go_zh/api/shop_order.go

package api

import (
	"encoding/json"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/shopspring/decimal"
	"go_zh/model"
	"go_zh/pkg/validator"
	"go_zh/request/api"
	"go_zh/server"
)

type ShopOrderController struct {
	BaseController
}

func (shopOrder ShopOrderController) GetOrderSn(c *gin.Context) {
	mId := c.GetInt("mId")

	//数据验证
	var data api.CreateOrderRequest
	msg, ok := validator.ValidatorData(c, &data)
	if !ok {
		shopOrder.responseError(c, 400, msg)
		return
	}
	if data.PayType == 1 {
		if mId == 0 {
			shopOrder.responseError(c, 401, "缺少登陆信息")
			return
		}
	}

	//对金额进行精度处理
	money, err := decimal.NewFromString(data.PayMoney)
	if err != nil {
		shopOrder.responseError(c, 400, "金额错误")
		return
	}
	//对最小金额做判断
	minMoney, _ := decimal.NewFromString("0.01")
	if money.LessThan(minMoney) { //当 money小于minMoney时
		shopOrder.responseError(c, 400, "金额不合法")
		return
	}

	redisServer := server.GetRedisServerInstance()
	//获取商户银联信息
	shopMchidModel := model.XShopMchid{}
	var shopMchidInfo = model.XShopMchid{}

	shopMchidKey := fmt.Sprintf("%s%s", "shopMachidInfo", data.ShopId)

	shopMchidJson := redisServer.GetStr(shopMchidKey)
	if len(shopMchidJson) == 0 { //没缓存信息
		shopMchidInfo, err = shopMchidModel.GetShopBankMchid(data.ShopId)
		if err != nil {
			shopOrder.responseError(c, 400, "商户号信息错误"+err.Error())
			return
		}
		//存入缓存
		jsonData, _ := json.Marshal(shopMchidInfo)
		redisServer.SetStr(shopMchidKey, string(jsonData), 120)
	} else {
		_ = json.Unmarshal([]byte(shopMchidJson), &shopMchidInfo)

	}
	isBank := 0
	if shopMchidInfo.ID > 0 { //如果有银联信息就是银联支付
		isBank = 1
	}
	//获取商户配置
	shopSetModel := model.XShopSet{}
	var shopSetInfo = model.XShopSet{}

	shopSetKey := fmt.Sprintf("%s%s", "shopSetInfo", data.ShopId)

	shopSetJson := redisServer.GetStr(shopSetKey)
	if len(shopSetJson) == 0 { //没缓存信息
		shopSetInfo, err = shopSetModel.GetShopSetInfo(data.ShopId)
		if err != nil {
			shopOrder.responseError(c, 400, "商户配置信息错误")
			return
		}
		//存入缓存
		shopSetJsonData, _ := json.Marshal(shopSetInfo)
		redisServer.SetStr(shopSetKey, string(shopSetJsonData), 120)
	} else {
		_ = json.Unmarshal([]byte(shopSetJson), &shopSetInfo)

	}
	var discount decimal.Decimal
	if shopSetInfo.ID <= 0 { //如果没有
		discount, _ = decimal.NewFromString("0")
	} else {
		discount = shopSetInfo.Discount
	}
	orderSnServer := server.GetOrderSnServerInstance(1)
	orderSn := orderSnServer.GenerateString("382FS")
	//创建订单信息
	shopOrderModel := model.XShopOrder{}
	shopOrderModel.ShopID = data.ShopId
	shopOrderModel.PayType = data.PayType
	shopOrderModel.MID = mId
	shopOrderModel.RsSn = orderSn
	shopOrderModel.PayMoney = money
	shopOrderModel.Status = 1
	shopOrderModel.Discount = discount
	shopOrderModel.IsClearing = 0
	shopOrderModel.IsReport = 0
	shopOrderModel.PayCodeSource = data.PayCodeSource
	shopOrderModel.IsBank = isBank

	err = shopOrderModel.CreateShopOrder()
	if err != nil {
		shopOrder.responseError(c, 400, "订单创建失败")
		return
	}
	shopOrder.responseSuccess(c, shopOrderModel.ID)
}