504 lines
17 KiB
TypeScript

// (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/sites/site';
import { CoreCourse, CoreCourseCommonModWSOptions } from '@features/course/services/course';
import { CoreCourseModuleData } from '@features/course/services/course-helper';
import { CanLeave } from '@guards/can-leave';
import { IonContent } from '@ionic/angular';
import { CoreNetwork } from '@services/network';
import { CoreNavigator } from '@services/navigator';
import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
import { CoreUtils } from '@singletons/utils';
import { NgZone, Translate } from '@singletons';
import { CoreEvents } from '@singletons/events';
import { Subscription } from 'rxjs';
import {
AddonModFeedback,
AddonModFeedbackGetFeedbackAccessInformationWSResponse,
AddonModFeedbackPageItems,
AddonModFeedbackResponseValue,
AddonModFeedbackWSFeedback,
} from '../../services/feedback';
import { AddonModFeedbackFormItem, AddonModFeedbackHelper } from '../../services/feedback-helper';
import { AddonModFeedbackSync } from '../../services/feedback-sync';
import { CoreAnalytics, CoreAnalyticsEventType } from '@services/analytics';
import {
ADDON_MOD_FEEDBACK_COMPONENT,
ADDON_MOD_FEEDBACK_FORM_SUBMITTED,
ADDON_MOD_FEEDBACK_PAGE_NAME,
AddonModFeedbackIndexTabName,
} from '../../constants';
import { CoreLoadings } from '@services/overlays/loadings';
import { CoreError } from '@classes/errors/error';
import { CorePromiseUtils } from '@singletons/promise-utils';
import { CoreWSError } from '@classes/errors/wserror';
import { CoreObject } from '@singletons/object';
import { CoreAlerts } from '@services/overlays/alerts';
/**
* Page that displays feedback form.
*/
@Component({
selector: 'page-addon-mod-feedback-form',
templateUrl: 'form.html',
styleUrl: 'form.scss',
})
export class AddonModFeedbackFormPage implements OnInit, OnDestroy, CanLeave {
@ViewChild(IonContent) content?: IonContent;
protected module?: CoreCourseModuleData;
protected currentPage?: number;
protected onlineObserver: Subscription;
protected originalData?: Record<string, AddonModFeedbackResponseValue>;
protected currentSite: CoreSite;
protected forceLeave = false;
title?: string;
preview = false;
fromIndex = false;
cmId!: number;
courseId!: number;
feedback?: AddonModFeedbackWSFeedback;
completionPageContents?: string;
component = ADDON_MOD_FEEDBACK_COMPONENT;
offline = false;
feedbackLoaded = false;
access?: AddonModFeedbackGetFeedbackAccessInformationWSResponse;
items: AddonModFeedbackFormItem[] = [];
hasPrevPage = false;
hasNextPage = false;
completed = false;
completedOffline = false;
siteAfterSubmit?: string;
constructor() {
this.currentSite = CoreSites.getRequiredCurrentSite();
// Refresh online status when changes.
this.onlineObserver = CoreNetwork.onChange().subscribe(() => {
// Execute the callback in the Angular zone, so change detection doesn't stop working.
NgZone.run(() => {
this.offline = !CoreNetwork.isOnline();
});
});
}
/**
* @inheritdoc
*/
async ngOnInit(): Promise<void> {
try {
this.cmId = CoreNavigator.getRequiredRouteNumberParam('cmId');
this.courseId = CoreNavigator.getRequiredRouteNumberParam('courseId');
this.currentPage = CoreNavigator.getRouteNumberParam('page');
this.title = CoreNavigator.getRouteParam('title');
this.preview = !!CoreNavigator.getRouteBooleanParam('preview');
this.fromIndex = !!CoreNavigator.getRouteBooleanParam('fromIndex');
} catch (error) {
CoreAlerts.showError(error);
CoreNavigator.back();
return;
}
await this.fetchData();
if (!this.access || this.access.isempty && (!this.access.canedititems && !this.access.canviewreports)) {
CoreAlerts.showError(Translate.instant('core.nopermissiontoaccesspage'));
CoreNavigator.back();
return;
}
if (!this.feedback || !this.module) {
return;
}
try {
await AddonModFeedback.logView(this.feedback.id, 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 (!CoreObject.basicLeftCompare(responses, this.originalData, 3)) {
await CoreAlerts.confirmLeaveWithChanges();
}
}
}
return true;
}
/**
* Fetch all the data required for the view.
*
* @returns 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 = !CoreNetwork.isOnline();
const options = {
cmId: this.cmId,
readingStrategy: this.offline ? CoreSitesReadingStrategy.PREFER_CACHE : CoreSitesReadingStrategy.ONLY_NETWORK,
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) {
CoreAlerts.showError(message, { default: Translate.instant('core.course.errorgetmodule') });
this.forceLeave = true;
CoreNavigator.back();
} finally {
this.feedbackLoaded = true;
}
}
/**
* Fetch access information.
*
* @param options Options.
