;
+    protected feedback?: AddonModFeedbackWSFeedback;
+
+    responses: AddonModFeedbackResponsesManager;
+    selectedGroup!: number;
+    groupInfo?: CoreGroupInfo;
+    loaded = false;
+    loadingMore = false;
+
+    constructor(
+        route: ActivatedRoute,
+    ) {
+        this.responses = new AddonModFeedbackResponsesManager(
+            route.component,
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async ngAfterViewInit(): Promise<void> {
+        this.cmId = CoreNavigator.getRouteNumberParam('cmId')!;
+        this.courseId = CoreNavigator.getRouteNumberParam('courseId')!;
+        this.selectedGroup = CoreNavigator.getRouteNumberParam('group') || 0;
+
+        await this.fetchData();
+
+        this.responses.start(this.splitView);
+    }
+
+    /**
+     * Fetch all the data required for the view.
+     *
+     * @param refresh Empty events array first.
+     * @return Promise resolved when done.
+     */
+    async fetchData(refresh: boolean = false): Promise<void> {
+        this.page = 0;
+        this.responses.resetItems();
+
+        try {
+            this.feedback = await AddonModFeedback.getFeedback(this.courseId, this.cmId);
+
+            this.groupInfo = await CoreGroups.getActivityGroupInfo(this.cmId);
+
+            this.selectedGroup = CoreGroups.validateGroupId(this.selectedGroup, this.groupInfo);
+
+            await this.loadGroupAttempts(this.selectedGroup);
+        } catch (error) {
+            CoreDomUtils.showErrorModalDefault(error, 'core.course.errorgetmodule', true);
+
+            if (!refresh) {
+                // Some call failed on first fetch, go back.
+                CoreNavigator.back();
+            }
+        }
+    }
+
+    /**
+     * Load Group attempts.
+     *
+     * @param groupId If defined it will change group if not, it will load more attempts for the same group.
+     * @return Resolved with the attempts loaded.
+     */
+    protected async loadGroupAttempts(groupId?: number): Promise<void> {
+        if (typeof groupId == 'undefined') {
+            this.page++;
+            this.loadingMore = true;
+        } else {
+            this.selectedGroup = groupId;
+            this.page = 0;
+            this.responses.resetItems();
+        }
+
+        try {
+            const responses = await AddonModFeedbackHelper.getResponsesAnalysis(this.feedback!.id, {
+                groupId: this.selectedGroup,
+                page: this.page,
+                cmId: this.cmId,
+            });
+
+            this.responses.setResponses(responses);
+        } finally {
+            this.loadingMore = false;
+            this.loaded = true;
+        }
+    }
+
+    /**
+     * Change selected group or load more attempts.
+     *
+     * @param groupId Group ID selected. If not defined, it will load more attempts.
+     */
+    async loadAttempts(groupId?: number): Promise<void> {
+        try {
+            await this.loadGroupAttempts(groupId);
+        } catch (error) {
+            CoreDomUtils.showErrorModalDefault(error, 'core.course.errorgetmodule', true);
+        }
+    }
+
+    /**
+     * Refresh the attempts.
+     *
+     * @param refresher Refresher.
+     */
+    async refreshFeedback(refresher: IonRefresher): Promise<void> {
+        const promises: Promise<void>[] = [];
+
+        promises.push(CoreGroups.invalidateActivityGroupInfo(this.cmId));
+        if (this.feedback) {
+            promises.push(AddonModFeedback.invalidateResponsesAnalysisData(this.feedback.id));
+        }
+
+        try {
+            await CoreUtils.ignoreErrors(Promise.all(promises));
+
+            await this.fetchData(true);
+        } finally {
+            refresher.complete();
+        }
+    }
+
+}
+
+/**
+ * Type of items that can be held by the entries manager.
+ */
+type EntryItem = AddonModFeedbackWSAttempt | AddonModFeedbackWSAnonAttempt;
+
+/**
+ * Entries manager.
+ */
+class AddonModFeedbackResponsesManager extends CorePageItemsListManager<EntryItem> {
+
+    responses: AddonModFeedbackResponses = {
+        attempts: [],
+        total: 0,
+        canLoadMore: false,
+    };
+
+    anonResponses: AddonModFeedbackAnonResponses = {
+        attempts: [],
+        total: 0,
+        canLoadMore: false,
+    };
+
+    constructor(pageComponent: unknown) {
+        super(pageComponent);
+    }
+
+    /**
+     * Update responses.
+     *
+     * @param responses Responses.
+     */
+    setResponses(responses: AddonModFeedbackResponsesAnalysis): void {
+        this.responses.total = responses.totalattempts;
+        this.anonResponses.total = responses.totalanonattempts;
+
+        if (this.anonResponses.attempts.length < responses.totalanonattempts) {
+            this.anonResponses.attempts = this.anonResponses.attempts.concat(responses.anonattempts);
+        }
+        if (this.responses.attempts.length < responses.totalattempts) {
+            this.responses.attempts = this.responses.attempts.concat(responses.attempts);
+        }
+
+        this.anonResponses.canLoadMore = this.anonResponses.attempts.length < responses.totalanonattempts;
+        this.responses.canLoadMore = this.responses.attempts.length < responses.totalattempts;
+
+        this.setItems((<EntryItem[]> this.responses.attempts).concat(this.anonResponses.attempts));
+    }
+
+    /**
+     * @inheritdoc
+     */
+    resetItems(): void {
+        super.resetItems();
+        this.responses.total = 0;
+        this.responses.attempts = [];
+        this.anonResponses.total = 0;
+        this.anonResponses.attempts = [];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected getItemPath(entry: EntryItem): string {
+        return `attempt/${entry.id}`;
+    }
+
+}
+
+type AddonModFeedbackResponses = {
+    attempts: AddonModFeedbackWSAttempt[];
+    total: number;
+    canLoadMore: boolean;
+};
+
+type AddonModFeedbackAnonResponses = {
+    attempts: AddonModFeedbackWSAnonAttempt[];
+    total: number;
+    canLoadMore: boolean;
+};

src/addons/mod/feedback/services/database/feedback.ts

@@ -0,0 +1,63 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CoreSiteSchema } from '@services/sites';
+
+/**
+ * Database variables for AddonModFeedbackOfflineProvider.
+ */
+export const FEEDBACK_TABLE_NAME = 'addon_mod_feedback_answers';
+export const OFFLINE_SITE_SCHEMA: CoreSiteSchema = {
+    name: 'AddonModFeedbackOfflineProvider',
+    version: 1,
+    tables: [
+        {
+            name: FEEDBACK_TABLE_NAME,
+            columns: [
+                {
+                    name: 'feedbackid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'page',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'courseid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'responses',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'timemodified',
+                    type: 'INTEGER',
+                },
+            ],
+            primaryKeys: ['feedbackid', 'page'],
+        },
+    ],
+};
+
+/**
+ * Response data.
+ */
+export type AddonModFeedbackResponseDBRecord = {
+    feedbackid: number;
+    page: number;
+    courseid: number;
+    responses: string;
+    timemodified: number;
+};

