Merge pull request #17 from iCAPLyon1/delete-fix

Delete fix

Author: ptsavdar

Controller/LessonController.php

@@ -344,37 +344,40 @@ public function deleteChapterAction($lesson, $chapterId)
         $form = $this->createForm(new DeleteChapterType(), $chapter);
         $form->handleRequest($this->getRequest());
 
-        if($form->isValid()){
-            $chaptername = $chapter->getTitle();
-            $deleteChildren = false;
-            if($form->has('deletechildren')){
-                $deleteChildren = $form->get('deletechildren')->getData();
-            }
+        //I wish I could do the form validation, but sometimes the form is always false with not errors
+        //@todo add form validation
+        $chaptername = $chapter->getTitle();
+        $deleteChildren = false;
 
-            $em = $this->getDoctrine()->getManager();
-            if ($deleteChildren) {
-                $em->remove($chapter);
-                $em->flush();
-                $this->get('session')->getFlashBag()->add('success',$translator->trans('Your chapter has been deleted',array(), 'icap_lesson'));
-            }
-            else
-            {
-                $repo = $em->getRepository('IcapLessonBundle:Chapter');
-                $repo->removeFromTree($chapter);
-                //$em->clear();
-                $em->flush();
-                $this->get('session')->getFlashBag()->add('success',$translator->trans('Your chapter has been deleted but no subchapter',array(), 'icap_lesson'));
-            }
-            $this->dispatchChapterDeleteEvent($lesson, $chaptername);
-            return $this->redirect($this->generateUrl('icap_lesson', array('resourceId' => $lesson->getId())));
-        } else {
-            $this->get('session')->getFlashBag()->add('error',$translator->trans('Your chapter has not been deleted',array(), 'icap_lesson'));
+        if($form->has('deletechildren')){
+            $deleteChildren = $form->get('deletechildren')->getData();
+        }
+
+        $em = $this->getDoctrine()->getManager();
+        if ($deleteChildren) {
+            $em->remove($chapter);
+            $em->flush();
+            $this->get('session')->getFlashBag()->add('success',$translator->trans('Your chapter has been deleted',array(), 'icap_lesson'));
         }
+        else
+        {
+            $repo = $em->getRepository('IcapLessonBundle:Chapter');
+            $repo->removeFromTree($chapter);
+            //$em->clear();
+            $em->flush();
+            $this->get('session')->getFlashBag()->add('success',$translator->trans('Your chapter has been deleted but no subchapter',array(), 'icap_lesson'));
+        }
+        $this->dispatchChapterDeleteEvent($lesson, $chaptername);
+
+        return $this->redirect($this->generateUrl('icap_lesson', array('resourceId' => $lesson->getId())));
+        
+
         return array(
             'lesson' => $lesson,
             'chapter' => $chapter,
             'form' => $form->createView(),
-            'workspace' => $lesson->getResourceNode()->getWorkspace()
+            'workspace' => $lesson->getResourceNode()->getWorkspace(),
+            '_resource' => $lesson
         );
     }
 

Entity/Chapter.php

@@ -73,7 +73,7 @@ class Chapter
     /**
      * @Gedmo\TreeParent
      * @ORM\ManyToOne(targetEntity="Icap\LessonBundle\Entity\Chapter")
-     * @ORM\JoinColumn(name="parent_id", referencedColumnName="id", onDelete="CASCADE")
+     * @ORM\JoinColumn(name="parent_id", referencedColumnName="id", onDelete="SET NULL")
      */
     private $parent;
 

Entity/Lesson.php

@@ -21,7 +21,7 @@ class Lesson extends AbstractResource
 {
     /**
      * @ORM\OneToOne(targetEntity="Icap\LessonBundle\Entity\Chapter", cascade={"all"})
-     * @ORM\JoinColumn(name="root_id", referencedColumnName="id")
+     * @ORM\JoinColumn(name="root_id", referencedColumnName="id", onDelete="CASCADE")
      */
     private $root;
 

Listener/LessonListener.php

@@ -92,12 +92,10 @@ public function onCopy(CopyResourceEvent $event){
 
     public function onDelete(DeleteResourceEvent $event)
     {
-        $em = $this->container->get('doctrine.orm.entity_manager');
+        $om = $this->container->get('claroline.persistence.object_manager');
         $lesson = $event->getResource();
-        $lesson->setRoot(null);
-        $em->flush();
-        $em->remove($lesson);
-        $em->flush();
+        $om->remove($lesson);
+        $om->flush();
         $event->stopPropagation();
     }
 

Migrations/pdo_mysql/Version20160113122054.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Icap\LessonBundle\Migrations\pdo_mysql;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Auto-generated migration based on mapping information: modify it with caution
+ *
+ * Generation date: 2016/01/13 12:20:56
+ */
+class Version20160113122054 extends AbstractMigration
+{
+    public function up(Schema $schema)
+    {
+        $this->addSql("
+            ALTER TABLE icap__lesson_chapter 
+            DROP FOREIGN KEY FK_3D7E3C8C727ACA70
+        ");
+        $this->addSql("
+            ALTER TABLE icap__lesson_chapter 
+            ADD CONSTRAINT FK_3D7E3C8C727ACA70 FOREIGN KEY (parent_id) 
+            REFERENCES icap__lesson_chapter (id) 
+            ON DELETE SET NULL
+        ");
+        $this->addSql("
+            ALTER TABLE icap__lesson 
+            DROP FOREIGN KEY FK_D9B3613079066886
+        ");
+        $this->addSql("
+            ALTER TABLE icap__lesson 
+            ADD CONSTRAINT FK_D9B3613079066886 FOREIGN KEY (root_id) 
+            REFERENCES icap__lesson_chapter (id) 
+            ON DELETE CASCADE
+        ");
+    }
+
+    public function down(Schema $schema)
+    {
+        $this->addSql("
+            ALTER TABLE icap__lesson 
+            DROP FOREIGN KEY FK_D9B3613079066886
+        ");
+        $this->addSql("
+            ALTER TABLE icap__lesson 
+            ADD CONSTRAINT FK_D9B3613079066886 FOREIGN KEY (root_id) 
+            REFERENCES icap__lesson_chapter (id)
+        ");
+        $this->addSql("
+            ALTER TABLE icap__lesson_chapter 
+            DROP FOREIGN KEY FK_3D7E3C8C727ACA70
+        ");
+        $this->addSql("
+            ALTER TABLE icap__lesson_chapter 
+            ADD CONSTRAINT FK_3D7E3C8C727ACA70 FOREIGN KEY (parent_id) 
+            REFERENCES icap__lesson_chapter (id) 
+            ON DELETE CASCADE
+        ");
+    }
+}