src/Security/Voter/StudentVoter.php line 11

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  1. <?php
  3. namespace App\Security\Voter;
  5. use App\Entity\Job\Student;
  6. use App\Entity\User;
  7. use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
  8. use Symfony\Component\Security\Core\Authorization\Voter\Voter;
  9. use Symfony\Component\Security\Core\Security;
  11. class StudentVoter extends Voter
  12. {
  13.     const READ = 'STUDENT_READ';
  14.     const UPDATE = 'STUDENT_UPDATE';
  15.     const DELETE = 'STUDENT_DELETE';
  17.     private $security;
  19.     /**
  20.      * @param Security $security
  21.      */
  22.     public function __construct(Security $security)
  23.     {
  24.         $this->security = $security;
  25.     }
  27.     protected function supports($attribute, $subject)
  28.     {
  29.         // if the attribute isn't one we support, return false
  30.         if (!in_array($attribute, [self::READ, self::UPDATE, self::DELETE])) {
  31.             return false;
  32.         }
  34.         // only vote on User objects inside this voter
  35.         if (!$subject instanceof Student) {
  36.             return false;
  37.         }
  39.         return true;
  40.     }
  42.     protected function voteOnAttribute($attribute, $subject, TokenInterface $token)
  43.     {
  44.         $currentUser = $token->getUser();
  46.         if (!$currentUser instanceof User) {
  47.             // the user must be logged in; if not, deny access
  48.             return false;
  49.         }
  51.         if ($this->security->isGranted(User::ROLE_ADMIN)) {
  52.             return true;
  53.         }
  55.         switch ($attribute) {
  56.             case self::READ:
  57.                 return $this->canRead($currentUser);
  58.             case self::UPDATE:
  59.                 return $this->canUpdate($currentUser);
  60.             case self::DELETE:
  61.                 return $this->canDelete($currentUser);
  62.         }
  64.         throw new \LogicException('This code should not be reached!');
  65.     }
  67.     private function canRead(User $currentUser)
  68.     {
  69.         if ($this->security->isGranted(User::ROLE_LECTURER)) {
  70.             return true;
  71.         }
  73.         return false;
  74.     }
  76.     private function canUpdate(User $currentUser)
  77.     {
  78.         if ($this->security->isGranted(User::ROLE_LECTURER)) {
  79.             return true;
  80.         }
  82.         return false;
  83.     }
  85.     private function canDelete(User $currentUser)
  86.     {
  87.         return false;
  88.     }
  89. }