fix(activitypub): add target_actor_id for create activity to broadcast post reply

modules/Fediverse/Controllers/SchedulerController.php

@@ -28,12 +28,14 @@ class SchedulerController extends Controller
         // Send activity to all followers
         foreach ($scheduledActivities as $scheduledActivity) {
             if ($scheduledActivity->target_actor_id !== null) {
-                // send activity to targeted actor
-                send_activity_to_actor(
-                    $scheduledActivity->actor,
-                    $scheduledActivity->targetActor,
-                    json_encode($scheduledActivity->payload, JSON_THROW_ON_ERROR)
-                );
+                if ($scheduledActivity->actor_id !== $scheduledActivity->target_actor_id) {
+                    // send activity to targeted actor
+                    send_activity_to_actor(
+                        $scheduledActivity->actor,
+                        $scheduledActivity->targetActor,
+                        json_encode($scheduledActivity->payload, JSON_THROW_ON_ERROR)
+                    );
+                }
             } else {
                 // send activity to all actor followers
                 send_activity_to_followers(

modules/Fediverse/Models/PostModel.php

@@ -299,7 +299,7 @@ class PostModel extends BaseUuidModel
                 ->newActivity(
                     'Create',
                     $post->actor_id,
-                    null,
+                    $post->in_reply_to_id === null ? null : $post->reply_to_post->actor_id,
                     $newPostId,
                     $createActivity->toJSON(),
                     $post->published_at,

modules/Fediverse/Objects/NoteObject.php

@@ -39,6 +39,8 @@ class NoteObject extends ObjectType
         $this->attributedTo = $post->actor->uri;
 
         if ($post->in_reply_to_id !== null) {
+            $this->to[] = $post->reply_to_post->actor->uri;
+
             $this->inReplyTo = $post->reply_to_post->uri;
         }