Use new Model extender

extensions/approval/extend.php

@@ -9,7 +9,9 @@
 
 use Flarum\Approval\Access;
 use Flarum\Approval\Listener;
+use Flarum\Discussion\Discussion;
 use Flarum\Extend;
+use Flarum\Post\Post;
 use Illuminate\Contracts\Events\Dispatcher;
 
 return [
@@ -20,6 +22,14 @@ return [
     (new Extend\Frontend('admin'))
         ->js(__DIR__.'/js/dist/admin.js'),
 
+    // Discussions should be approved by default
+    (new Extend\Model(Discussion::class))
+        ->default('is_approved', true),
+
+    // Posts should be approved by default
+    (new Extend\Model(Post::class))
+        ->default('is_approved', true),
+
     function (Dispatcher $events) {
         $events->subscribe(Listener\AddPostApprovalAttributes::class);
         $events->subscribe(Listener\ApproveContent::class);

extensions/approval/src/Listener/UnapproveNewContent.php

@@ -10,7 +10,6 @@
 namespace Flarum\Approval\Listener;
 
 use Flarum\Discussion\Discussion;
-use Flarum\Event\ConfigureModelDefaultAttributes;
 use Flarum\Event\GetModelIsPrivate;
 use Flarum\Flags\Flag;
 use Flarum\Post\Event\Saving;
@@ -24,21 +23,10 @@ class UnapproveNewContent
      */
     public function subscribe(Dispatcher $events)
     {
-        $events->listen(ConfigureModelDefaultAttributes::class, [$this, 'approveByDefault']);
         $events->listen(Saving::class, [$this, 'unapproveNewPosts']);
         $events->listen(GetModelIsPrivate::class, [$this, 'markUnapprovedContentAsPrivate']);
     }
 
-    /**
-     * @param ConfigureModelDefaultAttributes $event
-     */
-    public function approveByDefault(ConfigureModelDefaultAttributes $event)
-    {
-        if ($event->isModel(Post::class) || $event->isModel(Discussion::class)) {
-            $event->attributes['is_approved'] = true;
-        }
-    }
-
     /**
      * @param Saving $event
      */