Add coa purchase and vendors

internal/entities/ingredient_unit_converter.go

@@ -0,0 +1,42 @@
+package entities
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type IngredientUnitConverter struct {
+	ID               uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
+	OrganizationID   uuid.UUID `gorm:"type:uuid;not null" json:"organization_id"`
+	IngredientID     uuid.UUID `gorm:"type:uuid;not null" json:"ingredient_id"`
+	FromUnitID       uuid.UUID `gorm:"type:uuid;not null" json:"from_unit_id"`
+	ToUnitID         uuid.UUID `gorm:"type:uuid;not null" json:"to_unit_id"`
+	ConversionFactor float64   `gorm:"type:decimal(15,6);not null" json:"conversion_factor"`
+	IsActive         bool      `gorm:"default:true" json:"is_active"`
+	CreatedAt        time.Time `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt        time.Time `gorm:"autoUpdateTime" json:"updated_at"`
+	CreatedBy        uuid.UUID `gorm:"type:uuid;not null" json:"created_by"`
+	UpdatedBy        uuid.UUID `gorm:"type:uuid;not null" json:"updated_by"`
+
+	// Relationships
+	Organization  *Organization `gorm:"foreignKey:OrganizationID" json:"organization,omitempty"`
+	Ingredient    *Ingredient   `gorm:"foreignKey:IngredientID" json:"ingredient,omitempty"`
+	FromUnit      *Unit         `gorm:"foreignKey:FromUnitID" json:"from_unit,omitempty"`
+	ToUnit        *Unit         `gorm:"foreignKey:ToUnitID" json:"to_unit,omitempty"`
+	CreatedByUser *User         `gorm:"foreignKey:CreatedBy" json:"created_by_user,omitempty"`
+	UpdatedByUser *User         `gorm:"foreignKey:UpdatedBy" json:"updated_by_user,omitempty"`
+}
+
+func (IngredientUnitConverter) TableName() string {
+	return "ingredient_unit_converters"
+}
+
+// BeforeCreate hook to set default values
+func (iuc *IngredientUnitConverter) BeforeCreate() error {
+	if iuc.ID == uuid.Nil {
+		iuc.ID = uuid.New()
+	}
+	return nil
+}
+