egg_app/app/svc/svc_im.go

package svc

import (
	"applet/app/db"
	"applet/app/md"
	"applet/app/pkg/pb"
	"applet/app/utils"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/implement"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/model"
	md2 "code.fnuoos.com/EggPlanet/egg_system_rules.git/md"
	"code.fnuoos.com/EggPlanet/egg_system_rules.git/rule"
	"errors"
	"github.com/shopspring/decimal"
	"google.golang.org/protobuf/proto"
	"strings"
	"time"
)

func DelGrabRedPackage(req *md.GrabRedPackageReq, user *model.User) (resp []byte, grabAmount string, err error) {
	var redPacketBalanceAmount, redPacketReceivedUserIds, redPacketReceivedImUserIds, redPackageReceivedUserAmount string
	//1、查找红包
	redPackageOrdDb := implement.NewImSendRedPackageOrdDb(db.Db)
	imSendRedPackageOrd, err := redPackageOrdDb.ImSendRedPackageOrdGetOneByParams(map[string]interface{}{
		"key":   "id",
		"value": req.RedPackageId,
	})
	if err != nil {
		return nil, grabAmount, err
	}

	if imSendRedPackageOrd == nil {
		return nil, grabAmount, errors.New("未查询到对应的红包记录")
	}
	if imSendRedPackageOrd.RedPacketBalanceNums == 0 || imSendRedPackageOrd.State == int(pb.RedPacketStatusType_RPS_EXPIRE) {
		return nil, "-1", nil
	}

	//2、判断用户是否已领取
	receivedUserIds := strings.Split(imSendRedPackageOrd.ReceivedUserIds, ",")
	for k, receivedUserId := range receivedUserIds {
		if receivedUserId == utils.Int64ToStr(user.Id) {
			redPackageReceivedUserAmounts := strings.Split(imSendRedPackageOrd.ReceivedUserAmount, ",")
			grabAmount = redPackageReceivedUserAmounts[k]
			return nil, grabAmount, err
		}
	}

	//3、判断红包类型
	if imSendRedPackageOrd.RedPacketType == int(pb.RedPacketType_RPT_FRIEND) {
		//好友红包
		grabAmount = imSendRedPackageOrd.Amount
		redPacketBalanceAmount = "0"
		redPacketReceivedImUserIds = req.UserId
		redPacketReceivedUserIds = utils.Int64ToStr(user.Id)
		redPackageReceivedUserAmount = imSendRedPackageOrd.Amount
	} else {
		var receivedImUserIds, receivedUserIds, waitDrawImUserIds, redPackageReceivedUserAmounts []string
		if imSendRedPackageOrd.ReceivedImUserIds != "" {
			receivedImUserIds = strings.Split(imSendRedPackageOrd.ReceivedImUserIds, ",")
		}
		if imSendRedPackageOrd.ReceivedUserIds != "" {
			receivedUserIds = strings.Split(imSendRedPackageOrd.ReceivedUserIds, ",")
		}
		if imSendRedPackageOrd.WaitDrawImUserIds != "" {
			waitDrawImUserIds = strings.Split(imSendRedPackageOrd.WaitDrawImUserIds, ",")
		}
		if imSendRedPackageOrd.ReceivedUserAmount != "" {
			redPackageReceivedUserAmounts = strings.Split(imSendRedPackageOrd.ReceivedUserAmount, ",")
		}

