class WkhtmltopdfController in wkhtmltopdf 8

Same name and namespace in other branches

2.0.x src/Controller/WkhtmltopdfController.php \Drupal\wkhtmltopdf\Controller\WkhtmltopdfController

Base for Controller.

View source

class WkhtmltopdfController extends ControllerBase {
  public $settings;
  public $request;
  public $filesystem;

  /**
   * {@inheritdoc}
   */
  public function __construct(ConfigFactory $config, Request $request, FileSystemInterface $filesystem) {
    $this->settings = $config
      ->get('wkhtmltopdf.settings');
    $this->request = $request;
    $this->filesystem = $filesystem;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('config.factory'), $container
      ->get('request_stack')
      ->getCurrentRequest(), $container
      ->get('file_system'));
  }

  /**
   * Generate pdf file.
   *
   * @return Symfony\Component\HttpFoundation\RedirectResponse
   *   Redirect
   */
  public function generatePdf() {
    $url = $this->request->query
      ->get('url');
    $binary = $this->settings
      ->get('wkhtmltopdf_bin');
    $path = $this->filesystem
      ->realpath('public://wkhtmltopdf');
    $parameters = '--javascript-delay 5000';
    $parameters .= $this->settings
      ->get('wkhtmltopdf_zoom') ? ' --zoom ' . $this->settings
      ->get('wkhtmltopdf_zoom') : '';
    $file_path = "public://wkhtmltopdf/" . urlencode($url) . '.pdf';
    if (!$this->filesystem
      ->prepareDirectory($file_path)) {
      $this->filesystem
        ->mkdir($path);
    }
    $filename = urlencode($url) . '.pdf';
    $file_path_physical = $path . '/' . $filename;
    $command = $binary . ' ' . $parameters . ' ' . $url . ' ' . $file_path_physical;
    $lock = \Drupal::lock();
    if ($lock
      ->acquire(__FILE__) !== FALSE) {
      shell_exec($command);
      $lock
        ->release(__FILE__);
    }
    else {
      while ($lock
        ->acquire(__FILE__) === FALSE) {
        $lock
          ->wait(__FILE__, 3);
      }
      if ($lock
        ->acquire(__FILE__) !== FALSE) {
        shell_exec($command);
        $lock
          ->release(__FILE__);
      }
    }
    $force_download = $this->settings
      ->get('wkhtmltopdf_download');
    if ($force_download) {
      $this
        ->download($file_path_physical, $filename);
      return new RedirectResponse($url);
    }
    $url_redirect = file_create_url($file_path);
    return new RedirectResponse($url_redirect);
  }

  /**
   * Force download and now redirect.
   *
   * @param string $file_path_physical
   *   File path.
   * @param string $filename
   *   File name.
   */
  public function download($file_path_physical, $filename) {
    header("Content-type: octet/stream");
    header("Content-disposition: attachment; filename=" . $filename . ";");
    header("Content-Length: " . filesize($file_path_physical));
    readfile($file_path_physical);
    exit;
  }

}

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::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.
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.
WkhtmltopdfController::$filesystem	public	property
WkhtmltopdfController::$request	public	property
WkhtmltopdfController::$settings	public	property
WkhtmltopdfController::create	public static	function	Instantiates a new instance of this class. Overrides ControllerBase::create
WkhtmltopdfController::download	public	function	Force download and now redirect.
WkhtmltopdfController::generatePdf	public	function	Generate pdf file.
WkhtmltopdfController::__construct	public	function

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class WkhtmltopdfController in wkhtmltopdf 8

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