src/addons/mod/feedback/services/feedback-helper.ts

@@ -0,0 +1,585 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreCourse } from '@features/course/services/course';
+import { CoreUser } from '@features/user/services/user';
+import { CoreNavigator } from '@services/navigator';
+import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
+import { CoreDomUtils } from '@services/utils/dom';
+import { CoreTextUtils } from '@services/utils/text';
+import { CoreTimeUtils } from '@services/utils/time';
+import { CoreUtils } from '@services/utils/utils';
+import { makeSingleton, Translate } from '@singletons';
+import {
+    AddonModFeedback,
+    AddonModFeedbackGetNonRespondentsWSResponse,
+    AddonModFeedbackGetResponsesAnalysisWSResponse,
+    AddonModFeedbackGroupPaginatedOptions,
+    AddonModFeedbackItem,
+    AddonModFeedbackProvider,
+    AddonModFeedbackResponseValue,
+    AddonModFeedbackWSAttempt,
+    AddonModFeedbackWSNonRespondent,
+} from './feedback';
+import { AddonModFeedbackModuleHandlerService } from './handlers/module';
+
+const MODE_RESPONSETIME = 1;
+const MODE_COURSE = 2;
+const MODE_CATEGORY = 3;
+
+/**
+ * Service that provides helper functions for feedbacks.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackHelperProvider {
+
+    /**
+     * Retrieves a list of students who didn't submit the feedback with extra info.
+     *
+     * @param feedbackId Feedback ID.
+     * @param options Other options.
+     * @return Promise resolved when the info is retrieved.
+     */
+    async getNonRespondents(
+        feedbackId: number,
+        options: AddonModFeedbackGroupPaginatedOptions = {},
+    ): Promise<AddonModFeedbackGetNonRespondents> {
+        const responses: AddonModFeedbackGetNonRespondents = await AddonModFeedback.getNonRespondents(feedbackId, options);
+
+        responses.users = await this.addImageProfile(responses.users);
+
+        return responses;
+    }
+
+    /**
+     * Get page items responses to be sent.
+     *
+     * @param items Items where the values are.
+     * @return Responses object to be sent.
+     */
+    getPageItemsResponses(items: AddonModFeedbackFormItem[]): Record<string, AddonModFeedbackResponseValue> {
+        const responses: Record<string, AddonModFeedbackResponseValue> = {};
+
+        items.forEach((itemData) => {
+            let answered = false;
+            itemData.hasError = false;
+
+            if (itemData.typ == 'captcha') {
+                const value = itemData.value || '';
+                const name = itemData.typ + '_' + itemData.id;
+
+                answered = !!value;
+                responses[name] = 1;
+                responses['g-recaptcha-response'] = value;
+                responses['recaptcha_element'] = 'dummyvalue';
+
+                if (itemData.required && !answered) {
+                    // Check if it has any value.
+                    itemData.isEmpty = true;
+                } else {
+                    itemData.isEmpty = false;
+                }
+            } else if (itemData.hasvalue) {
+                let name: string;
+                let value: AddonModFeedbackResponseValue;
+                const nameTemp = itemData.typ + '_' + itemData.id;
+
+                if (this.isMultiChoiceItem(itemData) && itemData.subtype == 'c') {
+                    name = nameTemp + '[0]';
+                    responses[name] = 0;
+                    itemData.choices.forEach((choice, index) => {
+                        name = nameTemp + '[' + (index + 1) + ']';
+                        value = choice.checked ? choice.value : 0;
+                        if (!answered && value) {
+                            answered = true;
+                        }
+                        responses[name] = value;
+                    });
+                } else {
+                    if (this.isMultiChoiceItem(itemData) && itemData.subtype != 'r') {
+                        name = nameTemp + '[0]';
+                    } else {
+                        name = nameTemp;
+                    }
+
+                    if (itemData.typ == 'multichoice' || itemData.typ == 'multichoicerated') {
+                        value = itemData.value || 0;
+                    } else if (this.isNumericItem(itemData)) {
+                        value = itemData.value || itemData.value  == 0 ? itemData.value : '';
+
+                        if (value != '') {
+                            if ((itemData.rangefrom != '' && value < itemData.rangefrom) ||
+                                    (itemData.rangeto != '' && value > itemData.rangeto)) {
+                                itemData.hasError = true;
+                            }
+                        }
+                    } else {
+                        value = itemData.value || itemData.value  == 0 ? itemData.value : '';
+                    }
+
+                    answered = !!value;
+                    responses[name] = value;
+                }
+
+                if (itemData.required && !answered) {
+                    // Check if it has any value.
+                    itemData.isEmpty = true;
+                } else {
+                    itemData.isEmpty = false;
+                }
+            }
+        });
+
+        return responses;
+    }
+
+    /**
+     * Returns the feedback user responses with extra info.
+     *
+     * @param feedbackId Feedback ID.
+     * @param options Other options.
+     * @return Promise resolved when the info is retrieved.
+     */
+    async getResponsesAnalysis(
+        feedbackId: number,
+        options: AddonModFeedbackGroupPaginatedOptions = {},
+    ): Promise<AddonModFeedbackResponsesAnalysis> {
+        const responses: AddonModFeedbackResponsesAnalysis = await AddonModFeedback.getResponsesAnalysis(feedbackId, options);
+
+        responses.attempts = await this.addImageProfile(responses.attempts);
+
+        return responses;
+    }
+
+    /**
+     * Handle a show entries link.
+     *
+     * @param params URL params.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved when done.
+     */
+    async handleShowEntriesLink(params: Record<string, string>, siteId?: string): Promise<void> {
+        siteId = siteId || CoreSites.getCurrentSiteId();
+
+        const modal = await CoreDomUtils.showModalLoading();
+
+        try {
+            const module = await CoreCourse.getModuleBasicInfo(Number(params.id), siteId);
+
+            if (typeof params.showcompleted == 'undefined') {
+                // Param showcompleted not defined. Show entry list.
+                await CoreNavigator.navigateToSitePath(
+                    AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${module.course}/${module.id}/respondents`,
+                    { siteId },
+                );
+
+                return;
+            }
+
+            const attempt = await AddonModFeedback.getAttempt(module.instance, Number(params.showcompleted), {
+                cmId: module.id,
+                readingStrategy: CoreSitesReadingStrategy.OnlyNetwork,
+                siteId,
+            });
+
+            await CoreNavigator.navigateToSitePath(
+                AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${module.course}/${module.id}/attempt/${attempt.id}`,
+                {
+                    params: {
+                        feedbackId: module.instance,
+                        attempt: attempt,
+                    },
+                    siteId,
+                },
+            );
+        } catch (error) {
+            CoreDomUtils.showErrorModalDefault(error, 'Error opening link.');
+        } finally {
+            modal.dismiss();
+        }
+    }
+
+    /**
+     * Add Image profile url field on some entries.
+     *
+     * @param entries Entries array to get profile from.
+     * @return Returns the same array with the profileimageurl added if found.
+     */
+    protected async addImageProfile(entries: AddonModFeedbackWSAttempt[]): Promise<AddonModFeedbackAttempt[]>;
+    protected async addImageProfile(entries: AddonModFeedbackWSNonRespondent[]): Promise<AddonModFeedbackNonRespondent[]>;
+    protected async addImageProfile(
+        entries: (AddonModFeedbackWSAttempt | AddonModFeedbackWSNonRespondent)[],
+    ): Promise<(AddonModFeedbackAttempt | AddonModFeedbackNonRespondent)[]> {
+        return await Promise.all(entries.map(async (entry: AddonModFeedbackAttempt | AddonModFeedbackNonRespondent) => {
+            try {
+                const user = await CoreUser.getProfile(entry.userid, entry.courseid, true);
+
+                entry.profileimageurl = user.profileimageurl;
+            } catch {
+                // Error getting profile, resolve promise without adding any extra data.
+            }
+
+            return entry;
+        }));
+    }
+
+    /**
+     * Helper funtion for item type Label.
+     *
+     * @param item Item to process.
+     * @return Item processed to show form.
+     */
+    protected getItemFormLabel(item: AddonModFeedbackItem): AddonModFeedbackFormBasicItem {
+        item.name = '';
+        item.presentation = CoreTextUtils.replacePluginfileUrls(item.presentation, item.itemfiles);
+
+        return Object.assign(item, {
+            templateName: 'label',
+            value: '',
+            hasTextInput: false,
+        });
+    }
+
+    /**
+     * Helper funtion for item type Info.
+     *
+     * @param item Item to process.
+     * @return Item processed to show form.
+     */
+    protected getItemFormInfo(item: AddonModFeedbackItem): AddonModFeedbackFormBasicItem | undefined {
+        const formItem: AddonModFeedbackFormBasicItem = Object.assign(item, {
+            templateName: 'label',
+            value: '',
+            hasTextInput: false,
+        });
+
+        const type = parseInt(formItem.presentation, 10);
+
+        if (type == MODE_COURSE || type == MODE_CATEGORY) {
+            formItem.presentation = formItem.otherdata;
+            formItem.value = typeof formItem.rawValue != 'undefined' ? formItem.rawValue : formItem.otherdata;
+        } else if (type == MODE_RESPONSETIME) {
+            formItem.value = '__CURRENT__TIMESTAMP__';
+
+            const rawValue = Number(formItem.rawValue);
+            const tempValue = isNaN(rawValue) ? Date.now() : rawValue * 1000;
+            formItem.presentation = CoreTimeUtils.userDate(tempValue);
+        } else {
+            // Errors on item, return false.
+            return undefined;
+        }
+
+        return formItem;
+    }
+
+    /**
+     * Helper funtion for item type Numeric.
+     *
+     * @param item Item to process.
+     * @return Item processed to show form.
+     */
+    protected getItemFormNumeric(item: AddonModFeedbackItem): AddonModFeedbackNumericItem {
+
+        const range = item.presentation.split(AddonModFeedbackProvider.LINE_SEP) || [];
+        const rangeFrom = range.length > 0 ? parseInt(range[0], 10) : undefined;
+        const rangeTo = range.length > 1 ? parseInt(range[1], 10) : undefined;
+
+        const formItem: AddonModFeedbackNumericItem = Object.assign(item, {
+            templateName: 'numeric',
+            value: typeof item.rawValue != 'undefined' ? Number(item.rawValue) : '',
+            rangefrom: typeof rangeFrom == 'number' && !isNaN(rangeFrom) ? range[0] : '',
+            rangeto: typeof rangeTo == 'number' && !isNaN(rangeTo) ? rangeTo : '',
+            hasTextInput: true,
+        });
+        formItem.postfix = this.getNumericBoundariesForDisplay(formItem.rangefrom, formItem.rangeto);
+
+        return formItem;
+    }
+
+    /**
+     * Helper funtion for item type Text field.
+     *
+     * @param item Item to process.
+     * @return Item processed to show form.
+     */
+    protected getItemFormTextfield(item: AddonModFeedbackItem): AddonModFeedbackTextItem {
+        return Object.assign(item, {
+            templateName: 'textfield',
+            length: Number(item.presentation.split(AddonModFeedbackProvider.LINE_SEP)[1]) || 255,
+            value: typeof item.rawValue != 'undefined' ? item.rawValue : '',
+            hasTextInput: true,
+        });
+    }
+
+    /**
+     * Helper funtion for item type Textarea.
+     *
+     * @param item Item to process.
+     * @return Item processed to show form.
+     */
+    protected getItemFormTextarea(item: AddonModFeedbackItem): AddonModFeedbackFormBasicItem {
+        return Object.assign(item, {
+            templateName: 'textarea',
+            value: typeof item.rawValue != 'undefined' ? item.rawValue : '',
+            hasTextInput: true,
+        });
+    }
+
+    /**
+     * Helper funtion for item type Multichoice.
+     *
+     * @param item Item to process.
+     * @return Item processed to show form.
+     */
+    protected getItemFormMultichoice(item: AddonModFeedbackItem): AddonModFeedbackMultichoiceItem {
+
+        let parts = item.presentation.split(AddonModFeedbackProvider.MULTICHOICE_TYPE_SEP) || [];
+        const subType = parts.length > 0 && parts[0] ? parts[0] : 'r';
+
+        const formItem: AddonModFeedbackMultichoiceItem = Object.assign(item, {
+            templateName: 'multichoice-' + subType,
+            subtype: subType,
+            value: '',
+            choices: [],
+            hasTextInput: false,
+        });
+
+        formItem.presentation = parts.length > 1 ? parts[1] : '';
+        if (formItem.subtype != 'd') {
+            parts = formItem.presentation.split(AddonModFeedbackProvider.MULTICHOICE_ADJUST_SEP) || [];
+            formItem.presentation = parts.length > 0 ? parts[0] : '';
+            // Horizontal are not supported right now. item.horizontal = parts.length > 1 && !!parts[1];
+        }
+
+        const choices = formItem.presentation.split(AddonModFeedbackProvider.LINE_SEP) || [];
+        formItem.choices = choices.map((choice, index) => {
+            const weightValue = choice.split(AddonModFeedbackProvider.MULTICHOICERATED_VALUE_SEP) || [''];
+            choice = weightValue.length == 1 ? weightValue[0] : '(' + weightValue[0] + ') ' + weightValue[1];
+
+            return { value: index + 1, label: choice };
+        });
+
+        if (formItem.subtype === 'r' && formItem.options.search(AddonModFeedbackProvider.MULTICHOICE_HIDENOSELECT) == -1) {
+            formItem.choices.unshift({ value: 0, label: Translate.instant('addon.mod_feedback.not_selected') });
+            formItem.value = typeof formItem.rawValue != 'undefined' ? Number(formItem.rawValue) : 0;
+        } else if (formItem.subtype === 'd') {
+            formItem.choices.unshift({ value: 0, label: '' });
+            formItem.value = typeof formItem.rawValue != 'undefined' ? Number(formItem.rawValue) : 0;
+        } else if (formItem.subtype === 'c') {
+            if (typeof formItem.rawValue != 'undefined') {
+                formItem.rawValue = String(formItem.rawValue);
+                const values = formItem.rawValue.split(AddonModFeedbackProvider.LINE_SEP);
+                formItem.choices.forEach((choice) => {
+                    for (const x in values) {
+                        if (choice.value == Number(values[x])) {
+                            choice.checked = true;
+
+                            return;
+                        }
+                    }
+                });
+            }
+        } else {
+            formItem.value = typeof formItem.rawValue != 'undefined' ? Number(formItem.rawValue) : '';
+        }
+
+        return formItem;
+    }
+
+    /**
+     * Helper funtion for item type Captcha.
+     *
+     * @param item Item to process.
+     * @return Item processed to show form.
+     */
+    protected getItemFormCaptcha(item: AddonModFeedbackItem): AddonModFeedbackCaptchaItem {
+        const formItem: AddonModFeedbackCaptchaItem = Object.assign(item, {
+            templateName: 'captcha',
+            value: '',
+            hasTextInput: false,
+        });
+
+        const data = <string[]> CoreTextUtils.parseJSON(item.otherdata);
+        if (data && data.length > 3) {
+            formItem.captcha = {
+                recaptchapublickey: data[3],
+            };
+        }
+
+        return formItem;
+    }
+
+    /**
+     * Process and returns item to print form.
+     *
+     * @param item Item to process.
+     * @param preview Previewing options.
+     * @return Item processed to show form.
+     */
+    getItemForm(item: AddonModFeedbackItem, preview: boolean): AddonModFeedbackFormItem | undefined {
+        switch (item.typ) {
+            case 'label':
+                return this.getItemFormLabel(item);
+            case 'info':
+                return this.getItemFormInfo(item);
+            case 'numeric':
+                return this.getItemFormNumeric(item);
+            case 'textfield':
+                return this.getItemFormTextfield(item);
+            case 'textarea':
+                return this.getItemFormTextarea(item);
+            case 'multichoice':
+                return this.getItemFormMultichoice(item);
+            case 'multichoicerated':
+                return this.getItemFormMultichoice(item);
+            case 'pagebreak':
+                if (!preview) {
+                    // Pagebreaks are only used on preview.
+                    return undefined;
+                }
+                break;
+            case 'captcha':
+                // Captcha is not supported right now. However label will be shown.
+                return this.getItemFormCaptcha(item);
+            default:
+                return undefined;
+        }
+    }
+
+    /**
+     * Returns human-readable boundaries (min - max).
+     * Based on Moodle's get_boundaries_for_display.
+     *
+     * @param rangeFrom Range from.
+     * @param rangeTo Range to.
+     * @return Human-readable boundaries.
+     */
+    protected getNumericBoundariesForDisplay(rangeFrom: number | string, rangeTo: number | string): string {
+        const rangeFromSet = typeof rangeFrom == 'number';
+        const rangeToSet = typeof rangeTo == 'number';
+
+        if (!rangeFromSet && rangeToSet) {
+            return ' (' + Translate.instant('addon.mod_feedback.maximal') + ': ' + CoreUtils.formatFloat(rangeTo) + ')';
+        } else if (rangeFromSet && !rangeToSet) {
+            return ' (' + Translate.instant('addon.mod_feedback.minimal') + ': ' + CoreUtils.formatFloat(rangeFrom) + ')';
+        } else if (!rangeFromSet && !rangeToSet) {
+            return '';
+        }
+
+        return ' (' + CoreUtils.formatFloat(rangeFrom) + ' - ' + CoreUtils.formatFloat(rangeTo) + ')';
+    }
+
+    /**
+     * Check if a form item is multichoice.
+     *
+     * @param item Item.
+     * @return Whether item is multichoice.
+     */
+    protected isMultiChoiceItem(item: AddonModFeedbackFormItem): item is AddonModFeedbackMultichoiceItem {
+        return item.typ == 'multichoice';
+    }
+
+    /**
+     * Check if a form item is numeric.
+     *
+     * @param item Item.
+     * @return Whether item is numeric.
+     */
+    protected isNumericItem(item: AddonModFeedbackFormItem): item is AddonModFeedbackNumericItem {
+        return item.typ == 'numeric';
+    }
+
+}
+
+export const AddonModFeedbackHelper = makeSingleton(AddonModFeedbackHelperProvider);
+
+/**
+ * Attempt with some calculated data.
+ */
+export type AddonModFeedbackAttempt = AddonModFeedbackWSAttempt & {
+    profileimageurl?: string;
+};
+
+/**
+ * Non respondent with some calculated data.
+ */
+export type AddonModFeedbackNonRespondent = AddonModFeedbackWSNonRespondent & {
+    profileimageurl?: string;
+};
+
+/**
+ * Non respondents with some calculated data.
+ */
+export type AddonModFeedbackResponsesAnalysis = Omit<AddonModFeedbackGetResponsesAnalysisWSResponse, 'attempts'> & {
+    attempts: AddonModFeedbackAttempt[];
+};
+
+/**
+ * Non respondents with some calculated data.
+ */
+export type AddonModFeedbackGetNonRespondents = Omit<AddonModFeedbackGetNonRespondentsWSResponse, 'users'> & {
+    users: AddonModFeedbackNonRespondent[];
+};
+
+/**
+ * Item with form data.
+ */
+export type AddonModFeedbackFormItem =
+    AddonModFeedbackFormBasicItem | AddonModFeedbackNumericItem | AddonModFeedbackTextItem | AddonModFeedbackMultichoiceItem |
+    AddonModFeedbackCaptchaItem;
+
+/**
+ * Common calculated data for all form items.
+ */
+export type AddonModFeedbackFormBasicItem = AddonModFeedbackItem & {
+    templateName: string;
+    value: AddonModFeedbackResponseValue;
+    hasTextInput: boolean;
+    isEmpty?: boolean;
+    hasError?: boolean;
+};
+
+/**
+ * Numeric item.
+ */
+export type AddonModFeedbackNumericItem = AddonModFeedbackFormBasicItem & {
+    rangefrom: number | string;
+    rangeto: number | string;
+    postfix?: string;
+};
+
+/**
+ * Text item.
+ */
+export type AddonModFeedbackTextItem = AddonModFeedbackFormBasicItem & {
+    length: number;
+};
+
+/**
+ * Multichoice item.
+ */
+export type AddonModFeedbackMultichoiceItem = AddonModFeedbackFormBasicItem & {
+    subtype: string;
+    choices: { value: number; label: string; checked?: boolean }[];
+};
+
+/**
+ * Captcha item.
+ */
+export type AddonModFeedbackCaptchaItem = AddonModFeedbackFormBasicItem & {
+    captcha?: {
+        recaptchapublickey: string;
+    };
+};

