Initial commit: 商品售卖网站

backend/internal/models/address.go

@@ -0,0 +1,23 @@
+package models
+
+import (
+	"time"
+)
+
+type Address struct {
+	ID         uint      `gorm:"primaryKey" json:"id"`
+	UserID     uint      `gorm:"index;not null" json:"user_id"`
+	Name       string    `gorm:"size:50;not null" json:"name"`
+	Phone      string    `gorm:"size:20;not null" json:"phone"`
+	Province   string    `gorm:"size:50" json:"province"`
+	City       string    `gorm:"size:50" json:"city"`
+	District   string    `gorm:"size:50" json:"district"`
+	Address    string    `gorm:"type:text;not null" json:"address"`
+	IsDefault  bool      `gorm:"default:false" json:"is_default"`
+	CreatedAt  time.Time `json:"created_at"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}
+
+func (Address) TableName() string {
+	return "addresses"
+}

backend/internal/models/article.go

@@ -0,0 +1,27 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Article struct {
+	ID          uint           `gorm:"primaryKey" json:"id"`
+	Title       string         `gorm:"size:255;not null" json:"title"`
+	Content     string         `gorm:"type:text;not null" json:"content"`
+	Summary     string         `gorm:"size:500" json:"summary"`
+	CoverImage  string         `gorm:"size:500" json:"cover_image"`
+	IsPinned    bool           `gorm:"default:false" json:"is_pinned"`
+	IsPublished bool           `gorm:"default:true" json:"is_published"`
+	SortOrder   int            `gorm:"default:0" json:"sort_order"`
+	AuthorID    *uint          `json:"author_id"`
+	CreatedAt   time.Time      `json:"created_at"`
+	UpdatedAt   time.Time      `json:"updated_at"`
+	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
+	Author      *User          `gorm:"foreignKey:AuthorID" json:"author,omitempty"`
+}
+
+func (Article) TableName() string {
+	return "articles"
+}

backend/internal/models/brand.go

@@ -0,0 +1,22 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Brand struct {
+	ID          uint           `gorm:"primaryKey" json:"id"`
+	Name        string         `gorm:"size:255;not null;uniqueIndex" json:"name"`
+	Description string         `json:"description"`
+	Logo        string         `json:"logo"`
+	SortOrder   int            `gorm:"default:0" json:"sort_order"`
+	CreatedAt   time.Time      `json:"created_at"`
+	UpdatedAt   time.Time      `json:"updated_at"`
+	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+func (Brand) TableName() string {
+	return "brands"
+}

backend/internal/models/cart.go

@@ -0,0 +1,19 @@
+package models
+
+import (
+	"time"
+)
+
+type Cart struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	UserID    uint      `gorm:"index;not null" json:"user_id"`
+	ProductID uint      `gorm:"index;not null" json:"product_id"`
+	Quantity  int       `gorm:"not null" json:"quantity"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+	Product   Product   `json:"product,omitempty"`
+}
+
+func (Cart) TableName() string {
+	return "carts"
+}

backend/internal/models/category.go

@@ -0,0 +1,29 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Category struct {
+	ID           uint           `gorm:"primaryKey" json:"id"`
+	Name         string         `gorm:"size:100;not null" json:"name"`
+	Description  string         `json:"description"`
+	ParentID     *uint          `json:"parent_id"`
+	MinAmount    *float64       `json:"min_amount"`
+	MaxAmount    *float64       `json:"max_amount"`
+	MinQuantity  *int           `json:"min_quantity"`
+	MaxQuantity  *int           `json:"max_quantity"`
+	MinWeight    *float64       `json:"min_weight"`
+	MaxWeight    *float64       `json:"max_weight"`
+	SortOrder    int            `gorm:"default:0" json:"sort_order"`
+	CreatedAt    time.Time      `json:"created_at"`
+	UpdatedAt    time.Time      `json:"updated_at"`
+	DeletedAt    gorm.DeletedAt `gorm:"index" json:"-"`
+	Children     []Category     `gorm:"foreignKey:ParentID" json:"children,omitempty"`
+}
+
+func (Category) TableName() string {
+	return "categories"
+}

