public function ReservationConflictConstraintValidator::validate in MERCI (Manage Equipment Reservations, Checkout and Inventory) 8.2

File

src/Plugin/Validation/Constraint/ReservationConflictConstraintValidator.php, line 22

Contains \Drupal\merci\Plugin\Validation\Constraint\ReservationConflictConstraintValidator.

Class

ReservationConflictConstraintValidator

Checks for conflicts when validating a entity with reservable items.

Namespace

Drupal\merci\Plugin\Validation\Constraint

Code

public function validate($value, Constraint $constraint) {

  /* @var \Drupal\Core\Field\FieldItemInterface $value */
  if (!isset($value)) {
    return;
  }
  $id = $value->target_id;

  // '0' or NULL are considered valid empty references.
  if (empty($id)) {
    return;
  }

  /* @var \Drupal\Core\Entity\FieldableEntityInterface $referenced_entity */
  $referenced_entity = $value->entity;

  //$conflicts = \Drupal::service('merci.reservation_conflicts');
  $conflicts = new ReservationConflicts();
  $conflicts
    ->setEntity($value
    ->getEntity());
  $conflicts
    ->setDateField($constraint->date_field);
  $conflicts
    ->setQuantityField($constraint->quantity_field);
  $conflicts
    ->setItemField($value
    ->getName());
  $conflicts
    ->setParentQuantityField($constraint->parent_quantity_field);
  foreach ($conflicts
    ->getErrors() as $delta => $errors) {
    $msg = array();
    if (array_key_exists(MERCI_ERROR_TOO_MANY, $errors)) {
      $msg[] = $errors[MERCI_ERROR_TOO_MANY];
    }
    elseif (array_key_exists(MERCI_ERROR_CONFLICT, $errors)) {
      foreach ($errors[MERCI_ERROR_CONFLICT] as $date_start => $message) {
        $msg[] = $message;
      }
    }
    $this->context
      ->addViolation(implode('<br>', $msg));
  }
}