class DatabaseController in Devel 8

Class DatabaseController

Hierarchy

• class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\webprofiler\Controller\DatabaseController

File

webprofiler/src/Controller/DatabaseController.php, line 17

Namespace

Drupal\webprofiler\Controller

class DatabaseController extends ControllerBase {

  /**
   * @var \Symfony\Component\HttpKernel\Profiler\Profiler
   */
  private $profiler;

  /**
   * @var \Drupal\Core\Database\Connection
   */
  private $database;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('profiler'), $container
      ->get('database'));
  }

  /**
   * Constructs a new WebprofilerController.
   *
   * @param \Symfony\Component\HttpKernel\Profiler\Profiler $profiler
   * @param \Drupal\Core\Database\Connection $database
   */
  public function __construct(Profiler $profiler, Connection $database) {
    $this->profiler = $profiler;
    $this->database = $database;
  }

  /**
   * @param Profile $profile
   * @param int $qid
   *
   * @return JsonResponse
   */
  public function explainAction(Profile $profile, $qid) {
    $query = $this
      ->getQuery($profile, $qid);
    $data = [];
    $result = $this->database
      ->query('EXPLAIN ' . $query['query'], (array) $query['args'])
      ->fetchAllAssoc('table');
    $i = 1;
    foreach ($result as $row) {
      foreach ($row as $key => $value) {
        $data[$i][$key] = $value;
      }
      $i++;
    }
    return new JsonResponse([
      'data' => $data,
    ]);
  }

  /**
   * @param $profile ->getToken()
   * @param int $qid
   *
   * @return array
   */
  private function getQuery(Profile $profile, $qid) {
    $this->profiler
      ->disable();
    $token = $profile
      ->getToken();
    if (!($profile = $this->profiler
      ->loadProfile($token))) {
      throw new NotFoundHttpException($this
        ->t('Token @token does not exist.', [
        '@token' => $token,
      ]));
    }

    /** @var DatabaseDataCollector $databaseCollector */
    $databaseCollector = $profile
      ->getCollector('database');
    $queries = $databaseCollector
      ->getQueries();
    $query = $queries[$qid];
    return $query;
  }

}

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.
DatabaseController::$database	private	property
DatabaseController::$profiler	private	property
DatabaseController::create	public static	function	Instantiates a new instance of this class. Overrides ControllerBase::create
DatabaseController::explainAction	public	function
DatabaseController::getQuery	private	function
DatabaseController::__construct	public	function	Constructs a new WebprofilerController.
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.