backend/internal/models/inventory.go

@@ -0,0 +1,17 @@
+package models
+
+import (
+	"time"
+)
+
+type Inventory struct {
+	ID         uint      `gorm:"primaryKey" json:"id"`
+	ProductID  uint      `gorm:"index;not null" json:"product_id"`
+	SupplierID uint      `gorm:"index;not null" json:"supplier_id"`
+	Quantity   int       `gorm:"default:0" json:"quantity"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}
+
+func (Inventory) TableName() string {
+	return "inventory"
+}

backend/internal/models/lottery.go

@@ -0,0 +1,80 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Lottery struct {
+	ID                   uint           `gorm:"primaryKey" json:"id"`
+	Name                 string         `gorm:"size:100;not null" json:"name"`
+	Description          string         `json:"description"`
+	StartTime            time.Time      `json:"start_time"`
+	EndTime              time.Time      `json:"end_time"`
+	Cycle                string         `gorm:"size:20" json:"cycle"`
+	DailyQuota           *int           `json:"daily_quota"`
+	TotalQuota           *int           `json:"total_quota"`
+	RegistrationValidity *int           `json:"registration_validity"`
+	IsActive             bool           `gorm:"default:true" json:"is_active"`
+	CreatedAt            time.Time      `json:"created_at"`
+	UpdatedAt            time.Time      `json:"updated_at"`
+	DeletedAt            gorm.DeletedAt `gorm:"index" json:"-"`
+	Prizes               []LotteryPrize `json:"prizes,omitempty"`
+}
+
+func (Lottery) TableName() string {
+	return "lotteries"
+}
+
+type LotteryPrize struct {
+	ID            uint   `gorm:"primaryKey" json:"id"`
+	LotteryID     uint   `gorm:"index;not null" json:"lottery_id"`
+	Name          string `gorm:"size:100;not null" json:"name"`
+	Type          string `gorm:"size:20;not null" json:"type"`
+	Quantity      int    `gorm:"not null" json:"quantity"`
+	Weight        int    `gorm:"default:1" json:"weight"`
+	CreditReward  *int   `json:"credit_reward"`
+	DrawMode      string `gorm:"size:20;default:'random'" json:"draw_mode"`
+}
+
+func (LotteryPrize) TableName() string {
+	return "lottery_prizes"
+}
+
+type LotteryParticipant struct {
+	ID             uint      `gorm:"primaryKey" json:"id"`
+	LotteryID      uint      `gorm:"index;not null" json:"lottery_id"`
+	UserID         uint      `gorm:"index;not null" json:"user_id"`
+	PurchaseWeight int       `gorm:"default:0" json:"purchase_weight"`
+	RegisteredAt   time.Time `json:"registered_at"`
+}
+
+func (LotteryParticipant) TableName() string {
+	return "lottery_participants"
+}
+
+type LotteryWinner struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	LotteryID uint      `gorm:"index;not null" json:"lottery_id"`
+	PrizeID   uint      `gorm:"index;not null" json:"prize_id"`
+	UserID    uint      `gorm:"index;not null" json:"user_id"`
+	DrawnAt   time.Time `json:"drawn_at"`
+}
+
+func (LotteryWinner) TableName() string {
+	return "lottery_winners"
+}
+
+const (
+	PrizeTypePhysical = "physical"
+	PrizeTypeVirtual  = "virtual"
+	PrizeTypeCredit   = "credit"
+
+	DrawModeRandom  = "random"
+	DrawModeWeight  = "weight"
+
+	CycleDaily   = "daily"
+	CycleWeekly  = "weekly"
+	CycleMonthly = "monthly"
+)