		//群组红包
		switch imSendRedPackageOrd.RedPacketType {
		case int(pb.RedPacketType_RPT_GROUP_NORMAL):
			amount, _ := decimal.NewFromString(imSendRedPackageOrd.Amount)
			tmpGrabAmount := amount.Div(decimal.NewFromInt(int64(imSendRedPackageOrd.RedPacketNums)))
			grabAmount = tmpGrabAmount.String()
			tempRedPacketBalanceAmount, _ := decimal.NewFromString(imSendRedPackageOrd.RedPacketBalanceAmount)
			redPacketBalanceAmount = tempRedPacketBalanceAmount.Sub(tmpGrabAmount).String()
			break
		case int(pb.RedPacketType_RPT_GROUP_LUCK):
			balanceAmount, err := decimal.NewFromString(imSendRedPackageOrd.RedPacketBalanceAmount)
			if err != nil {
				return nil, grabAmount, err
			}
			balanceAmountValue, _ := balanceAmount.Float64()
			tmpGrabAmount := float64(utils.DoubleAverage(int64(imSendRedPackageOrd.RedPacketBalanceNums), utils.FloatToInt64(balanceAmountValue*100))) / 100
			grabAmount = utils.AnyToString(tmpGrabAmount)
			redPacketBalanceAmount = balanceAmount.Sub(decimal.NewFromFloat(tmpGrabAmount)).String()
			break
		case int(pb.RedPacketType_RPT_GROUP_SPECIALLY):
			if !utils.ContainerStr(waitDrawImUserIds, req.UserId) {
				return nil, grabAmount, errors.New("非专属用户不能领取")
			}
			grabAmount = imSendRedPackageOrd.Amount
			redPacketBalanceAmount = "0"
			redPacketReceivedImUserIds = req.UserId
			break
		case int(pb.RedPacketType_RPT_SYSTEM_FOR):
			if !utils.ContainerStr(waitDrawImUserIds, req.UserId) {
				return nil, grabAmount, errors.New("非专属用户不能领取")
			}
			grabAmount = imSendRedPackageOrd.Amount
			redPacketBalanceAmount = "0"
			redPacketReceivedImUserIds = req.UserId
			break
		}
		receivedImUserIds = append(receivedImUserIds, req.UserId)
		redPacketReceivedImUserIds = strings.Join(receivedImUserIds, ",")
		receivedUserIds = append(receivedUserIds, utils.AnyToString(user.Id))
		redPacketReceivedUserIds = strings.Join(receivedUserIds, ",")
		redPackageReceivedUserAmounts = append(redPackageReceivedUserAmounts, grabAmount)
		redPackageReceivedUserAmount = strings.Join(redPackageReceivedUserAmounts, ",")
	}

	session := db.Db.NewSession()
	defer session.Close()

	//2、改变红包记录状态
	if imSendRedPackageOrd.ReceivedTimes != "" {
		receivedTimes := strings.Split(imSendRedPackageOrd.ReceivedTimes, ",")
		receivedTimes = append(receivedTimes, time.Now().Format("2006-01-02 15:04:05"))
		imSendRedPackageOrd.ReceivedTimes = strings.Join(receivedTimes, ",")
	} else {
		imSendRedPackageOrd.ReceivedTimes = time.Now().Format("2006-01-02 15:04:05")
	}

	imSendRedPackageOrd.RedPacketBalanceNums = imSendRedPackageOrd.RedPacketBalanceNums - 1
	if imSendRedPackageOrd.RedPacketBalanceNums > 0 {
		imSendRedPackageOrd.State = int(pb.RedPacketStatusType_RPS_DRAWING)
	} else {
		imSendRedPackageOrd.State = int(pb.RedPacketStatusType_RPS_DRAW_OVER)
	}
	imSendRedPackageOrd.ReceivedUserAmount = redPackageReceivedUserAmount
	imSendRedPackageOrd.RedPacketBalanceAmount = redPacketBalanceAmount
	imSendRedPackageOrd.ReceivedUserIds = redPacketReceivedUserIds
	imSendRedPackageOrd.ReceivedImUserIds = redPacketReceivedImUserIds
	_, err = redPackageOrdDb.ImSendRedPackageOrdUpdateBySession(session, imSendRedPackageOrd.Id, imSendRedPackageOrd, "red_packet_balance_nums", "state", "received_user_ids", "received_im_user_ids", "received_times",
		"received_user_amount", "create_time", "update_time", "red_packet_balance_amount")
	if err != nil {
		session.Rollback()
		return nil, grabAmount, err
	}

