Update forum auto notification to include replies

app/Http/Controllers/Forum/TopicsController.php

···
 
         priv_check('ForumTopicReply', $topic)->ensureCan();
 
-        $post = Post::createNew($topic, auth()->user(), get_string(request('body')));
+        $user = \Auth::user();
+        $post = Post::createNew($topic, $user, get_string(request('body')));
 
-        $post->markRead(Auth::user());
-        (new ForumTopicReply($post, auth()->user()))->dispatch();
+        $post->markRead($user);
+        (new ForumTopicReply($post, $user))->dispatch();
+
+        $watch = $user->user_notify
+            ? TopicWatch::setState($topic, $user, 'watching_mail')
+            : TopicWatch::lookup($topic, $user);
 
         if (is_api_request()) {
             return json_item($post, 'Forum\Post', ['body']);
         } else {
-            return ext_view('forum.topics._posts', [
-                'firstPostPosition' => $topic->postPosition($post->post_id),
-                'posts' => collect([$post]),
-                'topic' => $topic,
-            ]);
+            return [
+                'posts' => view('forum.topics._posts', [
+                    'firstPostPosition' => $topic->postPosition($post->post_id),
+                    'posts' => collect([$post]),
+                    'topic' => $topic,
+                ])->render(),
+                'watch' => view('forum.topics._watch', [
+                    'state' => $watch,
+                    'topic' => $topic,
+                ])->render(),
+            ];
         }
     }
 

resources/js/core-legacy/forum-topic-reply.coffee

···
     input.value = ''
     @bbcodePreview.hidePreview(target: input)
 
-    $newPost = $(data)
+    $newPost = $(data.posts)
 
     needReload = (@forum.postPosition($newPost[0]) - 1) != @forum.postPosition(@forum.endPost()) ||
       e.target.dataset.forceReload == '1'
···
     if needReload
       navigate $newPost.find('.js-post-url').attr('href')
     else
+      $('.js-forum-topic-watch').replaceWith(data.watch)
       @forum.setTotalPosts(@forum.totalPosts() + 1)
-      @forum.endPost().insertAdjacentHTML 'afterend', data
+      @forum.endPost().insertAdjacentHTML 'afterend', data.posts
 
       @forum.endPost().scrollIntoView()
 

resources/lang/en/accounts.php

···
         'beatmapset_disqualify' => 'receive notifications for when beatmaps of the following modes are disqualified',
         'comment_reply' => 'receive notifications for replies to your comments',
         'title' => 'Notifications',
-        'topic_auto_subscribe' => 'automatically enable notifications on new forum topics that you create',
+        'topic_auto_subscribe' => 'automatically enable notifications on new forum topics that you create or replied to',
 
         'options' => [
             '_' => 'delivery options',