backend/internal/models/order.go

@@ -0,0 +1,70 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Order struct {
+	ID               uint           `gorm:"primaryKey" json:"id"`
+	UserID           uint           `gorm:"index;not null" json:"user_id"`
+	SupplierID       *uint          `gorm:"index" json:"supplier_id"`
+	Subtotal         float64        `gorm:"type:decimal(10,2);not null" json:"subtotal"`
+	ShippingFee      float64        `gorm:"type:decimal(10,2);default:0" json:"shipping_fee"`
+	ServiceFee       float64        `gorm:"type:decimal(10,2);default:0" json:"service_fee"`
+	Tax              float64        `gorm:"type:decimal(10,2);default:0" json:"tax"`
+	TotalAmount      float64        `gorm:"type:decimal(10,2);not null" json:"total_amount"`
+	RefundAmount     *float64       `gorm:"type:decimal(10,2)" json:"refund_amount"`
+	RefundStatus     string         `gorm:"size:20" json:"refund_status"`
+	RefundReason     string         `json:"refund_reason"`
+	Status           string         `gorm:"size:20;not null;default:'pending_payment'" json:"status"`
+	ShippingAddressID *uint         `json:"shipping_address_id"`
+	TrackingNumber   string         `gorm:"size:100" json:"tracking_number"`
+	ShippingPhoto    string         `gorm:"type:text" json:"shipping_photo"`
+	ExpressPhoto     string         `gorm:"type:text" json:"express_photo"`
+	CustomsPhoto     string         `gorm:"type:text" json:"customs_photo"`
+	PaymentMethod    string         `gorm:"size:50" json:"payment_method"`
+	CreatedAt        time.Time      `json:"created_at"`
+	UpdatedAt        time.Time      `json:"updated_at"`
+	DeletedAt        gorm.DeletedAt `gorm:"index" json:"-"`
+	OrderItems       []OrderItem    `json:"order_items,omitempty"`
+	ShippingAddress  *Address       `json:"shipping_address,omitempty"`
+	User             User           `json:"user,omitempty"`
+}
+
+func (Order) TableName() string {
+	return "orders"
+}
+
+type OrderItem struct {
+	ID        uint    `gorm:"primaryKey" json:"id"`
+	OrderID   uint    `gorm:"index;not null" json:"order_id"`
+	ProductID uint    `gorm:"index;not null" json:"product_id"`
+	Quantity  int     `gorm:"not null" json:"quantity"`
+	Price     float64 `gorm:"type:decimal(10,2);not null" json:"price"`
+	Product   Product `json:"product,omitempty"`
+}
+
+func (OrderItem) TableName() string {
+	return "order_items"
+}
+
+const (
+	OrderStatusPendingPayment = "pending_payment"
+	OrderStatusPendingConfirm = "pending_confirm"
+	OrderStatusPendingShip    = "pending_ship"
+	OrderStatusShipped        = "shipped"
+	OrderStatusCompleted      = "completed"
+	OrderStatusRefunding      = "refunding"
+	OrderStatusRefunded       = "refunded"
+	OrderStatusCancelled      = "cancelled"
+)
+
+const (
+	RefundStatusNone       = ""
+	RefundStatusPending    = "pending"
+	RefundStatusApproved   = "approved"
+	RefundStatusRejected   = "rejected"
+	RefundStatusCompleted  = "completed"
+)

backend/internal/models/product.go

@@ -0,0 +1,48 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Product struct {
+	ID            uint           `gorm:"primaryKey" json:"id"`
+	Name          string         `gorm:"size:255;not null" json:"name"`
+	Description   string         `json:"description"`
+	Price         float64        `gorm:"type:decimal(10,2);not null" json:"price"`
+	MinPurchase   int            `gorm:"default:1" json:"min_purchase"`
+	MaxPurchase   *int           `json:"max_purchase"`
+	MinWeight     *float64       `json:"min_weight"`
+	MaxWeight     *float64       `json:"max_weight"`
+	MinAmount     *float64       `json:"min_amount"`
+	MaxAmount     *float64       `json:"max_amount"`
+	RequireCredit bool           `gorm:"default:false" json:"require_credit"`
+	CreditCost    int            `gorm:"default:0" json:"credit_cost"`
+	CreditReward  int            `gorm:"default:0" json:"credit_reward"`
+	Images        string         `gorm:"type:text" json:"images"`
+	IsActive      bool           `gorm:"default:true" json:"is_active"`
+	BrandID       *uint          `json:"brand_id"`
+	Brand         *Brand         `json:"brand,omitempty"`
+	CreatedAt     time.Time      `json:"created_at"`
+	UpdatedAt     time.Time      `json:"updated_at"`
+	DeletedAt     gorm.DeletedAt `gorm:"index" json:"-"`
+	Categories    []Category     `gorm:"many2many:product_categories;" json:"categories,omitempty"`
+	CustomFields  []ProductCustomField `json:"custom_fields,omitempty"`
+}
+
+func (Product) TableName() string {
+	return "products"
+}
+
+type ProductCustomField struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	ProductID uint      `gorm:"index;not null" json:"product_id"`
+	FieldName string    `gorm:"size:100;not null" json:"field_name"`
+	FieldValue string   `json:"field_value"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+func (ProductCustomField) TableName() string {
+	return "product_custom_fields"
+}

