From 205fb9e7cbffa7a626f3cfa5b3661b2f384b6485 Mon Sep 17 00:00:00 2001
From: Noel De Martin <noel@moodle.com>
Date: Thu, 25 Feb 2021 13:32:34 +0100
Subject: [PATCH] MOBILE-3643 forum: Migrate push-click handler

---
 src/addons/mod/forum/forum.module.ts          |  3 +
 .../mod/forum/services/handlers/push-click.ts | 88 +++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 src/addons/mod/forum/services/handlers/push-click.ts

diff --git a/src/addons/mod/forum/forum.module.ts b/src/addons/mod/forum/forum.module.ts
index cc6cc3b7c..283057df3 100644
--- a/src/addons/mod/forum/forum.module.ts
+++ b/src/addons/mod/forum/forum.module.ts
@@ -36,6 +36,8 @@ import { AddonModForumListLinkHandler } from './services/handlers/list-link';
 import { AddonModForumPostLinkHandler } from './services/handlers/post-link';
 import { CoreTagAreaDelegate } from '@features/tag/services/tag-area-delegate';
 import { AddonModForumTagAreaHandler } from './services/handlers/tag-area';
+import { CorePushNotificationsDelegate } from '@features/pushnotifications/services/push-delegate';
+import { AddonModForumPushClickHandler } from './services/handlers/push-click';
 
 const mainMenuRoutes: Routes = [
     {
@@ -97,6 +99,7 @@ const courseContentsRoutes: Routes = conditionalRoutes(
                 CoreContentLinksDelegate.instance.registerHandler(AddonModForumListLinkHandler.instance);
                 CoreContentLinksDelegate.instance.registerHandler(AddonModForumPostLinkHandler.instance);
                 CoreTagAreaDelegate.instance.registerHandler(AddonModForumTagAreaHandler.instance);
+                CorePushNotificationsDelegate.instance.registerClickHandler(AddonModForumPushClickHandler.instance);
             },
         },
     ],
diff --git a/src/addons/mod/forum/services/handlers/push-click.ts b/src/addons/mod/forum/services/handlers/push-click.ts
new file mode 100644
index 000000000..dc898d75b
--- /dev/null
+++ b/src/addons/mod/forum/services/handlers/push-click.ts
@@ -0,0 +1,88 @@
+// (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 { Injectable } from '@angular/core';
+import { Params } from '@angular/router';
+
+import { AddonModForum } from '@addons/mod/forum/services/forum.service';
+import { CoreNavigator } from '@services/navigator';
+import { CorePushNotificationsClickHandler } from '@features/pushnotifications/services/push-delegate';
+import { CorePushNotificationsNotificationBasicData } from '@features/pushnotifications/services/pushnotifications';
+import { CoreUrlUtils } from '@services/utils/url';
+import { CoreUtils } from '@services/utils/utils';
+import { makeSingleton } from '@singletons';
+
+import { AddonModForumModuleHandlerService } from './module';
+
+/**
+ * Handler for forum push notifications clicks.
+ */
+@Injectable({ providedIn: 'root' })
+export class AddonModForumPushClickHandlerService implements CorePushNotificationsClickHandler {
+
+    name = 'AddonModForumPushClickHandler';
+    priority = 200;
+    featureName = 'CoreCourseModuleDelegate_AddonModForum';
+
+    /**
+     * Check if a notification click is handled by this handler.
+     *
+     * @param notification The notification to check.
+     * @return Whether the notification click is handled by this handler
+     */
+    async handles(notification: NotificationData): Promise<boolean> {
+        return CoreUtils.instance.isTrueOrOne(notification.notif)
+            && notification.moodlecomponent == 'mod_forum'
+            && notification.name == 'posts';
+    }
+
+    /**
+     * Handle the notification click.
+     *
+     * @param notification The notification to check.
+     * @return Promise resolved when done.
+     */
+    async handleClick(notification: NotificationData): Promise<void> {
+        const contextUrlParams = CoreUrlUtils.instance.extractUrlParams(notification.contexturl);
+        const data = notification.customdata || {};
+        const courseId = Number(notification.courseid);
+        const discussionId = Number(contextUrlParams.d || data.discussionid);
+        const cmId = Number(data.cmid);
+        const pageParams: Params = {
+            forumId: Number(data.instance),
+        };
+
+        if (data.postid || contextUrlParams.urlHash) {
+            pageParams.postId = Number(data.postid || contextUrlParams.urlHash.replace('p', ''));
+        }
+
+        await CoreUtils.instance.ignoreErrors(
+            AddonModForum.instance.invalidateDiscussionPosts(pageParams.discussionId, undefined, notification.site),
+        );
+
+        await CoreNavigator.instance.navigateToSitePath(
+            `${AddonModForumModuleHandlerService.PAGE_NAME}/${courseId}/${cmId}/${discussionId}`,
+            { siteId: notification.site, params: pageParams },
+        );
+    }
+
+}
+
+export class AddonModForumPushClickHandler extends makeSingleton(AddonModForumPushClickHandlerService) {}
+
+type NotificationData = CorePushNotificationsNotificationBasicData & {
+    courseid: number;
+    discussionid: number;
+    contexturl: string;
+};