Method FetchForwardMsg

client/operation.go:941–991

FetchForwardMsg 获取合并转发消息

(resID string)

// FetchForwardMsg 获取合并转发消息
func (c *QQClient) FetchForwardMsg(resID string) (msg *message2.ForwardMessage, err error) {
	if resID == "" {
		return msg, errors.New("empty resID")
	}
	pkt, err := messagePkt.BuildMultiMsgDownloadReq(c.GetUID(c.Uin), resID)
	if err != nil {
		return nil, err
	}
	resp, err := c.sendUniPacketAndWait("trpc.group.long_msg_interface.MsgService.SsoRecvLongMsg", pkt)
	if err != nil {
		return nil, err
	}
	pasted, err := messagePkt.ParseMultiMsgDownloadResp(resp)
	if err != nil {
		return nil, err
	}
	if pasted.Result == nil || pasted.Result.Payload == nil {
		return nil, errors.New("empty response data")
	}
	data := binary.GZipUncompress(pasted.Result.Payload)
	result := &message.LongMsgResult{}
	if err = proto.Unmarshal(data, result); err != nil {
		return nil, err
	}

	forwardMsg := &message2.ForwardMessage{ResID: resID}
	for _, action := range result.Action {
		if action.ActionCommand == "MultiMsg" {
			forwardMsg.Nodes = make([]*message2.ForwardNode, len(action.ActionData.MsgBody))
			for idx, b := range action.ActionData.MsgBody {
				forwardMsg.Nodes[idx] = &message2.ForwardNode{
					SenderID: b.ResponseHead.FromUin,
					Time:     b.ContentHead.TimeStamp.Unwrap(),
				}
				if forwardMsg.IsGroup = b.ResponseHead.Grp != nil; forwardMsg.IsGroup {
					forwardMsg.Nodes[idx].GroupID = b.ResponseHead.Grp.GroupUin
					forwardMsg.Nodes[idx].SenderName = b.ResponseHead.Grp.MemberName
					grpMsg := message2.ParseGroupMessage(b)
					c.PreprocessGroupMessageEvent(grpMsg)
					forwardMsg.Nodes[idx].Message = grpMsg.Elements
				} else {
					forwardMsg.Nodes[idx].SenderName = b.ResponseHead.Forward.FriendName.Unwrap()
					prvMsg := message2.ParsePrivateMessage(b)
					c.PreprocessPrivateMessageEvent(prvMsg)
					forwardMsg.Nodes[idx].Message = prvMsg.Elements
				}
			}
		}
	}
	return forwardMsg, nil
}

// UploadForwardMsg 上传合并转发消息
// groupUin should be the group number where the uploader is located or 0 (c2c)