egg_system_rules/rule/egg_energy/auto_adjust_prices.go

package egg_energy

import (
	"code.fnuoos.com/EggPlanet/egg_models.git/src/implement"
	"code.fnuoos.com/EggPlanet/egg_system_rules.git/rule/egg_energy/enum"
	md2 "code.fnuoos.com/EggPlanet/egg_system_rules.git/rule/egg_energy/md"
	"code.fnuoos.com/EggPlanet/egg_system_rules.git/rule/egg_energy/svc"
	zhios_order_relate_logx "code.fnuoos.com/EggPlanet/egg_system_rules.git/utils/logx"
	"encoding/json"
	"errors"
	"fmt"
	"github.com/shopspring/decimal"
	"time"
	"xorm.io/xorm"
)

// AutoAdjustPrice 自动调整价格
func AutoAdjustPrice(engine *xorm.Engine) (err error) {
	now := time.Now()
	fmt.Println(now.Hour())

	//1、查找 `egg_energy_core_data` && `egg_energy_basic_setting`
	eggEnergyCoreData, cb, err := svc.GetEggEnergyCoreData(engine)
	if err != nil {
		return
	}
	if cb != nil {
		defer cb() // 释放锁
	}

	eggEnergyBasicSettingDb := implement.NewEggEnergyBasicSettingDb(engine)
	eggEnergyBasicSetting, err := eggEnergyBasicSettingDb.EggEnergyBasicSettingGetOneByParams(map[string]interface{}{
		"key":   "is_open",
		"value": 1,
	})
	if err != nil {
		return
	}
	if eggEnergyBasicSetting == nil {
		err = errors.New("蛋蛋能量设置未开启！")
		return
	}
	var priceSettingStruct *md2.PriceSettingStruct
	err = json.Unmarshal([]byte(eggEnergyBasicSetting.PriceSetting), &priceSettingStruct)
	if err != nil {
		return
	}
	if priceSettingStruct.PriceHigherThanValue == "" || priceSettingStruct.MarketplaceMerchantsNumsExchangeMarketplaceMerchantsFundValue == "" || priceSettingStruct.PriceBelowValue == "" || priceSettingStruct.MarketplaceMerchantsFundExchangeMarketplaceMerchantsNumsValue == "" {
		err = errors.New("价格设置未完全！")
		return
	}

	session := engine.NewSession()
	defer func() {
		session.Close()
		if err := recover(); err != nil {
			_ = zhios_order_relate_logx.Error(err)
		}
	}()
	session.Begin()

	priceHigherThanValue, _ := decimal.NewFromString(priceSettingStruct.PriceHigherThanValue)
	marketplaceMerchantsNumsExchangeMarketplaceMerchantsFundValue, _ := decimal.NewFromString(priceSettingStruct.MarketplaceMerchantsNumsExchangeMarketplaceMerchantsFundValue)
	marketplaceMerchantsFundExchangeMarketplaceMerchantsNumsValue, _ := decimal.NewFromString(priceSettingStruct.MarketplaceMerchantsFundExchangeMarketplaceMerchantsNumsValue)
	priceBelowValue, _ := decimal.NewFromString(priceSettingStruct.PriceBelowValue)
	nowPriceValue, _ := decimal.NewFromString(eggEnergyCoreData.NowPrice)
	if nowPriceValue.GreaterThan(priceHigherThanValue) {
		//当价格涨到设置某个价格时，自动执行  市商数量 兑换 市商资金 (降价公式)
		err1, resp := CalcPriceReductionFormula(marketplaceMerchantsNumsExchangeMarketplaceMerchantsFundValue.String(), eggEnergyCoreData)
		if err1 != nil {
			fmt.Println("err1111:::", err1)
			_ = session.Rollback()
			return err1
		}

		// 市商数量 减少、市商资金 增加
		err = DealAvailableEggEnergyCoin(session, int(enum.MarketplaceMerchantNumsAutoExchangeMarketplaceMerchantFunds), eggEnergyCoreData, md2.DealAvailableEggEnergyCoinReq{
			Amount:                 resp.GetEggEnergyAmount,
			AmountFee:              marketplaceMerchantsNumsExchangeMarketplaceMerchantsFundValue.String(),
			BeforePrice:            resp.BeforePrice,
			AfterPrice:             resp.AfterPrice,
			BeforePlanetTotalValue: resp.BeforePlanetTotalValue,
			AfterPlanetTotalValue:  resp.AfterPlanetTotalValue,
			BeforeEnergyTotalNums:  resp.BeforeEnergyTotalNums,
			AfterEnergyTotalNums:   resp.AfterEnergyTotalNums,
		})
		if err != nil {
			fmt.Println("err:::::22222", err)
			_ = session.Rollback()
			return err
		}
	}
	if nowPriceValue.LessThan(priceBelowValue) {
		//当价格降到设置某个价格时，自动执行  市商资金 兑换 市商数量 (涨价公式)
		err1, resp := CalcPriceIncreaseFormula(marketplaceMerchantsFundExchangeMarketplaceMerchantsNumsValue.String(), eggEnergyCoreData)
		if err1 != nil {
			fmt.Println("err1111:::", err1)
			_ = session.Rollback()
			return err1
		}

		// 市商数量 增加、市商资金 减少
		err = DealAvailableEggEnergyCoin(session, int(enum.MarketplaceMerchantFundsAutoExchangeMarketplaceMerchantNums), eggEnergyCoreData, md2.DealAvailableEggEnergyCoinReq{
			Amount:                 resp.GetEggEnergyNums,
			AmountFee:              marketplaceMerchantsFundExchangeMarketplaceMerchantsNumsValue.String(),
			BeforePrice:            resp.BeforePrice,
			AfterPrice:             resp.AfterPrice,
			BeforePlanetTotalValue: resp.BeforePlanetTotalValue,
			AfterPlanetTotalValue:  resp.AfterPlanetTotalValue,
			BeforeEnergyTotalNums:  resp.BeforeEnergyTotalNums,
			AfterEnergyTotalNums:   resp.AfterEnergyTotalNums,
		})
		if err != nil {
			fmt.Println("err:::::22222", err)
			_ = session.Rollback()
			return err
		}
	}

	err = session.Commit()
	if err != nil {
		_ = session.Rollback()
		return errors.New("事务提交失败")
	}
	return
}