src/addons/mod/feedback/services/feedback-offline.ts

@@ -0,0 +1,162 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreSites } from '@services/sites';
+import { CoreTextUtils } from '@services/utils/text';
+import { CoreTimeUtils } from '@services/utils/time';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedbackResponseDBRecord, FEEDBACK_TABLE_NAME } from './database/feedback';
+import { AddonModFeedbackResponseValue } from './feedback';
+
+/**
+ * Service to handle offline feedback.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackOfflineProvider {
+
+    /**
+     * Delete the stored for a certain feedback page.
+     *
+     * @param feedbackId Feedback ID.
+     * @param page Page of the form to delete responses from.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved if deleted, rejected if failure.
+     */
+    async deleteFeedbackPageResponses(feedbackId: number, page: number, siteId?: string): Promise<void> {
+        const site = await CoreSites.getSite(siteId);
+
+        await site.getDb().deleteRecords(FEEDBACK_TABLE_NAME, <Partial<AddonModFeedbackResponseDBRecord>> {
+            feedbackid: feedbackId,
+            page: page,
+        });
+    }
+
+    /**
+     * Get all the stored feedback responses data from all the feedback.
+     *
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved with entries.
+     */
+    async getAllFeedbackResponses(siteId?: string): Promise<AddonModFeedbackOfflineResponse[]> {
+        const site = await CoreSites.getSite(siteId);
+
+        const entries = await site.getDb().getAllRecords<AddonModFeedbackResponseDBRecord>(FEEDBACK_TABLE_NAME);
+
+        return entries.map(entry => this.parseResponse(entry));
+    }
+
+    /**
+     * Get all the stored responses from a certain feedback.
+     *
+     * @param feedbackId Feedback ID.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved with responses.
+     */
+    async getFeedbackResponses(feedbackId: number, siteId?: string): Promise<AddonModFeedbackOfflineResponse[]> {
+        const site = await CoreSites.getSite(siteId);
+
+        const entries = await site.getDb().getRecords<AddonModFeedbackResponseDBRecord>(FEEDBACK_TABLE_NAME, {
+            feedbackid: feedbackId,
+        });
+
+        return entries.map(entry => this.parseResponse(entry));
+    }
+
+    /**
+     * Get the stored responses for a certain feedback page.
+     *
+     * @param feedbackId Feedback ID.
+     * @param page Page of the form to get responses from.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved with responses.
+     */
+    async getFeedbackPageResponses(feedbackId: number, page: number, siteId?: string): Promise<AddonModFeedbackOfflineResponse> {
+        const site = await CoreSites.getSite(siteId);
+
+        const conditions: Partial<AddonModFeedbackResponseDBRecord> = {
+            feedbackid: feedbackId,
+            page: page,
+        };
+
+        const entry = await site.getDb().getRecord<AddonModFeedbackResponseDBRecord>(FEEDBACK_TABLE_NAME, conditions);
+
+        return this.parseResponse(entry);
+    }
+
+    /**
+     * Get if the feedback have something to be synced.
+     *
+     * @param feedbackId Feedback ID.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved with true if the feedback have something to be synced.
+     */
+    async hasFeedbackOfflineData(feedbackId: number, siteId?: string): Promise<boolean> {
+        const responses = await this.getFeedbackResponses(feedbackId, siteId);
+
+        return !!responses.length;
+    }
+
+    /**
+     * Parse "options" and "attachments" columns of a fetched record.
+     *
+     * @param records Record object
+     * @return Record object with columns parsed.
+     */
+    protected parseResponse(record: AddonModFeedbackResponseDBRecord): AddonModFeedbackOfflineResponse {
+        return Object.assign(record, {
+            responses: <Record<string, AddonModFeedbackResponseValue>> CoreTextUtils.parseJSON(record.responses),
+        });
+    }
+
+    /**
+     * Save page responses to be sent later.
+     *
+     * @param feedbackId Feedback ID.
+     * @param page The page being processed.
+     * @param responses The data to be processed the key is the field name (usually type[index]_id)
+     * @param courseId Course ID the feedback belongs to.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved if stored, rejected if failure.
+     */
+    async saveResponses(
+        feedbackId: number,
+        page: number,
+        responses: Record<string, AddonModFeedbackResponseValue>,
+        courseId: number,
+        siteId?: string,
+    ): Promise<void> {
+        const site = await CoreSites.getSite(siteId);
+
+        const entry: AddonModFeedbackResponseDBRecord = {
+            feedbackid: feedbackId,
+            page: page,
+            courseid: courseId,
+            responses: JSON.stringify(responses),
+            timemodified: CoreTimeUtils.timestamp(),
+        };
+
+        await site.getDb().insertRecord(FEEDBACK_TABLE_NAME, entry);
+    }
+
+}
+
+export const AddonModFeedbackOffline = makeSingleton(AddonModFeedbackOfflineProvider);
+
+/**
+ * Feedback offline response with parsed data.
+ */
+export type AddonModFeedbackOfflineResponse = Omit<AddonModFeedbackResponseDBRecord, 'responses'> & {
+    responses: Record<string, AddonModFeedbackResponseValue>;
+};

src/addons/mod/feedback/services/feedback-sync.ts

@@ -0,0 +1,305 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreSyncBlockedError } from '@classes/base-sync';
+import { CoreNetworkError } from '@classes/errors/network-error';
+import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
+import { CoreCourse, CoreCourseAnyModuleData } from '@features/course/services/course';
+import { CoreCourseLogHelper } from '@features/course/services/log-helper';
+import { CoreApp } from '@services/app';
+import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
+import { CoreSync } from '@services/sync';
+import { CoreUtils } from '@services/utils/utils';
+import { makeSingleton, Translate } from '@singletons';
+import { CoreEvents } from '@singletons/events';
+import { AddonModFeedback, AddonModFeedbackProvider, AddonModFeedbackWSFeedback } from './feedback';
+import { AddonModFeedbackOffline, AddonModFeedbackOfflineResponse } from './feedback-offline';
+import { AddonModFeedbackPrefetchHandler, AddonModFeedbackPrefetchHandlerService } from './handlers/prefetch';
+
+/**
+ * Service to sync feedbacks.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackSyncProvider extends CoreCourseActivitySyncBaseProvider<AddonModFeedbackSyncResult> {
+
+    static readonly AUTO_SYNCED = 'addon_mod_feedback_autom_synced';
+
+    protected componentTranslatableString = 'feedback';
+
+    constructor() {
+        super('AddonModFeedbackSyncProvider');
+    }
+
+    /**
+     * @inheritdoc
+     */
+    prefetchAfterUpdate(
+        prefetchHandler: AddonModFeedbackPrefetchHandlerService,
+        module: CoreCourseAnyModuleData,
+        courseId: number,
+        regex?: RegExp,
+        siteId?: string,
+    ): Promise<void> {
+        regex = regex || /^.*files$|^timers/;
+
+        return super.prefetchAfterUpdate(prefetchHandler, module, courseId, regex, siteId);
+    }
+
+    /**
+     * Try to synchronize all the feedbacks in a certain site or in all sites.
+     *
+     * @param siteId Site ID to sync. If not defined, sync all sites.
+     * @param force Wether to force sync not depending on last execution.
+     * @return Promise resolved if sync is successful, rejected if sync fails.
+     */
+    syncAllFeedbacks(siteId?: string, force?: boolean): Promise<void> {
+        return this.syncOnSites('all feedbacks', this.syncAllFeedbacksFunc.bind(this, !!force), siteId);
+    }
+
+    /**
+     * Sync all pending feedbacks on a site.
+     *
+     * @param force Wether to force sync not depending on last execution.
+     * @param siteId Site ID to sync. If not defined, sync all sites.
+     * @param Promise resolved if sync is successful, rejected if sync fails.
+     */
+    protected async syncAllFeedbacksFunc(force: boolean, siteId?: string): Promise<void> {
+        // Sync all new responses.
+        const responses = await AddonModFeedbackOffline.getAllFeedbackResponses(siteId);
+
+        // Do not sync same feedback twice.
+        const treated: Record<number, boolean> = {};
+
+        await Promise.all(responses.map(async (response) => {
+            if (treated[response.feedbackid]) {
+                return;
+            }
+
+            treated[response.feedbackid] = true;
+
+            const result = force ?
+                await this.syncFeedback(response.feedbackid, siteId) :
+                await this.syncFeedbackIfNeeded(response.feedbackid, siteId);
+
+            if (result?.updated) {
+                // Sync successful, send event.
+                CoreEvents.trigger(AddonModFeedbackSyncProvider.AUTO_SYNCED, {
+                    feedbackId: response.feedbackid,
+                    warnings: result.warnings,
+                }, siteId);
+            }
+        }));
+    }
+
+    /**
+     * Sync a feedback only if a certain time has passed since the last time.
+     *
+     * @param feedbackId Feedback ID.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved when the feedback is synced or if it doesn't need to be synced.
+     */
+    async syncFeedbackIfNeeded(feedbackId: number, siteId?: string): Promise<AddonModFeedbackSyncResult | undefined> {
+        siteId = siteId || CoreSites.getCurrentSiteId();
+
+        const needed = await this.isSyncNeeded(feedbackId, siteId);
+
+        if (needed) {
+            return this.syncFeedback(feedbackId, siteId);
+        }
+    }
+
+    /**
+     * Synchronize all offline responses of a feedback.
+     *
+     * @param feedbackId Feedback ID to be synced.
+     * @param siteId Site ID. If not defined, current site.
+     * @return Promise resolved if sync is successful, rejected otherwise.
+     */
+    syncFeedback(feedbackId: number, siteId?: string): Promise<AddonModFeedbackSyncResult> {
+        siteId = siteId || CoreSites.getCurrentSiteId();
+
+        if (this.isSyncing(feedbackId, siteId)) {
+            // There's already a sync ongoing for this feedback, return the promise.
+            return this.getOngoingSync(feedbackId, siteId)!;
+        }
+
+        // Verify that feedback isn't blocked.
+        if (CoreSync.isBlocked(AddonModFeedbackProvider.COMPONENT, feedbackId, siteId)) {
+            this.logger.debug(`Cannot sync feedback '${feedbackId}' because it is blocked.`);
+
+            throw new CoreSyncBlockedError(Translate.instant('core.errorsyncblocked', { $a: this.componentTranslate }));
+        }
+
+        this.logger.debug(`Try to sync feedback '${feedbackId}' in site ${siteId}'`);
+
+        return this.addOngoingSync(feedbackId, this.performSyncFeedback(feedbackId, siteId), siteId);
+    }
+
+    /**
+     * Perform the feedback sync.
+     *
+     * @param feedbackId Feedback ID.
+     * @param siteId Site ID.
+     * @return Promise resolved in success.
+     */
+    protected async performSyncFeedback(feedbackId: number, siteId: string): Promise<AddonModFeedbackSyncResult> {
+        const result: AddonModFeedbackSyncResult = {
+            warnings: [],
+            updated: false,
+        };
+
+        // Sync offline logs.
+        await CoreUtils.ignoreErrors(CoreCourseLogHelper.syncActivity(AddonModFeedbackProvider.COMPONENT, feedbackId, siteId));
+
+        // Get offline responses to be sent.
+        const responses = await CoreUtils.ignoreErrors(AddonModFeedbackOffline.getFeedbackResponses(feedbackId, siteId));
+
+        if (!responses || !responses.length) {
+            // Nothing to sync.
+            await CoreUtils.ignoreErrors(this.setSyncTime(feedbackId, siteId));
+
+            return result;
+        }
+
+        if (!CoreApp.isOnline()) {
+            // Cannot sync in offline.
+            throw new CoreNetworkError();
+        }
+
+        const courseId = responses[0].courseid;
+
+        const feedback = await AddonModFeedback.getFeedbackById(courseId, feedbackId, { siteId });
+
+        if (!feedback.multiple_submit) {
+            // If it does not admit multiple submits, check if it is completed to know if we can submit.
+            const isCompleted = await AddonModFeedback.isCompleted(feedbackId, { cmId: feedback.coursemodule, siteId });
+
+            if (isCompleted) {
+                // Cannot submit again, delete resposes.
+                await Promise.all(responses.map((data) =>
+                    AddonModFeedbackOffline.deleteFeedbackPageResponses(feedbackId, data.page, siteId)));
+
+                result.updated = true;
+                this.addOfflineDataDeletedWarning(
+                    result.warnings,
+                    feedback.name,
+                    Translate.instant('addon.mod_feedback.this_feedback_is_already_submitted'),
+                );
+
+                await CoreUtils.ignoreErrors(this.setSyncTime(feedbackId, siteId));
+
+                return result;
+            }
+        }
+
+        const timemodified = await AddonModFeedback.getCurrentCompletedTimeModified(feedbackId, {
+            readingStrategy: CoreSitesReadingStrategy.OnlyNetwork,
+            siteId,
+        });
+        // Sort by page.
+        responses.sort((a, b) => a.page - b.page);
+
+        const orderedData = responses.map((data) => ({
+            function: this.processPage.bind(this, feedback, data, siteId, timemodified, result),
+            blocking: true,
+        }));
+
+        // Execute all the processes in order to solve dependencies.
+        await CoreUtils.executeOrderedPromises(orderedData);
+
+        if (result.updated) {
+            // Data has been sent to server, update data.
+            try {
+                const module = await CoreCourse.getModuleBasicInfoByInstance(feedbackId, 'feedback', siteId);
+
+                await this.prefetchAfterUpdate(AddonModFeedbackPrefetchHandler.instance, module, courseId, undefined, siteId);
+            } catch {
+                // Ignore errors.
+            }
+        }
+
+        // Sync finished, set sync time.
+        await CoreUtils.ignoreErrors(this.setSyncTime(feedbackId, siteId));
+
+        return result;
+    }
+
+    /**
+     * Convenience function to sync process page calls.
+     *
+     * @param feedback Feedback object.
+     * @param data Response data.
+     * @param siteId Site Id.
+     * @param timemodified Current completed modification time.
+     * @param result Result object to be modified.
+     * @return Resolve when done or rejected with error.
+     */
+    protected async processPage(
+        feedback: AddonModFeedbackWSFeedback,
+        data: AddonModFeedbackOfflineResponse,
+        siteId: string,
+        timemodified: number,
+        result: AddonModFeedbackSyncResult,
+    ): Promise<void> {
+        // Delete all pages that are submitted before changing website.
+        if (timemodified > data.timemodified) {
+            return AddonModFeedbackOffline.deleteFeedbackPageResponses(feedback.id, data.page, siteId);
+        }
+
+        try {
+            await AddonModFeedback.processPageOnline(feedback.id, data.page, data.responses, false, siteId);
+
+            result.updated = true;
+
+            await AddonModFeedbackOffline.deleteFeedbackPageResponses(feedback.id, data.page, siteId);
+        } catch (error) {
+            if (!CoreUtils.isWebServiceError(error)) {
+                // Couldn't connect to server, reject.
+                throw error;
+            }
+
+            // The WebService has thrown an error, this means that responses cannot be submitted. Delete them.
+            result.updated = true;
+
+            await AddonModFeedbackOffline.deleteFeedbackPageResponses(feedback.id, data.page, siteId);
+
+            // Responses deleted, add a warning.
+            this.addOfflineDataDeletedWarning(
+                result.warnings,
+                feedback.name,
+                error,
+            );
+        }
+    }
+
+}
+
+export const AddonModFeedbackSync = makeSingleton(AddonModFeedbackSyncProvider);
+
+/**
+ * Data returned by a feedback sync.
+ */
+export type AddonModFeedbackSyncResult = {
+    warnings: string[]; // List of warnings.
+    updated: boolean; // Whether some data was sent to the server or offline data was updated.
+};
+
+/**
+ * Data passed to AUTO_SYNCED event.
+ */
+export type AddonModFeedbackAutoSyncData = {
+    feedbackId: number;
+    warnings: string[];
+};

