修改了立减金额

api/controller/SystemMember.go

@@ -6,7 +6,6 @@ import (
 	"hepa-calc-api/api/dto"
 	"hepa-calc-api/api/responses"
 	"hepa-calc-api/api/service"
-	"math"
 )
 
 type SystemMember struct{}
@@ -29,7 +28,7 @@ func (b *SystemMember) GetSystemMember(c *gin.Context) {
 	isBuy := userService.CheckUserBuyMember(userId)
 	if isBuy == true {
 		for _, member := range systemMembers {
-			member.FirstTimePrice = nil
+			member.ReductionAmount = nil
 		}
 	}
 
@@ -64,20 +63,17 @@ func (b *SystemMember) GetSystemMemberLeast(c *gin.Context) {
 	}
 
 	for _, member := range systemMembers {
-		if member.FirstTimePrice == nil {
+		if member.ReductionAmount == nil {
 			continue
 		}
 
-		amount := member.Price - *member.FirstTimePrice
-		amount = math.Round(amount*100) / 100
-
 		if reductionAmount == nil {
-			reductionAmount = &amount
+			reductionAmount = member.ReductionAmount
 			continue
 		}
 
-		if amount < *reductionAmount {
-			reductionAmount = &amount
+		if *member.ReductionAmount < *reductionAmount {
+			reductionAmount = member.ReductionAmount
 		}
 	}
 

api/dto/SystemMember.go

@@ -3,7 +3,6 @@ package dto
 import (
 	"fmt"
 	"hepa-calc-api/api/model"
-	"math"
 )
 
 // SystemMemberDto 配置-会员配置
@@ -13,7 +12,6 @@ type SystemMemberDto struct {
 	Price           float64          `json:"price"`             // 价格（原价）
 	DiscountPrice   *float64         `json:"discount_price"`    // 优惠价格
 	DiscountEndTime *model.LocalTime `json:"discount_end_time"` // 优惠截止时间
-	FirstTimePrice  *float64         `json:"first_time_price"`  // 首次购买价格
 	ReductionAmount *float64         `json:"reduction_amount"`  // 立减金额
 	CreatedAt       model.LocalTime  `json:"created_at"`        // 创建时间
 	UpdatedAt       model.LocalTime  `json:"updated_at"`        // 更新时间
@@ -32,7 +30,6 @@ func GetSystemMemberListDto(m []*model.SystemMember) []*SystemMemberDto {
 				Price:           v.Price,
 				DiscountPrice:   v.DiscountPrice,
 				DiscountEndTime: v.DiscountEndTime,
-				FirstTimePrice:  v.FirstTimePrice,
 				CreatedAt:       v.CreatedAt,
 				UpdatedAt:       v.UpdatedAt,
 			}
@@ -56,7 +53,6 @@ func GetSystemMemberDto(m *model.SystemMember) *SystemMemberDto {
 		Price:           m.Price,
 		DiscountPrice:   m.DiscountPrice,
 		DiscountEndTime: m.DiscountEndTime,
-		FirstTimePrice:  m.FirstTimePrice,
 		CreatedAt:       m.CreatedAt,
 		UpdatedAt:       m.UpdatedAt,
 	}
@@ -64,12 +60,7 @@ func GetSystemMemberDto(m *model.SystemMember) *SystemMemberDto {
 
 // LoadReductionAmount 加载数据-立减金额
 func (r *SystemMemberDto) LoadReductionAmount(m *model.SystemMember) *SystemMemberDto {
-	if m.FirstTimePrice != nil {
-		reductionAmount := m.Price - *m.FirstTimePrice
-		reductionAmount = math.Round(reductionAmount*100) / 100
-
-		r.ReductionAmount = &reductionAmount
-	}
+	r.ReductionAmount = m.ReductionAmount
 
 	return r
 }

api/model/SystemMember.go

@@ -13,7 +13,7 @@ type SystemMember struct {
 	Price           float64    `gorm:"column:price;type:decimal(10,2);default:0.00;comment:价格（原价）" json:"price"`
 	DiscountPrice   *float64   `gorm:"column:discount_price;type:decimal(10,2);comment:优惠价格" json:"discount_price"`
 	DiscountEndTime *LocalTime `gorm:"column:discount_end_time;type:datetime;comment:优惠截止时间" json:"discount_end_time"`
-	FirstTimePrice  *float64   `gorm:"column:first_time_price;type:decimal(10,2);comment:首次购买价格" json:"first_time_price"`
+	ReductionAmount *float64   `gorm:"column:reduction_amount;type:decimal(10,2);comment:首单立减金额" json:"reduction_amount"`
 	Model
 }
 

api/service/SystemMember.go

@@ -21,29 +21,23 @@ func (r *SystemMemberService) GetSystemMemberBuyPrice(m *model.SystemMember) (p
 
 // GetUserBuyPrice 获取会员最终价格
 func (r *SystemMemberService) GetUserBuyPrice(userId int64, m *model.SystemMember) (p float64) {
-	// 检测用户是否购买过单项产品
-	var firstTimePrice *float64
-	userService := &UserService{}
-	isBuy := userService.CheckUserBuyMember(userId)
-	if isBuy == false {
-		// 未购买过
-		if m.FirstTimePrice != nil {
-			// 首次购买价格
-			firstTimePrice = m.FirstTimePrice
-		}
+
+	// 优惠价格
+	price := r.HandleSystemMemberDiscountPrice(m.DiscountPrice, m.DiscountEndTime)
+	if price == nil {
+		// 正常价格
+		p = m.Price
+	} else {
+		p = *price
 	}
 
-	if firstTimePrice != nil {
-		// 首次购买价格
-		p = *firstTimePrice
-	} else {
-		// 优惠价格
-		price := r.HandleSystemMemberDiscountPrice(m.DiscountPrice, m.DiscountEndTime)
-		if price == nil {
-			// 正常价格
-			p = m.Price
-		} else {
-			p = *price
+	if m.ReductionAmount != nil {
+		// 检测用户是否购买过单项产品
+		userService := &UserService{}
+		isBuy := userService.CheckUserBuyMember(userId)
+		if isBuy == false {
+			// 未购买过
+			p = p - *m.ReductionAmount
 		}
 	}
 

api/service/UserCoupon.go

@@ -219,8 +219,8 @@ func (r *UserCouponService) GetUserUsableMemberCoupon(userId, systemMemberId int
 			return nil, errors.New("操作失败")
 		}
 
-		if systemMember.FirstTimePrice != nil {
-			// 存在首单优惠价格，不允许使用优惠卷
+		if systemMember.ReductionAmount != nil {
+			// 存在首单立减价格，不允许使用优惠卷
 			return nil, nil
 		}
 	}