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sjk
237
server/internal/model/product.go
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237
server/internal/model/product.go
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package model
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import (
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"database/sql/driver"
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"encoding/json"
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"time"
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"gorm.io/gorm"
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)
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// JSONSlice 自定义JSON切片类型
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type JSONSlice []string
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func (j JSONSlice) Value() (driver.Value, error) {
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return json.Marshal(j)
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}
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func (j *JSONSlice) Scan(value interface{}) error {
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if value == nil {
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*j = nil
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return nil
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}
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bytes, ok := value.([]byte)
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if !ok {
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return nil
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}
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return json.Unmarshal(bytes, j)
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}
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// JSONMap 自定义JSON映射类型
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type JSONMap map[string]interface{}
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func (j JSONMap) Value() (driver.Value, error) {
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if j == nil {
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return nil, nil
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}
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return json.Marshal(j)
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}
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func (j *JSONMap) Scan(value interface{}) error {
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if value == nil {
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*j = make(map[string]interface{})
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return nil
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}
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switch v := value.(type) {
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case []byte:
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if len(v) == 0 {
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*j = make(map[string]interface{})
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return nil
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}
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return json.Unmarshal(v, j)
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case string:
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if v == "" {
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*j = make(map[string]interface{})
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return nil
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}
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return json.Unmarshal([]byte(v), j)
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default:
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*j = make(map[string]interface{})
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return nil
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}
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}
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// Store 店铺
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type Store struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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Name string `json:"name" gorm:"size:100;not null"`
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Logo string `json:"logo" gorm:"size:255"`
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Description string `json:"description" gorm:"type:text"`
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Status int `json:"status" gorm:"default:1"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// Category 商品分类
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type Category struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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Name string `json:"name" gorm:"size:50;not null"`
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ParentID *uint `json:"parent_id"`
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Level int `json:"level" gorm:"default:1"`
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Icon string `json:"icon" gorm:"size:255"`
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Description string `json:"description" gorm:"size:255"`
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Sort int `json:"sort" gorm:"default:0"`
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Status int `json:"status" gorm:"default:1"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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Children []Category `json:"children,omitempty" gorm:"-"`
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HasChildren bool `json:"hasChildren" gorm:"-"`
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}
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// Product 商品
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type Product struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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CategoryID uint `json:"category_id" gorm:"not null"`
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StoreID uint `json:"store_id" gorm:"default:1"`
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Name string `json:"name" gorm:"size:100;not null"`
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Description string `json:"description" gorm:"type:text"`
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Price float64 `json:"price" gorm:"type:decimal(10,2);not null"`
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OrigPrice float64 `json:"orig_price" gorm:"type:decimal(10,2)"`
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Stock int `json:"stock" gorm:"default:0"`
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Sales int `json:"sales" gorm:"default:0"`
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CommentCount int `json:"comment_count" gorm:"default:0"`
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AverageRating float64 `json:"average_rating" gorm:"type:decimal(3,2);default:0.00"`
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MainImage string `json:"main_image" gorm:"size:255"`
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Images JSONSlice `json:"images" gorm:"type:json"`
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VideoURL string `json:"video_url" gorm:"size:255"`
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DetailImages JSONSlice `json:"detail_images" gorm:"type:json"`
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Status int `json:"status" gorm:"default:1"`
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IsHot bool `json:"is_hot" gorm:"default:false"`
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IsNew bool `json:"is_new" gorm:"default:false"`
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IsRecommend bool `json:"is_recommend" gorm:"default:false"`
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LimitBuy int `json:"limit_buy" gorm:"default:0"`
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Points int `json:"points" gorm:"default:0"`
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Level int `json:"level" gorm:"default:0"`
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Weight float64 `json:"weight" gorm:"type:decimal(8,2)"`
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Unit string `json:"unit" gorm:"size:20"`
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Sort int `json:"sort" gorm:"default:0"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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DeletedAt gorm.DeletedAt `json:"deleted_at,omitempty" gorm:"index"`
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// 关联数据
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Category Category `json:"category,omitempty" gorm:"foreignKey:CategoryID"`
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Store Store `json:"store,omitempty" gorm:"foreignKey:StoreID"`
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SKUs []ProductSKU `json:"skus,omitempty" gorm:"foreignKey:ProductID"`
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Tags []ProductTag `json:"tags,omitempty" gorm:"many2many:ai_product_tag_relations;"`
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Specs []ProductSpec `json:"specs,omitempty" gorm:"foreignKey:ProductID"`
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ProductImages []ProductImage `json:"product_images,omitempty" gorm:"foreignKey:ProductID"`
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}
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// ProductSKU 商品SKU
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type ProductSKU struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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ProductID uint `json:"product_id" gorm:"not null"`
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SKUCode string `json:"sku_code" gorm:"size:50;not null;uniqueIndex"`
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SpecValues JSONMap `json:"spec_values" gorm:"type:json;not null"`
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Price float64 `json:"price" gorm:"type:decimal(10,2);not null"`
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OriginalPrice float64 `json:"original_price" gorm:"type:decimal(10,2)"`
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Stock int `json:"stock" gorm:"default:0"`
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Image string `json:"image" gorm:"size:255"`
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Weight float64 `json:"weight" gorm:"type:decimal(8,2)"`
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Status int `json:"status" gorm:"default:1"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// ProductTag 商品标签
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type ProductTag struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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Name string `json:"name" gorm:"size:50;not null"`
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Color string `json:"color" gorm:"size:20;default:#FF5722"`
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Sort int `json:"sort" gorm:"default:0"`
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Status int `json:"status" gorm:"default:1"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// ProductSpec 商品规格
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type ProductSpec struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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ProductID uint `json:"product_id" gorm:"not null"`
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Name string `json:"name" gorm:"size:50;not null"`
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Value string `json:"value" gorm:"size:100;not null"`
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Price float64 `json:"price" gorm:"type:decimal(10,2)"`
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Stock int `json:"stock" gorm:"default:0"`
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SKU string `json:"sku" gorm:"size:50"`
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Sort int `json:"sort" gorm:"default:0"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// ProductImage 商品图片
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type ProductImage struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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ProductID uint `json:"product_id" gorm:"not null"`
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ImageURL string `json:"image_url" gorm:"size:255;not null"`
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Sort int `json:"sort" gorm:"default:0"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// ProductReview 商品评价
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type ProductReview struct {
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ID uint `json:"id" gorm:"primaryKey;autoIncrement"`
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ProductID uint `json:"product_id" gorm:"not null"`
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UserID uint `json:"user_id" gorm:"not null"`
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OrderID *uint `json:"order_id"`
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Rating int `json:"rating" gorm:"not null"`
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Content string `json:"content" gorm:"type:text"`
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Images JSONSlice `json:"images" gorm:"type:json"`
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Status int `json:"status" gorm:"default:1"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// TableName 指定表名
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func (Store) TableName() string {
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return "ai_stores"
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}
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// TableName 指定表名
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func (Category) TableName() string {
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return "ai_categories"
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}
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// TableName 指定表名
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func (Product) TableName() string {
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return "ai_products"
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}
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// TableName 指定表名
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func (ProductSKU) TableName() string {
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return "ai_product_skus"
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}
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// TableName 指定表名
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func (ProductTag) TableName() string {
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return "ai_product_tags"
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}
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// TableName 指定表名
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func (ProductSpec) TableName() string {
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return "ai_product_specs"
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}
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// TableName 指定表名
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func (ProductImage) TableName() string {
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return "ai_product_images"
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}
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// TableName 指定表名
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func (ProductReview) TableName() string {
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return "ai_product_reviews"
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}
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