Feature(#630): Show brand for ingredients

lib/models/nutrition/ingredient.dart

@@ -67,6 +67,10 @@ class Ingredient {
   @JsonKey(required: true)
   final String name;
 
+  /// Brand of the product
+  @JsonKey(name: 'brand')
+  final String? brand;
+
   @JsonKey(required: true, name: 'created')
   final DateTime created;
 
@@ -123,6 +127,7 @@ class Ingredient {
     required this.id,
     required this.code,
     required this.name,
+    this.brand,
     required this.created,
     required this.energy,
     required this.carbohydrates,

lib/widgets/nutrition/ingredient_dialogs.dart

@@ -108,7 +108,22 @@ class IngredientDetails extends StatelessWidget {
     }
 
     return AlertDialog(
-      title: (snapshot.hasData) ? Text(ingredient!.name) : null,
+      title: snapshot.hasData
+          ? Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Text(ingredient!.name),
+                if (ingredient.brand != null && ingredient.brand!.isNotEmpty)
+                  Text(
+                    ingredient.brand!,
+                    style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                      color: DefaultTextStyle.of(context).style.color?.withValues(alpha: 0.6),
+                    ),
+                  ),
+              ],
+            )
+          : null,
       content: SingleChildScrollView(
         child: Padding(
           padding: const EdgeInsets.all(8.0),

lib/widgets/nutrition/widgets.dart

@@ -212,8 +212,19 @@ class _IngredientTypeaheadState extends ConsumerState<IngredientTypeahead> {
                   : const CircleIconAvatar(
                       Icon(Icons.image, color: Colors.grey),
                     ),
-              title: Text(
-                ingredient.name,
+              title: Text.rich(
+                TextSpan(
+                  children: [
+                    TextSpan(text: ingredient.name),
+                    if (ingredient.brand != null && ingredient.brand!.isNotEmpty)
+                      TextSpan(
+                        text: '  ${ingredient.brand}',
+                        style: TextStyle(
+                          color: DefaultTextStyle.of(context).style.color?.withValues(alpha: 0.6),
+                        ),
+                      ),
+                  ],
+                ),
                 maxLines: 2,
                 overflow: TextOverflow.ellipsis,
               ),

test/nutrition/ingredient_typeahead_test.dart

@@ -174,6 +174,27 @@ void main() {
     expect(find.text('Vegan'), findsNothing);
   });
 
+  testWidgets('Shows brand inline in search result tile', (WidgetTester tester) async {
+    // ingredient3 (Broccoli cake) has brand 'Weightwatchers'
+    when(
+      mockNutrition.searchIngredient(
+        any,
+        languageCode: anyNamed('languageCode'),
+        searchLanguage: anyNamed('searchLanguage'),
+        isVegan: anyNamed('isVegan'),
+        isVegetarian: anyNamed('isVegetarian'),
+        nutriscoreMax: anyNamed('nutriscoreMax'),
+      ),
+    ).thenAnswer((_) => Future.value([ingredient3]));
+
+    await tester.pumpWidget(createWidgetUnderTest());
+    await tester.enterText(find.byType(TextFormField), 'Broccoli');
+    await tester.pump(const Duration(milliseconds: 600));
+    await tester.pumpAndSettle();
+
+    expect(find.textContaining('Weightwatchers'), findsOneWidget);
+  });
+
   testWidgets('Shows no dietary chips when ingredient has no info', (WidgetTester tester) async {
     // ingredient2 (Burger soup) has no dietary info
     when(

test/widgets/nutrition/ingredient_dialogs_test.dart

@@ -22,6 +22,34 @@ import 'package:wger/l10n/generated/app_localizations.dart';
 import 'package:wger/models/nutrition/ingredient.dart';
 import 'package:wger/widgets/nutrition/ingredient_dialogs.dart';
 
