src/EventListener/ContactPersonDeleteListener.php line 37

Open in your IDE?
  1. <?php
  3. namespace App\EventListener;
  5. use Doctrine\ORM\EntityManagerInterface;
  6. use EasyCorp\Bundle\EasyAdminBundle\Config\Action;
  7. use EasyCorp\Bundle\EasyAdminBundle\Config\Option\EA;
  8. use EasyCorp\Bundle\EasyAdminBundle\Event\BeforeCrudActionEvent;
  9. use EasyCorp\Bundle\EasyAdminBundle\Event\BeforeEntityDeletedEvent;
  10. use EasyCorp\Bundle\EasyAdminBundle\Router\AdminUrlGenerator;
  11. use Roothirsch\CoreBundle\Controller\ContactPersonCrudController;
  12. use Roothirsch\CoreBundle\Entity\ContactPerson;
  13. use Roothirsch\CoreBundle\Entity\User;
  14. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  15. use Symfony\Component\HttpFoundation\RedirectResponse;
  16. use Symfony\Component\HttpFoundation\RequestStack;
  18. class ContactPersonDeleteListener implements EventSubscriberInterface
  19. {
  20. private $adminGenerator;
  21. private $requestStack;
  23. private $entityManager;
  25. public function __construct(AdminUrlGenerator $adminGenerator, RequestStack $requestStack, EntityManagerInterface $entityManager)
  26. {
  27. $this->adminGenerator = $adminGenerator;
  28. $this->requestStack = $requestStack;
  29. $this->entityManager = $entityManager;
  30. }
  32. public static function getSubscribedEvents()
  33. {
  34. return [BeforeCrudActionEvent::class => "check"];
  35. }
  37. public function check(BeforeCrudActionEvent $event)
  38. {
  39. $request = $event->getAdminContext()->getRequest();
  40. $action = $request->get(EA::CRUD_ACTION, null);
  41. if($action === null) {
  42. return;
  43. }
  44. if($action !== 'delete' && $action !== 'batchDelete'){
  45. return;
  46. }
  47. $controller = $request->get(EA::CRUD_CONTROLLER_FQCN, null);
  48. if(!$controller || $controller !== ContactPersonCrudController::class) {
  49. return;
  50. }
  51. $url = $this->adminGenerator->setAction(Action::INDEX)->unset(EA::ENTITY_ID)->generateUrl();
  52. if($action === 'delete') {
  53. $entity = $event->getAdminContext()->getEntity()->getInstance();
  54. $users = $entity->getUsers()->count();
  55. if($users === 0) {
  56. return;
  57. }
  58. $this->requestStack->getSession()->getFlashBag()->add('warning', sprintf("Der Ansprechpartner kann nicht gelöscht werden. Bitte entfernen Sie den Ansprechpartner bei den %s vorhanden Nutzern, bevor Sie eine Löschung vornehmen.", $users));
  59. $event->setResponse(new RedirectResponse($url, 302));
  60. }
  61. $entityIds = $request->request->all()[EA::BATCH_ACTION_ENTITY_IDS] ?? [];
  62. if(count($entityIds) === 0) {
  63. return;
  64. }
  66. if($this->hasContacts($entityIds))
  67. {
  68. $this->requestStack->getSession()->getFlashBag()->add('warning', "Die Aktion wurde abgebrochen. In ihrer Auswahl befinden sich Ansprechpartner die noch bei Nutzern hinterlegt worden sind.");
  69. $event->setResponse(new RedirectResponse($url, 302));
  70. }
  72. }
  74. private function hasContacts($entityIds) {
  75. $query = $this->entityManager->createQueryBuilder();
  76. $query->select('COUNT(u)')->from(User::class, 'u');
  78. foreach ($entityIds as $index => $id) {
  79. $parameter = 'param_'.$index;
  80. $query->orWhere($query->expr()->neq('u.contact', ':'.$parameter));
  81. $query->setParameter($parameter, $id);
  82. }
  83. return $query->getQuery()->getSingleScalarResult() > 0;
  84. }
  85. }