X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/f2ee95ca03a2bc1c0f80b5d775a340d920784bdb..refs/pull/3113/head:/app/Entities/Models/Entity.php

diff --git a/app/Entities/Models/Entity.php b/app/Entities/Models/Entity.php
index 4c4e55bb8..0eb402284 100644
--- a/app/Entities/Models/Entity.php
+++ b/app/Entities/Models/Entity.php
@@ -12,6 +12,7 @@ use BookStack\Auth\Permissions\JointPermission;
 use BookStack\Entities\Tools\SearchIndex;
 use BookStack\Entities\Tools\SlugGenerator;
 use BookStack\Facades\Permissions;
+use BookStack\Interfaces\Deletable;
 use BookStack\Interfaces\Favouritable;
 use BookStack\Interfaces\Sluggable;
 use BookStack\Interfaces\Viewable;
@@ -44,7 +45,7 @@ use Illuminate\Database\Eloquent\SoftDeletes;
  * @method static Builder withLastView()
  * @method static Builder withViewCount()
  */
-abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
+abstract class Entity extends Model implements Sluggable, Favouritable, Viewable, Deletable
 {
     use SoftDeletes;
     use HasCreatorAndUpdater;
@@ -120,11 +121,11 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
             return true;
         }
 
-        if (($entity->isA('chapter') || $entity->isA('page')) && $this->isA('book')) {
+        if (($entity instanceof BookChild) && $this instanceof Book) {
             return $entity->book_id === $this->id;
         }
 
-        if ($entity->isA('page') && $this->isA('chapter')) {
+        if ($entity instanceof Page && $this instanceof Chapter) {
             return $entity->chapter_id === $this->id;
         }
 
@@ -210,6 +211,8 @@ abstract class Entity extends Model implements Sluggable, Favouritable, Viewable
     /**
      * Check if this instance or class is a certain type of entity.
      * Examples of $type are 'page', 'book', 'chapter'.
+     *
+     * @deprecated Use instanceof instead.
      */
     public static function isA(string $type): bool
     {