rmser/internal/domain/recipes/entity.go

package recipes

import (
	"time"

	"rmser/internal/domain/catalog"

	"github.com/google/uuid"
	"github.com/shopspring/decimal"
)

// Recipe - Технологическая карта
type Recipe struct {
	ID        uuid.UUID `gorm:"type:uuid;primary_key;"`
	ProductID uuid.UUID `gorm:"type:uuid;not null;index"`
	DateFrom  time.Time `gorm:"index"`
	DateTo    *time.Time

	Product catalog.Product `gorm:"foreignKey:ProductID"`
	Items   []RecipeItem    `gorm:"foreignKey:RecipeID;constraint:OnDelete:CASCADE"`
}

// RecipeItem - Ингредиент
type RecipeItem struct {
	ID        uuid.UUID       `gorm:"type:uuid;primary_key;default:gen_random_uuid()"`
	RecipeID  uuid.UUID       `gorm:"type:uuid;not null;index"`
	ProductID uuid.UUID       `gorm:"type:uuid;not null;index"`
	AmountIn  decimal.Decimal `gorm:"type:numeric(19,4);not null"`
	AmountOut decimal.Decimal `gorm:"type:numeric(19,4);not null"`

	Product catalog.Product `gorm:"foreignKey:ProductID"`
}

type Repository interface {
	SaveRecipes(recipes []Recipe) error
}