简易聊天系统-聊天服务

// 处理群消息
func DealGroupMsg(delivery *amqp.Delivery, transfer1 *transfer) {
	now := time.Now()

	Userid := transfer1.Id
	var mess SendMessage
	err := mapstructure.Decode(transfer1.Data.Data, &mess)
	if err != nil {
		fmt.Println("DealGroupMsg json err :", err)
		return
	}
	if mess.UserId != Userid {
		fmt.Println("DealGroupMsg 发送者id不一致 ", mess.UserId, "--", Userid)
		//	delivery.Ack(true)
		return
	}

	ItemId := mess.To
	if mess.MsgType != GroupMessage {
		fmt.Println("DealGroupMsg 信息类型不一致 ", mess.MsgType, "--", Userid)
		//	delivery.Ack(true)
		return
	}
	// 判断用户是否为群成员
	r, err := IsGroupMember(Userid, ItemId)
	if err != nil {
		fmt.Println("DealGroupMsg json err :", err)
		return
	}
	if !r {
		fmt.Println("DealGroupMsg 不属于群成员 ", mess.To, "--", Userid)
		//	delivery.Ack(true)
		return
	}
	// 获取全局id
	id, err := redisconn.GetGlobalID()
	if err != nil {
		fmt.Println("DealGroupMsg json err :", err)
		return
	}

	//fmt.Println(id)
	//	time.Sleep(4 * time.Second)
	// 获取当前时间戳
	ti := time.Now().UnixNano() / 1e6
	Msgid1 := strconv.FormatInt(ti, 10) + fmt.Sprintf("%06d", id)
	mess.Id = Msgid1
	// 将id 发送给发信息者
	var sendmessagereply SendMessageReply
	sendmessagereply.Id = Msgid1
	sendmessagereply.MsgReplyID = mess.MsgReplyID
	sendmessagereply.To = mess.To
	sendmessagereply.MsgType = GroupMessage
	nowtime := time.Now().UnixNano() / 1e6
	// 如果发送时间差值小于2S 选用发送者时间 否则选择后台时间
	UserSendTime, err := strconv.ParseInt(mess.SendTime, 10, 64)
	if err != nil {
		fmt.Println("DealGroupMsg", err)
		return
	}
	var ReplyTime string
	if Abs(UserSendTime-nowtime) < 1000*2 {
		ReplyTime = strconv.FormatInt(UserSendTime, 10)
	} else {
		ReplyTime = strconv.FormatInt(nowtime, 10)
	}
	sendmessagereply.ReplyTime = ReplyTime
	var json = jsoniter.ConfigCompatibleWithStandardLibrary
	data2, err := json.Marshal(sendmessagereply)
	if err != nil {
		fmt.Println("DealGroupMsg", err)
		return
	}
	time11 := time.Now()
	err = RabbitMqPublish(mq, data2, Userid, SendGroupMsgAckReply, transfer1.From)
	if err != nil {
		fmt.Println("DealGroupMsg", err)
		return
	}
	fmt.Println("RabbitMqPublish", time.Now().Sub(time11))
	// 查询群成员
	//	delivery.Ack(true)
	var rmsg ReceiveMessage
	rmsg.Id = Msgid1
	rmsg.MsgData = mess.MsgData
	rmsg.MsgDataType = mess.MsgDataType
	rmsg.MsgType = GroupMessage
	rmsg.To = mess.To
	rmsg.UserId = mess.UserId
	rmsg.SendTime = ReplyTime
	// 使用Mysql存储起来
	go InsertMessages(rmsg)
	// err = msql.InsertChatMessage(Msgid1, mess.UserId, mess.To, mess.MsgData, mess.MsgType, mess.MsgDataType, ReplyTime)
	// if err != nil {
	// 	fmt.Println("DealGroupMsg e", Msgid1, err)
	// 	return
	// }
	fmt.Println("DealGroupMsg", time.Now().Sub(now))
	go DealGroupMessage(ItemId, rmsg)
}

// 群成员发送信息后后续处理
func DealGroupMessage(GroupId string, Msg ReceiveMessage) {
	now := time.Now()

	// 获取群成员 在线则发送
	members, err := GetGroupMemberListSimply(GroupId)
	if err != nil {
		fmt.Println("DealGroupMessage", err)
		return
	}

	data2, err := json.Marshal(Msg)
	if err != nil {
		fmt.Println("DealGroupMessage", err)
		return
	}

	for _, member := range members {
		// 获取用户信息
		u, err := redisconn.RedisGetUser(member.User.Userid)
		if err != nil {
			fmt.Println("DealGroupMessage", err)
			continue
		}
		//如果群成员在线则发送
		if u.Status == OnLine {
			//		fmt.Println("Send")
			err = RabbitMqPublish(mq, data2, u.Userid, ReceiveGroupMsg, u.GateWay)
			if err != nil {
				fmt.Println("AddUserDeal", err)
				return
			}
		}
	}
	fmt.Println("DealGroupMessage", time.Now().Sub(now))
}