合并转发 V2 消息

CombineV2Message encode() 之后长度 < 120KB，会被当做普通消息发送
>= 120 KB 会被当做媒体消息进行上传
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示例代码

  private testSendCombineV2Message() {
     // 假如拿到了消息数组
     let msgArray: Array<Message> = new Array();

     let msgNum = 0;
     let nameList: Array<string> = [];
     let summaryList: Array<string> = [];
     let msgList: Array<CombineMsgInfo> = [];
     for (let i = 0; i < msgArray.length; i++) {
        let msg = msgArray[i];
        if (this.canSendCombineV2(msg)) {
           let name = i + "名称"; // 请根据实际消息修改
           let summary = i + "摘要"; // 请根据实际消息修改
           let combineInfo = CombineMsgInfo.createWithMessage(msg);
           nameList.push(name);
           summaryList.push(summary);
           msgList.push(combineInfo);
        }
     }

     let conId = new ConversationIdentifier();
     conId.conversationType = ConversationType.Private;
     conId.targetId = "testTargetId";
     conId.channelId = "testChannelId";

     let combineV2Msg = new CombineV2Message();
     combineV2Msg.name = "测试：发送合并转发 V2 消息";
     combineV2Msg.msgNum = msgNum;
     combineV2Msg.conversationType = ConversationType.Private;
     combineV2Msg.msgList = msgList;
     combineV2Msg.nameList = nameList;
     combineV2Msg.summaryList = summaryList;

     let option: ISendMsgOption = {};

     let msg = new Message(conId, combineV2Msg);

     IMEngine.getInstance().sendMediaMessage(msg, option,
        (msg: Message) => {
           // 消息入库
        },
        (msg: Message, progress: number) => {
        // 消息上传进度
        },
     ).then(result => {
           if (result.code == EngineError.Success) {
              // 发送合并转发 V2 消息成功
           } else {
              // 发送合并转发 V2 消息失败
           }
        });
     }

  // 该消息是否被合并转发 V2 版本支持
  private canSendCombineV2(msg: Message | undefined): boolean {
     if (!ObjectChecker.isValid(msg)) {
        return false;
     }
     let objName = msg?.objectName;
     if (TextMessageObjectName == objName) {
        return true;
     }
     if (ImageMessageObjectName == objName) {
        return true;
     }
     if (SightMessageObjectName == objName) {
        return true;
     }
     if (HQVoiceMessageObjectName == objName) {
        return true;
     }
     if (FileMessageObjectName == objName) {
        return true;
     }
     if (CombineV2MessageObjectName == objName) {
        return true;
     }
     return false;
  }
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