YouChuKoffee/app/services/OrderService.go

package services

import (
	"encoding/json"
	"qteam/app/constants/common"
	"qteam/app/constants/errorcode"
	"qteam/app/http/entities/front"
	"qteam/app/models/ordersmodel"
	"qteam/app/models/productsmodel"
	"qteam/app/models/usersmodel"
	"qteam/app/third/market"
	"qteam/app/third/youchu"
	"qteam/app/utils"
	redis_util "qteam/app/utils/redis"
	"qteam/config"
	"strconv"
	"time"
	"xorm.io/builder"
)

func CreateOrderService(userId int, productId int) (code int, data front.InsertOrderResponse) {
	var err error
	{ // redis保证用户当前抽奖结束才能开始下次抽奖
		key := utils.GetRealKey("lottery_code:" + strconv.Itoa(userId) + strconv.Itoa(productId))
		ok, err := redis_util.AcquireLock(key, time.Second*10)
		if ok {
			defer redis_util.Del(key)
		} else {
			if err != nil {
				utils.Log(nil, "CreateOrderService", err.Error())
			}
			code = errorcode.OrderLottery
			return code, data
		}
	}
	session := ordersmodel.GetInstance().GetDb().NewSession()
	defer func() {
		if err != nil {
			_ = session.Rollback()
			return
		}
		_ = session.Close()
	}()
	var product productsmodel.Products
	has, err := productsmodel.GetInstance().GetDb().Where("id = ? and status = 1", productId).Get(&product)
	if err != nil {
		return errorcode.SystemError, data
	}
	if !has {
		return errorcode.UserNotExist, data
	}
	stock, _ := strconv.Atoi(product.Stock)
	if stock <= 0 {
		return errorcode.ProductStockFAIL, data
	}
	var user usersmodel.Users
	has, err = usersmodel.GetInstance().GetDb().Where("id =?", userId).Get(&user)
	if err != nil {
		return errorcode.SystemError, data
	}
	order := ordersmodel.Orders{
		OrderNo:     utils.GenerateOrderNumber(),
		UserId:      userId,
		ProductId:   productId,
		ProductName: product.Name,
		CustNo:      user.CustNo,
		Price:       product.Price,
		VoucherId:   product.ThirdProductId,
		State:       common.STATUSABLED,
		CreateTime:  time.Now(),
	}
	if err = session.Begin(); err != nil {
		return errorcode.SystemError, data
	}
	if _, err := session.Insert(order); err != nil {
		utils.Log(nil, "CreateOrderService", err.Error())
		return errorcode.SystemError, data
	} else {
		_ = session.Commit()
	}
	data.OrderNo = order.OrderNo
	data.NotifyUrl = config.GetConf().YouChu.NotifyUrl
	return errorcode.Success, data
}

func OrderQueryService(userId int, OrderRequest *front.OrderListRequest) (code int, data []ordersmodel.OrdersProductsList, count int64) {
	repo := ordersmodel.GetInstance().GetDb()
	conn := builder.NewCond()
	if config.GetConf().Debug == false {
		conn = conn.And(builder.Eq{"a.user_id": userId})
	}
	if OrderRequest.State != 0 {
		conn = conn.And(builder.Eq{"a.state": OrderRequest.State})
	}
	count, err := repo.Where(conn).Alias("a").
		Join("INNER", "Products b", "a.product_id = b.id").Select("a.*,b.main_image").
		Desc("id").Limit(OrderRequest.PageSize, (OrderRequest.Page-1)*OrderRequest.PageSize).FindAndCount(&data)
	code = handErr(err)
	return
}

func OrderDetailService(order *ordersmodel.Orders) (has bool, err error) {
	repo := ordersmodel.GetInstance().GetDb()
	conn := builder.NewCond()
	if config.GetConf().Debug == false {
		conn.And(builder.Eq{"user_id": order.UserId})
	}
	if order.Id != 0 {
		conn = conn.And(builder.Eq{"id": order.Id})
	}
	if order.OrderNo != "" {
		conn = conn.And(builder.Eq{"order_no": order.OrderNo})
	}
	return repo.Where(conn).Get(order)
}

func OrdersUpdateService(req front.OrdersUpdateRequest) (err error) {
	repo := ordersmodel.GetInstance().GetDb()
	var order ordersmodel.Orders
	if req.Id != 0 {
		order.Id = req.Id
	}
	if req.Status != 0 {
		order.State = req.Status
	}
	if req.VoucherLink != "" {
		order.VoucherLink = req.VoucherLink
	}
	if req.OrgTxnSeq != "" {
		order.OrgTxnSeq = req.OrgTxnSeq
	}
	_, err = repo.Where("Id = ?", req.Id).Update(&order)
	return
}

