zyos_go_mq_consume/consume/zhios_appreciation.go

package consume

import (
	"applet/app/db"
	"applet/app/svc"
	"applet/app/utils"
	"applet/app/utils/logx"
	"applet/consume/md"
	"code.fnuoos.com/go_rely_warehouse/zyos_go_mq.git/rabbit"
	"encoding/json"
	"errors"
	"fmt"
	"github.com/streadway/amqp"
	"xorm.io/xorm"
)

func ZhiosAppreciation(queue md.MqQueue) {
	fmt.Println(">>>>>>>>>>>>>>>>>>>>>>>>")
	ch, err := rabbit.Cfg.Pool.GetChannel()
	if err != nil {
		logx.Error(err)
		return
	}
	defer ch.Release()
	//1、将自己绑定到交换机上
	ch.Bind(queue.Name, queue.ExchangeName, queue.RoutKey)
	//2、取出数据进行消费
	ch.Qos(1)
	delivery := ch.Consume(queue.Name, false)

	var res amqp.Delivery
	var ok bool
	for {
		res, ok = <-delivery
		if ok == true {
			//fmt.Println(string(res.Body))
			fmt.Println(">>>>>>>>>>>>>>>>CanalOrderConsume<<<<<<<<<<<<<<<<<<<<<<<<<")
			err = handleZhiosAppreciation(res.Body)
			//_ = res.Reject(false)
			if err == nil {
				_ = res.Ack(true)
			}
		} else {
			panic(errors.New("error getting message"))
		}
	}
	fmt.Println("get msg done")
}

func handleZhiosAppreciation(msg []byte) error {
	//1、解析canal采集至mq中queue的数据结构体
	var canalMsg *md.ZhiosAppreciation
	fmt.Println(string(msg))
	var tmpString string
	err := json.Unmarshal(msg, &tmpString)
	if err != nil {
		fmt.Println("===with", err.Error())
		return err
	}
	fmt.Println(tmpString)
	err = json.Unmarshal([]byte(tmpString), &canalMsg)
	if err != nil {
		fmt.Println("===with", err.Error())
		return err
	}
	mid := canalMsg.Mid
	eg := db.DBs[mid]
	if eg == nil {
		return nil
	}

	//类型 转入 exchange
	if canalMsg.Type == "exchange" {
		err := exchange(eg, canalMsg)
		if err != nil {
			return err
		}
	}
	//类型 提现 withdraw  到余额
	if canalMsg.Type == "withdraw" {
		err := withdraw(eg, canalMsg)
		if err != nil {
			return err
		}
	}
	//类型 购物销毁
	if canalMsg.Type == "destroy" {
		err := destroy(eg, canalMsg)
		if err != nil {
			return err
		}
	}

	return nil
}

//转入 操作加入资金池和加入积分
func exchange(eg *xorm.Engine, msg *md.ZhiosAppreciation) error {

	sess := eg.NewSession()
	defer sess.Close()
	sess.Begin()
	//计算出当前的价值
	args := make(map[string]string)
	json.Unmarshal([]byte(msg.Ext), &args)
	biliMap := caleBili(eg, sess, msg.Mid, args)
	ordId := utils.OrderUUID(utils.StrToInt(msg.Uid))
	coinMapInUse, _ := db.VirtualCoinMapInUse(eg, msg.Mid, "")
	//积分加入
	title := coinMapInUse[args["id"]].Name + "-转入"
	appreciationCoinId := db.SysCfgGetWithDb(eg, msg.Mid, "appreciation_coin_id")
	_, err := svc.ExchangeUserVirFinValidAndInterFlowWithSession(sess,
		utils.StrToFloat64(biliMap["in_coin"]), title, "0", 1, 109, utils.StrToInt(msg.Uid), utils.StrToInt(appreciationCoinId), 0, utils.StrToInt64(ordId), "", 0, 0)
	if err != nil {
		sess.Rollback()
		return err
	}
	//加入资金池
	sql := `UPDATE appreciation_base SET sum=sum+?,flow_sum=flow_sum+? WHERE is_use=1;`
	_, err = sess.Exec(sql, biliMap["coin"], biliMap["in_coin"])
	if err != nil {
		sess.Rollback()
		return err
	}
	sess.Commit()
	return nil
}

