gen

type Article struct {
	Title    string   `json:"title,omitempty" yaml:"title"`
	Author   string   `json:"author,omitempty" yaml:"author"`
	Summary  string   `json:"summary,omitempty" yaml:"summary"`
	Contents []string `json:"contents,omitempty" yaml:"contents"`
}

type Order struct {
	ID        string      `json:"id,omitempty" yaml:"id"`
	User      string      `json:"user,omitempty" yaml:"user"`
	Items     []OrderItem `json:"items,omitempty" yaml:"items"`
	Total     float64     `json:"total,omitempty" yaml:"total"`
	Currency  string      `json:"currency,omitempty" yaml:"currency"`
	Status    string      `json:"status,omitempty" yaml:"status"` // created/paid/shipped/finished/refunded
	CreatedAt time.Time   `json:"created_at" yaml:"created_at"`
}

type OrderItem struct {
	ProductID string  `json:"product_id,omitempty"  yaml:"product_id"`
	Name      string  `json:"name,omitempty" yaml:"name"`
	UnitPrice float64 `json:"unit_price,omitempty" yaml:"unit_price"`
	Qty       int     `json:"qty,omitempty" yaml:"qty"`
}

type Person struct {
	Name     string `json:"name,omitempty" yaml:"name"`
	Email    string `json:"email,omitempty" yaml:"email"`
	Phone    string `json:"phone,omitempty" yaml:"phone"`
	Gender   string `json:"gender,omitempty" yaml:"gender"`
	Birthday string `json:"birthday,omitempty" yaml:"birthday"`
	Address  string `json:"address,omitempty" yaml:"address"`
}

type Product struct {
	ID          string    `json:"id,omitempty" yaml:"id"`
	Name        string    `json:"name,omitempty" yaml:"name"`
	Category    string    `json:"category,omitempty" yaml:"category"`
	Description string    `json:"description,omitempty" yaml:"description"`
	Price       float64   `json:"price,omitempty" yaml:"price"`
	Currency    string    `json:"currency,omitempty" yaml:"currency"`
	Stock       int       `json:"stock,omitempty" yaml:"stock"`
	CreatedAt   time.Time `json:"created_at" yaml:"created_at"`
}