feat: Add localized fields for conservation conditions and customer service in Product object

lib/src/model/product.dart

@@ -109,6 +109,38 @@ class Product extends JsonObject {
       toJson: LanguageHelper.toJsonStringMap)
   Map<OpenFoodFactsLanguage, String>? productNameInLanguages;
 
+  /// The conservation conditions of the product, either set directly or taken from one of the localizations.
+  /// 
+  /// Prefer using [conservationConditionsInLanguages] for more accurate and localized data.
+  @JsonKey(name: 'conservation_conditions')
+  String? conservation_conditions;
+
+  /// Localized conservation conditions of the product, stored in a map where each language is represented by its respective key.
+  /// 
+  /// This field is useful when you need to retrieve conservation conditions in a specific language. 
+  /// For general usage, rely on [conservation_conditions] or the localization-specific fields.
+  @JsonKey(
+      name: 'conservation_conditions_in_languages',
+      fromJson: LanguageHelper.fromJsonStringMap,
+      toJson: LanguageHelper.toJsonStringMap)
+  Map<OpenFoodFactsLanguage, String>? conservationConditionsInLanguages;
+
+  /// The customer service information for the product, either set directly or taken from one of the localizations.
+  /// 
+  /// Prefer using [customerServiceInLanguages] for more accurate and localized data.
+  @JsonKey(name: 'customer_service')
+  String? customer_service;
+
+  /// Localized customer service information for the product, stored in a map where each language is represented by its respective key.
+  /// 
+  /// This field is useful when you need to retrieve customer service information in a specific language. 
+  /// For general usage, rely on [customer_service] or the localization-specific fields.
+  @JsonKey(
+      name: 'customer_service_in_languages',
+      fromJson: LanguageHelper.fromJsonStringMap,
+      toJson: LanguageHelper.toJsonStringMap)
+  Map<OpenFoodFactsLanguage, String>? customerServiceInLanguages;
+
   /// Common name. Example: "Chocolate bar with milk and hazelnuts".
   @JsonKey(name: 'generic_name')
   String? genericName;
@@ -604,6 +636,8 @@ class Product extends JsonObject {
       {this.barcode,
       this.productName,
       this.productNameInLanguages,
+      this.conservation_conditions,
+      this.customer_service,
       this.genericName,
       this.brands,
       this.brandsTags,

lib/src/utils/product_fields.dart

@@ -17,6 +17,36 @@ enum ProductField implements OffTagged {
     offTag: 'product_name_languages',
     inLanguagesProductField: ProductField.NAME_IN_LANGUAGES,
     isAllLanguages: true,
+  ),
+   CONSERVATION_CONDITIONS(
+    offTag: 'conservation_conditions',
+    inLanguagesProductField: ProductField.CONSERVATION_CONDITIONS_IN_LANGUAGES,
+  ),
+
+  CONSERVATION_CONDITIONS_IN_LANGUAGES(
+    offTag: 'conservation_conditions_',
+    isInLanguages: true,
+  ),
+
+  CONSERVATION_CONDITIONS_ALL_LANGUAGES(
+    offTag: 'conservation_conditions_languages',
+    inLanguagesProductField: ProductField.CONSERVATION_CONDITIONS_IN_LANGUAGES,
+    isAllLanguages: true,
+  ),
+  CUSTOMER_SERVICE(
+    offTag: 'customer_service',
+    inLanguagesProductField: ProductField.CUSTOMER_SERVICE_IN_LANGUAGES,
+  ),
+
+  CUSTOMER_SERVICE_IN_LANGUAGES(
+    offTag: 'customer_service_',
+    isInLanguages: true,
+  ),
+
+  CUSTOMER_SERVICE_ALL_LANGUAGES(
+    offTag: 'customer_service_languages',
+    inLanguagesProductField: ProductField.CUSTOMER_SERVICE_IN_LANGUAGES,
+    isAllLanguages: true,
   ),
   GENERIC_NAME(
     offTag: 'generic_name',
@@ -287,6 +317,8 @@ enum ProductField implements OffTagged {
 @Deprecated('Use ProductField.getInLanguagesList() instead')
 const Set<ProductField> fieldsInLanguages = {
   ProductField.NAME_IN_LANGUAGES,
+  ProductField.CONSERVATION_CONDITIONS_IN_LANGUAGES,
+  ProductField.CUSTOMER_SERVICE_IN_LANGUAGES,
   ProductField.GENERIC_NAME_IN_LANGUAGES,
   ProductField.ABBREVIATED_NAME_IN_LANGUAGES,
   ProductField.INGREDIENTS_TEXT_IN_LANGUAGES,