FileSizeLimitConstraint.php

<?php

namespace Drupal\file\Plugin\Validation\Constraint;

use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\Validation\Attribute\Constraint;
use Symfony\Component\Validator\Attribute\HasNamedArguments;
use Symfony\Component\Validator\Constraint as SymfonyConstraint;

/**
 * File size max constraint.
 */
class FileSizeLimitConstraint extends SymfonyConstraint {
  
  /**
   * The file limit.
   *
   * @var int
   */
  public int $fileLimit = 0;
  
  /**
   * The user limit.
   *
   * @var int
   */
  public int $userLimit = 0;
  public function __construct(mixed $options = NULL, ?int $fileLimit = NULL, ?int $userLimit = NULL, public string $maxFileSizeMessage = 'The file is %filesize exceeding the maximum file size of %maxsize.', public string $diskQuotaMessage = 'The file is %filesize which would exceed your disk quota of %quota.', ?array $groups = NULL, mixed $payload = NULL) {
    parent::__construct($options, $groups, $payload);
    $this->fileLimit = $fileLimit ?? $this->fileLimit;
    $this->userLimit = $userLimit ?? $this->userLimit;
  }
  
  /**
   * {@inheritdoc}
   */
  public function getDefaultOption() : ?string {
    return 'fileLimit';
  }

}