kytos-ng / kytos

        return JSONResponse({"response": "enabled"})

    def _disable_napp(self, request: Request) -> JSONResponse:

        """Disable an installed NApp."""

        username = request.path_params["username"]

        napp_name = request.path_params["napp_name"]

        # Check if the NApp is installed

        if not self.napps_manager.is_installed(username, napp_name):

            return JSONResponse({"response": "not installed"},

                                status_code=HTTPStatus.BAD_REQUEST.value)

        # Check if the NApp is enabled

        if self.napps_manager.is_enabled(username, napp_name):

            self.napps_manager.disable(username, napp_name)

        # Check if NApp is still enabled

        if self.napps_manager.is_enabled(username, napp_name):

            # If it is still enabled an admin user must check the log file

            status_code = HTTPStatus.INTERNAL_SERVER_ERROR.value

            return JSONResponse({"response": "error"},

                                status_code=status_code)

        return JSONResponse({"response": "disabled"})

    def _install_napp(self, request: Request) -> JSONResponse:

        username = request.path_params["username"]

            "napps/{username}/{napp_name}/metadata/{key}",

            self._get_napp_metadata)

    def _enable_napp(self, request: Request) -> JSONResponse:

        """Enable an installed NApp."""

        username = request.path_params["username"]

        napp_name = request.path_params["napp_name"]

        # Check if the NApp is installed

        if not self.napps_manager.is_installed(username, napp_name):

            return JSONResponse({"response": "not installed"},

                                status_code=HTTPStatus.BAD_REQUEST.value)

        # Check if the NApp is already been enabled

        if not self.napps_manager.is_enabled(username, napp_name):

            self.napps_manager.enable(username, napp_name)

        # Check if NApp is enabled

        if not self.napps_manager.is_enabled(username, napp_name):

            # If it is not enabled an admin user must check the log file

            status_code = HTTPStatus.INTERNAL_SERVER_ERROR.value

            return JSONResponse({"response": "error"},

                                status_code=status_code)

        return JSONResponse({"response": "enabled"})

    def _disable_napp(self, request: Request) -> JSONResponse:

        """Disable an installed NApp."""