feat: new product field comparedToCategory (#474)

Impacted files:
* api_getProduct_test.dart: added a test for new fields (only field "comparedToCategory" for the moment)
* Product.dart: added field comparedToCategory
* Product.g.dart: generated
* ProductFields.dart: added field COMPARED_TO_CATEGORY

lib/model/Product.dart

@@ -273,6 +273,8 @@ class Product extends JsonObject {
   @JsonKey(name: 'nutrition_grade_fr', includeIfNull: false)
   String? nutriscore;
 
+  @JsonKey(name: 'compared_to_category', includeIfNull: false)
+  String? comparedToCategory;
   @JsonKey(name: 'categories', includeIfNull: false)
   String? categories;
   @JsonKey(name: 'categories_tags', includeIfNull: false)

lib/utils/ProductFields.dart

@@ -42,6 +42,7 @@ enum ProductField {
   NUTRIMENT_ENERGY_UNIT,
   NUTRIMENT_DATA_PER,
   NUTRISCORE,
+  COMPARED_TO_CATEGORY,
   CATEGORIES,
   CATEGORIES_TAGS,
   CATEGORIES_TAGS_IN_LANGUAGES,
@@ -117,6 +118,7 @@ extension ProductFieldExtension on ProductField {
     ProductField.CATEGORIES: 'categories',
     ProductField.CATEGORIES_TAGS: 'categories_tags',
     ProductField.CATEGORIES_TAGS_IN_LANGUAGES: 'categories_tags_',
+    ProductField.COMPARED_TO_CATEGORY: 'compared_to_category',
     ProductField.LABELS: 'labels',
     ProductField.LABELS_TAGS: 'labels_tags',
     ProductField.LABELS_TAGS_IN_LANGUAGES: 'labels_tags_',

test/api_getProduct_test.dart

@@ -1764,6 +1764,23 @@ void main() {
     expect(result.product?.quantity, '5.5 Liter');
   });
 
+  test('get new product fields', () async {
+    final ProductQueryConfiguration configuration = ProductQueryConfiguration(
+      BARCODE_DANISH_BUTTER_COOKIES,
+      fields: [
+        ProductField.COMPARED_TO_CATEGORY,
+      ],
+    );
+
+    final ProductResult result = await OpenFoodAPIClient.getProduct(
+      configuration,
+    );
+
+    expect(result.status, 1);
+    expect(result.product, isNotNull);
+    expect(result.product!.comparedToCategory, isNotNull);
+  });
+
   group('no nutrition data', () {
     // This is barcode refers to a test product
     const String barcode = '111111555555';