content: /*
   * 微信公众平台(JAVA) SDK
   *
   * Copyright (c) 2014, Ansitech Network Technology Co.,Ltd All rights reserved.
   * 
   * http://www.weixin4j.org/
   *
   * 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 org.weixin4j.component;
  
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.JSONObject;
  import java.util.ArrayList;
  import java.util.List;
  import org.weixin4j.Configuration;
  import org.weixin4j.Weixin;
  import org.weixin4j.WeixinException;
  import org.weixin4j.http.HttpsClient;
  import org.weixin4j.http.Response;
  import org.weixin4j.model.groups.Group;
  
  /**
   * 用户分组组件（微信已过时，推荐使用标签组件）
   * 
   * @author yangqisheng
   * @since 0.1.0
   */
  public class GroupsComponent extends AbstractComponent {
  
      public GroupsComponent(Weixin weixin) {
          super(weixin);
      }
  
      /**
       * 创建分组
       *
       * @param name 分组名字（30个字符以内）
       * @return 创建成功，返回带Id的Group对象
       * @throws org.weixin4j.WeixinException 创建分组异常
       */
      public Group create(String name) throws WeixinException {
          //内部业务验证
          if (name == null || name.equals("")) {
              throw new IllegalStateException("name can not be null or empty");
          }
          //拼接参数
          JSONObject postGroup = new JSONObject();
          JSONObject postName = new JSONObject();
          postName.put("name", name);
          postGroup.put("group", postName);
          //创建请求对象
          HttpsClient http = new HttpsClient();
          //调用获取access_token接口
          Response res = http.post("https://api.weixin.qq.com/cgi-bin/groups/create?access_token=" + weixin.getToken().getAccess_token(), postGroup);
          //根据请求结果判定，是否验证成功
          JSONObject jsonObj = res.asJSONObject();
          Group group = null;
          if (jsonObj != null) {
              if (Configuration.isDebug()) {
                  System.out.println("/groups/create返回json：" + jsonObj.toString());
              }
              Object errcode = jsonObj.get("errcode");
              if (errcode != null) {
                  //返回异常信息
                  throw new WeixinException(getCause(jsonObj.getIntValue("errcode")));
              }
              JSONObject jsonGroup = jsonObj.getJSONObject("group");
              group = JSONObject.toJavaObject(jsonGroup, Group.class);
          }
          return group;
      }
  
      /**
       * 查询所有分组
       *
       * <p>
       * 最多支持创建500个分组</p>
       *
       * @return 分组列表
       * @throws org.weixin4j.WeixinException 查询所有分组异常
       */
      public List<Group> get() throws WeixinException {
          List<Group> groupList = new ArrayList<Group>();
          //创建请求对象
          HttpsClient http = new HttpsClient();
          //调用获取access_token接口
          Response res = http.post("https://api.weixin.qq.com/cgi-bin/groups/get?access_token=" + weixin.getToken().getAccess_token(), null);
          //根据请求结果判定，是否验证成功
          JSONObject jsonObj = res.asJSONObject();
          if (jsonObj != null) {
              if (Configuration.isDebug()) {
                  System.out.println("getGroups返回json：" + jsonObj.toString());
              }
              Object errcode = jsonObj.get("errcode");
              if (errcode != null) {
                  //返回异常信息
                  throw new WeixinException(getCause(jsonObj.getIntValue("errcode")));
              }
              //获取分组列表
              JSONArray groups = jsonObj.getJSONArray("groups");
              for (int i = 0; i < groups.size(); i++) {
                  JSONObject jsonGroup = groups.getJSONObject(i);
                  Group group = (Group) JSONObject.toJavaObject(jsonGroup, Group.class);
                  groupList.add(group);
              }
          }
          return groupList;
      }
  
      /**
       * 查询用户所在分组
       *
       * <p>
       * 通过用户的OpenID查询其所在的GroupID</p>
       *
       * @param openid 用户唯一标识符
       * @return 返回用户所在分组Id
       * @throws org.weixin4j.WeixinException 查询用户所在分组异常
       */
      public int getId(String openid) throws WeixinException {
          //内部业务验证
          if (openid == null || openid.equals("")) {
              throw new IllegalStateException("openid is null!");
          }
          int groupId = -1;
          //拼接参数
          JSONObject postParam = new JSONObject();
          postParam.put("openid", openid);
          //创建请求对象
          HttpsClient http = new HttpsClient();
          //调用获取access_token接口
          Response res = http.post("https://api.weixin.qq.com/cgi-bin/groups/getid?access_token=" + weixin.getToken().getAccess_token(), postParam);
          //根据请求结果判定，是否验证成功
          JSONObject jsonObj = res.asJSONObject();
          if (jsonObj != null) {
              if (Configuration.isDebug()) {
                  System.out.println("getGroupId返回json：" + jsonObj.toString());
              }
              Object errcode = jsonObj.get("errcode");
              if (errcode != null) {
                  //返回异常信息
                  throw new WeixinException(getCause(jsonObj.getIntValue("errcode")));
              }
              //获取成功返回分组Id
              groupId = jsonObj.getIntValue("groupid");
          }
          return groupId;
      }
  
