MOBILE-2824 book: Support chapterid param in links

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

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { Component, Optional, Injector } from '@angular/core';
+import { Component, Optional, Injector, Input } from '@angular/core';
 import { Content, PopoverController } from 'ionic-angular';
 import { CoreAppProvider } from '@providers/app';
 import { CoreCourseProvider } from '@core/course/providers/course';
@@ -29,6 +29,8 @@ import { AddonModBookTocPopoverComponent } from '../../components/toc-popover/to
     templateUrl: 'addon-mod-book-index.html',
 })
 export class AddonModBookIndexComponent extends CoreCourseModuleMainResourceComponent {
+    @Input() initialChapterId: string; // The initial chapter ID to load.
+
     component = AddonModBookProvider.COMPONENT;
     chapterContent: string;
     previousChapter: string;
@@ -128,7 +130,19 @@ export class AddonModBookIndexComponent extends CoreCourseModuleMainResourceComp
             this.contentsMap = this.bookProvider.getContentsMap(this.module.contents);
             this.chapters = this.bookProvider.getTocList(this.module.contents);
 
+            if (typeof this.currentChapter == 'undefined' && typeof this.initialChapterId != 'undefined' && this.chapters) {
+                // Initial chapter set. Validate that the chapter exists.
+                const chapter = this.chapters.find((chapter) => {
+                    return chapter.id == this.initialChapterId;
+                });
+
+                if (chapter) {
+                    this.currentChapter = this.initialChapterId;
+                }
+            }
+
             if (typeof this.currentChapter == 'undefined') {
+                // Load the first chapter.
                 this.currentChapter = this.bookProvider.getFirstChapter(this.chapters);
             }
 

src/addon/mod/book/pages/index/index.html

@@ -12,5 +12,5 @@
         <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
     </ion-refresher>
 
-    <addon-mod-book-index [module]="module" [courseId]="courseId" (dataRetrieved)="updateData($event)"></addon-mod-book-index>
+    <addon-mod-book-index [module]="module" [courseId]="courseId" [initialChapterId]="chapterId" (dataRetrieved)="updateData($event)"></addon-mod-book-index>
 </ion-content>

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

@@ -30,10 +30,12 @@ export class AddonModBookIndexPage {
     title: string;
     module: any;
     courseId: number;
+    chapterId: number;
 
     constructor(navParams: NavParams) {
         this.module = navParams.get('module') || {};
         this.courseId = navParams.get('courseId');
+        this.chapterId = navParams.get('chapterId');
         this.title = this.module.name;
     }
 

src/addon/mod/book/providers/link-handler.ts

@@ -15,6 +15,7 @@
 import { Injectable } from '@angular/core';
 import { CoreContentLinksModuleIndexHandler } from '@core/contentlinks/classes/module-index-handler';
 import { CoreCourseHelperProvider } from '@core/course/providers/helper';
+import { CoreContentLinksAction } from '@core/contentlinks/providers/delegate';
 
 /**
  * Handler to treat links to book.
@@ -26,4 +27,27 @@ export class AddonModBookLinkHandler extends CoreContentLinksModuleIndexHandler
     constructor(courseHelper: CoreCourseHelperProvider) {
         super(courseHelper, 'AddonModBook', 'book');
     }
+
+    /**
+     * Get the list of actions for a link (url).
+     *
+     * @param {string[]} siteIds List of sites the URL belongs to.
+     * @param {string} url The URL to treat.
+     * @param {any} params The params of the URL. E.g. 'mysite.com?id=1' -> {id: 1}
+     * @param {number} [courseId] Course ID related to the URL. Optional but recommended.
+     * @return {CoreContentLinksAction[]|Promise<CoreContentLinksAction[]>} List of (or promise resolved with list of) actions.
+     */
+    getActions(siteIds: string[], url: string, params: any, courseId?: number):
+            CoreContentLinksAction[] | Promise<CoreContentLinksAction[]> {
+
+        const modParams = params.chapterid ? {chapterId: params.chapterid} : undefined;
+        courseId = courseId || params.courseid || params.cid;
+
+        return [{
+            action: (siteId, navCtrl?): void => {
+                this.courseHelper.navigateToModule(parseInt(params.id, 10), siteId, courseId, undefined,
+                    this.useModNameToGetModule ? this.modName : undefined, modParams);
+            }
+        }];
+    }
 }