src/addons/mod/feedback/services/handlers/analysis-link.ts

@@ -0,0 +1,92 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksHandlerBase } from '@features/contentlinks/classes/base-handler';
+import { CoreContentLinksAction } from '@features/contentlinks/services/contentlinks-delegate';
+import { CoreCourse } from '@features/course/services/course';
+import { CoreNavigator } from '@services/navigator';
+import { CoreDomUtils } from '@services/utils/dom';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+import { AddonModFeedbackModuleHandlerService } from './module';
+
+/**
+ * Content links handler for a feedback analysis.
+ * Match mod/feedback/analysis.php with a valid feedback id.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackAnalysisLinkHandlerService extends CoreContentLinksHandlerBase {
+
+    name = 'AddonModFeedbackAnalysisLinkHandler';
+    featureName = 'CoreCourseModuleDelegate_AddonModFeedback';
+    pattern = /\/mod\/feedback\/analysis\.php.*([&?]id=\d+)/;
+
+    /**
+     * @inheritdoc
+     */
+    getActions(siteIds: string[], url: string, params: Record<string, string>): CoreContentLinksAction[] {
+        return [{
+            action: async (siteId: string) => {
+                const modal = await CoreDomUtils.showModalLoading();
+
+                const moduleId = Number(params.id);
+
+                try {
+                    const moduleBasicInfo = await CoreCourse.getModuleBasicInfo(moduleId, siteId);
+
+                    // Get the module.
+                    const module = await CoreCourse.getModule(
+                        moduleId,
+                        moduleBasicInfo.course,
+                        moduleBasicInfo.section,
+                        false,
+                        false,
+                        siteId,
+                    );
+
+                    CoreNavigator.navigateToSitePath(
+                        AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${module.course}/${module.id}`,
+                        {
+                            params: {
+                                module,
+                                tab: 'analysis',
+                            },
+                            siteId,
+                        },
+                    );
+                } catch (error) {
+                    CoreDomUtils.showErrorModalDefault(error, 'Error opening link.');
+                } finally {
+                    modal.dismiss();
+                }
+            },
+        }];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async isEnabled(siteId: string, url: string, params: Record<string, string>): Promise<boolean> {
+        if (typeof params.id == 'undefined') {
+            // Cannot treat the URL.
+            return false;
+        }
+
+        return AddonModFeedback.isPluginEnabled(siteId);
+    }
+
+}
+
+export const AddonModFeedbackAnalysisLinkHandler = makeSingleton(AddonModFeedbackAnalysisLinkHandlerService);

src/addons/mod/feedback/services/handlers/complete-link.ts

@@ -0,0 +1,80 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksHandlerBase } from '@features/contentlinks/classes/base-handler';
+import { CoreContentLinksAction } from '@features/contentlinks/services/contentlinks-delegate';
+import { CoreCourse } from '@features/course/services/course';
+import { CoreNavigator } from '@services/navigator';
+import { CoreDomUtils } from '@services/utils/dom';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+import { AddonModFeedbackModuleHandlerService } from './module';
+
+/**
+ * Content links handler for feedback complete questions.
+ * Match mod/feedback/complete.php with a valid feedback id.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackCompleteLinkHandlerService extends CoreContentLinksHandlerBase {
+
+    name = 'AddonModFeedbackCompleteLinkHandler';
+    featureName = 'CoreCourseModuleDelegate_AddonModFeedback';
+    pattern = /\/mod\/feedback\/complete\.php.*([?&](id|gopage)=\d+)/;
+
+    /**
+     * @inheritdoc
+     */
+    getActions(siteIds: string[], url: string, params: Record<string, string>): CoreContentLinksAction[] {
+        return [{
+            action: async (siteId: string) => {
+                const modal = await CoreDomUtils.showModalLoading();
+
+                const moduleId = Number(params.id);
+
+                try {
+                    const module = await CoreCourse.getModuleBasicInfo(moduleId, siteId);
+
+                    CoreNavigator.navigateToSitePath(
+                        AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${module.course}/${module.id}/form`,
+                        {
+                            params: {
+                                page: typeof params.gopage != 'undefined' ? Number(params.gopage) : undefined,
+                            },
+                            siteId,
+                        },
+                    );
+                } catch (error) {
+                    CoreDomUtils.showErrorModalDefault(error, 'Error opening link.');
+                } finally {
+                    modal.dismiss();
+                }
+            },
+        }];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async isEnabled(siteId: string, url: string, params: Record<string, string>): Promise<boolean> {
+        if (typeof params.id == 'undefined') {
+            return false;
+        }
+
+        return AddonModFeedback.isPluginEnabled(siteId);
+    }
+
+}
+
+export const AddonModFeedbackCompleteLinkHandler = makeSingleton(AddonModFeedbackCompleteLinkHandlerService);

src/addons/mod/feedback/services/handlers/index-link.ts

@@ -0,0 +1,47 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksModuleIndexHandler } from '@features/contentlinks/classes/module-index-handler';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+
+/**
+ * Handler to treat links to feedback.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackIndexLinkHandlerService extends CoreContentLinksModuleIndexHandler {
+
+    name = 'AddonModFeedbackLinkHandler';
+
+    constructor() {
+        super('AddonModFeedback', 'feedback');
+    }
+
+    /**
+     * Check if the handler is enabled for a certain site (site + user) and a URL.
+     *
+     * @param siteId The site ID.
+     * @param url The URL to treat.
+     * @param params The params of the URL. E.g. 'mysite.com?id=1' -> {id: 1}
+     * @param courseId Course ID related to the URL. Optional but recommended.
+     * @return Whether the handler is enabled for the URL and site.
+     */
+    isEnabled(): Promise<boolean> {
+        return AddonModFeedback.isPluginEnabled();
+    }
+
+}
+
+export const AddonModFeedbackIndexLinkHandler = makeSingleton(AddonModFeedbackIndexLinkHandlerService);

src/addons/mod/feedback/services/handlers/list-link.ts

@@ -0,0 +1,41 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksModuleListHandler } from '@features/contentlinks/classes/module-list-handler';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+
+/**
+ * Handler to treat links to feedback list page.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackListLinkHandlerService extends CoreContentLinksModuleListHandler {
+
+    name = 'AddonModFeedbackListLinkHandler';
+
+    constructor() {
+        super('AddonModFeedback', 'feedback');
+    }
+
+    /**
+     * @inheritdoc
+     */
+    isEnabled(): Promise<boolean> {
+        return AddonModFeedback.isPluginEnabled();
+    }
+
+}
+
+export const AddonModFeedbackListLinkHandler = makeSingleton(AddonModFeedbackListLinkHandlerService);

src/addons/mod/feedback/services/handlers/module.ts

@@ -0,0 +1,84 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CoreConstants } from '@/core/constants';
+import { Injectable, Type } from '@angular/core';
+import { CoreCourse, CoreCourseAnyModuleData } from '@features/course/services/course';
+import { CoreCourseModule } from '@features/course/services/course-helper';
+import { CoreCourseModuleHandler, CoreCourseModuleHandlerData } from '@features/course/services/module-delegate';
+import { CoreNavigationOptions, CoreNavigator } from '@services/navigator';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+import { AddonModFeedbackIndexComponent } from '../../components/index';
+
+/**
+ * Handler to support feedback modules.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackModuleHandlerService implements CoreCourseModuleHandler {
+
+    static readonly PAGE_NAME = 'mod_feedback';
+
+    name = 'AddonModFeedback';
+    modName = 'feedback';
+
+    supportedFeatures = {
+        [CoreConstants.FEATURE_GROUPS]: true,
+        [CoreConstants.FEATURE_GROUPINGS]: true,
+        [CoreConstants.FEATURE_MOD_INTRO]: true,
+        [CoreConstants.FEATURE_COMPLETION_TRACKS_VIEWS]: true,
+        [CoreConstants.FEATURE_COMPLETION_HAS_RULES]: true,
+        [CoreConstants.FEATURE_GRADE_HAS_GRADE]: false,
+        [CoreConstants.FEATURE_GRADE_OUTCOMES]: false,
+        [CoreConstants.FEATURE_BACKUP_MOODLE2]: true,
+        [CoreConstants.FEATURE_SHOW_DESCRIPTION]: true,
+    };
+
+    /**
+     * @inheritdoc
+     */
+    isEnabled(): Promise<boolean> {
+        return AddonModFeedback.isPluginEnabled();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    getData(module: CoreCourseAnyModuleData): CoreCourseModuleHandlerData {
+        return {
+            icon: CoreCourse.getModuleIconSrc(this.modName, 'modicon' in module ? module.modicon : undefined),
+            title: module.name,
+            class: 'addon-mod_feedback-handler',
+            showDownloadButton: true,
+            action(event: Event, module: CoreCourseModule, courseId: number, options?: CoreNavigationOptions): void {
+                options = options || {};
+                options.params = options.params || {};
+                Object.assign(options.params, { module });
+                const routeParams = '/' + courseId + '/' + module.id;
+
+                CoreNavigator.navigateToSitePath(AddonModFeedbackModuleHandlerService.PAGE_NAME + routeParams, options);
+            },
+        };
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async getMainComponent(): Promise<Type<unknown>> {
+        return AddonModFeedbackIndexComponent;
+    }
+
+}
+
+export const AddonModFeedbackModuleHandler = makeSingleton(AddonModFeedbackModuleHandlerService);