*/
protected async fetchAccessData(options: CoreCourseCommonModWSOptions): Promise<void> {
if (!this.feedback) {
return;
}
try {
this.access = await AddonModFeedback.getFeedbackAccessInformation(this.feedback.id, options);
} catch (error) {
if (this.offline || CoreWSError.isWebServiceError(error)) {
// Already offline or shouldn't go offline, fail.
throw error;
}
// If it fails, go offline.
this.offline = true;
options.readingStrategy = CoreSitesReadingStrategy.PREFER_CACHE;
this.access = await AddonModFeedback.getFeedbackAccessInformation(this.feedback.id, options);
}
}
/**
* Get resume page from WS.
*
* @param options Options.
* @returns Promise resolved with the page to resume.
*/
protected async fetchResumePage(options: CoreCourseCommonModWSOptions): Promise<number> {
if (!this.feedback) {
throw new CoreError('Cannot fetch resume page: missing feedback');
}
try {
return await AddonModFeedback.getResumePage(this.feedback.id, options);
} catch (error) {
if (this.offline || CoreWSError.isWebServiceError(error)) {
// Already offline or shouldn't go offline, fail.
throw error;
}
// Go offline.
this.offline = true;
options.readingStrategy = CoreSitesReadingStrategy.PREFER_CACHE;
return AddonModFeedback.getResumePage(this.feedback.id, options);
}
}
/**
* Fetch page data.
*
* @param page Page to load.
*/
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);
}
this.analyticsLogEvent();
}
/**
* Fetch page items.
*
* @param page Page to get.
* @returns Promise resolved with WS response.
*/
protected async fetchPageItems(page: number): Promise<AddonModFeedbackPageItems> {
if (!this.feedback) {
throw new CoreError('Cannot fetch page items: missing feedback');
}
const options = {
cmId: this.cmId,
readingStrategy: this.offline ? CoreSitesReadingStrategy.PREFER_CACHE : CoreSitesReadingStrategy.ONLY_NETWORK,
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 || CoreWSError.isWebServiceError(error)) {
// Already offline or shouldn't go offline, fail.
throw error;
}
// Go offline.
this.offline = true;
options.readingStrategy = CoreSitesReadingStrategy.PREFER_CACHE;
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.
*/
async gotoPage(goPrevious: boolean): Promise<void> {
if (!this.feedback || this.currentPage === undefined) {
return;
}
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 CorePromiseUtils.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(ADDON_MOD_FEEDBACK_FORM_SUBMITTED, {
feedbackId: this.feedback.id,
tab: AddonModFeedbackIndexTabName.OVERVIEW,
offline: this.completedOffline,
});
await this.fetchAccessData({
cmId: this.cmId,
readingStrategy: this.offline ? CoreSitesReadingStrategy.PREFER_CACHE : CoreSitesReadingStrategy.ONLY_NETWORK,
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(ADDON_MOD_FEEDBACK_FORM_SUBMITTED, {
feedbackId: this.feedback.id,
tab: AddonModFeedbackIndexTabName.OVERVIEW,
offline: this.completedOffline,
});
// Fetch the new page.
await this.fetchFeedbackPageData(response.jumpto);
}
} catch (message) {
CoreAlerts.showError(message, { default: Translate.instant('core.course.errorgetmodule') });
} finally {
this.feedbackLoaded = true;
}
}
/**
* Function to link implemented features.
*/
showAnalysis(): void {
if (!this.feedback) {
return;
}
if (this.fromIndex) {
// Previous page is the index page, go back.
CoreEvents.trigger(ADDON_MOD_FEEDBACK_FORM_SUBMITTED, {
feedbackId: this.feedback.id,
tab: AddonModFeedbackIndexTabName.ANALYSIS,
offline: this.completedOffline,
});
CoreNavigator.back();
return;
}
CoreNavigator.navigateToSitePath(ADDON_MOD_FEEDBACK_PAGE_NAME + `/${this.courseId}/${this.cmId}`, {
params: {
module: this.module,
tab: AddonModFeedbackIndexTabName.ANALYSIS,
},
});
}
/**
* Function to go to the page after submit.
*
* @returns Promise resolved when done.
*/
async continue(): Promise<void> {
if (!this.siteAfterSubmit) {
return CoreNavigator.back();
}
const modal = await CoreLoadings.show();
try {
await CoreSites.visitLink(this.siteAfterSubmit, { siteId: this.currentSite.id });
} finally {
modal.dismiss();
}
}
/**
* Log event in analytics.
*/
protected analyticsLogEvent(): void {
if (!this.feedback) {
return;
}
if (this.preview) {
CoreAnalytics.logEvent({
type: CoreAnalyticsEventType.VIEW_ITEM,
ws: 'mod_feedback_get_items',
name: this.feedback.name,
data: { id: this.feedback.id, category: 'feedback' },
url: `/mod/feedback/print.php?id=${this.cmId}&courseid=${this.courseId}`,
});
return;
}
let url = '/mod/feedback/complete.php';
if (!this.completed) {
url += `?id=${this.cmId}` + (this.currentPage ? `&gopage=${this.currentPage}` : '') + `&courseid=${this.courseId}`;
}
CoreAnalytics.logEvent({
type: CoreAnalyticsEventType.VIEW_ITEM,
ws: this.completed ? 'mod_feedback_get_feedback_access_information' : 'mod_feedback_get_page_items',
name: this.feedback.name,
data: { id: this.feedback.id, category: 'feedback', page: this.currentPage },
url,
});
}
/**
* @inheritdoc
*/
ngOnDestroy(): void {
this.onlineObserver.unsubscribe();
}
}