kytos-ng / mef_eline

        evc.sync()

        return JSONResponse("Operation successful", status_code=201)

    @rest("v2/evc/metadata/{key}", methods=["DELETE"])

    @validate_openapi(spec)

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

        """Delete metada from a bulk of EVCs"""

        data = get_json_or_400(request)

        key = request.path_params["key"]

        circuit_ids = data.pop("circuit_ids")

        self.mongo_controller.update_evcs(circuit_ids, {key: ""}, "del")

        fail_evcs = []

        for _id in circuit_ids:

            try:

                evc = self.circuits[_id]

                evc.remove_metadata(key)

            except KeyError:

                fail_evcs.append(_id)

        if fail_evcs:

            raise HTTPException(404, detail=fail_evcs)

        return JSONResponse("Operation successful")

    @rest("v2/evc/{circuit_id}/metadata/{key}", methods=["DELETE"])

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

                detail=f"circuit_id {circuit_id} not found."

            ) from error

    @rest("v2/evc/metadata", methods=["POST"])

    @validate_openapi(spec)

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

        """Add metadata to a bulk of EVCs."""

        data = get_json_or_400(request)

        circuit_ids = data.pop("circuit_ids")

        self.mongo_controller.update_evcs(circuit_ids, data, "add")

        fail_evcs = []

        for _id in circuit_ids:

            try:

                evc = self.circuits[_id]

                evc.extend_metadata(data)

            except KeyError:

                fail_evcs.append(_id)

        if fail_evcs:

            raise HTTPException(404, detail=fail_evcs)

        return JSONResponse("Operation successful", status_code=201)

    @rest("v2/evc/{circuit_id}/metadata", methods=["POST"])

    @validate_openapi(spec)