start rmser

internal/domain/recipes/entity.go

@@ -0,0 +1,36 @@
+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
+}