file_bulkupload_translations-1.0.x-dev/src/Plugin/Validation/Constraint/UniqueLanguageConstraint.php

<?php

declare(strict_types=1);

namespace Drupal\file_bulkupload_translations\Plugin\Validation\Constraint;

use Symfony\Component\Validator\Constraint as SymfonyConstraint;

/**
 * Check that there are no files with the same language.
 */
#[Constraint(
  id : "UniqueLanguage",
  label : new TranslatableMarkup("In case of cardinality 1, not possible to have multiple files of the same language", [], ['context' => 'Validation']),
  type : 'file'
)]
class UniqueLanguageConstraint extends SymfonyConstraint {


  /**
   * Error message when uploading same language.
   */
  public const NOT_UNIQUE = 'You cannot upload more than one file with the same language (%filename_language).';
}