//提现
func withdraw(eg *xorm.Engine, msg *md.ZhiosAppreciation) error {
	sess := eg.NewSession()
	defer sess.Close()
	sess.Begin()
	args := make(map[string]string)
	json.Unmarshal([]byte(msg.Ext), &args)
	coinMap := coinPriceEg(eg)
	appreciationWithdrawFee := db.SysCfgGetWithDb(eg, msg.Mid, "appreciation_withdraw_fee")
	appreciationWithdrawBack := db.SysCfgGetWithDb(eg, msg.Mid, "appreciation_withdraw_back")
	//实际到账的
	amount := utils.StrToFloat64(args["amount"]) * (1 - (utils.StrToFloat64(appreciationWithdrawFee) / 100))
	newAmount := utils.GetPrec(utils.Float64ToStrByPrec(amount*utils.StrToFloat64(coinMap["price"]), 5), "4")
	//扣的
	coinSum := utils.StrToFloat64(args["amount"]) * (1 - (utils.StrToFloat64(appreciationWithdrawFee) / 100) - (utils.StrToFloat64(appreciationWithdrawBack) / 100))
	err := svc.UpdateUserFinValidAndInterFlowSess(sess,
		newAmount, args["amount"]+"个积分转余额", "appreciation", 0, 56, utils.StrToInt(msg.Uid), utils.StrToInt(msg.Oid), utils.StrToInt64(msg.Oid), utils.StrToInt64(msg.Oid))
	if err != nil {
		sess.Rollback()
		return err
	}
	sql := `UPDATE appreciation_base SET sum=sum-?,flow_sum=flow_sum-? WHERE is_use=1;`
	_, err = eg.Exec(sql, coinSum, args["amount"])
	if err != nil {
		sess.Rollback()
		return err
	}
	sess.Commit()
	return err
}

//购物销毁
func destroy(eg *xorm.Engine, msg *md.ZhiosAppreciation) error {
	args := make(map[string]string)
	json.Unmarshal([]byte(msg.Ext), &args)
	sql := `UPDATE appreciation_base SET sum=sum-?,flow_sum=flow_sum-? WHERE is_use=1;`
	_, err := eg.Exec(sql, args["amount"], args["amount"])
	if err != nil {
		return err
	}
	return err
}

func caleBili(eg *xorm.Engine, sess *xorm.Session, dbName string, args map[string]string) map[string]string {
	appreciationCoinId := db.SysCfgGetWithDb(eg, dbName, "appreciation_coin_id")
	bCoinStr := ""
	bcoin := ""
	if args["id"] == "cny" {
		bCoinStr = args["amount"]
	} else {
		ids := []string{args["id"], appreciationCoinId}
		coin := db.VirtualCoinByIds(eg, ids)
		aCoinBili := coin[args["id"]].ExchangeRatio
		//1:5=X:money  X= 1:5*money
		amoney := (1 / utils.StrToFloat64(aCoinBili)) * utils.StrToFloat64(args["amount"])
		bcoin = utils.GetPrec(utils.Float64ToStrByPrec(amoney, 5), "4")
		//这是只返70%
		appreciationCoinFee := db.SysCfgGetWithDb(eg, dbName, "appreciation_coin_fee")
		bCoins := amoney * (utils.StrToFloat64(appreciationCoinFee) / 100)
		coinPriceMap := coinPrice(sess)
		//除以当前的资产价值
		bCoins = bCoins / utils.StrToFloat64(coinPriceMap["price"])
		bCoinStr = utils.GetPrec(utils.Float64ToStrByPrec(bCoins, 5), "4")
	}
	res := map[string]string{
		"in_coin": bCoinStr,
		"coin":    bcoin,
	}
	return res
}
func coinPrice(sess *xorm.Session) map[string]string {
	base := db.GetAppreciationBase(sess)
	sum := "0"
	flowSum := "0"
	price := "1"
	if base != nil {
		sum = base.Sum
		flowSum = base.FlowSum
	}
	if utils.StrToFloat64(base.Sum) > 0 {
		price = utils.GetPrec(utils.Float64ToStrByPrec(utils.StrToFloat64(sum)/utils.StrToFloat64(flowSum), 5), "4")
	}
	res := map[string]string{
		"price":    price,
		"sum":      sum,
		"flow_sum": flowSum,
	}
	return res
}
func coinPriceEg(eg *xorm.Engine) map[string]string {
	base := db.GetAppreciationBaseEg(eg)
	sum := "0"
	flowSum := "0"
	price := "1"
	if base != nil {
		sum = base.Sum
		flowSum = base.FlowSum
	}
	price = utils.GetPrec(utils.Float64ToStrByPrec(utils.StrToFloat64(sum)/utils.StrToFloat64(flowSum), 5), "4")
	res := map[string]string{
		"price":    price,
		"sum":      sum,
		"flow_sum": flowSum,
	}
	return res
}