src/addons/mod/feedback/services/handlers/prefetch.ts

@@ -0,0 +1,228 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreCourseActivityPrefetchHandlerBase } from '@features/course/classes/activity-prefetch-handler';
+import { CoreCourseAnyModuleData, CoreCourseCommonModWSOptions } from '@features/course/services/course';
+import { CoreFilepool } from '@services/filepool';
+import { CoreGroups } from '@services/groups';
+import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
+import { CoreTimeUtils } from '@services/utils/time';
+import { CoreUtils } from '@services/utils/utils';
+import { CoreWSFile } from '@services/ws';
+import { makeSingleton } from '@singletons';
+import {
+    AddonModFeedback,
+    AddonModFeedbackGetFeedbackAccessInformationWSResponse,
+    AddonModFeedbackProvider,
+    AddonModFeedbackWSFeedback,
+} from '../feedback';
+import { AddonModFeedbackSync, AddonModFeedbackSyncResult } from '../feedback-sync';
+
+/**
+ * Handler to prefetch feedbacks.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackPrefetchHandlerService extends CoreCourseActivityPrefetchHandlerBase {
+
+    name = 'AddonModFeedback';
+    modName = 'feedback';
+    component = AddonModFeedbackProvider.COMPONENT;
+    updatesNames = /^configuration$|^.*files$|^attemptsfinished|^attemptsunfinished$/;
+
+    /**
+     * @inheritdoc
+     */
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
+        let files: CoreWSFile[] = [];
+
+        const feedback = await AddonModFeedback.getFeedback(courseId, module.id);
+
+        // Get intro files and page after submit files.
+        files = feedback.pageaftersubmitfiles || [];
+        files = files.concat(this.getIntroFilesFromInstance(module, feedback));
+
+        try {
+            const response = await AddonModFeedback.getItems(feedback.id);
+
+            response.items.forEach((item) => {
+                files = files.concat(item.itemfiles);
+            });
+        } catch (e) {
+            // Ignore errors.
+        }
+
+        return files;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
+        const feedback = await CoreUtils.ignoreErrors(AddonModFeedback.getFeedback(courseId, module.id));
+
+        return this.getIntroFilesFromInstance(module, feedback);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    invalidateContent(moduleId: number, courseId: number): Promise<void> {
+        return AddonModFeedback.invalidateContent(moduleId, courseId);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    invalidateModule(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
+        return AddonModFeedback.invalidateFeedbackData(courseId);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async isDownloadable(module: CoreCourseAnyModuleData, courseId: number): Promise<boolean> {
+        const feedback = await AddonModFeedback.getFeedback(courseId, module.id, {
+            readingStrategy: CoreSitesReadingStrategy.PreferCache,
+        });
+
+        const now = CoreTimeUtils.timestamp();
+
+        // Check time first if available.
+        if (feedback.timeopen && feedback.timeopen > now) {
+            return false;
+        }
+        if (feedback.timeclose && feedback.timeclose < now) {
+            return false;
+        }
+
+        const accessData = await AddonModFeedback.getFeedbackAccessInformation(feedback.id, { cmId: module.id });
+
+        return accessData.isopen;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    isEnabled(): Promise<boolean> {
+        return AddonModFeedback.isPluginEnabled();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    prefetch(module: CoreCourseAnyModuleData, courseId?: number): Promise<void> {
+        return this.prefetchPackage(module, courseId, this.prefetchFeedback.bind(this, module, courseId));
+    }
+
+    /**
+     * Prefetch a feedback.
+     *
+     * @param module Module.
+     * @param courseId Course ID the module belongs to.
+     * @return Promise resolved when done.
+     */
+    protected async prefetchFeedback(module: CoreCourseAnyModuleData, courseId: number): Promise<void> {
+        const siteId = CoreSites.getCurrentSiteId();
+        const commonOptions = {
+            readingStrategy: CoreSitesReadingStrategy.OnlyNetwork,
+            siteId,
+        };
+        const modOptions = {
+            cmId: module.id,
+            ...commonOptions, // Include all common options.
+        };
+
+        // Prefetch the feedback data.
+        const feedback = await AddonModFeedback.getFeedback(courseId, module.id, commonOptions);
+
+        let files: CoreWSFile[] = feedback.pageaftersubmitfiles || [];
+        files = files.concat(this.getIntroFilesFromInstance(module, feedback));
+
+        const accessData = await AddonModFeedback.getFeedbackAccessInformation(feedback.id, modOptions);
+
+        const promises: Promise<unknown>[] = [];
+
+        if (accessData.canedititems || accessData.canviewreports) {
+            // Get all groups analysis.
+            promises.push(AddonModFeedback.getAnalysis(feedback.id, modOptions));
+            promises.push(this.prefetchAllGroupsAnalysis(feedback, accessData, modOptions));
+        }
+
+        promises.push(AddonModFeedback.getItems(feedback.id, commonOptions).then((response) => {
+            response.items.forEach((item) => {
+                files = files.concat(item.itemfiles);
+            });
+
+            return CoreFilepool.addFilesToQueue(siteId, files, this.component, module.id);
+        }));
+
+        if (accessData.cancomplete && accessData.cansubmit && !accessData.isempty) {
+            // Send empty data, so it will recover last completed feedback attempt values.
+            promises.push(AddonModFeedback.processPageOnline(feedback.id, 0, {}, false, siteId).then(() => Promise.all([
+                AddonModFeedback.getCurrentValues(feedback.id, modOptions),
+                AddonModFeedback.getResumePage(feedback.id, modOptions),
+            ])));
+        }
+
+        await Promise.all(promises);
+    }
+
+    /**
+     * Prefetch all groups analysis.
+     *
+     * @param feedback Feedback.
+     * @param accessData Access info.
+     * @param modOptions Options.
+     */
+    protected async prefetchAllGroupsAnalysis(
+        feedback: AddonModFeedbackWSFeedback,
+        accessData: AddonModFeedbackGetFeedbackAccessInformationWSResponse,
+        modOptions: CoreCourseCommonModWSOptions,
+    ): Promise<void> {
+        const groupInfo = await CoreGroups.getActivityGroupInfo(feedback.coursemodule, true, undefined, modOptions.siteId, true);
+
+        const promises: Promise<unknown>[] = [];
+
+        if (!groupInfo.groups || groupInfo.groups.length == 0) {
+            groupInfo.groups = [{ id: 0, name: '' }];
+        }
+
+        groupInfo.groups.forEach((group) => {
+            const groupOptions = {
+                groupId: group.id,
+                ...modOptions, // Include all mod options.
+            };
+
+            promises.push(AddonModFeedback.getAnalysis(feedback.id, groupOptions));
+            promises.push(AddonModFeedback.getAllResponsesAnalysis(feedback.id, groupOptions));
+
+            if (!accessData.isanonymous) {
+                promises.push(AddonModFeedback.getAllNonRespondents(feedback.id, groupOptions));
+            }
+        });
+
+        await Promise.all(promises);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    sync(module: CoreCourseAnyModuleData, courseId: number, siteId?: string): Promise<AddonModFeedbackSyncResult> {
+        return AddonModFeedbackSync.syncFeedback(module.instance!, siteId);
+    }
+
+}
+
+export const AddonModFeedbackPrefetchHandler = makeSingleton(AddonModFeedbackPrefetchHandlerService);

src/addons/mod/feedback/services/handlers/print-link.ts

@@ -0,0 +1,80 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksHandlerBase } from '@features/contentlinks/classes/base-handler';
+import { CoreContentLinksAction } from '@features/contentlinks/services/contentlinks-delegate';
+import { CoreCourse } from '@features/course/services/course';
+import { CoreNavigator } from '@services/navigator';
+import { CoreDomUtils } from '@services/utils/dom';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+import { AddonModFeedbackModuleHandlerService } from './module';
+
+/**
+ * Content links handler for feedback print questions.
+ * Match mod/feedback/print.php with a valid feedback id.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackPrintLinkHandlerService extends CoreContentLinksHandlerBase {
+
+    name = 'AddonModFeedbackPrintLinkHandler';
+    featureName = 'CoreCourseModuleDelegate_AddonModFeedback';
+    pattern = /\/mod\/feedback\/print\.php.*([?&](id)=\d+)/;
+
+    /**
+     * @inheritdoc
+     */
+    getActions(siteIds: string[], url: string, params: Record<string, string>): CoreContentLinksAction[] {
+        return [{
+            action: async (siteId: string) => {
+                const modal = await CoreDomUtils.showModalLoading();
+
+                const moduleId = Number(params.id);
+
+                try {
+                    const module = await CoreCourse.getModuleBasicInfo(moduleId, siteId);
+
+                    CoreNavigator.navigateToSitePath(
+                        AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${module.course}/${module.id}/form`,
+                        {
+                            params: {
+                                preview: true,
+                            },
+                            siteId,
+                        },
+                    );
+                } catch (error) {
+                    CoreDomUtils.showErrorModalDefault(error, 'Error opening link.');
+                } finally {
+                    modal.dismiss();
+                }
+            },
+        }];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async isEnabled(siteId: string, url: string, params: Record<string, string>): Promise<boolean> {
+        if (typeof params.id == 'undefined') {
+            return false;
+        }
+
+        return AddonModFeedback.isPluginEnabled(siteId);
+    }
+
+}
+
+export const AddonModFeedbackPrintLinkHandler = makeSingleton(AddonModFeedbackPrintLinkHandlerService);

src/addons/mod/feedback/services/handlers/push-click.ts

@@ -0,0 +1,70 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreCourseHelper } from '@features/course/services/course-helper';
+import { CorePushNotificationsClickHandler } from '@features/pushnotifications/services/push-delegate';
+import { CorePushNotificationsNotificationBasicData } from '@features/pushnotifications/services/pushnotifications';
+import { CoreUrlUtils } from '@services/utils/url';
+import { CoreUtils } from '@services/utils/utils';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+import { AddonModFeedbackHelper } from '../feedback-helper';
+
+/**
+ * Handler for feedback push notifications clicks.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackPushClickHandlerService implements CorePushNotificationsClickHandler {
+
+    name = 'AddonModFeedbackPushClickHandler';
+    priority = 200;
+    featureName = 'CoreCourseModuleDelegate_AddonModFeedback';
+
+    /**
+     * @inheritdoc
+     */
+    async handles(notification: CorePushNotificationsNotificationBasicData): Promise<boolean> {
+        if (CoreUtils.isTrueOrOne(notification.notif) && notification.moodlecomponent == 'mod_feedback' &&
+                (notification.name == 'submission' || notification.name == 'message')) {
+
+            return AddonModFeedback.isPluginEnabled(notification.site);
+        }
+
+        return false;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    handleClick(notification: AddonModFeedbackPushNotificationData): Promise<void> {
+        const contextUrlParams = CoreUrlUtils.extractUrlParams(notification.contexturl!);
+        const courseId = Number(notification.courseid);
+        const moduleId = Number(contextUrlParams.id);
+
+        if (notification.name == 'submission') {
+            return AddonModFeedbackHelper.handleShowEntriesLink(contextUrlParams, notification.site);
+        } else {
+            return CoreCourseHelper.navigateToModule(moduleId, notification.site, courseId);
+        }
+    }
+
+}
+
+export const AddonModFeedbackPushClickHandler = makeSingleton(AddonModFeedbackPushClickHandlerService);
+
+type AddonModFeedbackPushNotificationData = CorePushNotificationsNotificationBasicData & {
+    contexturl?: string;
+    courseid?: number | string;
+};

src/addons/mod/feedback/services/handlers/show-entries-link.ts

@@ -0,0 +1,58 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksHandlerBase } from '@features/contentlinks/classes/base-handler';
+import { CoreContentLinksAction } from '@features/contentlinks/services/contentlinks-delegate';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+import { AddonModFeedbackHelper } from '../feedback-helper';
+
+/**
+ * Content links handler for feedback show entries questions.
+ * Match mod/feedback/show_entries.php with a valid feedback id.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackShowEntriesLinkHandlerService extends CoreContentLinksHandlerBase {
+
+    name = 'AddonModFeedbackShowEntriesLinkHandler';
+    featureName = 'CoreCourseModuleDelegate_AddonModFeedback';
+    pattern = /\/mod\/feedback\/show_entries\.php.*([?&](id|showcompleted)=\d+)/;
+
+    /**
+     * @inheritdoc
+     */
+    getActions(siteIds: string[], url: string, params: Record<string, string>): CoreContentLinksAction[] {
+        return [{
+            action: (siteId: string) => {
+                AddonModFeedbackHelper.handleShowEntriesLink(params, siteId);
+            },
+        }];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async isEnabled(siteId: string, url: string, params: Record<string, string>): Promise<boolean> {
+        if (typeof params.id == 'undefined') {
+            // Cannot treat the URL.
+            return false;
+        }
+
+        return AddonModFeedback.isPluginEnabled(siteId);
+    }
+
+}
+
+export const AddonModFeedbackShowEntriesLinkHandler = makeSingleton(AddonModFeedbackShowEntriesLinkHandlerService);

src/addons/mod/feedback/services/handlers/show-non-respondents-link.ts

@@ -0,0 +1,75 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksHandlerBase } from '@features/contentlinks/classes/base-handler';
+import { CoreContentLinksAction } from '@features/contentlinks/services/contentlinks-delegate';
+import { CoreCourse } from '@features/course/services/course';
+import { CoreNavigator } from '@services/navigator';
+import { CoreDomUtils } from '@services/utils/dom';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedback } from '../feedback';
+import { AddonModFeedbackModuleHandlerService } from './module';
+/**
+ * Content links handler for feedback show non respondents.
+ * Match mod/feedback/show_nonrespondents.php with a valid feedback id.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackShowNonRespondentsLinkHandlerService extends CoreContentLinksHandlerBase {
+
+    name = 'AddonModFeedbackShowNonRespondentsLinkHandler';
+    featureName = 'CoreCourseModuleDelegate_AddonModFeedback';
+    pattern = /\/mod\/feedback\/show_nonrespondents\.php.*([?&](id)=\d+)/;
+
+    /**
+     * @inheritdoc
+     */
+    getActions(siteIds: string[], url: string, params: Record<string, string>): CoreContentLinksAction[] {
+        return [{
+            action: async (siteId: string) => {
+                const modal = await CoreDomUtils.showModalLoading();
+
+                const moduleId = Number(params.id);
+
+                try {
+                    const module = await CoreCourse.getModuleBasicInfo(moduleId, siteId);
+
+                    await CoreNavigator.navigateToSitePath(
+                        AddonModFeedbackModuleHandlerService.PAGE_NAME + `/${module.course}/${module.id}/nonrespondents`,
+                        { siteId },
+                    );
+                } catch (error) {
+                    CoreDomUtils.showErrorModalDefault(error, 'Error opening link.');
+                } finally {
+                    modal.dismiss();
+                }
+            },
+        }];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    async isEnabled(siteId: string, url: string, params: Record<string, string>): Promise<boolean> {
+        if (typeof params.id == 'undefined') {
+            // Cannot treat the URL.
+            return false;
+        }
+
+        return AddonModFeedback.isPluginEnabled(siteId);
+    }
+
+}
+
+export const AddonModFeedbackShowNonRespondentsLinkHandler = makeSingleton(AddonModFeedbackShowNonRespondentsLinkHandlerService);

