Fix forum repositories

src/CourseBundle/Repository/CForumCategoryRepository.php

@@ -10,6 +10,7 @@ use Chamilo\CoreBundle\Entity\Course;
 use Chamilo\CoreBundle\Entity\ResourceInterface;
 use Chamilo\CoreBundle\Entity\Session;
 use Chamilo\CoreBundle\Repository\ResourceRepository;
+use Chamilo\CourseBundle\Entity\CForum;
 use Chamilo\CourseBundle\Entity\CForumCategory;
 use Doctrine\Persistence\ManagerRegistry;
 
@@ -34,4 +35,19 @@ class CForumCategoryRepository extends ResourceRepository
     {
         return $this->getResourcesByCourse($course, $session, $group, $parentNode);
     }*/
+
+    public function delete(ResourceInterface $resource): void
+    {
+        /** @var CForumCategory $resource */
+        $forums = $resource->getForums();
+        $repo = $this->getEntityManager()->getRepository(CForum::class);
+        if (!empty($forums)) {
+            foreach ($forums as $forum) {
+                /** @var CForum $forum */
+                $repo->delete($forum);
+            }
+        }
+
+        parent::delete($resource);
+    }
 }

src/CourseBundle/Repository/CForumThreadRepository.php

@@ -9,7 +9,6 @@ namespace Chamilo\CourseBundle\Repository;
 use Chamilo\CoreBundle\Entity\Course;
 use Chamilo\CoreBundle\Entity\ResourceInterface;
 use Chamilo\CoreBundle\Entity\Session;
-use Chamilo\CoreBundle\Framework\Container;
 use Chamilo\CoreBundle\Repository\ResourceRepository;
 use Chamilo\CourseBundle\Entity\CForumPost;
 use Chamilo\CourseBundle\Entity\CForumThread;
@@ -58,7 +57,7 @@ class CForumThreadRepository extends ResourceRepository
     {
         /** @var CForumThread $resource */
         $posts = $resource->getPosts();
-        $repo = Container::getForumPostRepository();
+        $repo = $this->getEntityManager()->getRepository(CForumPost::class);
         if (!empty($posts)) {
             foreach ($posts as $post) {
                 /** @var CForumPost $post */

tests/CourseBundle/Repository/CForumCategoryRepositoryTest.php

@@ -58,6 +58,6 @@ class CForumCategoryRepositoryTest extends AbstractApiTest
         $categoryRepo->delete($category);
 
         $this->assertSame(0, $categoryRepo->count([]));
-        $this->assertSame(1, $forumRepo->count([]));
+        $this->assertSame(0, $forumRepo->count([]));
     }
 }