voucher/internal/biz/cmb.go

107 lines
3.1 KiB
Go

package biz
import (
"context"
"errors"
"fmt"
"github.com/wechatpay-apiv3/wechatpay-go/services/merchantexclusivecoupon"
"gorm.io/gorm"
"time"
v1 "voucher/api/v1"
"voucher/internal/biz/bo"
"voucher/internal/biz/vo"
"voucher/internal/pkg/lock"
)
func (v *VoucherBiz) CmbOrder(ctx context.Context, req *bo.OrderCreateReqBo) (orderNo string, err error) {
err = lock.NewMutex(v.rdb.Rdb, time.Second*30).Lock(ctx, fmt.Sprintf("cmb_order_%s", req.OutBizNo), func(ctx context.Context) error {
order, err := v.OrderRepo.GetByOutBizNo(ctx, req.OutBizNo)
if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
return err
}
if order != nil {
orderNo = order.OrderNo
return nil
}
product, err := v.ProductRepo.GetByPNO(ctx, req.ProductNo)
if err != nil {
return err
}
if !product.Channel.IsWeChat() {
return fmt.Errorf("只支持微信")
}
if orderNo, err = v.Cmb.Order(ctx, req, product); err != nil {
return err
}
return v.PushOrderMQ(ctx, orderNo)
})
return
}
func (v *VoucherBiz) CmbProductQuery(ctx context.Context, productNo string) (reps *v1.CmbQueryProductReply, err error) {
err = lock.NewMutex(v.rdb.Rdb, time.Second*30).Lock(ctx, fmt.Sprintf("cmb_product_query_%s", productNo), func(ctx context.Context) error {
product, err := v.ProductRepo.GetByPNO(ctx, productNo)
if err != nil {
return err
}
if !product.Channel.IsWeChat() {
return fmt.Errorf("只支持微信")
}
wechatResp, err := v.WechatCpnRepo.QueryProduct(ctx, product.BatchNo)
if err != nil {
return err
}
reps = &v1.CmbQueryProductReply{
ActivityName: product.Name,
ActivityId: product.ProductNo,
StartTime: wechatResp.CouponUseRule.CouponAvailableTime.AvailableBeginTime.Format(time.DateTime),
EndTime: wechatResp.CouponUseRule.CouponAvailableTime.AvailableEndTime.Format(time.DateTime),
Detail: *wechatResp.DisplayPatternInfo.Description,
Amount: "",
MinAmount: "",
AvailableType: "",
AvailableDays: "",
AvailableStock: "",
}
availableStock := *wechatResp.StockSendRule.MaxCoupons - *wechatResp.SendCountInformation.TotalSendNum
reps.AvailableStock = fmt.Sprintf("%d", availableStock)
if wechatResp.CouponUseRule.CouponAvailableTime.AvailableDayAfterReceive != nil {
reps.AvailableType = vo.CmbAvailableTypeDynamic.GetValue()
reps.AvailableDays = fmt.Sprintf("%d", *wechatResp.CouponUseRule.CouponAvailableTime.AvailableDayAfterReceive)
} else {
reps.AvailableType = vo.CmbAvailableTypeFixed.GetValue()
}
if *wechatResp.StockType == merchantexclusivecoupon.BUSIFAVORSTOCKTYPE_NORMAL {
reps.Amount = fmt.Sprintf("%d", *wechatResp.CouponUseRule.FixedNormalCoupon.DiscountAmount)
reps.MinAmount = fmt.Sprintf("%d", *wechatResp.CouponUseRule.FixedNormalCoupon.TransactionMinimum)
} else if *wechatResp.StockType == merchantexclusivecoupon.BUSIFAVORSTOCKTYPE_DISCOUNT {
reps.Amount = fmt.Sprintf("%d", *wechatResp.CouponUseRule.DiscountCoupon.DiscountPercent)
reps.MinAmount = fmt.Sprintf("%d", *wechatResp.CouponUseRule.FixedNormalCoupon.TransactionMinimum)
}
return nil
})
return
}