WuKongIMFlutterSDK/example/lib/im.dart

import 'package:example/const.dart';
import 'package:wukongimfluttersdk/common/options.dart';
import 'package:wukongimfluttersdk/model/wk_image_content.dart';
import 'package:wukongimfluttersdk/model/wk_video_content.dart';
import 'package:wukongimfluttersdk/model/wk_voice_content.dart';
import 'package:wukongimfluttersdk/type/const.dart';
import 'package:wukongimfluttersdk/wkim.dart';

import 'order_message_content.dart';
import 'http.dart';

class IMUtils {
  static Future<bool> initIM() async {
    bool result = await WKIM.shared
        .setup(Options.newDefault(UserInfo.uid, UserInfo.token));
    WKIM.shared.options.getAddr = (Function(String address) complete) async {
      String ip = await HttpUtils.getIP(UserInfo.uid);
      complete(ip);
    };
    if (result) {
      WKIM.shared.connectionManager.connect();
      initListener();
    }
    // 注册自定义消息
    WKIM.shared.messageManager
        .registerMsgContent(56, (data) => OrderMsg().decodeJson(data));
    return result;
  }

  // 监听sdk事件
  // 以下事件必须得实现
  static initListener() {
    // 监听同步消息扩展
    WKIM.shared.cmdManager.addOnCmdListener('sys_im', (wkcmd) async {
      if (wkcmd.cmd == 'messageRevoke') {
        var channelID = wkcmd.param['channel_id'];
        var channelType = wkcmd.param['channel_type'];
        if (channelID != '') {
          // 同步消息扩展
          var maxVersion = await WKIM.shared.messageManager
              .getMaxExtraVersionWithChannel(channelID, channelType);
          HttpUtils.syncMsgExtra(channelID, channelType, maxVersion);
        }
      } else if (wkcmd.cmd == 'channelUpdate') {
        var channelID = wkcmd.param['channel_id'];
        var channelType = wkcmd.param['channel_type'];
        if (channelID != '') {
          if (channelType == WKChannelType.personal) {
            // 同步个人信息
            HttpUtils.getUserInfo(channelID);
          } else if (channelType == WKChannelType.group) {
            // 同步群信息
            HttpUtils.getGroupInfo(channelID);
          }
        }
      } else if (wkcmd.cmd == 'unreadClear') {
        print('清空红点的cmd');
        // 未读消息清除
        var channelID = wkcmd.param['channel_id'];
        var channelType = wkcmd.param['channel_type'];
        var unread = wkcmd.param['unread'];
        if (channelID != '') {
          WKIM.shared.conversationManager
              .updateRedDot(channelID, channelType, unread);
        }
      }
    });
    // 监听同步某个频道的消息
    WKIM.shared.messageManager.addOnSyncChannelMsgListener((channelID,
        channelType, startMessageSeq, endMessageSeq, limit, pullMode, back) {
      HttpUtils.syncChannelMsg(channelID, channelType, startMessageSeq,
          endMessageSeq, limit, pullMode, (p0) => back(p0));
    });
    // 监听获取channel资料（群/个人信息）
    WKIM.shared.channelManager
        .addOnGetChannelListener((channelId, channelType, back) {
      if (channelType == WKChannelType.personal) {
        // 获取个人资料
        print('获取个人资料$channelId');
        HttpUtils.getUserInfo(channelId);
      } else if (channelType == WKChannelType.group) {
        // 获取群资料
        HttpUtils.getGroupInfo(channelId);
      }
    });
    // 监听同步最近会话
    WKIM.shared.conversationManager
        .addOnSyncConversationListener((lastSsgSeqs, msgCount, version, back) {
      HttpUtils.syncConversation(lastSsgSeqs, msgCount, version, back);
    });
    // 监听上传消息附件
    WKIM.shared.messageManager.addOnUploadAttachmentListener((wkMsg, back) {
      if (wkMsg.contentType == WkMessageContentType.image) {
        // todo 上传附件
        WKImageContent imageContent = wkMsg.messageContent! as WKImageContent;
        imageContent.url = 'xxxxxx';
        wkMsg.messageContent = imageContent;
        back(true, wkMsg);
      }
      if (wkMsg.contentType == WkMessageContentType.voice) {
        // todo 上传语音
        WKVoiceContent voiceContent = wkMsg.messageContent! as WKVoiceContent;
        voiceContent.url = 'xxxxxx';
        wkMsg.messageContent = voiceContent;
        back(true, wkMsg);
      } else if (wkMsg.contentType == WkMessageContentType.video) {
        WKVideoContent videoContent = wkMsg.messageContent! as WKVideoContent;
        // todo 上传封面及视频
        videoContent.cover = 'xxxxxx';
        videoContent.url = 'ssssss';
        wkMsg.messageContent = videoContent;
        back(true, wkMsg);
      }
    });
  }
}