/**
  * Creates operation.
  *
  * @param ResourceInterface $resource
  * @param bool              $collection
  * @param string|array      $methods
  * @param string|null       $path
  * @param null              $controller
  * @param null              $routeName
  * @param array             $context
  *
  * @return Operation
  */
 private function createOperation(ResourceInterface $resource, $collection, $methods, $path = null, $controller = null, $routeName = null, array $context = [])
 {
     $shortName = $resource->getShortName();
     if (!isset(self::$inflectorCache[$shortName])) {
         self::$inflectorCache[$shortName] = Inflector::pluralize(Inflector::tableize($shortName));
     }
     // Populate path
     if (!$path) {
         $path = '/' . self::$inflectorCache[$shortName];
         if (!$collection) {
             $path .= '/{id}';
         }
     }
     // Guess default method
     if (is_array($methods)) {
         $defaultMethod = $methods[0];
     } else {
         $defaultMethod = $methods;
     }
     // Populate controller
     if (!$controller) {
         $defaultAction = strtolower($defaultMethod);
         if ($collection) {
             $defaultAction = 'c' . $defaultAction;
         }
         $controller = self::DEFAULT_CONTROLLER . ':' . $defaultAction;
         // Populate route name
         if (!$routeName) {
             $routeName = self::$inflectorCache[$shortName] . '_' . $defaultAction;
         }
     }
     $requirements = [];
     if (strpos($path, '{id}')) {
         $requirements['id'] = '\\d+';
     }
     if (strpos($path, '{embed}')) {
         try {
             $embeds = $this->transformerHelper->getAvailableIncludes($shortName);
             $requirements['embed'] = implode('|', $embeds);
         } catch (\Exception $ex) {
             //commande sfroute symfony
         }
     }
     //        $requirements ['"context.getApiVersion() === '".$apiVersion."'"']
     return new Operation(new Route($path, ['_controller' => $controller, '_resource' => $shortName], $requirements, [], '', [], $methods), self::ROUTE_NAME_PREFIX . $resource->getVersion() . '_' . $routeName, $context);
 }