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重构优惠券表结构与功能

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This commit is contained in:
luorijun
2026-04-09 14:58:20 +08:00
parent 3040b10eed
commit 7d7b979b66
16 changed files with 1012 additions and 199 deletions
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36
web/services/resource.go
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@@ -46,8 +46,8 @@ func (s *resourceService) CreateResourceByBalance(user *m.User, data *CreateReso
}
// 核销优惠券
if detail.CouponId != nil {
err = Coupon.UseCoupon(q, *detail.CouponId)
if detail.CouponUserId != nil {
err = Coupon.UseCoupon(q, *detail.CouponUserId)
if err != nil {
return core.NewServErr("核销优惠券失败", err)
}
@@ -144,7 +144,7 @@ type UpdateResourceData struct {
Active *bool `json:"active"`
}
func (s *resourceService) CalcPrice(skuCode string, count int32, user *m.User, couponCode *string) (*m.ProductSku, *m.ProductDiscount, *m.Coupon, decimal.Decimal, decimal.Decimal, error) {
func (s *resourceService) CalcPrice(skuCode string, count int32, user *m.User, cuid *int32) (*m.ProductSku, *m.ProductDiscount, *m.CouponUser, decimal.Decimal, decimal.Decimal, error) {
sku, err := q.ProductSku.
Joins(q.ProductSku.Discount).
@@ -180,20 +180,15 @@ func (s *resourceService) CalcPrice(skuCode string, count int32, user *m.User, c
discounted := amount.Mul(discountRate)
// 优惠价
uid := (*int32)(nil)
if user != nil {
uid = &user.ID
}
coupon := (*m.Coupon)(nil)
coupon := (*m.CouponUser)(nil)
couponApplied := discounted.Copy()
if couponCode != nil {
if user != nil && cuid != nil {
var err error
coupon, err = Coupon.GetCouponAvailableByCode(*couponCode, discounted, uid)
coupon, err = Coupon.GetUserCoupon(user.ID, *cuid, discounted)
if err != nil {
return nil, nil, nil, decimal.Zero, decimal.Zero, err
}
couponApplied = discounted.Sub(coupon.Amount)
couponApplied = discounted.Sub(coupon.Coupon.Amount)
}
// 约束到最低价格
@@ -208,10 +203,10 @@ func (s *resourceService) CalcPrice(skuCode string, count int32, user *m.User, c
}
type CreateResourceData struct {
Type m.ResourceType `json:"type" validate:"required"`
Short *CreateShortResourceData `json:"short,omitempty"`
Long *CreateLongResourceData `json:"long,omitempty"`
CouponCode *string `json:"coupon,omitempty"`
Type m.ResourceType `json:"type" validate:"required"`
Short *CreateShortResourceData `json:"short,omitempty"`
Long *CreateLongResourceData `json:"long,omitempty"`
CouponId *int32 `json:"coupon,omitempty"`
}
type CreateShortResourceData struct {
@@ -265,7 +260,7 @@ func (data *CreateResourceData) Code() string {
}
func (data *CreateResourceData) TradeDetail(user *m.User) (*TradeDetail, error) {
sku, discount, coupon, amount, actual, err := Resource.CalcPrice(data.Code(), data.Count(), user, data.CouponCode)
sku, discount, coupon, amount, actual, err := Resource.CalcPrice(data.Code(), data.Count(), user, data.CouponId)
if err != nil {
return nil, err
}
@@ -274,17 +269,16 @@ func (data *CreateResourceData) TradeDetail(user *m.User) (*TradeDetail, error)
if discount != nil {
discountId = &discount.ID
}
var couponId *int32 = nil
var couponUserId *int32 = nil
if coupon != nil {
couponId = &coupon.ID
couponUserId = &coupon.ID
}
return &TradeDetail{
data,
m.TradeTypePurchase,
sku.Name,
amount, actual,
discountId, discount,
couponId, coupon,
discountId, couponUserId,
}, nil
}