Add coa purchase and vendors

internal/mappers/ingredient_mapper.go

@@ -74,3 +74,26 @@ func MapIngredientModelsToEntities(models []*models.Ingredient) []*entities.Ingr
 
 	return entities
 }
+
+// Entity to Response conversions
+func MapIngredientEntityToResponse(entity *entities.Ingredient) *models.IngredientResponse {
+	if entity == nil {
+		return nil
+	}
+
+	return &models.IngredientResponse{
+		ID:             entity.ID,
+		OrganizationID: entity.OrganizationID,
+		OutletID:       entity.OutletID,
+		Name:           entity.Name,
+		UnitID:         entity.UnitID,
+		Cost:           entity.Cost,
+		Stock:          entity.Stock,
+		IsSemiFinished: entity.IsSemiFinished,
+		IsActive:       entity.IsActive,
+		Metadata:       entity.Metadata,
+		CreatedAt:      entity.CreatedAt,
+		UpdatedAt:      entity.UpdatedAt,
+		Unit:           MapUnitEntityToModel(entity.Unit),
+	}
+}