zyos_go_order_relate_rule/rule/appreciation.go

package rule

import (
	"code.fnuoos.com/go_rely_warehouse/zyos_go_order_relate_rule.git/db/model"
	"code.fnuoos.com/go_rely_warehouse/zyos_go_order_relate_rule.git/md"
	"code.fnuoos.com/go_rely_warehouse/zyos_go_order_relate_rule.git/utils/cache"
	"errors"
	"github.com/shopspring/decimal"
	"xorm.io/xorm"
)

func InitForAppreciation(redisAddr string) (err error) {
	if redisAddr != "" {
		cache.NewRedis(redisAddr)
	}
	_, err = cache.SelectDb(md.RedisDataBase)
	return
}

/*
   计算增值积分当前价值
   TODO:: 公式【 总资产/流通资产=当前积分价值 】
*/
func CalcAppreciationValue(session *xorm.Session) (err error, value float64) {
	var appreciationBase model.AppreciationBase
	//1、查询增值积分资产总值
	has, err := session.Table("appreciation_base").Where("is_use =1").Get(&appreciationBase)
	if err != nil {
		return err, value
	}
	if !has {
		return errors.New("未查询到`增值积分资产总值`记录"), value
	}
	sum, _ := decimal.NewFromString(appreciationBase.Sum)         //总资产
	flowSum, _ := decimal.NewFromString(appreciationBase.FlowSum) //流通资产
	value, _ = sum.Div(flowSum).Float64()
	return
}

//DealTransferIn 处理转入
func DealTransferIn(session *xorm.Session, amount float64) (err error, value float64) {
	amountValue := decimal.NewFromFloat(amount)
	err, nowValue := CalcAppreciationValue(session)
	if err != nil {
		return
	}
	nowValueF := decimal.NewFromFloat(nowValue)
	value, _ = amountValue.Div(nowValueF).Float64()
	return
}

// DealWithdrawalAndDestroy 处理给用户提现
func DealWithdrawalAndDestroy(session *xorm.Session, transferOut float64) (err error, resp md.DealWithdrawalAndDestroyResp) {
	transferOutValue := decimal.NewFromFloat(transferOut).Mul(md.WithdrawalCommissionFee)
	destroyValue := decimal.NewFromFloat(transferOut).Mul(md.WithdrawalDestroyFee)
	refluxValue := decimal.NewFromFloat(transferOut).Mul(md.WithdrawalRefluxFee)
	err, nowValue := CalcAppreciationValue(session)
	if err != nil {
		return
	}
	resp.TransferOut = transferOut
	resp.AmountOut, _ = transferOutValue.Mul(decimal.NewFromFloat(nowValue)).Float64()
	resp.DestroyValue, _ = destroyValue.Float64()
	resp.DestroyValue, _ = refluxValue.Float64()
	return
}