add product ingredients

internal/transformer/ingredient_unit_converter_transformer.go

@@ -152,3 +152,27 @@ func UnitModelResponseToResponse(model *models.UnitResponse) contract.UnitRespon
 	}
 }
 
+func IngredientUnitsModelResponseToResponse(model *models.IngredientUnitsResponse) contract.IngredientUnitsResponse {
+	if model == nil {
+		return contract.IngredientUnitsResponse{}
+	}
+
+	response := contract.IngredientUnitsResponse{
+		IngredientID:   model.IngredientID,
+		IngredientName: model.IngredientName,
+		BaseUnitID:     model.BaseUnitID,
+		BaseUnitName:   model.BaseUnitName,
+		Units:          make([]*contract.UnitResponse, 0),
+	}
+
+	// Map units
+	for _, unit := range model.Units {
+		if unit != nil {
+			unitResp := UnitModelResponseToResponse(unit)
+			response.Units = append(response.Units, &unitResp)
+		}
+	}
+
+	return response
+}
+