[2.x] Formulaires imbriqués, ArrayCollection, delete lors d'un update

if ($editForm->isValid()) { foreach ($entity->getSiteActivities() as $site) { $site->setActivity($entity); } $em->persist($entity); $em->flush(); return $this->redirect($this->generateUrl('activity_show', array('id'=> $id))); }

réponse :

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
            if ($editForm->isValid()) 
            {
 
                // filter $originalSiteactivities to contain Siteactivities no longer present
                foreach ($activity->getSiteactivities() as $siteactivity) {
 
                    foreach ($originalSiteactivities as $key => $toDel) {
                        if ($toDel === $siteactivity) {
                            unset($originalSiteactivities[$key]);
                        }
                    }
                }
 
                // remove the relationship between the siteactivity and the activity
                foreach ($originalSiteactivities as $siteactivity) {
 
                     $em->remove($siteactivity);
                }
 
                $em->persist($activity);
                $em->flush();
 
                return $this->redirect($this->generateUrl('activity_show', array('id' => $id)));
            }