MOBILE-2201 book: Display tags in book chapters

src/addon/mod/book/components/components.module.ts

@@ -20,6 +20,7 @@ import { CoreComponentsModule } from '@components/components.module';
 import { CoreDirectivesModule } from '@directives/directives.module';
 import { CoreCourseComponentsModule } from '@core/course/components/components.module';
 import { AddonModBookIndexComponent } from './index/index';
+import { CoreTagComponentsModule } from '@core/tag/components/components.module';
 
 @NgModule({
     declarations: [
@@ -31,7 +32,8 @@ import { AddonModBookIndexComponent } from './index/index';
         TranslateModule.forChild(),
         CoreComponentsModule,
         CoreDirectivesModule,
-        CoreCourseComponentsModule
+        CoreCourseComponentsModule,
+        CoreTagComponentsModule
     ],
     providers: [
     ],

src/addon/mod/book/components/index/addon-mod-book-index.html

@@ -21,6 +21,10 @@
     <div padding>
         <core-navigation-bar [previous]="previousChapter > 0 && previousChapter" [next]="nextChapter > 0 && nextChapter" (action)="changeChapter($event)"></core-navigation-bar>
         <core-format-text [component]="component" [componentId]="componentId" [text]="chapterContent"></core-format-text>
+        <div margin-top *ngIf="tagsEnabled && contentsMap && contentsMap[currentChapter] && contentsMap[currentChapter].tags && contentsMap[currentChapter].tags.length > 0">
+            <b>{{ 'core.tag.tags' | translate }}:</b>
+            <core-tag-list [tags]="contentsMap[currentChapter].tags"></core-tag-list>
+        </div>
         <core-navigation-bar [previous]="previousChapter > 0 && previousChapter" [next]="nextChapter > 0 && nextChapter" (action)="changeChapter($event)"></core-navigation-bar>
     </div>
 

src/addon/mod/book/components/index/index.ts

@@ -19,6 +19,7 @@ import { CoreCourseProvider } from '@core/course/providers/course';
 import { CoreCourseModuleMainResourceComponent } from '@core/course/classes/main-resource-component';
 import { AddonModBookProvider, AddonModBookContentsMap, AddonModBookTocChapter } from '../../providers/book';
 import { AddonModBookPrefetchHandler } from '../../providers/prefetch-handler';
+import { CoreTagProvider } from '@core/tag/providers/tag';
 
 /**
  * Component that displays a book.
@@ -34,6 +35,7 @@ export class AddonModBookIndexComponent extends CoreCourseModuleMainResourceComp
     chapterContent: string;
     previousChapter: string;
     nextChapter: string;
+    tagsEnabled: boolean;
 
     protected chapters: AddonModBookTocChapter[];
     protected currentChapter: string;
@@ -41,7 +43,7 @@ export class AddonModBookIndexComponent extends CoreCourseModuleMainResourceComp
 
     constructor(injector: Injector, private bookProvider: AddonModBookProvider, private courseProvider: CoreCourseProvider,
             private appProvider: CoreAppProvider, private prefetchDelegate: AddonModBookPrefetchHandler,
-            private modalCtrl: ModalController, @Optional() private content: Content) {
+            private modalCtrl: ModalController, private tagProvider: CoreTagProvider, @Optional() private content: Content) {
         super(injector);
     }
 
@@ -51,6 +53,8 @@ export class AddonModBookIndexComponent extends CoreCourseModuleMainResourceComp
     ngOnInit(): void {
         super.ngOnInit();
 
+        this.tagsEnabled = this.tagProvider.areTagsAvailableInSite();
+
         this.loadContent();
     }
 

src/addon/mod/book/providers/book.ts

@@ -24,6 +24,7 @@ import { CoreUtilsProvider } from '@providers/utils/utils';
 import { CoreCourseProvider } from '@core/course/providers/course';
 import { CoreCourseLogHelperProvider } from '@core/course/providers/log-helper';
 import { CoreSite } from '@classes/site';
+import { CoreTagItem } from '@core/tag/providers/tag';
 
 /**
  * A book chapter inside the toc list.
@@ -52,7 +53,13 @@ export interface AddonModBookTocChapter {
  * Map of book contents. For each chapter it has its index URL and the list of paths of the files the chapter has. Each path
  * is identified by the relative path in the book, and the value is the URL of the file.
  */
-export type AddonModBookContentsMap = {[chapter: string]: {indexUrl?: string, paths: {[path: string]: string}}};
+export type AddonModBookContentsMap = {
+    [chapter: string]: {
+        indexUrl?: string,
+        paths: {[path: string]: string},
+        tags?: CoreTagItem[]
+    }
+};
 
 /**
  * Service that provides some features for books.
@@ -203,8 +210,9 @@ export class AddonModBookProvider {
                     map[chapter] = map[chapter] || { paths: {} };
 
                     if (content.filename == 'index.html' && filepathIsChapter) {
-                        // Index of the chapter, set indexUrl of the chapter.
+                        // Index of the chapter, set indexUrl and tags of the chapter.
                         map[chapter].indexUrl = content.fileurl;
+                        map[chapter].tags = content.tags;
                     } else {
                         if (filepathIsChapter) {
                             // It's a file in the root folder OR the WS isn't returning the filepath as it should (MDL-53671).