Layout: Converted tri-layout component to ts

[bookstack] / app / Entities / Tools / TrashCan.php

diff --git a/app/Entities/Tools/TrashCan.php b/app/Entities/Tools/TrashCan.php
index ab62165af1583e146298652e60a984571e12f9ff..39c982cdc92a25219b0df21bfaadac9c4b52a372 100644 (file)
--- a/app/Entities/Tools/TrashCan.php
+++ b/app/Entities/Tools/TrashCan.php
@@ -10,6 +10,7 @@ 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;
@@ -20,11 +21,19 @@ use Illuminate\Support\Carbon;
 
 class TrashCan
 {
+    public function __construct(
+        protected EntityQueries $queries,
+    ) {
+    }
+
     /**
      * Send a shelf to the recycle bin.
+     *
+     * @throws NotifyException
      */
     public function softDestroyShelf(Bookshelf $shelf)
     {
+        $this->ensureDeletable($shelf);
         Deletion::createForEntity($shelf);
         $shelf->delete();
     }
@@ -36,6 +45,7 @@ class TrashCan
      */
     public function softDestroyBook(Book $book)
     {
+        $this->ensureDeletable($book);
         Deletion::createForEntity($book);
 
         foreach ($book->pages as $page) {
@@ -57,6 +67,7 @@ class TrashCan
     public function softDestroyChapter(Chapter $chapter, bool $recordDelete = true)
     {
         if ($recordDelete) {
+            $this->ensureDeletable($chapter);
             Deletion::createForEntity($chapter);
         }
 
@@ -77,19 +88,47 @@ class TrashCan
     public function softDestroyPage(Page $page, bool $recordDelete = true)
     {
         if ($recordDelete) {
+            $this->ensureDeletable($page);
             Deletion::createForEntity($page);
         }
 
-        // Check if set as custom homepage & remove setting if not used or throw error if active
-        $customHome = setting('app-homepage', '0:');
-        if (intval($page->id) === intval(explode(':', $customHome)[0])) {
-            if (setting('app-homepage-type') === 'page') {
-                throw new NotifyException(trans('errors.page_custom_home_deletion'), $page->getUrl());
+        $page->delete();
+    }
+
+    /**
+     * Ensure the given entity is deletable.
+     * Is not for permissions, but logical conditions within the application.
+     * Will throw if not deletable.
+     *
+     * @throws NotifyException
+     */
+    protected function ensureDeletable(Entity $entity): void
+    {
+        $customHomeId = intval(explode(':', setting('app-homepage', '0:'))[0]);
+        $customHomeActive = setting('app-homepage-type') === 'page';
+        $removeCustomHome = false;
+
+        // Check custom homepage usage for pages
+        if ($entity instanceof Page && $entity->id === $customHomeId) {
+            if ($customHomeActive) {
+                throw new NotifyException(trans('errors.page_custom_home_deletion'), $entity->getUrl());
+            }
+            $removeCustomHome = true;
+        }
+
+        // Check custom homepage usage within chapters or books
+        if ($entity instanceof Chapter || $entity instanceof Book) {
+            if ($entity->pages()->where('id', '=', $customHomeId)->exists()) {
+                if ($customHomeActive) {
+                    throw new NotifyException(trans('errors.page_custom_home_deletion'), $entity->getUrl());
+                }
+                $removeCustomHome = true;
             }
-            setting()->remove('app-homepage');
         }
 
-        $page->delete();
+        if ($removeCustomHome) {
+            setting()->remove('app-homepage');
+        }
     }
 
     /**
@@ -164,11 +203,21 @@ class TrashCan
         $page->allRevisions()->delete();
 
         // Delete Attached Files
-        $attachmentService = app(AttachmentService::class);
+        $attachmentService = app()->make(AttachmentService::class);
         foreach ($page->attachments as $attachment) {
             $attachmentService->deleteFile($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;
@@ -311,7 +360,7 @@ class TrashCan
      *
      * @throws Exception
      */
-    protected function destroyEntity(Entity $entity): int
+    public function destroyEntity(Entity $entity): int
     {
         if ($entity instanceof Page) {
             return $this->destroyPage($entity);
@@ -343,6 +392,9 @@ class TrashCan
         $entity->searchTerms()->delete();
         $entity->deletions()->delete();
         $entity->favourites()->delete();
+        $entity->watches()->delete();
+        $entity->referencesTo()->delete();
+        $entity->referencesFrom()->delete();
 
         if ($entity instanceof HasCoverImage && $entity->cover()->exists()) {
             $imageService = app()->make(ImageService::class);