public function actionCreate()
 {
     $author = $this->_checkAuth();
     $json = file_get_contents('php://input');
     $data = CJSON::decode($json, true);
     switch ($_GET['model']) {
         case 'articles':
             $model = new Article();
             break;
         default:
             Helper::renderJSONErorr('create is not implemented for model ' . $_GET['model']);
     }
     foreach ($data as $var => $value) {
         if ($model->hasAttribute($var)) {
             $model->{$var} = $value;
         } else {
             Helper::renderJSONErorr("Parameter {$var} is not allowed for model " . $_GET['model']);
         }
     }
     if ($model->hasAttribute('author')) {
         $model->author = $author->id;
     }
     // Try to save the model
     if ($model->save()) {
         Helper::renderJSON($model);
     }
     $msg = sprintf("Couldn't create model %s\n", $_GET['model']);
     foreach ($model->errors as $attribute => $attr_errors) {
         $msg .= "Attribute: {$attribute}\n";
         foreach ($attr_errors as $attr_error) {
             $msg .= "- {$attr_error}\n";
         }
     }
     Helper::renderJSONErorr($msg);
 }