class SharrreCounterController in Share Message 8

Route controller class for the Sharrre - Google Plus and Stumbleupon counter.

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class SharrreCounterController extends ControllerBase {

  /**
   * Guzzle HTTP client.
   *
   * @var \GuzzleHttp\ClientInterface
   */
  protected $client;

  /**
   * Get the counter for Google Plus and Stumbleupon.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The current HTTP request from which we get the counter.
   *
   * @return \Symfony\Component\HttpFoundation\JsonResponse
   *   A JSON response containing the counter.
   */
  public function getCounter(Request $request) {

    // Sharrre by Julien Hany.
    $json = [
      'url' => $request
        ->get('url'),
      'count' => 0,
    ];
    $url = urlencode($json['url']);
    $type = $request
      ->get('type');
    if (filter_var($json['url'], FILTER_VALIDATE_URL)) {
      if ($type == 'googlePlus') {
        $json['count'] = $this
          ->getCounterGooglePlus($url);
      }
      elseif ($type == 'stumbleupon') {
        $json['count'] = $this
          ->getCounterStumbleupon($url);
      }
    }
    return new JsonResponse($json);
  }

  /**
   * Get the counter for Google Plus.
   *
   * Source http://www.helmutgranda.com/2011/11/01/get-a-url-google-count-via-php/
   *
   * @param string $url
   *   Requested URL.
   *
   * @return int
   *   Returns the counter for Google Plus.
   */
  protected function getCounterGooglePlus($url) {
    $contents = $this
      ->parse('https://plusone.google.com/u/0/_/+1/fastbutton?url=' . $url . '&count=true');
    preg_match('/window\\.__SSR = {c: ([\\d]+)/', $contents, $matches);

    // If the counter is set, remove the extra strings around it and save it in
    // the JSON array.
    if (isset($matches[0])) {
      return (int) str_replace('window.__SSR = {c: ', '', $matches[0]);
    }
  }

  /**
   * Get the counter for Stumbleupon.
   *
   * @param string $url
   *   Requested URL.
   *
   * @return int
   *   Returns the counter for Stumbleupon.
   */
  protected function getCounterStumbleupon($url) {
    $content = $this
      ->parse("http://www.stumbleupon.com/services/1.01/badge.getinfo?url={$url}");
    $result = json_decode($content);
    if (isset($result->result->views)) {
      return $result->result->views;
    }
  }

  /**
   * Parse the counter information.
   *
   * @param string $enc_url
   *   URL to parse.
   *
   * @return mixed
   *   Returns the content.
   */
  public function parse($enc_url) {
    try {
      $response = \Drupal::httpClient()
        ->request('GET', $enc_url);
    } catch (BadResponseException $e) {
      $error = $e
        ->getResponse()
        ->json();
      watchdog_exception('sharrre', $e, $error['error']['message']);
      return;
    }

    // Process the JSON result into array.
    return $response
      ->getBody()
      ->getContents();
  }

}

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.
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.
SharrreCounterController::$client	protected	property	Guzzle HTTP client.
SharrreCounterController::getCounter	public	function	Get the counter for Google Plus and Stumbleupon.
SharrreCounterController::getCounterGooglePlus	protected	function	Get the counter for Google Plus.
SharrreCounterController::getCounterStumbleupon	protected	function	Get the counter for Stumbleupon.
SharrreCounterController::parse	public	function	Parse the counter information.
StringTranslationTrait::$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 SharrreCounterController in Share Message 8

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