user.proto

// Copyright 2023-2025 The Connect Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package example.user.v1;

import "buf/validate/validate.proto";
import "google/protobuf/timestamp.proto";

message User {
  string email = 1 [(buf.validate.field).string.email = true];
  google.protobuf.Timestamp birth_date = 2;
  google.protobuf.Timestamp signup_date = 3;

  option (buf.validate.message).cel = {
    id: "user.signup_date"
    message: "signup date must be on or after birth date"
    expression: "this.signup_date >= this.birth_date"
  };
}

message CreateUserRequest {
  User user = 1;
}

message CreateUserResponse {
  User user = 1;
}

service UserService {
  rpc CreateUser(CreateUserRequest) returns (CreateUserResponse) {}
}