src/addons/mod/feedback/services/handlers/sync-cron.ts

@@ -0,0 +1,51 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreCronHandler } from '@services/cron';
+import { makeSingleton } from '@singletons';
+import { AddonModFeedbackSync } from '../feedback-sync';
+
+/**
+ * Synchronization cron handler.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModFeedbackSyncCronHandlerService implements CoreCronHandler {
+
+    name = 'AddonModFeedbackSyncCronHandler';
+
+    /**
+     * Execute the process.
+     * Receives the ID of the site affected, undefined for all sites.
+     *
+     * @param siteId ID of the site affected, undefined for all sites.
+     * @param force Wether the execution is forced (manual sync).
+     * @return Promise resolved when done, rejected if failure.
+     */
+    execute(siteId?: string, force?: boolean): Promise<void> {
+        return AddonModFeedbackSync.syncAllFeedbacks(siteId, force);
+    }
+
+    /**
+     * Get the time between consecutive executions.
+     *
+     * @return Time between consecutive executions (in ms).
+     */
+    getInterval(): number {
+        return AddonModFeedbackSync.syncInterval;
+    }
+
+}
+
+export const AddonModFeedbackSyncCronHandler = makeSingleton(AddonModFeedbackSyncCronHandlerService);

src/addons/mod/forum/components/edit-post/edit-post.ts

@@ -14,13 +14,14 @@
 
 import { Component, ViewChild, ElementRef, Input, OnInit } from '@angular/core';
 import { FormControl } from '@angular/forms';
-import { CoreFileEntry, CoreFileUploader } from '@features/fileuploader/services/fileuploader';
+import { CoreFileUploader } from '@features/fileuploader/services/fileuploader';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { ModalController, Translate } from '@singletons';
 import { AddonModForumData, AddonModForumPost, AddonModForumReply } from '@addons/mod/forum/services/forum';
 import { AddonModForumHelper } from '@addons/mod/forum/services/forum-helper';
 import { CoreForms } from '@singletons/form';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Page that displays a form to edit discussion post.

src/addons/mod/forum/components/post/post.ts

@@ -38,11 +38,10 @@ import {
     AddonModForumProvider,
     AddonModForumReply,
     AddonModForumUpdateDiscussionPostWSOptionsObject,
-    AddonModForumWSPostAttachment,
 } from '../../services/forum';
 import { CoreTag } from '@features/tag/services/tag';
 import { ModalController, PopoverController, Translate } from '@singletons';
-import { CoreFileEntry, CoreFileUploader } from '@features/fileuploader/services/fileuploader';
+import { CoreFileUploader } from '@features/fileuploader/services/fileuploader';
 import { IonContent } from '@ionic/angular';
 import { AddonModForumSync } from '../../services/forum-sync';
 import { CoreSync } from '@services/sync';
@@ -54,6 +53,7 @@ import { AddonModForumPostOptionsMenuComponent } from '../post-options-menu/post
 import { AddonModForumEditPostComponent } from '../edit-post/edit-post';
 import { CoreRatingInfo } from '@features/rating/services/rating';
 import { CoreForms } from '@singletons/form';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Components that shows a discussion post, its attachments and the action buttons allowed (reply, etc.).
@@ -186,7 +186,7 @@ export class AddonModForumPostComponent implements OnInit, OnDestroy, OnChanges
         isEditing?: boolean,
         subject?: string,
         message?: string,
-        files?: (CoreFileEntry | AddonModForumWSPostAttachment)[],
+        files?: CoreFileEntry[],
         isPrivate?: boolean,
     ): void {
         // Delete the local files from the tmp folder if any.

src/addons/mod/forum/services/forum-helper.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 import { FileEntry } from '@ionic-native/file/ngx';
-import { CoreFileEntry, CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
+import { CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
 import { CoreUser } from '@features/user/services/user';
 import { CoreApp } from '@services/app';
 import { CoreFile } from '@services/file';
@@ -31,6 +31,7 @@ import {
     AddonModForumProvider,
 } from './forum';
 import { AddonModForumDiscussionOptions, AddonModForumOffline, AddonModForumOfflineReply } from './forum-offline';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Service that provides some features for forums.

src/addons/mod/forum/services/forum.ts

@@ -16,17 +16,17 @@ import { Injectable } from '@angular/core';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreFileEntry } from '@features/fileuploader/services/fileuploader';
 import { CoreRatingInfo } from '@features/rating/services/rating';
 import { CoreTagItem } from '@features/tag/services/tag';
 import { CoreUser } from '@features/user/services/user';
 import { CoreApp } from '@services/app';
+import { CoreFileEntry } from '@services/file-helper';
 import { CoreFilepool } from '@services/filepool';
 import { CoreGroups } from '@services/groups';
 import { CoreSitesCommonWSOptions, CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUrlUtils } from '@services/utils/url';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreStatusWithWarningsWSResponse, CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
+import { CoreStatusWithWarningsWSResponse, CoreWSExternalFile, CoreWSExternalWarning, CoreWSStoredFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModForumOffline, AddonModForumOfflineDiscussion, AddonModForumReplyOptions } from './forum-offline';
 
@@ -1469,7 +1469,7 @@ export type AddonModForumPost = {
         canreplyprivately?: boolean; // Whether the user can post a private reply.
     };
     attachment?: 0 | 1;
-    attachments?: (CoreFileEntry | AddonModForumWSPostAttachment)[];
+    attachments?: CoreFileEntry[];
     messageinlinefiles?: CoreWSExternalFile[];
     haswordcount?: boolean; // Haswordcount.
     wordcount?: number; // Wordcount.
@@ -1580,7 +1580,7 @@ export type AddonModForumReply = {
     id: number;
     subject: string;
     message: string;
-    files: (CoreFileEntry | AddonModForumWSPostAttachment)[];
+    files: CoreFileEntry[];
 };
 
 /**
@@ -1600,37 +1600,6 @@ export type AddonModForumSortOrder = {
     value: number;
 };
 
-/**
- * Forum post attachement data returned by web services.
- */
-export type AddonModForumWSPostAttachment = {
-    contextid: number; // Contextid.
-    component: string; // Component.
-    filearea: string; // Filearea.
-    itemid: number; // Itemid.
-    filepath: string; // Filepath.
-    filename: string; // Filename.
-    isdir: boolean; // Isdir.
-    isimage: boolean; // Isimage.
-    timemodified: number; // Timemodified.
-    timecreated: number; // Timecreated.
-    filesize: number; // Filesize.
-    author: string; // Author.
-    license: string; // License.
-    filenameshort: string; // Filenameshort.
-    filesizeformatted: string; // Filesizeformatted.
-    icon: string; // Icon.
-    timecreatedformatted: string; // Timecreatedformatted.
-    timemodifiedformatted: string; // Timemodifiedformatted.
-    url: string; // Url.
-    urls: {
-        export?: string; // The URL used to export the attachment.
-    };
-    html: {
-        plagiarism?: string; // The HTML source for the Plagiarism Response.
-    };
-};
-
 /**
  * Forum post data returned by web services.
  */
@@ -1693,7 +1662,7 @@ export type AddonModForumWSPost = {
         markasunread?: string; // The URL used to mark the post as unread.
         discuss?: string; // Discuss.
     };
-    attachments: AddonModForumWSPostAttachment[]; // Attachments.
+    attachments: CoreWSStoredFile[]; // Attachments.
     tags?: { // Tags.
         id: number; // The ID of the Tag.
         tagid: number; // The tagid.

src/addons/mod/forum/services/handlers/prefetch.ts

@@ -17,7 +17,7 @@ import { CoreCourseActivityPrefetchHandlerBase } from '@features/course/classes/
 import { AddonModForum, AddonModForumData, AddonModForumPost, AddonModForumProvider } from '../forum';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreFilepool } from '@services/filepool';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { CoreCourse, CoreCourseAnyModuleData, CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreUser } from '@features/user/services/user';
 import { CoreGroups, CoreGroupsProvider } from '@services/groups';
@@ -44,7 +44,7 @@ export class AddonModForumPrefetchHandlerService extends CoreCourseActivityPrefe
      * @param single True if we're downloading a single module, false if we're downloading a whole section.
      * @return Promise resolved with the list of files.
      */
-    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         try {
             const forum = await AddonModForum.getForum(courseId, module.id);
 
@@ -69,13 +69,13 @@ export class AddonModForumPrefetchHandlerService extends CoreCourseActivityPrefe
      * @param posts Forum posts.
      * @return Files.
      */
-    protected getPostsFiles(posts: AddonModForumPost[]): CoreWSExternalFile[] {
-        let files: CoreWSExternalFile[] = [];
+    protected getPostsFiles(posts: AddonModForumPost[]): CoreWSFile[] {
+        let files: CoreWSFile[] = [];
         const getInlineFiles = CoreSites.getCurrentSite()?.isVersionGreaterEqualThan('3.2');
 
         posts.forEach((post) => {
             if (post.attachments && post.attachments.length) {
-                files = files.concat(post.attachments as CoreWSExternalFile[]);
+                files = files.concat(post.attachments as CoreWSFile[]);
             }
             if (getInlineFiles && post.messageinlinefiles && post.messageinlinefiles.length) {
                 files = files.concat(post.messageinlinefiles);

src/addons/mod/glossary/services/glossary-helper.ts

@@ -20,7 +20,7 @@ import { CoreUtils } from '@services/utils/utils';
 import { AddonModGlossaryOffline } from './glossary-offline';
 import { AddonModGlossaryNewEntry, AddonModGlossaryNewEntryWithFiles } from './glossary';
 import { makeSingleton } from '@singletons';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Helper to gather some common functions for glossary.
@@ -68,7 +68,7 @@ export class AddonModGlossaryHelperProvider {
      */
     hasEntryDataChanged(
         entry: AddonModGlossaryNewEntry,
-        files: (CoreWSExternalFile | FileEntry)[],
+        files: CoreFileEntry[],
         original?: AddonModGlossaryNewEntryWithFiles,
     ): boolean {
         if (!original || typeof original.concept == 'undefined') {
@@ -98,7 +98,7 @@ export class AddonModGlossaryHelperProvider {
         glossaryId: number,
         entryName: string,
         timeCreated: number,
-        files: (CoreWSExternalFile | FileEntry)[],
+        files: CoreFileEntry[],
         siteId?: string,
     ): Promise<CoreFileUploaderStoreFilesResult> {
         // Get the folder where to store the files.

src/addons/mod/glossary/services/glossary-sync.ts

@@ -14,7 +14,6 @@
 
 import { ContextLevel } from '@/core/constants';
 import { Injectable } from '@angular/core';
-import { FileEntry } from '@ionic-native/file/ngx';
 import { CoreSyncBlockedError } from '@classes/base-sync';
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
@@ -24,13 +23,13 @@ import { CoreApp } from '@services/app';
 import { CoreSites } from '@services/sites';
 import { CoreSync } from '@services/sync';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { AddonModGlossary, AddonModGlossaryProvider } from './glossary';
 import { AddonModGlossaryHelper } from './glossary-helper';
 import { AddonModGlossaryOffline, AddonModGlossaryOfflineEntry } from './glossary-offline';
 import { CoreFileUploader } from '@features/fileuploader/services/fileuploader';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Service to sync glossaries.
@@ -309,7 +308,7 @@ export class AddonModGlossarySyncProvider extends CoreCourseActivitySyncBaseProv
         }
 
         // Has some attachments to sync.
-        let files: (CoreWSExternalFile | FileEntry)[] = entry.attachments.online || [];
+        let files: CoreFileEntry[] = entry.attachments.online || [];
 
         if (entry.attachments.offline) {
             // Has offline files.

src/addons/mod/glossary/services/glossary.ts

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 import { Injectable } from '@angular/core';
-import { FileEntry } from '@ionic-native/file/ngx';
 import { CoreError } from '@classes/errors/error';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
@@ -30,6 +29,7 @@ import { makeSingleton, Translate } from '@singletons';
 import { AddonModGlossaryEntryDBRecord, ENTRIES_TABLE_NAME } from './database/glossary';
 import { AddonModGlossaryOffline } from './glossary-offline';
 import { AddonModGlossaryAutoSyncData, AddonModGlossarySyncProvider } from './glossary-sync';
+import { CoreFileEntry } from '@services/file-helper';
 
 const ROOT_CACHE_KEY = 'mmaModGlossary:';
 
@@ -1431,7 +1431,7 @@ export type AddonModGlossaryNewEntry = {
  * Entry to be added, including attachments.
  */
 export type AddonModGlossaryNewEntryWithFiles = AddonModGlossaryNewEntry & {
-    files: (CoreWSExternalFile | FileEntry)[];
+    files: CoreFileEntry[];
 };
 
