【Go实战 | 电商平台】(11) 更新商品

authed.PUT("product/:id", api.UpdateProduct)

type UpdateProductService struct {
  ID            uint   `form:"id" json:"id"`
  Name          string `form:"name" json:"name"`
  CategoryID    int    `form:"category_id" json:"category_id"`
  Title         string `form:"title" json:"title" binding:"required,min=2,max=100"`
  Info          string `form:"info" json:"info" binding:"max=1000"`
  ImgPath       string `form:"img_path" json:"img_path"`
  Price         string `form:"price" json:"price"`
  DiscountPrice string `form:"discount_price" json:"discount_price"`
  OnSale bool `form:"on_sale" json:"on_sale"`
  Num string `form:"num" json:"num"`
}

func (service *UpdateProductService) Update(id string) serializer.Response {
  ...
}

updateProductService := service.UpdateProductService{}

c.ShouldBind(&updateProductService)

res := updateProductService.Update(c.Param("id"))

c.JSON(200, res)

func UpdateProduct(c *gin.Context) {
  updateProductService := service.UpdateProductService{}
  if err := c.ShouldBind(&updateProductService); err == nil {
  res := updateProductService.Update(c.Param("id"))
  c.JSON(200, res)
  } else {
  c.JSON(200, ErrorResponse(err))
  logging.Info(err)
  }
}

var category model.Category
  model.DB.Model(&model.Category{}).First(&category,service.CategoryID)

var product model.Product
  model.DB.Model(&model.Product{}).First(&product,id)

product.Name=service.Name
  product.Category=category
  product.CategoryID=uint(service.CategoryID)
  product.Title=service.Title
  product.Info=service.Info
  product.ImgPath=service.ImgPath
  product.Price=service.Price
  product.DiscountPrice=service.DiscountPrice
  product.OnSale=service.OnSale

err := model.DB.Save(&product).Error

return serializer.Response{
  Status: code,
  Msg:    e.GetMsg(code),
  }