X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/cc10d1ddfc652f6bcf3bbf61d5ec2e2861394c03..refs/pull/5689/head:/app/Entities/Tools/TrashCan.php

diff --git a/app/Entities/Tools/TrashCan.php b/app/Entities/Tools/TrashCan.php
index 08276230c..5e8a93719 100644
--- a/app/Entities/Tools/TrashCan.php
+++ b/app/Entities/Tools/TrashCan.php
@@ -10,16 +10,23 @@ use BookStack\Entities\Models\Deletion;
 use BookStack\Entities\Models\Entity;
 use BookStack\Entities\Models\HasCoverImage;
 use BookStack\Entities\Models\Page;
+use BookStack\Entities\Queries\EntityQueries;
 use BookStack\Exceptions\NotifyException;
 use BookStack\Facades\Activity;
 use BookStack\Uploads\AttachmentService;
 use BookStack\Uploads\ImageService;
+use BookStack\Util\DatabaseTransaction;
 use Exception;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Carbon;
 
 class TrashCan
 {
+    public function __construct(
+        protected EntityQueries $queries,
+    ) {
+    }
+
     /**
      * Send a shelf to the recycle bin.
      *
@@ -202,6 +209,16 @@ class TrashCan
             $attachmentService->deleteFile($attachment);
         }
 
+        // Remove book template usages
+        $this->queries->books->start()
+            ->where('default_template_id', '=', $page->id)
+            ->update(['default_template_id' => null]);
+
+        // Remove chapter template usages
+        $this->queries->chapters->start()
+            ->where('default_template_id', '=', $page->id)
+            ->update(['default_template_id' => null]);
+
         $page->forceDelete();
 
         return 1;
@@ -341,25 +358,26 @@ class TrashCan
 
     /**
      * Destroy the given entity.
+     * Returns the number of total entities destroyed in the operation.
      *
      * @throws Exception
      */
     public function destroyEntity(Entity $entity): int
     {
-        if ($entity instanceof Page) {
-            return $this->destroyPage($entity);
-        }
-        if ($entity instanceof Chapter) {
-            return $this->destroyChapter($entity);
-        }
-        if ($entity instanceof Book) {
-            return $this->destroyBook($entity);
-        }
-        if ($entity instanceof Bookshelf) {
-            return $this->destroyShelf($entity);
-        }
+        $result = (new DatabaseTransaction(function () use ($entity) {
+            if ($entity instanceof Page) {
+                return $this->destroyPage($entity);
+            } else if ($entity instanceof Chapter) {
+                return $this->destroyChapter($entity);
+            } else if ($entity instanceof Book) {
+                return $this->destroyBook($entity);
+            } else if ($entity instanceof Bookshelf) {
+                return $this->destroyShelf($entity);
+            }
+            return null;
+        }))->run();
 
-        return 0;
+        return $result ?? 0;
     }
 
     /**