ScormPackageConstraintValidator.php in Opigno SCORM 3.x

Namespace

Drupal\opigno_scorm\Plugin\Validation\Constraint

File

src/Plugin/Validation/Constraint/ScormPackageConstraintValidator.php

<?php

namespace Drupal\opigno_scorm\Plugin\Validation\Constraint;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;

/**
 * Validates the ScormPackage constraint.
 */
class ScormPackageConstraintValidator extends ConstraintValidator {

  /**
   * {@inheritdoc}
   */
  public function validate($items, Constraint $constraint) {
    if (!($item = $items
      ->first())) {
      return;
    }
    $activity = $item
      ->getEntity();
    $scorm_file = $activity
      ->get('opigno_scorm_package')->entity;

    /* @var \Drupal\opigno_scorm\OpignoScorm $scorm_controller */
    $scorm_controller = \Drupal::service('opigno_scorm.scorm');
    $scorm_controller
      ->unzipPackage($scorm_file);
    $extract_dir = 'public://opigno_scorm_extracted/scorm_' . $scorm_file
      ->id();

    // This is a standard: the manifest file will always be here.
    $manifest_file = $extract_dir . '/imsmanifest.xml';
    if (!file_exists($manifest_file)) {
      $validation = FALSE;
      $files = scandir($extract_dir);
      $count_files = count($files);
      if ($count_files == 3 && is_dir($extract_dir . '/' . $files[2])) {
        $subfolder_files = scandir($extract_dir . '/' . $files[2]);
        if (in_array('imsmanifest.xml', $subfolder_files)) {
          $source = $extract_dir . '/' . $files[2];
          $i = new \RecursiveDirectoryIterator($source);
          foreach ($i as $f) {
            if ($f
              ->isFile()) {
              rename($f
                ->getPathname(), $extract_dir . '/' . $f
                ->getFilename());
            }
            else {
              if ($f
                ->isDir()) {
                rename($f
                  ->getPathname(), $extract_dir . '/' . $f
                  ->getFilename());
                unlink($f
                  ->getPathname());
              }
            }
          }
          $validation = TRUE;
        }
      }
      if ($validation == FALSE) {
        $this->context
          ->addViolation($constraint->missingManifestFile);
      }
    }
  }

}

Classes

Name	Description
ScormPackageConstraintValidator	Validates the ScormPackage constraint.