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| 1 | <?php |
| 2 | |
| 3 | namespace Drupal\crm\Plugin\Validation\Constraint; |
| 4 | |
| 5 | use Symfony\Component\Validator\Constraint; |
| 6 | use Symfony\Component\Validator\ConstraintValidator; |
| 7 | |
| 8 | /** |
| 9 | * Validates that Contact A and Contact B are different. |
| 10 | */ |
| 11 | class DifferentContactsConstraintValidator extends ConstraintValidator { |
| 12 | |
| 13 | /** |
| 14 | * Validates the entity. |
| 15 | * |
| 16 | * @param \Drupal\Core\Entity\EntityInterface $entity |
| 17 | * The entity being validated. |
| 18 | * @param \Drupal\crm\Plugin\Validation\Constraint\DifferentContactsConstraint $constraint |
| 19 | * The constraint to validate against. |
| 20 | */ |
| 21 | public function validate($entity, Constraint $constraint) { |
| 22 | $contact_a = $entity->get('contact_a')->first() ? $entity->get('contact_a')->first()->target_id : NULL; |
| 23 | $contact_b = $entity->get('contact_b')->first() ? $entity->get('contact_b')->first()->target_id : NULL; |
| 24 | |
| 25 | if ($contact_a && $contact_b && $contact_a === $contact_b) { |
| 26 | $this->context->addViolation($constraint->message); |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | } |