egg_app/app/svc/svc_withdraw_apply.go

package svc

import (
	"applet/app/db"
	"applet/app/e"
	"applet/app/utils"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/implement"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/model"
	"code.fnuoos.com/EggPlanet/egg_system_rules.git/rule/egg_energy/md"
	"errors"
	"github.com/gin-gonic/gin"
	"github.com/shopspring/decimal"
	"math"
	"strings"
	"time"
)

func CheckWithdraw(c *gin.Context, amount string) (err error, realAmount, fee string, isAuto, isFirst bool) {
	realAmount = amount
	user := GetUser(c)
	now := time.Now()
	amountValue, _ := decimal.NewFromString(amount)
	//1、查询 fin_withdraw_setting 提现设置表
	finWithdrawSettingDb := implement.NewFinWithdrawSettingDb(db.Db)
	withdrawSetting, err := finWithdrawSettingDb.FinWithdrawSettingGetOne()
	if err != nil {
		e.OutErr(c, e.ERR_DB_ORM, err.Error())
		return
	}

	//2、判断是否为第一次提现
	var isCompleteFirstWithdraw bool
	has, err := db.Db.Where("uid = ? and ", user.Id).
		And("uid =?", user.Id).
		Get(model.FinWithdrawApply{})
	if has { //第一次提现
		isFirst = true
		var firstWithdrawSet md.FirstWithdrawSet
		utils.Unserialize([]byte(withdrawSetting.FrequencySet), &firstWithdrawSet)
		if firstWithdrawSet.IsNeedRealName == 0 && firstWithdrawSet.FirstWithdrawAmountLimit >= amount {
			isCompleteFirstWithdraw = true
		}
	}

	//2、判断“是否实名”
	if isCompleteFirstWithdraw && withdrawSetting.IsRealName == 1 && user.IsRealName != 1 {
		return errors.New("非实名用户不可提现"), realAmount, fee, isAuto, isFirst
	}

	//3、判断“提现金额”
	if isCompleteFirstWithdraw && utils.StrToFloat64(withdrawSetting.WithdrawAmountLimit) > 0 {
		withdrawAmountLimitValue, _ := decimal.NewFromString(withdrawSetting.WithdrawAmountLimit)
		if amountValue.GreaterThan(withdrawAmountLimitValue) {
			return errors.New("非可提现金额"), realAmount, fee, isAuto, isFirst
		}
	}

	//4、判断“提现倍数”
	if isCompleteFirstWithdraw && utils.StrToFloat64(withdrawSetting.WithdrawMultipleLimit) > 0 {
		result := utils.StrToFloat64(amount) / utils.StrToFloat64(withdrawSetting.WithdrawMultipleLimit)
		// 检查结果是否非常接近一个整数
		roundedResult := math.Round(result)
		if !(math.Abs(roundedResult-result) < 1e-9) {
			return errors.New("非可提现倍数"), realAmount, fee, isAuto, isFirst
		}
	}

	//5、验证会员等级
	if isCompleteFirstWithdraw && withdrawSetting.VipLevelLimit > 0 && withdrawSetting.VipLevelLimit > user.Level {
		return errors.New("非可提现会员等级"), realAmount, fee, isAuto, isFirst
	}

	//6、 验证小数点
	if isCompleteFirstWithdraw && withdrawSetting.IsSupportDecimalPoint == 0 && strings.Contains(amount, ".") {
		return errors.New("不支持的提现金额"), realAmount, fee, isAuto, isFirst
	}

	//7、验证时段
	if withdrawSetting.WithdrawTimeInterval != "" {
		withdrawTimeInterval := strings.Split(withdrawSetting.WithdrawTimeInterval, "-")
		// 定义要比较的时间格式
		layout := "15:04"
		// 解析给定的时间字符串
		start, _ := time.Parse(layout, withdrawTimeInterval[0])
		end, _ := time.Parse(layout, withdrawTimeInterval[1])
		// 设置为今天的日期
		start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
		end = time.Date(now.Year(), now.Month(), now.Day(), end.Hour(), end.Minute(), 0, 0, now.Location())

		// 如果结束时间小于开始时间，说明跨天了
		if end.Before(start) {
			if !(now.After(start) || now.Before(end)) {
				return errors.New("非可提现时间段"), realAmount, fee, isAuto, isFirst
			}
		} else { // 否则，在同一天内比较
			if !(now.After(start) && now.Before(end)) {
				return errors.New("非可提现时间段"), realAmount, fee, isAuto, isFirst
			}
		}
	}

	//8、验证“提现频率”
	var frequency md.WithdrawFrequencySettingStruct
	utils.Unserialize([]byte(withdrawSetting.FrequencySet), &frequency)
	if frequency.Duration == 2 {
		day := now.Weekday()
		if !utils.InArr(utils.IntToStr(int(day)), frequency.Num) {
			return errors.New("非可提现日期"), realAmount, fee, isAuto, isFirst
		}
	}
	if frequency.Duration == 3 {
		day := now.Day()
		if !utils.InArr(utils.IntToStr(day), frequency.Num) {
			return errors.New("非可提现日期"), realAmount, fee, isAuto, isFirst
		}
	}

	if withdrawSetting.WithdrawNumsLimit > 0 {
		var withdrawNums int64
		var startOfDay, endOfDay time.Time
		if frequency.Duration == 1 { //按天
			startOfDay = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
			endOfDay = startOfDay.Add(24 * time.Hour)
		}
		if frequency.Duration == 2 { //按周
			startOfDay = utils.GetStartOfWeek(now)
			endOfDay = startOfDay.Add(7 * 24 * time.Hour)
		}
		if frequency.Duration == 3 { //按月
			startOfDay = utils.GetFirstDateOfMonth(now)
			endOfDay = utils.GetLastDateOfMonth(now)
		}
		withdrawNums, err = db.Db.Where("create_at >= ?", startOfDay.Format("2006-01-02 15:04:05")).
			And("create_at < ?", endOfDay.Format("2006-01-02 15:04:05")).
			And("uid =?", user.Id).
			And("state != 3"). //失败不计入
			Count(&model.FinWithdrawApply{})
		if err != nil {
			return err, realAmount, fee, isAuto, isFirst
		}
		if int(withdrawNums) >= withdrawSetting.WithdrawNumsLimit {
			return errors.New("当前已无可提现次数"), realAmount, fee, isAuto, isFirst
		}
	}

	//9、计算手续费
	var feeSet md.WithdrawFeeSetStruct
	utils.Unserialize([]byte(withdrawSetting.WithdrawFeeSet), &feeSet)
	if feeSet.Value > 0 {
		feeSerValue := decimal.NewFromInt(int64(feeSet.Value))
		if feeSet.Kind == 2 { //固定比例
			feeSerValue = amountValue.Mul(feeSerValue.Div(decimal.NewFromInt(100)))
			fee = amountValue.Mul(feeSerValue.Div(decimal.NewFromInt(100))).String()
		}

		fee = feeSerValue.String()
		realAmount = amountValue.Sub(feeSerValue).String()
	}

	//10、判断是否为自动提现
	if withdrawSetting.IsAuto > 0 {
		autoAmountLimit, _ := decimal.NewFromString(withdrawSetting.IsAutoAmountLimit)
		if amountValue.GreaterThanOrEqual(autoAmountLimit) {
			isAuto = true
		}
	}

	if utils.StrToFloat64(realAmount) <= 0 {
		return errors.New("当前提现金额有误"), realAmount, fee, isAuto, isFirst
	}

	return
}