MOBILE-2414 sitehome: Support site news forum

src/core/sitehome/components/index/index.ts

@@ -18,6 +18,7 @@ import { CoreDomUtilsProvider } from '@providers/utils/dom';
 import { CoreCourseProvider } from '@core/course/providers/course';
 import { CoreCourseHelperProvider } from '@core/course/providers/helper';
 import { CoreCourseModulePrefetchDelegate } from '@core/course/providers/module-prefetch-delegate';
+import { CoreSiteHomeProvider } from '../../providers/sitehome';
 
 /**
  * Component that displays site home index.
@@ -38,7 +39,7 @@ export class CoreSiteHomeIndexComponent implements OnInit {
 
     constructor(private domUtils: CoreDomUtilsProvider, private sitesProvider: CoreSitesProvider,
             private courseProvider: CoreCourseProvider, private courseHelper: CoreCourseHelperProvider,
-            private prefetchDelegate: CoreCourseModulePrefetchDelegate) {
+            private prefetchDelegate: CoreCourseModulePrefetchDelegate, private siteHomeProvider: CoreSiteHomeProvider) {
         this.siteHomeId = sitesProvider.getCurrentSite().getSiteHomeId();
     }
 
@@ -87,6 +88,7 @@ export class CoreSiteHomeIndexComponent implements OnInit {
      * @return {Promise<any>} Promise resolved when done.
      */
     protected loadContent(): Promise<any> {
+        let hasNewsItem = false;
         this.hasContent = false;
 
         const config = this.sitesProvider.getCurrentSite().getStoredConfig() || { numsections: 1 };
@@ -114,6 +116,10 @@ export class CoreSiteHomeIndexComponent implements OnInit {
                     return;
                 }
 
+                if (item == 'news') {
+                    hasNewsItem = true;
+                }
+
                 this.hasContent = true;
                 this.items.push(item);
             });
@@ -137,6 +143,23 @@ export class CoreSiteHomeIndexComponent implements OnInit {
 
             // Add log in Moodle.
             this.courseProvider.logView(this.siteHomeId);
+
+            if (hasNewsItem && this.block && this.block.modules) {
+                // Remove forum activity (news one only) to prevent duplicates.
+                this.siteHomeProvider.getNewsForum(this.siteHomeId).then((forum) => {
+                    // Search the module that belongs to site news.
+                    for (let i = 0; i < this.block.modules.length; i++) {
+                        const module = this.block.modules[i];
+
+                        if (module.modname == 'forum' && module.instance == forum.id) {
+                            this.block.modules.splice(i, 1);
+                            break;
+                        }
+                    }
+                }).catch(() => {
+                    // Ignore errors.
+                });
+            }
         }).catch((error) => {
             this.domUtils.showErrorModalDefault(error, 'core.course.couldnotloadsectioncontent', true);
         });

src/core/sitehome/components/news/news.ts

@@ -14,6 +14,9 @@
 
 import { Component, OnInit } from '@angular/core';
 import { CoreSitesProvider } from '@providers/sites';
+import { CoreCourseProvider } from '@core/course/providers/course';
+import { CoreCourseModuleDelegate } from '@core/course/providers/module-delegate';
+import { CoreSiteHomeProvider } from '../../providers/sitehome';
 
 /**
  * Component that displays site home news.
@@ -27,7 +30,8 @@ export class CoreSiteHomeNewsComponent implements OnInit {
     show: boolean;
     siteHomeId: number;
 
-    constructor(private sitesProvider: CoreSitesProvider) {
+    constructor(private sitesProvider: CoreSitesProvider, private courseProvider: CoreCourseProvider,
+            private moduleDelegate: CoreCourseModuleDelegate, private siteHomeProvider: CoreSiteHomeProvider) {
         this.siteHomeId = sitesProvider.getCurrentSite().getSiteHomeId();
     }
 
@@ -36,11 +40,23 @@ export class CoreSiteHomeNewsComponent implements OnInit {
      */
     ngOnInit(): void {
         // Get number of news items to show.
-        const newsItems = this.sitesProvider.getCurrentSite().getStoredConfig('newsitems') || 0;
+        const currentSite = this.sitesProvider.getCurrentSite(),
+            newsItems = currentSite.getStoredConfig('newsitems') || 0;
         if (!newsItems) {
             return;
         }
 
-        // @todo: Implement it once forum is supported.
+        const siteHomeId = currentSite.getSiteHomeId();
+
+        // Get the news forum.
+        this.siteHomeProvider.getNewsForum(siteHomeId).then((forum) => {
+            return this.courseProvider.getModuleBasicInfo(forum.cmid).then((module) => {
+                this.show = true;
+                this.module = module;
+                module.handlerData = this.moduleDelegate.getModuleDataFor(module.modname, module, siteHomeId, module.section);
+            });
+        }).catch(() => {
+            // Ignore errors.
+        });
     }
 }

src/core/sitehome/providers/sitehome.ts

@@ -17,6 +17,7 @@ import { CoreLoggerProvider } from '@providers/logger';
 import { CoreSitesProvider } from '@providers/sites';
 import { CoreSite } from '@classes/site';
 import { CoreCourseProvider } from '@core/course/providers/course';
+import { AddonModForumProvider } from '@addon/mod/forum/providers/forum';
 
 /**
  * Service that provides some features regarding site home.
@@ -25,10 +26,29 @@ import { CoreCourseProvider } from '@core/course/providers/course';
 export class CoreSiteHomeProvider {
     protected logger;
 
-    constructor(logger: CoreLoggerProvider, private sitesProvider: CoreSitesProvider, private courseProvider: CoreCourseProvider) {
+    constructor(logger: CoreLoggerProvider, private sitesProvider: CoreSitesProvider, private courseProvider: CoreCourseProvider,
+            private forumProvider: AddonModForumProvider) {
         this.logger = logger.getInstance('CoreSiteHomeProvider');
     }
 
+    /**
+     * Get the news forum for the Site Home.
+     *
+     * @param {number} siteHomeId Site Home ID.
+     * @return {Promise<any>} Promise resolved with the forum if found, rejected otherwise.
+     */
+    getNewsForum(siteHomeId: number): Promise<any> {
+        return this.forumProvider.getCourseForums(siteHomeId).then((forums) => {
+            for (let i = 0; i < forums.length; i++) {
+                if (forums[i].type == 'news') {
+                    return forums[i];
+                }
+            }
+
+            return Promise.reject(null);
+        });
+    }
+
     /**
      * Returns whether or not the frontpage is available for the current site.
      *