/*
    * Copyright 2017 LINE Corporation
    *
    * LINE Corporation licenses this file to you 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:
    *
    *   https://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.
   */
  
  package com.linecorp.centraldogma.server.internal.admin.service;
  
  import com.linecorp.armeria.common.HttpData;
  import com.linecorp.armeria.common.HttpResponse;
  import com.linecorp.armeria.common.HttpStatus;
  import com.linecorp.armeria.common.MediaType;
  import com.linecorp.armeria.server.annotation.Get;
  import com.linecorp.centraldogma.internal.Jackson;
  import com.linecorp.centraldogma.server.command.CommandExecutor;
  import com.linecorp.centraldogma.server.internal.admin.auth.AuthUtil;
  import com.linecorp.centraldogma.server.internal.api.AbstractService;
  import com.linecorp.centraldogma.server.metadata.User;
  
  /**
   * Annotated service object for managing users.
   */
  public class UserService extends AbstractService {
  
      public UserService(CommandExecutor executor) {
          super(executor);
      }
  
      /**
       * GET /users/me
       * Returns a login {@link User} if the user is authorized. Otherwise, {@code 401 Unauthorized} HTTP
       * response is sent.
       */
      @Get("/users/me")
      public HttpResponse usersMe() throws Exception {
          final User user = AuthUtil.currentUser();
          return HttpResponse.of(HttpStatus.OK, MediaType.JSON_UTF_8,
                                 HttpData.wrap(Jackson.writeValueAsBytes(user)));
      }
  }