Implement notifications

src/Api/Actions/Notifications/IndexAction.php

@@ -0,0 +1,50 @@
+<?php namespace Flarum\Api\Actions\Notifications;
+
+use Flarum\Core\Repositories\NotificationRepositoryInterface;
+use Flarum\Core\Support\Actor;
+use Flarum\Core\Exceptions\PermissionDeniedException;
+use Flarum\Api\Actions\BaseAction;
+use Flarum\Api\Actions\ApiParams;
+use Flarum\Api\Serializers\NotificationSerializer;
+
+class IndexAction extends BaseAction
+{
+    /**
+     * Instantiate the action.
+     *
+     * @param  \Flarum\Core\Search\Discussions\UserSearcher  $searcher
+     */
+    public function __construct(Actor $actor, NotificationRepositoryInterface $notifications)
+    {
+        $this->actor = $actor;
+        $this->notifications = $notifications;
+    }
+
+    /**
+     * Show a user's notifications feed.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    protected function run(ApiParams $params)
+    {
+        $start = $params->start();
+        $count = $params->count(10, 50);
+
+        if (! $this->actor->isAuthenticated()) {
+            throw new PermissionDeniedException;
+        }
+
+        $user = $this->actor->getUser();
+
+        $notifications = $this->notifications->findByUser($user->id, $count, $start);
+
+        $user->markNotificationsAsRead()->save();
+
+        // Finally, we can set up the notification serializer and use it to create
+        // a collection of notification results.
+        $serializer = new NotificationSerializer(['sender', 'subject', 'subject.discussion']);
+        $document = $this->document()->setData($serializer->collection($notifications));
+
+        return $this->respondWithDocument($document);
+    }
+}

src/Api/Actions/Notifications/UpdateAction.php

@@ -0,0 +1,34 @@
+<?php namespace Flarum\Api\Actions\Notifications;
+
+use Flarum\Core\Commands\ReadNotificationCommand;
+use Flarum\Api\Actions\BaseAction;
+use Flarum\Api\Actions\ApiParams;
+use Flarum\Api\Serializers\NotificationSerializer;
+
+class UpdateAction extends BaseAction
+{
+    /**
+     * Edit a discussion. Allows renaming the discussion, and updating its read
+     * state with regards to the current user.
+     *
+     * @return Response
+     */
+    protected function run(ApiParams $params)
+    {
+        $notificationId = $params->get('id');
+        $user = $this->actor->getUser();
+
+        // if ($params->get('notifications.isRead')) {
+            $command = new ReadNotificationCommand($notificationId, $user);
+            $notification = $this->dispatch($command, $params);
+        // }
+
+        // Presumably, the discussion was updated successfully. (One of the command
+        // handlers would have thrown an exception if not.) We set this
+        // discussion as our document's primary element.
+        $serializer = new NotificationSerializer;
+        $document = $this->document()->setData($serializer->resource($notification));
+
+        return $this->respondWithDocument($document);
+    }
+}