 /**

src/addons/mod/glossary/services/handlers/prefetch.ts

@@ -19,7 +19,7 @@ import { CoreCourse, CoreCourseAnyModuleData } from '@features/course/services/c
 import { CoreUser } from '@features/user/services/user';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModGlossary, AddonModGlossaryEntry, AddonModGlossaryGlossary, AddonModGlossaryProvider } from '../glossary';
 import { AddonModGlossarySync, AddonModGlossarySyncResult } from '../glossary-sync';
@@ -38,7 +38,7 @@ export class AddonModGlossaryPrefetchHandlerService extends CoreCourseActivityPr
     /**
      * @inheritdoc
      */
-    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         try {
             const glossary = await AddonModGlossary.getGlossary(courseId, module.id);
 
@@ -68,7 +68,7 @@ export class AddonModGlossaryPrefetchHandlerService extends CoreCourseActivityPr
         module: CoreCourseAnyModuleData,
         glossary: AddonModGlossaryGlossary,
         entries: AddonModGlossaryEntry[],
-    ): CoreWSExternalFile[] {
+    ): CoreWSFile[] {
         let files = this.getIntroFilesFromInstance(module, glossary);
 
         const getInlineFiles = CoreSites.getCurrentSite()?.isVersionGreaterEqualThan('3.2');

src/addons/mod/h5pactivity/components/index/index.ts

@@ -30,7 +30,7 @@ import { CoreFilepool } from '@services/filepool';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import {
     AddonModH5PActivity,
@@ -43,6 +43,7 @@ import {
     AddonModH5PActivitySyncProvider,
     AddonModH5PActivitySyncResult,
 } from '../../services/h5pactivity-sync';
+import { CoreFileHelper } from '@services/file-helper';
 
 /**
  * Component that displays an H5P activity entry page.
@@ -58,7 +59,7 @@ export class AddonModH5PActivityIndexComponent extends CoreCourseModuleMainActiv
 
     h5pActivity?: AddonModH5PActivityData; // The H5P activity object.
     accessInfo?: AddonModH5PActivityAccessInfo; // Info about the user capabilities.
-    deployedFile?: CoreWSExternalFile; // The H5P deployed file.
+    deployedFile?: CoreWSFile; // The H5P deployed file.
 
     stateMessage?: string; // Message about the file state.
     downloading = false; // Whether the H5P file is being downloaded.
@@ -191,10 +192,10 @@ export class AddonModH5PActivityIndexComponent extends CoreCourseModuleMainActiv
             siteId: this.siteId,
         });
 
-        this.fileUrl = this.deployedFile.fileurl;
+        this.fileUrl = CoreFileHelper.getFileUrl(this.deployedFile);
 
         // Listen for changes in the state.
-        const eventName = await CoreFilepool.getFileEventNameByUrl(this.site.getId(), this.deployedFile.fileurl);
+        const eventName = await CoreFilepool.getFileEventNameByUrl(this.site.getId(), this.fileUrl);
 
         if (!this.observer) {
             this.observer = CoreEvents.on(eventName, () => {
@@ -213,7 +214,7 @@ export class AddonModH5PActivityIndexComponent extends CoreCourseModuleMainActiv
     protected async calculateFileState(): Promise<void> {
         this.state = await CoreFilepool.getFileStateByUrl(
             this.site.getId(),
-            this.deployedFile!.fileurl,
+            this.fileUrl!,
             this.deployedFile!.timemodified,
         );
 
@@ -317,7 +318,7 @@ export class AddonModH5PActivityIndexComponent extends CoreCourseModuleMainActiv
         try {
             await CoreFilepool.downloadUrl(
                 this.site.getId(),
-                this.deployedFile!.fileurl,
+                this.fileUrl!,
                 false,
                 this.component,
                 this.componentId,

src/addons/mod/h5pactivity/services/h5pactivity.ts

@@ -15,7 +15,7 @@
 import { Injectable } from '@angular/core';
 
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
-import { CoreWSExternalWarning, CoreWSExternalFile } from '@services/ws';
+import { CoreWSExternalWarning, CoreWSExternalFile, CoreWSFile } from '@services/ws';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
@@ -305,7 +305,7 @@ export class AddonModH5PActivityProvider {
     async getDeployedFile(
         h5pActivity: AddonModH5PActivityData,
         options?: AddonModH5PActivityGetDeployedFileOptions,
-    ): Promise<CoreWSExternalFile> {
+    ): Promise<CoreWSFile> {
 
         if (h5pActivity.deployedfile) {
             // File already deployed and still valid, use this one.

src/addons/mod/h5pactivity/services/handlers/prefetch.ts

@@ -21,7 +21,7 @@ import { CoreH5P } from '@features/h5p/services/h5p';
 import { CoreUser } from '@features/user/services/user';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModH5PActivity, AddonModH5PActivityData, AddonModH5PActivityProvider } from '../h5pactivity';
 
@@ -39,7 +39,7 @@ export class AddonModH5PActivityPrefetchHandlerService extends CoreCourseActivit
     /**
      * @inheritdoc
      */
-    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
 
         const h5pActivity = await AddonModH5PActivity.getH5PActivity(courseId, module.id);
 

src/addons/mod/imscp/services/handlers/prefetch.ts

@@ -23,7 +23,7 @@ import {
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModImscp, AddonModImscpProvider } from '../imscp';
 
@@ -58,7 +58,7 @@ export class AddonModImscpPrefetchHandlerService extends CoreCourseResourcePrefe
     /**
      * @inheritdoc
      */
-    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         // If not found, use undefined so module description is used.
         const imscp = await CoreUtils.ignoreErrors(AddonModImscp.getImscp(courseId, module.id));
 

src/addons/mod/label/services/handlers/prefetch.ts

@@ -17,7 +17,7 @@ import { CoreCourseResourcePrefetchHandlerBase } from '@features/course/classes/
 import { CoreCourse, CoreCourseAnyModuleData } from '@features/course/services/course';
 import { CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModLabel, AddonModLabelLabel, AddonModLabelProvider } from '../label';
 
@@ -36,7 +36,7 @@ export class AddonModLabelPrefetchHandlerService extends CoreCourseResourcePrefe
     /**
      * @inheritdoc
      */
-    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number, ignoreCache?: boolean): Promise<CoreWSExternalFile[]> {
+    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number, ignoreCache?: boolean): Promise<CoreWSFile[]> {
         let label: AddonModLabelLabel | undefined;
 
         if (AddonModLabel.isGetLabelAvailableForSite()) {

src/addons/mod/lesson/services/handlers/prefetch.ts

@@ -23,7 +23,7 @@ import { CoreGroups } from '@services/groups';
 import { CoreFileSizeSum, CorePluginFileDelegate } from '@services/plugin-file-delegate';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton, ModalController, Translate } from '@singletons';
 import { AddonModLessonPasswordModalComponent } from '../../components/password-modal/password-modal';
 import {
@@ -92,7 +92,7 @@ export class AddonModLessonPrefetchHandlerService extends CoreCourseActivityPref
         lesson = passwordData.lesson || lesson;
 
         // Get intro files and media files.
-        let files = lesson.mediafiles || [];
+        let files: CoreWSFile[] = lesson.mediafiles || [];
         files = files.concat(this.getIntroFilesFromInstance(module, lesson));
 
         const result = await CorePluginFileDelegate.getFilesDownloadSize(files);
@@ -289,7 +289,8 @@ export class AddonModLessonPrefetchHandlerService extends CoreCourseActivityPref
         const promises: Promise<void>[] = [];
 
         // Download intro files and media files.
-        const files = (lesson.mediafiles || []).concat(this.getIntroFilesFromInstance(module, lesson));
+        let files: CoreWSFile[] = (lesson.mediafiles || []);
+        files = files.concat(this.getIntroFilesFromInstance(module, lesson));
         promises.push(CoreFilepool.addFilesToQueue(siteId, files, this.component, module.id));
 
         if (AddonModLesson.isLessonOffline(lesson)) {
@@ -495,7 +496,7 @@ export class AddonModLessonPrefetchHandlerService extends CoreCourseActivityPref
             }
 
             // Download embedded files in essays.
-            const files: CoreWSExternalFile[] = [];
+            const files: CoreWSFile[] = [];
             attempt.answerpages.forEach((answerPage) => {
                 if (!answerPage.page || answerPage.page.qtype != AddonModLessonProvider.LESSON_PAGE_ESSAY) {
                     return;

src/addons/mod/mod.module.ts

@@ -34,6 +34,7 @@ import { AddonModChoiceModule } from './choice/choice.module';
 import { AddonModWikiModule } from './wiki/wiki.module';
 import { AddonModGlossaryModule } from './glossary/glossary.module';
 import { AddonModChatModule } from './chat/chat.module';
+import { AddonModFeedbackModule } from './feedback/feedback.module';
 
 @NgModule({
     imports: [
@@ -57,6 +58,7 @@ import { AddonModChatModule } from './chat/chat.module';
         AddonModWikiModule,
         AddonModGlossaryModule,
         AddonModChatModule,
+        AddonModFeedbackModule,
     ],
 })
 export class AddonModModule { }

src/addons/mod/quiz/services/handlers/prefetch.ts

@@ -23,7 +23,7 @@ import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModQuizAccessRuleDelegate } from '../access-rules-delegate';
 import {
@@ -77,7 +77,7 @@ export class AddonModQuizPrefetchHandlerService extends CoreCourseActivityPrefet
      * @return Promise resolved with the list of files.
      */
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    async getFiles(module: CoreCourseAnyModuleData, courseId: number, single?: boolean): Promise<CoreWSExternalFile[]> {
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number, single?: boolean): Promise<CoreWSFile[]> {
         try {
             const quiz = await AddonModQuiz.getQuiz(courseId, module.id);
 
@@ -109,9 +109,9 @@ export class AddonModQuizPrefetchHandlerService extends CoreCourseActivityPrefet
         quiz: AddonModQuizQuizWSData,
         attempts: AddonModQuizAttemptWSData[],
         siteId?: string,
-    ): Promise<CoreWSExternalFile[]> {
+    ): Promise<CoreWSFile[]> {
         const getInlineFiles = CoreSites.getCurrentSite()?.isVersionGreaterEqualThan('3.2');
-        let files: CoreWSExternalFile[] = [];
+        let files: CoreWSFile[] = [];
 
         await Promise.all(attempts.map(async (attempt) => {
             if (!AddonModQuiz.isAttemptFinished(attempt.state)) {

src/addons/mod/resource/services/handlers/module.ts

@@ -22,7 +22,7 @@ import { CoreNavigationOptions, CoreNavigator } from '@services/navigator';
 import { CoreMimetypeUtils } from '@services/utils/mimetype';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreTimeUtils } from '@services/utils/time';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModResourceIndexComponent } from '../../components/index';
 import { AddonModResource, AddonModResourceCustomData } from '../resource';
@@ -142,7 +142,7 @@ export class AddonModResourceModuleHandlerService implements CoreCourseModuleHan
         handlerData: CoreCourseModuleHandlerData,
     ): Promise<AddonResourceHandlerData> {
         const promises: Promise<void>[] = [];
-        let infoFiles: CoreWSExternalFile[] = [];
+        let infoFiles: CoreWSFile[] = [];
         let options: AddonModResourceCustomData = {};
 
         // Check if the button needs to be shown or not.
@@ -166,7 +166,7 @@ export class AddonModResourceModuleHandlerService implements CoreCourseModuleHan
 
         await Promise.all(promises);
 
-        const files: (CoreCourseModuleContentFile | CoreWSExternalFile)[] = module.contents && module.contents.length
+        const files: (CoreCourseModuleContentFile | CoreWSFile)[] = module.contents && module.contents.length
             ? module.contents
             : infoFiles;
 

src/addons/mod/scorm/services/handlers/prefetch.ts

@@ -22,7 +22,7 @@ import { CoreFilepool } from '@services/filepool';
 import { CoreFileSizeSum } from '@services/plugin-file-delegate';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { AddonModScorm, AddonModScormProvider, AddonModScormScorm } from '../scorm';
 import { AddonModScormSync } from '../scorm-sync';
@@ -297,7 +297,7 @@ export class AddonModScormPrefetchHandlerService extends CoreCourseActivityPrefe
      * @param single True if we're downloading a single module, false if we're downloading a whole section.
      * @return Promise resolved with the list of files.
      */
-    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         try {
             const scorm = await this.getScorm(module, courseId);
 

src/addons/mod/scorm/services/scorm.ts

@@ -25,7 +25,7 @@ import { CoreTextUtils } from '@services/utils/text';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreUrlUtils } from '@services/utils/url';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWS, CoreWSExternalFile, CoreWSExternalWarning, CoreWSPreSets } from '@services/ws';
+import { CoreWS, CoreWSExternalFile, CoreWSExternalWarning, CoreWSFile, CoreWSPreSets } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { AddonModScormOffline } from './scorm-offline';
@@ -983,8 +983,8 @@ export class AddonModScormProvider {
      * @param scorm SCORM.
      * @return File list.
      */
-    getScormFileList(scorm: AddonModScormScorm): CoreWSExternalFile[] {
-        const files: CoreWSExternalFile[] = [];
+    getScormFileList(scorm: AddonModScormScorm): CoreWSFile[] {
+        const files: CoreWSFile[] = [];
 
         if (!this.isScormUnsupported(scorm) && !scorm.warningMessage) {
             files.push({

src/addons/mod/survey/services/handlers/prefetch.ts

@@ -18,7 +18,7 @@ import { CoreCourseAnyModuleData } from '@features/course/services/course';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModSurvey, AddonModSurveyProvider } from '../survey';
 import { AddonModSurveySync, AddonModSurveySyncResult } from '../survey-sync';
@@ -37,7 +37,7 @@ export class AddonModSurveyPrefetchHandlerService extends CoreCourseActivityPref
     /**
      * @inheritdoc
      */
-    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSExternalFile[]> {
+    async getIntroFiles(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreWSFile[]> {
         const survey = await CoreUtils.ignoreErrors(AddonModSurvey.getSurvey(courseId, module.id));
 
         return this.getIntroFilesFromInstance(module, survey);

src/addons/mod/wiki/pages/edit/edit.ts

@@ -23,7 +23,7 @@ import { CoreSync } from '@services/sync';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { CoreForms } from '@singletons/form';
@@ -62,7 +62,7 @@ export class AddonModWikiEditPage implements OnInit, OnDestroy, CanLeave {
     protected blockId?: string; // ID to block the subwiki.
     protected editing = false; // Whether the user is editing a page (true) or creating a new one (false).
     protected editOffline = false; // Whether the user is editing an offline page.
-    protected subwikiFiles: CoreWSExternalFile[] = []; // List of files of the subwiki.
+    protected subwikiFiles: CoreWSFile[] = []; // List of files of the subwiki.
     protected originalContent?: string; // The original page content.
     protected version?: number; // Page version.
     protected renewLockInterval?: number; // An interval to renew the lock every certain time.