	//3、加上给用户加上余额
	dealUserWalletReq := md2.DealUserWalletReq{
		Direction: "add",
		Kind:      5,
		Title:     "领取红包收益",
		Uid:       user.Id,
		Amount:    utils.StrToFloat64(grabAmount),
	}
	err = rule.DealUserWallet(session, dealUserWalletReq)
	if err != nil {
		session.Rollback()
		return nil, grabAmount, err
	}

	//4、组装消息参数
	msg := &pb.RED_PACKAGE{
		RedMessageType:   pb.RedPacketMessageType_RMT_GRAB,
		RedPacketType:    pb.RedPacketType(imSendRedPackageOrd.RedPacketType),
		RedPacketContent: "",
		//RedPacketAmount:        float32(utils.AnyToFloat64(req.Amount)),
		//RedPacketNums:          int32(req.RedPacketNums),
		RedPacketBalanceAmount: float32(utils.AnyToFloat64(imSendRedPackageOrd.RedPacketBalanceAmount)),
		ReceivedUserId:         utils.StrToInt64(req.UserId),
		ReceivedUserAmount:     utils.StrToFloat32(grabAmount),
		ReceivedUserNickname:   user.Nickname,
		RedPacketStatusType:    pb.RedPacketStatusType(imSendRedPackageOrd.State),
		RedPacketId:            imSendRedPackageOrd.Id,
		SendRedPacketUid:       int64(imSendRedPackageOrd.ImUid),
		SendRedPacketNickname:  req.SendRedPackageUserNikeName,
		SendRedPacketAvatarUrl: req.SendRedPacketAvatarUrl,
		//RedPacketSmallContent:  req.RedPacketSmallContent,
		RedPacketCover: req.RedPackageCover,
	}

	utils.FilePutContents("DelGrabRedPackage", utils.SerializeStr(map[string]interface{}{
		"args": req,
		"msg":  msg,
		"ord":  imSendRedPackageOrd,
	}))
	resp, err = proto.Marshal(msg)
	if err != nil {
		return nil, grabAmount, err
	}
	return resp, grabAmount, nil
}

func DetailGrabRedPackage(redPackageId string) (resp []md.RedPackageDetailUserNode, imSendRedPackageOrd *model.ImSendRedPackageOrd, err error) {

	//1、查找红包
	redPackageOrdDb := implement.NewImSendRedPackageOrdDb(db.Db)
	imSendRedPackageOrd, err = redPackageOrdDb.ImSendRedPackageOrdGetOneByParams(map[string]interface{}{
		"key":   "id",
		"value": redPackageId,
	})
	if err != nil {
		return nil, nil, err
	}
	if imSendRedPackageOrd == nil {
		return resp, imSendRedPackageOrd, errors.New("未查询到对应的红包记录")
	}
	receivedUserIds := strings.Split(imSendRedPackageOrd.ReceivedUserIds, ",")
	userDb := implement.NewUserDb(db.Db)
	users, err := userDb.UserFindByParams(map[string]interface{}{
		"key":   "id",
		"value": receivedUserIds,
	})
	if err != nil {
		return resp, imSendRedPackageOrd, err
	}
	var usersMap = map[string]model.User{}
	for _, v := range users {
		usersMap[utils.AnyToString(v.Id)] = v
	}
	receivedImUserIds := strings.Split(imSendRedPackageOrd.ReceivedImUserIds, ",")
	receivedTimes := strings.Split(imSendRedPackageOrd.ReceivedTimes, ",")
	receivedUserAmount := strings.Split(imSendRedPackageOrd.ReceivedUserAmount, ",")

	for k, v := range receivedUserIds {
		resp = append(resp, md.RedPackageDetailUserNode{
			ImUserId:      receivedImUserIds[k],
			UserNickName:  usersMap[v].Nickname,
			UserAvatarUrl: usersMap[v].Avatar,
			Amount:        receivedUserAmount[k],
			ReceiveAt:     receivedTimes[k],
		})
	}
	return resp, imSendRedPackageOrd, nil
}