      /**
       * 修改分组名
       *
       * @param id 分组id，由微信分配
       * @param name 分组名字（30个字符以内）
       * @throws org.weixin4j.WeixinException 修改分组名异常
       */
      public void update(int id, String name) throws WeixinException {
          //内部业务验证
          if (id < 0) {
              throw new IllegalStateException("id can not <= 0!");
          }
          if (name == null || name.equals("")) {
              throw new IllegalStateException("name is null!");
          }
          //拼接参数
          JSONObject postGroup = new JSONObject();
          JSONObject postName = new JSONObject();
          postName.put("id", id);
          postName.put("name", name);
          postGroup.put("group", postName);
          //创建请求对象
          HttpsClient http = new HttpsClient();
          //调用获取access_token接口
          Response res = http.post("https://api.weixin.qq.com/cgi-bin/groups/update?access_token=" + weixin.getToken().getAccess_token(), postGroup);
          //根据请求结果判定，是否验证成功
          JSONObject jsonObj = res.asJSONObject();
          if (jsonObj != null) {
              if (Configuration.isDebug()) {
                  System.out.println("/groups/update返回json：" + jsonObj.toString());
              }
              //判断是否修改成功
              //正常时返回 {"errcode": 0, "errmsg": "ok"}
              //错误时返回 示例：{"errcode":40013,"errmsg":"invalid appid"}
              int errcode = jsonObj.getIntValue("errcode");
              //登录成功，设置accessToken和过期时间
              if (errcode != 0) {
                  //返回异常信息
                  throw new WeixinException(getCause(errcode));
              }
          }
      }
  
      /**
       * 删除分组
       *
       * @param groupId 分组Id
       * @throws org.weixin4j.WeixinException 删除分组异常
       */
      public void delete(int groupId) throws WeixinException {
          //拼接参数
          JSONObject postParam = new JSONObject();
          JSONObject group = new JSONObject();
          group.put("id", groupId);
          postParam.put("group", group);
          //创建请求对象
          HttpsClient http = new HttpsClient();
          //调用获取access_token接口
          Response res = http.post("https://api.weixin.qq.com/cgi-bin/groups/delete?access_token=" + weixin.getToken().getAccess_token(), postParam);
          //根据请求结果判定，是否验证成功
          JSONObject jsonObj = res.asJSONObject();
          if (jsonObj != null) {
              if (Configuration.isDebug()) {
                  System.out.println("/groups/delete返回json：" + jsonObj.toString());
              }
              Object errcode = jsonObj.get("errcode");
              if (errcode != null && !errcode.toString().equals("0")) {
                  //返回异常信息
                  throw new WeixinException(getCause(jsonObj.getIntValue("errcode")));
              }
          }
      }
  
      /**
       * 移动用户分组
       *
       * @param openid 用户唯一标识符
       * @param to_groupid 分组id
       * @throws org.weixin4j.WeixinException 移动用户分组异常
       */
      public void membersUpdate(String openid, int to_groupid) throws WeixinException {
          //内部业务验证
          if (openid == null || openid.equals("")) {
              throw new IllegalStateException("openid is null!");
          }
          if (to_groupid < 0) {
              throw new IllegalStateException("to_groupid can not <= 0!");
          }
          //拼接参数
          JSONObject postParam = new JSONObject();
          postParam.put("openid", openid);
          postParam.put("to_groupid", to_groupid);
          //创建请求对象
          HttpsClient http = new HttpsClient();
          //调用获取access_token接口
          Response res = http.post("https://api.weixin.qq.com/cgi-bin/groups/members/update?access_token=" + weixin.getToken().getAccess_token(), postParam);
          //根据请求结果判定，是否验证成功
          JSONObject jsonObj = res.asJSONObject();
          if (jsonObj != null) {
              if (Configuration.isDebug()) {
                  System.out.println("/groups/members/update返回json：" + jsonObj.toString());
              }
              //判断是否修改成功
              //正常时返回 {"errcode": 0, "errmsg": "ok"}
              //错误时返回 示例：{"errcode":40013,"errmsg":"invalid appid"}
              int errcode = jsonObj.getIntValue("errcode");
              //登录成功，设置accessToken和过期时间
              if (errcode != 0) {
                  //返回异常信息
                  throw new WeixinException(getCause(errcode));
              }
          }
      }
  }
  