multisvc

type CreateOrderRequest struct {
	UserID uint   `json:"user_id"`
	Item   string `json:"item"`
}

type CreateOrderResponse struct {
	Order *Order `json:"order,omitempty"`
	Error string `json:"error,omitempty"`
}

type CreateUserRequest struct {
	Username string `json:"username"`
	Email    string `json:"email"`
}

type CreateUserResponse struct {
	User  *User  `json:"user,omitempty"`
	Error string `json:"error,omitempty"`
}

type GetOrderRequest struct {
	OrderID uint `json:"order_id"`
}

type GetOrderResponse struct {
	Order *Order `json:"order,omitempty"`
	Error string `json:"error,omitempty"`
}

type GetUserRequest struct {
	ID uint `json:"id"`
}

type GetUserResponse struct {
	User  *User  `json:"user,omitempty"`
	Error string `json:"error,omitempty"`
}

type Order struct {
	ID     uint   `json:"id"      gorm:"primaryKey;autoIncrement"`
	UserID uint   `json:"user_id" gorm:"column:user_id;not null;index"`
	Item   string `json:"item"    gorm:"column:item;type:varchar(256);not null"`
}

type OrderService interface {
	// CreateOrder 创建订单
	CreateOrder(ctx context.Context, req CreateOrderRequest) (CreateOrderResponse, error)
	// GetOrder 获取订单
	GetOrder(ctx context.Context, req GetOrderRequest) (GetOrderResponse, error)
}

type User struct {
	ID       uint   `json:"id"       gorm:"primaryKey;autoIncrement"`
	Username string `json:"username" gorm:"column:username;type:varchar(64);not null;uniqueIndex"`
	Email    string `json:"email"    gorm:"column:email;type:varchar(128);not null;uniqueIndex"`
}

type UserService interface {
	// CreateUser 创建用户
	CreateUser(ctx context.Context, req CreateUserRequest) (CreateUserResponse, error)
	// GetUser 获取用户
	GetUser(ctx context.Context, req GetUserRequest) (GetUserResponse, error)
}