MOBILE-2317 user: Add user links handler

src/core/courses/pages/course-preview/course-preview.html

@@ -21,19 +21,20 @@
                 <core-format-text [text]="course.summary" maxHeight="120"></core-format-text>
             </ion-item>
 
-            <a ion-item text-wrap *ngIf="course.contacts && course.contacts.length" detail-none>
+            <ng-container text-wrap *ngIf="course.contacts && course.contacts.length">
-                <p class="item-heading">{{ 'core.teachers' | translate }}</p>
+                <ion-item-divider color="light">{{ 'core.teachers' | translate }}</ion-item-divider>
-                <p *ngFor="let contact of course.contacts">{{contact.fullname}}</p>
+                <a ion-item text-wrap *ngFor="let contact of course.contacts" core-user-link userId="{{contact.id}}" courseId="{{isEnrolled ? course.id : null}}" [attr.aria-label]="'core.viewprofile' | translate">{{contact.fullname}}</a>
-            </a>
+                <ion-item-divider color="light"></ion-item-divider>
+            </ng-container>
             <core-file *ngFor="let file of course.overviewfiles" [file]="file" [component]="component" [componentId]="course.id"></core-file>
             <div *ngIf="!isEnrolled" detail-none>
                 <ion-item text-wrap *ngFor="let instance of selfEnrolInstances">
-                    <p class="item-heading">{{ instance.name }}</p>
+                    <h2>{{ instance.name }}</h2>
                     <button ion-button block margin-top (click)="selfEnrolClicked(instance.id)">{{ 'core.courses.enrolme' | translate }}</button>
                 </ion-item>
             </div>
             <ion-item text-wrap *ngIf="!isEnrolled && paypalEnabled" detail-none>
-                <p class="item-heading">{{ 'core.courses.paypalaccepted' | translate }}</p>
+                <h2>{{ 'core.courses.paypalaccepted' | translate }}</h2>
                 <p>{{ 'core.paymentinstant' | translate }}</p>
                 <button ion-button block margin-top (click)="paypalEnrol()">{{ 'core.courses.sendpaymentbutton' | translate }}</button>
             </ion-item>

src/core/user/providers/helper.ts

@@ -59,11 +59,9 @@ export class CoreUserHelperProvider {
 
         let separator = this.translate.instant('core.listsep');
 
-        roles.map((value) => {
+        return roles.map((value) => {
             let translation = this.translate.instant('core.user.' + value.shortname);
             return translation.indexOf('core.user.') < 0 ? translation : value.shortname;
-        });
+        }).join(separator + " ");
-
-        return roles.join(separator + " ");
     }
 }

src/core/user/providers/user-link-handler.ts

@@ -0,0 +1,69 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// 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 '../../contentlinks/classes/base-handler';
+import { CoreContentLinksAction } from '../../contentlinks/providers/delegate';
+import { CoreLoginHelperProvider } from '../../login/providers/helper';
+
+/**
+ * Handler to treat links to user profiles.
+ */
+@Injectable()
+export class CoreUserProfileLinkHandler extends CoreContentLinksHandlerBase {
+    name = 'CoreUserProfileLinkHandler';
+    // Match user/view.php and user/profile.php but NOT grade/report/user/.
+    pattern = /((\/user\/view\.php)|(\/user\/profile\.php)).*([\?\&]id=\d+)/;
+
+    constructor(private loginHelper: CoreLoginHelperProvider) {
+        super();
+    }
+
+    /**
+     * 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[]> {
+        return [{
+            action: (siteId, navCtrl?) => {
+                let stateParams = {
+                    courseId: params.course,
+                    userId: parseInt(params.id, 10)
+                };
+                // Always use redirect to make it the new history root (to avoid "loops" in history).
+                this.loginHelper.redirect('CoreUserProfilePage', stateParams, siteId);
+            }
+        }];
+    }
+
+    /**
+     * Check if the handler is enabled for a certain site (site + user) and a URL.
+     * If not defined, defaults to true.
+     *
+     * @param {string} siteId The site ID.
+     * @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 {boolean|Promise<boolean>} Whether the handler is enabled for the URL and site.
+     */
+    isEnabled(siteId: string, url: string, params: any, courseId?: number) : boolean|Promise<boolean> {
+        return url.indexOf('/grade/report/') == -1;
+    }
+}

src/core/user/user.module.ts

@@ -20,6 +20,8 @@ import { CoreUserHelperProvider } from './providers/helper';
 import { CoreUserProfileMailHandler } from './providers/user-handler';
 import { CoreEventsProvider } from '../../providers/events';
 import { CoreSitesProvider } from '../../providers/sites';
+import { CoreContentLinksDelegate } from '../contentlinks/providers/delegate';
+import { CoreUserProfileLinkHandler } from './providers/user-link-handler';
 
 @NgModule({
     declarations: [
@@ -31,13 +33,16 @@ import { CoreSitesProvider } from '../../providers/sites';
         CoreUserProfileFieldDelegate,
         CoreUserProfileMailHandler,
         CoreUserProvider,
-        CoreUserHelperProvider
+        CoreUserHelperProvider,
+        CoreUserProfileLinkHandler
     ]
 })
 export class CoreUserModule {
     constructor(userDelegate: CoreUserDelegate, userProfileMailHandler: CoreUserProfileMailHandler,
-            eventsProvider: CoreEventsProvider, sitesProvider: CoreSitesProvider, userProvider: CoreUserProvider) {
+            eventsProvider: CoreEventsProvider, sitesProvider: CoreSitesProvider, userProvider: CoreUserProvider,
+            contentLinksDelegate: CoreContentLinksDelegate, userLinkHandler: CoreUserProfileLinkHandler) {
         userDelegate.registerHandler(userProfileMailHandler);
+        contentLinksDelegate.registerHandler(userLinkHandler);
 
         eventsProvider.on(CoreEventsProvider.USER_DELETED, (data) => {
             // Search for userid in params.