package models import "time" type ProductSpec struct { Label string Value string } func (p Product) Specs() []ProductSpec { var specs []ProductSpec if p.AttrBrand != "" { specs = append(specs, ProductSpec{"Бренд", p.AttrBrand}) } if p.AttrSize != "" { specs = append(specs, ProductSpec{"Размер", p.AttrSize}) } if p.AttrColor != "" { specs = append(specs, ProductSpec{"Цвет", p.AttrColor}) } if p.AttrMaterial != "" { specs = append(specs, ProductSpec{"Материал", p.AttrMaterial}) } if p.AttrWeight != "" { specs = append(specs, ProductSpec{"Вес", p.AttrWeight}) } return specs } type PriceHistoryEntry struct { ID int ProductID int Price float64 SalePrice float64 RecordedAt time.Time } type Reservation struct { ID int ProductID int SessionKey string UserID *int CustomerName string CustomerPhone string ExpiresAt time.Time CreatedAt time.Time }