X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/a6633642232efd164d4708967ab59e498fbff896..refs/pull/3139/head:/app/Actions/Activity.php

diff --git a/app/Actions/Activity.php b/app/Actions/Activity.php
index 9d256c9b2..3b1408cb9 100644
--- a/app/Actions/Activity.php
+++ b/app/Actions/Activity.php
@@ -6,28 +6,29 @@ use BookStack\Auth\User;
 use BookStack\Entities\Models\Entity;
 use BookStack\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
 use Illuminate\Support\Str;
 
 /**
  * @property string $type
- * @property User $user
+ * @property User   $user
  * @property Entity $entity
  * @property string $detail
  * @property string $entity_type
- * @property int $entity_id
- * @property int $user_id
+ * @property int    $entity_id
+ * @property int    $user_id
  */
 class Activity extends Model
 {
-
     /**
      * Get the entity for this activity.
      */
-    public function entity()
+    public function entity(): MorphTo
     {
         if ($this->entity_type === '') {
             $this->entity_type = null;
         }
+
         return $this->morphTo('entity');
     }
 
@@ -53,14 +54,14 @@ class Activity extends Model
     public function isForEntity(): bool
     {
         return Str::startsWith($this->type, [
-            'page_', 'chapter_', 'book_', 'bookshelf_'
+            'page_', 'chapter_', 'book_', 'bookshelf_',
         ]);
     }
 
     /**
      * Checks if another Activity matches the general information of another.
      */
-    public function isSimilarTo(Activity $activityB): bool
+    public function isSimilarTo(self $activityB): bool
     {
         return [$this->type, $this->entity_type, $this->entity_id] === [$activityB->type, $activityB->entity_type, $activityB->entity_id];
     }