content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.
   */
  package com.alibaba.csp.sentinel.dashboard.controller;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Comparator;
  import java.util.List;
  
  import javax.servlet.http.HttpServletRequest;
  
  import com.alibaba.csp.sentinel.dashboard.discovery.AppInfo;
  import com.alibaba.csp.sentinel.dashboard.discovery.AppManagement;
  import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
  import com.alibaba.csp.sentinel.dashboard.domain.Result;
  import com.alibaba.csp.sentinel.dashboard.domain.vo.MachineInfoVo;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  /**
   * @author Carpenter Lee
   */
  @RestController
  @RequestMapping(value = "/app")
  public class AppController {
  
      @Autowired
      private AppManagement appManagement;
  
      @GetMapping("/names.json")
      public Result<List<String>> queryApps(HttpServletRequest request) {
          return Result.ofSuccess(appManagement.getAppNames());
      }
  
      @GetMapping("/briefinfos.json")
      public Result<List<AppInfo>> queryAppInfos(HttpServletRequest request) {
          List<AppInfo> list = new ArrayList<>(appManagement.getBriefApps());
          Collections.sort(list, Comparator.comparing(AppInfo::getApp));
          return Result.ofSuccess(list);
      }
  
      @GetMapping(value = "/{app}/machines.json")
      public Result<List<MachineInfoVo>> getMachinesByApp(@PathVariable("app") String app) {
          AppInfo appInfo = appManagement.getDetailApp(app);
          if (appInfo == null) {
              return Result.ofSuccess(null);
          }
          List<MachineInfo> list = new ArrayList<>(appInfo.getMachines());
          Collections.sort(list, Comparator.comparing(MachineInfo::getApp).thenComparing(MachineInfo::getIp).thenComparingInt(MachineInfo::getPort));
          return Result.ofSuccess(MachineInfoVo.fromMachineInfoList(list));
      }
      
      @RequestMapping(value = "/{app}/machine/remove.json")
      public Result<String> removeMachineById(
              @PathVariable("app") String app,
              @RequestParam(name = "ip") String ip,
              @RequestParam(name = "port") int port) {
          AppInfo appInfo = appManagement.getDetailApp(app);
          if (appInfo == null) {
              return Result.ofSuccess(null);
          }
          if (appManagement.removeMachine(app, ip, port)) {
              return Result.ofSuccessMsg("success");
          } else {
              return Result.ofFail(1, "remove failed");
          }
      }
  }
  