src/addons/mod/wiki/services/handlers/prefetch.ts

@@ -21,7 +21,7 @@ import { CoreGroups } from '@services/groups';
 import { CoreFileSizeSum, CorePluginFileDelegate } from '@services/plugin-file-delegate';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonModWiki, AddonModWikiProvider, AddonModWikiSubwikiPage } from '../wiki';
 import { AddonModWikiSync, AddonModWikiSyncWikiResult } from '../wiki-sync';
@@ -103,7 +103,7 @@ export class AddonModWikiPrefetchHandlerService extends CoreCourseActivityPrefet
         courseId: number,
         single?: boolean,
         siteId?: string,
-    ): Promise<CoreWSExternalFile[]> {
+    ): Promise<CoreWSFile[]> {
         siteId = siteId || CoreSites.getCurrentSiteId();
 
         try {

src/addons/mod/wiki/services/wiki.ts

@@ -22,7 +22,7 @@ import { CoreApp } from '@services/app';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
+import { CoreWSExternalFile, CoreWSExternalWarning, CoreWSFile } from '@services/ws';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreEvents } from '@singletons/events';
 import { AddonModWikiPageDBRecord } from './database/wiki';
@@ -196,7 +196,7 @@ export class AddonModWikiProvider {
      * @param options Other options.
      * @return Promise resolved with subwiki files.
      */
-    async getSubwikiFiles(wikiId: number, options: AddonModWikiGetSubwikiFilesOptions = {}): Promise<CoreWSExternalFile[]> {
+    async getSubwikiFiles(wikiId: number, options: AddonModWikiGetSubwikiFilesOptions = {}): Promise<CoreWSFile[]> {
         const site = await CoreSites.getSite(options.siteId);
 
         const groupId = options.groupId || -1;
@@ -426,10 +426,10 @@ export class AddonModWikiProvider {
      * @param options Other options.
      * @return Promise resolved with the list of files.
      */
-    async getWikiFileList(wiki: AddonModWikiWiki, options: CoreSitesCommonWSOptions = {}): Promise<CoreWSExternalFile[]> {
+    async getWikiFileList(wiki: AddonModWikiWiki, options: CoreSitesCommonWSOptions = {}): Promise<CoreWSFile[]> {
         options.siteId = options.siteId || CoreSites.getCurrentSiteId();
 
-        let files: CoreWSExternalFile[] = [];
+        let files: CoreWSFile[] = [];
         const modOptions = {
             cmId: wiki.coursemodule,
             ...options, // Include all options.

src/addons/qtype/ddmarker/services/handlers/ddmarker.ts

@@ -17,7 +17,7 @@ import { Injectable, Type } from '@angular/core';
 import { CoreQuestion, CoreQuestionQuestionParsed, CoreQuestionsAnswers } from '@features/question/services/question';
 import { CoreQuestionHandler } from '@features/question/services/question-delegate';
 import { CoreQuestionHelper, CoreQuestionQuestion } from '@features/question/services/question-helper';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonQtypeDdMarkerComponent } from '../../component/ddmarker';
 
@@ -135,7 +135,7 @@ export class AddonQtypeDdMarkerHandlerService implements CoreQuestionHandler {
      * @param usageId Usage ID.
      * @return List of files or URLs.
      */
-    getAdditionalDownloadableFiles(question: CoreQuestionQuestionParsed, usageId?: number): CoreWSExternalFile[] {
+    getAdditionalDownloadableFiles(question: CoreQuestionQuestionParsed, usageId?: number): CoreWSFile[] {
         const treatedQuestion: CoreQuestionQuestion = question;
 
         CoreQuestionHelper.extractQuestionScripts(treatedQuestion, usageId);

src/addons/qtype/essay/component/essay.ts

@@ -20,9 +20,9 @@ import { CoreFileUploaderStoreFilesResult } from '@features/fileuploader/service
 import { AddonModQuizEssayQuestion, CoreQuestionBaseComponent } from '@features/question/classes/base-question-component';
 import { CoreQuestionHelper } from '@features/question/services/question-helper';
 import { CoreTextUtils } from '@services/utils/text';
-import { CoreWSExternalFile } from '@services/ws';
 import { CoreFileSession } from '@services/file-session';
 import { CoreQuestion } from '@features/question/services/question';
+import { CoreFileEntry } from '@services/file-helper';
 /**
  * Component to render an essay question.
  */
@@ -33,7 +33,7 @@ import { CoreQuestion } from '@features/question/services/question';
 export class AddonQtypeEssayComponent extends CoreQuestionBaseComponent implements OnInit {
 
     formControl?: FormControl;
-    attachments?: (CoreWSExternalFile | FileEntry)[];
+    attachments?: CoreFileEntry[];
     uploadFilesSupported = false;
     essayQuestion?: AddonModQuizEssayQuestion;
 

src/addons/qtype/essay/services/handlers/essay.ts

@@ -25,7 +25,7 @@ import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 import { makeSingleton } from '@singletons';
 import { AddonQtypeEssayComponent } from '../../component/essay';
 
@@ -81,12 +81,12 @@ export class AddonQtypeEssayHandlerService implements CoreQuestionHandler {
      * @param usageId Usage ID.
      * @return List of files or URLs.
      */
-    getAdditionalDownloadableFiles(question: CoreQuestionQuestionParsed): CoreWSExternalFile[] {
+    getAdditionalDownloadableFiles(question: CoreQuestionQuestionParsed): CoreWSFile[] {
         if (!question.responsefileareas) {
             return [];
         }
 
-        return question.responsefileareas.reduce((urlsList, area) => urlsList.concat(area.files || []), <CoreWSExternalFile[]> []);
+        return question.responsefileareas.reduce((urlsList, area) => urlsList.concat(area.files || []), <CoreWSFile[]> []);
     }
 
     /**

src/app/app.module.ts

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { COMPILER_OPTIONS, NgModule } from '@angular/core';
+import { APP_INITIALIZER, COMPILER_OPTIONS, NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { RouteReuseStrategy } from '@angular/router';
@@ -29,6 +29,8 @@ import { AddonsModule } from '@/addons/addons.module';
 import { AppComponent } from './app.component';
 import { AppRoutingModule } from './app-routing.module';
 import { JitCompilerFactory } from '@angular/platform-browser-dynamic';
+import { CoreCronDelegate } from '@services/cron';
+import { CoreSiteInfoCronHandler } from '@services/handlers/site-info-cron';
 
 // For translate loader. AoT requires an exported function for factories.
 export function createTranslateLoader(http: HttpClient): TranslateHttpLoader {
@@ -57,6 +59,14 @@ export function createTranslateLoader(http: HttpClient): TranslateHttpLoader {
         { provide: RouteReuseStrategy, useClass: IonicRouteStrategy },
         { provide: COMPILER_OPTIONS, useValue: {}, multi: true },
         { provide: JitCompilerFactory, useClass: JitCompilerFactory, deps: [COMPILER_OPTIONS] },
+        {
+            provide: APP_INITIALIZER,
+            multi: true,
+            deps: [],
+            useFactory: () => () => {
+                CoreCronDelegate.register(CoreSiteInfoCronHandler.instance);
+            },
+        },
     ],
     bootstrap: [AppComponent],
 })

src/core/components/attachments/attachments.ts

@@ -18,11 +18,11 @@ import { FileEntry } from '@ionic-native/file/ngx';
 import { CoreFileUploader, CoreFileUploaderTypeList } from '@features/fileuploader/services/fileuploader';
 import { CoreSites } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
-import { CoreWSExternalFile } from '@services/ws';
 import { Translate } from '@singletons';
 import { CoreApp } from '@services/app';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreFileUploaderHelper } from '@features/fileuploader/services/fileuploader-helper';
+import { CoreFileEntry } from '@services/file-helper';
 
 /**
  * Component to render attachments, allow adding more and delete the current ones.
@@ -43,7 +43,7 @@ import { CoreFileUploaderHelper } from '@features/fileuploader/services/fileuplo
 })
 export class CoreAttachmentsComponent implements OnInit {
 
-    @Input() files?: (CoreWSExternalFile | FileEntry)[]; // List of attachments. New attachments will be added to this array.
+    @Input() files?: CoreFileEntry[]; // List of attachments. New attachments will be added to this array.
     @Input() maxSize?: number; // Max size for attachments. -1 means unlimited, 0 means user max size, not defined means unknown.
     @Input() maxSubmissions?: number; // Max number of attachments. -1 means unlimited, not defined means unknown limit.
     @Input() component?: string; // Component the downloaded files will be linked to.

src/core/components/file/file.ts

@@ -25,7 +25,7 @@ import { CoreUtils } from '@services/utils/utils';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreConstants } from '@/core/constants';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
-import { CoreWSExternalFile } from '@services/ws';
+import { CoreWSFile } from '@services/ws';
 
 /**
  * Component to handle a remote file. Shows the file name, icon (depending on mimetype) and a button
@@ -38,7 +38,7 @@ import { CoreWSExternalFile } from '@services/ws';
 })
 export class CoreFileComponent implements OnInit, OnDestroy {
 
-    @Input() file?: CoreWSExternalFile; // The file.
+    @Input() file?: CoreWSFile; // The file.
     @Input() component?: string; // Component the file belongs to.
     @Input() componentId?: string | number; // Component ID.
     @Input() canDelete?: boolean | string; // Whether file can be deleted.
@@ -76,7 +76,7 @@ export class CoreFileComponent implements OnInit, OnDestroy {
         this.alwaysDownload = CoreUtils.isTrueOrOne(this.alwaysDownload);
         this.canDownload = CoreUtils.isTrueOrOne(this.canDownload);
 
-        this.fileUrl = this.file.fileurl;
+        this.fileUrl = CoreFileHelper.getFileUrl(this.file);
         this.timemodified = this.file.timemodified || 0;
         this.siteId = CoreSites.getCurrentSiteId();
         this.fileSize = this.file.filesize;
@@ -88,12 +88,12 @@ export class CoreFileComponent implements OnInit, OnDestroy {
 
         this.showTime = CoreUtils.isTrueOrOne(this.showTime) && this.timemodified > 0;
 
-        if (this.file.isexternalfile) {
+        if ('isexternalfile' in this.file && this.file.isexternalfile) {
             this.alwaysDownload = true; // Always show the download button in external files.
         }
 
-        this.fileIcon = this.file.mimetype ? CoreMimetypeUtils.getMimetypeIcon(this.file.mimetype) :
-            CoreMimetypeUtils.getFileIcon(this.fileName);
+        this.fileIcon = 'mimetype' in this.file && this.file.mimetype ?
+            CoreMimetypeUtils.getMimetypeIcon(this.file.mimetype) : CoreMimetypeUtils.getFileIcon(this.fileName);
 
         if (this.canDownload) {
             this.calculateState();

src/core/components/files/files.ts

@@ -13,11 +13,10 @@
 // limitations under the License.
 
 import { Component, Input, OnInit, DoCheck, KeyValueDiffers } from '@angular/core';
-import { FileEntry } from '@ionic-native/file/ngx';
+import { CoreFileEntry } from '@services/file-helper';
 
 import { CoreMimetypeUtils } from '@services/utils/mimetype';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreWSExternalFile } from '@services/ws';
 
 /**
  * Component to render a file list.
@@ -31,7 +30,7 @@ import { CoreWSExternalFile } from '@services/ws';
 })
 export class CoreFilesComponent implements OnInit, DoCheck {
 
-    @Input() files?: (CoreWSExternalFile | FileEntry)[]; // List of files.
+    @Input() files?: CoreFileEntry[]; // List of files.
     @Input() component?: string; // Component the downloaded files will be linked to.
     @Input() componentId?: string | number; // Component ID.
     @Input() alwaysDownload?: boolean | string; // Whether it should always display the refresh button when the file is downloaded.

src/core/components/mark-required/mark-required.scss

@@ -1,8 +1,10 @@
+@import "~theme/globals";
+
 :host {
     .core-input-required-asterisk {
         font-size: 8px;
-        --padding-start: 4px;
         line-height: 100%;
         vertical-align: top;
+        @include padding-horizontal(4px, null);
     }
 }