Implement notifications

src/Core/Handlers/Commands/ReadNotificationCommandHandler.php

@@ -0,0 +1,28 @@
+<?php namespace Flarum\Core\Handlers\Commands;
+
+use Flarum\Core\Models\Notification;
+use Flarum\Core\Exceptions\PermissionDeniedException;
+use Flarum\Core\Support\DispatchesEvents;
+
+class ReadNotificationCommandHandler
+{
+    use DispatchesEvents;
+
+    public function handle($command)
+    {
+        $user = $command->user;
+
+        if (! $user->exists) {
+            throw new PermissionDeniedException;
+        }
+
+        $notification = Notification::where('user_id', $user->id)->findOrFail($command->notificationId);
+
+        $notification->read();
+
+        $notification->save();
+        $this->dispatchEventsFor($notification);
+
+        return $notification;
+    }
+}

src/Core/Handlers/Events/DiscussionRenamedNotifier.php

@@ -0,0 +1,61 @@
+<?php namespace Flarum\Core\Handlers\Events;
+
+use Flarum\Core\Events\DiscussionWasRenamed;
+use Flarum\Core\Models\RenamedPost;
+use Flarum\Core\Models\Notification;
+
+class DiscussionRenamedNotifier
+{
+    /**
+     * Register the listeners for the subscriber.
+     *
+     * @param  Illuminate\Events\Dispatcher  $events
+     * @return array
+     */
+    public function subscribe($events)
+    {
+        $events->listen('Flarum\Core\Events\DiscussionWasRenamed', __CLASS__.'@whenDiscussionWasRenamed');
+    }
+
+    public function whenDiscussionWasRenamed(DiscussionWasRenamed $event)
+    {
+        $post = $this->createRenamedPost($event);
+
+        $event->discussion->postWasAdded($post);
+
+        $this->createRenamedNotification($event, $post);
+    }
+
+    protected function createRenamedPost(DiscussionWasRenamed $event)
+    {
+        $post = RenamedPost::reply(
+            $event->discussion->id,
+            $event->user->id,
+            $event->oldTitle,
+            $event->discussion->title
+        );
+
+        $post->save();
+
+        return $post;
+    }
+
+    protected function createRenamedNotification(DiscussionWasRenamed $event, RenamedPost $post)
+    {
+        if ($event->discussion->start_user_id === $event->user->id) {
+            return false;
+        }
+
+        $notification = Notification::notify(
+            $event->discussion->start_user_id,
+            'renamed',
+            $event->user->id,
+            $event->discussion->id,
+            ['number' => $post->number, 'oldTitle' => $event->oldTitle]
+        );
+
+        $notification->save();
+
+        return $notification;
+    }
+}

src/Core/Handlers/Events/RenamedPostCreator.php

@@ -1,32 +0,0 @@
-<?php namespace Flarum\Core\Handlers\Events;
-
-use Flarum\Core\Events\DiscussionWasRenamed;
-use Flarum\Core\Models\RenamedPost;
-
-class RenamedPostCreator
-{
-    /**
-     * Register the listeners for the subscriber.
-     *
-     * @param  Illuminate\Events\Dispatcher  $events
-     * @return array
-     */
-    public function subscribe($events)
-    {
-        $events->listen('Flarum\Core\Events\DiscussionWasRenamed', __CLASS__.'@whenDiscussionWasRenamed');
-    }
-
-    public function whenDiscussionWasRenamed(DiscussionWasRenamed $event)
-    {
-        $post = RenamedPost::reply(
-            $event->discussion->id,
-            $event->user->id,
-            $event->oldTitle,
-            $event->discussion->title
-        );
-
-        $post->save();
-
-        $event->discussion->postWasAdded($post);
-    }
-}