Dingo\Api\Routing\Route::mergeControllerProperties PHP Method

    protected function mergeControllerProperties()
    {
        if (isset($this->action['uses']) && is_string($this->action['uses']) && Str::contains($this->action['uses'], '@')) {
            $this->action['controller'] = $this->action['uses'];
            $this->makeControllerInstance();
        }
        if (!$this->controllerUsesHelpersTrait()) {
            return;
        }
        $controller = $this->getControllerInstance();
        $controllerMiddleware = [];
        if (method_exists($controller, 'getMiddleware')) {
            $controllerMiddleware = $controller->getMiddleware();
        } elseif (method_exists($controller, 'getMiddlewareForMethod')) {
            $controllerMiddleware = $controller->getMiddlewareForMethod($this->controllerMethod);
        }
        $this->middleware = array_merge($this->middleware, $controllerMiddleware);
        if ($property = $this->findControllerPropertyOptions('throttles')) {
            $this->throttle = $property['class'];
        }
        if ($property = $this->findControllerPropertyOptions('scopes')) {
            $this->scopes = array_merge($this->scopes, $property['scopes']);
        }
        if ($property = $this->findControllerPropertyOptions('authenticationProviders')) {
            $this->authenticationProviders = array_merge($this->authenticationProviders, $property['providers']);
        }
        if ($property = $this->findControllerPropertyOptions('rateLimit')) {
            $this->rateLimit = $property['limit'];
            $this->rateExpiration = $property['expires'];
        }
    }