backend/internal/models/system.go

@@ -0,0 +1,32 @@
+package models
+
+import (
+	"time"
+)
+
+type SystemSetting struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	Key       string    `gorm:"uniqueIndex;size:100;not null" json:"key"`
+	Value     string    `gorm:"type:text" json:"value"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+func (SystemSetting) TableName() string {
+	return "system_settings"
+}
+
+type SupplierAuthorization struct {
+	ID         uint   `gorm:"primaryKey" json:"id"`
+	SupplierID uint   `gorm:"index;not null" json:"supplier_id"`
+	Type       string `gorm:"size:20;not null" json:"type"`
+	RefID      uint   `gorm:"not null" json:"ref_id"`
+}
+
+func (SupplierAuthorization) TableName() string {
+	return "supplier_authorizations"
+}
+
+const (
+	AuthTypeCategory = "category"
+	AuthTypeProduct  = "product"
+)

backend/internal/models/ticket.go

@@ -0,0 +1,39 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Ticket struct {
+	ID         uint           `gorm:"primaryKey" json:"id"`
+	UserID     uint           `gorm:"index;not null" json:"user_id"`
+	Title      string         `gorm:"size:200;not null" json:"title"`
+	Content    string         `gorm:"type:text;not null" json:"content"`
+	Category   string         `gorm:"size:50" json:"category"`
+	Status     string         `gorm:"size:20;not null;default:'pending'" json:"status"`
+	AssignedTo *uint          `json:"assigned_to"`
+	Reply      string         `gorm:"type:text" json:"reply"`
+	CreatedAt  time.Time      `json:"created_at"`
+	UpdatedAt  time.Time      `json:"updated_at"`
+	DeletedAt  gorm.DeletedAt `gorm:"index" json:"-"`
+	User       User           `gorm:"foreignKey:UserID" json:"user,omitempty"`
+	Assignee   *User          `gorm:"foreignKey:AssignedTo" json:"assignee,omitempty"`
+}
+
+func (Ticket) TableName() string {
+	return "tickets"
+}
+
+const (
+	TicketStatusPending    = "pending"
+	TicketStatusProcessing = "processing"
+	TicketStatusResolved   = "resolved"
+	TicketStatusClosed     = "closed"
+
+	TicketCategoryOrder    = "order"
+	TicketCategoryAccount  = "account"
+	TicketCategoryProduct  = "product"
+	TicketCategoryOther    = "other"
+)

backend/internal/models/user.go

@@ -0,0 +1,27 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type User struct {
+	ID              uint           `gorm:"primaryKey" json:"id"`
+	Username        string         `gorm:"uniqueIndex;size:50;not null" json:"username"`
+	Email           string         `gorm:"uniqueIndex;size:100;not null" json:"email"`
+	PasswordHash    string         `gorm:"size:255;not null" json:"-"`
+	Role            string         `gorm:"size:20;not null;default:'user'" json:"role"`
+	PurchaseCredits int            `gorm:"default:0" json:"purchase_credits"`
+	InviteCode      string         `gorm:"uniqueIndex;size:20" json:"invite_code"`
+	ReferredBy      *uint          `json:"referred_by"`
+	EmailVerified   bool           `gorm:"default:false" json:"email_verified"`
+	IsActive        bool           `gorm:"default:true" json:"is_active"`
+	CreatedAt       time.Time      `json:"created_at"`
+	UpdatedAt       time.Time      `json:"updated_at"`
+	DeletedAt       gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+func (User) TableName() string {
+	return "users"
+}