class DefaultController in Download 8.2

Default controller for the download module.

View source

class DefaultController extends ControllerBase {
  public function download_download($bundle, $entity_type, $fieldname, $entity_id, $delta) {
    $field_name = 'download';
    $files = [];
    $entity_storage = \Drupal::entityTypeManager()
      ->getStorage($entity_type, [
      $entity_id,
    ]);
    $entity = $entity_storage
      ->load($entity_id);
    if (!class_exists('PclZip')) {
      throw new ServiceUnavailableHttpException();
    }
    $instances = $entity
      ->getFieldDefinitions();
    $filename = $entity_type . '-' . $entity_id . '-' . $delta;
    foreach ($instances as $instance) {
      if ($instance instanceof FieldConfig && $instance
        ->getType() == 'download_link' && $instance
        ->getName() == $fieldname) {
        $field_name = $instance
          ->getName();
        if (!empty($instance
          ->getSettings()['download_filename'])) {
          $filename = $this
            ->_download_get_filename($instance
            ->getSettings()['download_filename'], $entity, $entity_type);
        }
      }
    }
    $fields = $entity
      ->get($field_name);
    foreach ($fields as $field) {
      $fieldnames = $fields = unserialize($field->download_fields);
    }
    foreach ($fieldnames as $fieldname) {
      if ($fieldname) {
        foreach ($entity
          ->get($fieldname) as $field_obj) {
          if ($field_obj instanceof EntityReferenceItem) {

            // TODO need to get the actual file entity somehow !!!
            $file_entity_info = $field_obj
              ->getValue();
            $file_entity = File::load($file_entity_info['target_id']);
            $files[] = \Drupal::service("file_system")
              ->realpath($file_entity
              ->getFileUri());
          }
        }
      }
    }
    $filename = $filename . '.zip';
    $tmp_file = file_save_data('', 'temporary://' . $filename);
    $tmp_file->status = 0;
    $tmp_file
      ->save();
    $archive = new PclZip(\Drupal::service("file_system")
      ->realpath($tmp_file
      ->getFileUri()));
    $archive
      ->add($files, PCLZIP_OPT_REMOVE_ALL_PATH);
    \Drupal::moduleHandler()
      ->invokeAll('download_download', [
      $files,
      $entity,
    ]);
    header("Content-Type: application/force-download");
    header('Content-Description: File Transfer');
    header('Content-Disposition: inline; filename=' . $filename);
    readfile(\Drupal::service("file_system")
      ->realpath($tmp_file
      ->getFileUri()));
    exit;
  }
  private function _download_get_filename($filename, $entity, $entity_type) {
    $fn = \Drupal::token()
      ->replace(\Drupal\Component\Utility\Html::escape($filename), array(
      $entity_type => $entity,
    ));
    $fn = preg_replace("/[^a-zA-Z0-9\\.\\-_]/", "", $fn);
    return $fn;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	1
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityManager	protected	property	The entity manager.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	2
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	2
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	40
ControllerBase::currentUser	protected	function	Returns the current user.	1
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityManager Deprecated	protected	function	Retrieves the entity manager service.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	2
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	2
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state	protected	function	Returns the state storage service.
DefaultController::download_download	public	function
DefaultController::_download_get_filename	private	function
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.

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class DefaultController in Download 8.2

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