+import '../../../test_data/nutritional_plans.dart';
+
+Future<void> pumpIngredientDetailsDialog(
+  WidgetTester tester, {
+  required AsyncSnapshot<Ingredient> snapshot,
+}) async {
+  await tester.pumpWidget(
+    MaterialApp(
+      locale: const Locale('en'),
+      localizationsDelegates: AppLocalizations.localizationsDelegates,
+      supportedLocales: AppLocalizations.supportedLocales,
+      home: Scaffold(
+        body: Builder(
+          builder: (context) => ElevatedButton(
+            onPressed: () {
+              showDialog(
+                context: context,
+                builder: (_) => IngredientDetails(snapshot),
+              );
+            },
+            child: const Text('Show Dialog'),
+          ),
+        ),
+      ),
+    ),
+  );
+}
+
 Future<void> pumpIngredientScanDialog(
   WidgetTester tester, {
   required AsyncSnapshot<Ingredient?> snapshot,
@@ -54,6 +82,39 @@ Future<void> pumpIngredientScanDialog(
 }
 
 void main() {
+  group('IngredientDetails tests', () {
+    testWidgets('shows brand below name in title when ingredient has a brand', (
+      WidgetTester tester,
+    ) async {
+      // ingredient3 (Broccoli cake, brand: 'Weightwatchers')
+      final snapshot = AsyncSnapshot<Ingredient>.withData(ConnectionState.done, ingredient3);
+
+      await pumpIngredientDetailsDialog(tester, snapshot: snapshot);
+      await tester.tap(find.text('Show Dialog'));
+      await tester.pumpAndSettle();
+
+      expect(find.byType(AlertDialog), findsOneWidget);
+      expect(find.text('Broccoli cake'), findsOneWidget);
+      expect(find.text('Weightwatchers'), findsOneWidget);
+    });
+
+    testWidgets('does not show brand in title when ingredient has no brand', (
+      WidgetTester tester,
+    ) async {
+      // ingredient1 (Water, brand: null)
+      final snapshot = AsyncSnapshot<Ingredient>.withData(ConnectionState.done, ingredient1);
+
+      await pumpIngredientDetailsDialog(tester, snapshot: snapshot);
+      await tester.tap(find.text('Show Dialog'));
+      await tester.pumpAndSettle();
+
+      expect(find.byType(AlertDialog), findsOneWidget);
+      expect(find.text('Water'), findsOneWidget);
+      // brand: null must not render as the literal string "null"
+      expect(find.text('null'), findsNothing);
+    });
+  });
+
   group('IngredientScanResultDialog tests', () {
     const testBarcode = '1234567890123';
 

test_data/nutritional_plans.dart

@@ -32,6 +32,7 @@ final ingredient1 = Ingredient(
   id: 1,
   code: '123456787',
   name: 'Water',
+  brand: null,
   created: DateTime(2021, 5, 1),
   energy: 500,
   carbohydrates: 10,
@@ -52,6 +53,7 @@ final ingredient2 = Ingredient(
   id: 2,
   code: '123456788',
   name: 'Burger soup',
+  brand: null,
   created: DateTime(2021, 5, 10),
   energy: 25,
   carbohydrates: 10,
@@ -69,6 +71,7 @@ final ingredient3 = Ingredient(
   id: 3,
   code: '123456789',
   name: 'Broccoli cake',
+  brand: 'Weightwatchers',
   created: DateTime(2021, 5, 2),
   energy: 1200,
   carbohydrates: 110,
@@ -86,6 +89,7 @@ final muesli = Ingredient(
   id: 1,
   code: '123456787',
   name: 'Müsli',
+  brand: 'Spar Gourmet',
   created: DateTime(2021, 5, 1),
   energy: 500,
   carbohydrates: 10,
@@ -106,6 +110,7 @@ final milk = Ingredient(
   id: 1,
   code: '123456787',
   name: 'Milk',
+  brand: null,
   created: DateTime(2021, 5, 1),
   energy: 500,
   carbohydrates: 10,