实现产品查询和修改接口 & 修复套餐查询接口问题

web/services/product.go

@@ -1,6 +1,13 @@
 package services
 
-import q "platform/web/queries"
+import (
+	"platform/web/core"
+	m "platform/web/models"
+	q "platform/web/queries"
+	"time"
+
+	"gorm.io/gen/field"
+)
 
 var Product = &productService{}
 
@@ -10,3 +17,68 @@ type productService struct{}
 func (s *productService) GetPrice(code string) {
 	q.ProductSku.Where(q.ProductSku.Code.Eq(code)).Find()
 }
+
+// 获取所有产品
+func (s *productService) AllProducts() ([]*m.Product, error) {
+	return q.Product.Find()
+}
+
+// 新增产品
+func (s *productService) CreateProduct(create *CreateProductData) error {
+	return q.Product.Create(&m.Product{
+		Code:        create.Code,
+		Name:        create.Name,
+		Description: create.Description,
+		Sort:        create.Sort,
+		Status:      m.ProductStatus(create.Status),
+	})
+}
+
+type CreateProductData struct {
+	Code        string  `json:"code"`
+	Name        string  `json:"name"`
+	Description *string `json:"description"`
+	Sort        int32   `json:"sort"`
+	Status      int     `json:"status"`
+}
+
+// 更新产品
+func (s *productService) UpdateProduct(update *UpdateProductData) error {
+	if update == nil {
+		return core.NewBizErr("更新数据不存在")
+	}
+
+	do := make([]field.AssignExpr, 0, 5)
+	if update.Code != nil {
+		do = append(do, q.Product.Code.Value(*update.Code))
+	}
+	if update.Name != nil {
+		do = append(do, q.Product.Name.Value(*update.Name))
+	}
+	if update.Description != nil {
+		do = append(do, q.Product.Description.Value(*update.Description))
+	}
+	if update.Sort != nil {
+		do = append(do, q.Product.Sort.Value(*update.Sort))
+	}
+	if update.Status != nil {
+		do = append(do, q.Product.Status.Value(*update.Status))
+	}
+	_, err := q.Product.Where(q.Product.ID.Eq(update.Id)).UpdateSimple(do...)
+	return err
+}
+
+type UpdateProductData struct {
+	Id          int32   `json:"id"`
+	Code        *string `json:"code"`
+	Name        *string `json:"name"`
+	Description *string `json:"description"`
+	Sort        *int32  `json:"sort"`
+	Status      *int    `json:"status"`
+}
+
+// 删除产品
+func (s *productService) DeleteProduct(id int32) error {
+	_, err := q.Product.Where(q.Product.ID.Eq(id)).UpdateColumn(q.Product.DeletedAt, time.Now())
+	return err
+}

web/services/product_sku.go

@@ -0,0 +1,86 @@
+package services
+
+import (
+	"platform/web/core"
+	m "platform/web/models"
+	q "platform/web/queries"
+	"time"
+
+	"github.com/shopspring/decimal"
+	"gorm.io/gen"
+	"gorm.io/gen/field"
+)
+
+var ProductSku = &productSkuService{}
+
+type productSkuService struct{}
+
+func (s *productSkuService) Page(req *core.PageReq, productId *int32) (result []*m.ProductSku, count int64, err error) {
+	do := make([]gen.Condition, 0)
+	if productId != nil {
+		do = append(do, q.ProductSku.ProductID.Eq(*productId))
+	}
+	return q.ProductSku.
+		Where(do...).
+		FindByPage(req.GetOffset(), req.GetLimit())
+}
+
+func (s *productSkuService) Create(create CreateProductSkuData) (err error) {
+	price, err := decimal.NewFromString(create.Price)
+	if err != nil {
+		return core.NewBizErr("产品价格的格式不正确", err)
+	}
+
+	return q.ProductSku.Create(&m.ProductSku{
+		ProductID: create.ProductID,
+		Code:      create.Code,
+		Name:      create.Name,
+		Price:     price,
+		Discount:  create.Discount,
+	})
+}
+
+type CreateProductSkuData struct {
+	ProductID int32   `json:"product_id"`
+	Code      string  `json:"code"`
+	Name      string  `json:"name"`
+	Price     string  `json:"price"`
+	Discount  float32 `json:"discount"`
+}
+
+func (s *productSkuService) Update(update UpdateProductSkuData) (err error) {
+	do := make([]field.AssignExpr, 0)
+
+	if update.Price != nil {
+		price, err := decimal.NewFromString(*update.Price)
+		if err != nil {
+			return core.NewBizErr("产品价格的格式不正确", err)
+		}
+		do = append(do, q.ProductSku.Price.Value(price))
+	}
+	if update.Discount != nil {
+		do = append(do, q.ProductSku.Discount.Value(*update.Discount))
+	}
+	if update.Code != nil {
+		do = append(do, q.ProductSku.Code.Value(*update.Code))
+	}
+	if update.Name != nil {
+		do = append(do, q.ProductSku.Name.Value(*update.Name))
+	}
+
+	_, err = q.ProductSku.Where(q.ProductSku.ID.Eq(update.ID)).UpdateSimple(do...)
+	return err
+}
+
+type UpdateProductSkuData struct {
+	ID       int32    `json:"id"`
+	Code     *string  `json:"code"`
+	Name     *string  `json:"name"`
+	Price    *string  `json:"price"`
+	Discount *float32 `json:"discount"`
+}
+
+func (s *productSkuService) Delete(id int32) (err error) {
+	_, err = q.ProductSku.Where(q.ProductSku.ID.Eq(id)).UpdateColumn(q.ProductSku.DeletedAt, time.Now())
+	return
+}