func OrderRefundService(userId int, orderId int) (code int) {
	{ // redis保证用户当前抽奖结束才能开始下次抽奖
		key := utils.GetRealKey("lottery_code:" + strconv.Itoa(userId) + strconv.Itoa(orderId))
		ok, err := redis_util.AcquireLock(key, time.Second*10)
		if ok {
			defer redis_util.Del(key)
		} else {
			if err != nil {
				utils.Log(nil, "CreateOrderService", err.Error())
			}
			return errorcode.SystemError
		}
	}
	order := ordersmodel.Orders{}
	order.Id = orderId
	has, err := OrderDetailService(&order)
	if err != nil || !has {
		return errorcode.NotFound
	}
	if order.State >= common.ORDER_STATUS_PAY {
		return errorcode.OrderNOTAuthREFUND
	}
	code, response := YouChuOrderRefund(order)
	if code != errorcode.Success {
		return code
	} else {
		if response.RefundOrderSta != "03" {
			return errorcode.OrderRefundFail
		} else {
			order.State = common.ORDER_STATUS_ReFUNDING
			order.RefundOrderNo = response.RefundOrderNo
			order.RefundOrderSta = response.RefundOrderSta
			order.RefundTime = time.Now()
			_, err := ordersmodel.GetInstance().GetDb().Update(order)
			if err != nil {
				return errorcode.OrderRefundUpdateFail
			}
			return errorcode.Success
		}
	}
}

func OrderNotify(request front.YouChuRequest) (NotifyResponse front.YouChuOrderNotifyResponse) {
	requestStr, _ := json.Marshal(request)
	utils.Log(nil, "订单回调请求--原始数据：", string(requestStr))
	response := youchu.DecryptResponse(string(requestStr), true)
	utils.Log(nil, "订单回调请求--解密数据：", response)
	var YouChuOrderNotifyRequest front.YouChuOrderNotifyRequest
	err := json.Unmarshal([]byte(response), &YouChuOrderNotifyRequest)
	if err != nil {
		return front.YouChuOrderNotifyResponse{RespCode: "000001", RespMsg: "解析失败"}
	}
	// 03-支付成功 04-支付失败 05-检查失败
	if YouChuOrderNotifyRequest.OrderSta != "03" {
		return front.YouChuOrderNotifyResponse{RespCode: "000002", RespMsg: "交易失败"}
	} else {
		//支付成功
		utils.Log(nil, "OrderNotify-success", YouChuOrderNotifyRequest)
		var orderDetail ordersmodel.Orders
		var order ordersmodel.Orders
		has, err := ordersmodel.GetInstance().GetDb().Where("voucher_link = ?", "").Where("order_no = ?", YouChuOrderNotifyRequest.ReqTraceId).Get(&orderDetail)
		if err != nil || !has {
			return front.YouChuOrderNotifyResponse{RespCode: "000003", RespMsg: "订单不存在"}
		}
		var productDetail productsmodel.Products
		has, err = productsmodel.GetInstance().GetDb().Where("id = ?", orderDetail.ProductId).Get(&productDetail)
		if err != nil || !has {
			return front.YouChuOrderNotifyResponse{RespCode: "000003", RespMsg: "商品不存在"}
		}
		session := ordersmodel.GetInstance().GetDb().NewSession()
		defer func() {
			if err != nil {
				_ = session.Rollback()
				return
			}
			_ = session.Close()
		}()
		//01-消费 03-退货
		if YouChuOrderNotifyRequest.TxnFlag == "01" {
			_, err = session.Where("id = ?", orderDetail.ProductId).Where("stock >= ?", common.ORDER_STATUS_DEFAULT).Update(&productDetail)
			if err = session.Begin(); err != nil {
				return front.YouChuOrderNotifyResponse{RespCode: "000004", RespMsg: "库存不足"}
			}
			client := market.NewMarketClient(config.GetConf().OpenApiMarketConfig)
			send, err := client.MarketSend(orderDetail.OrderNo, strconv.Itoa(orderDetail.VoucherId), "", "2")
			utils.Log(nil, "OrderNotify-MarketSend", send, err)
			if err != nil {
				return front.YouChuOrderNotifyResponse{RespCode: "000004", RespMsg: "充值失败"}
			}
			order.OrgTxnSeq = YouChuOrderNotifyRequest.OrderNo
			if send.ErrCode != "00" {
				order.State = common.ORDER_STATUS_FAIL
			} else {
				order.State = common.ORDER_STATUS_FINISH
				order.VoucherLink = send.Data.ShortUrl
				Stock, _ := strconv.Atoi(productDetail.Stock)
				productDetail.Stock = strconv.Itoa(Stock - 1)
			}

		} else {
			//order.RefundOrderNo = YouChuOrderNotifyRequest.OrgTxnSeq
			//order.RefundOrderSta = YouChuOrderNotifyRequest.OrderSta
			return front.YouChuOrderNotifyResponse{RespCode: "000005", RespMsg: "订单标识错误"}
		}
		_, err = session.Cols("stock,state").Where("order_no = ?", YouChuOrderNotifyRequest.ReqTraceId).Update(&order)
		if err != nil {
			utils.Log(nil, "OrderNotify-MarketSend", err.Error())
			_ = session.Rollback()
			return front.YouChuOrderNotifyResponse{RespCode: "000004", RespMsg: "操作失败"}
		} else {
			_ = session.Commit()
			NotifyResponse.RespCode = "000000"
			NotifyResponse.RespMsg = "交易成功"
		}
	}
	return
}