feat: refactor RecipesScreen to use grid layout and save column preference

Co-authored-by: Copilot <copilot@github.com>

flutter/lib/features/recipes/presentation/recipes_screen.dart

@@ -1,18 +1,77 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 import '../../../core/api/api_error_mapper.dart';
 import '../../../core/ui/async_state_views.dart';
 import '../data/recipe_providers.dart';
 
-class RecipesScreen extends ConsumerWidget {
+class RecipesScreen extends ConsumerStatefulWidget {
   const RecipesScreen({super.key});
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) {
+  ConsumerState<RecipesScreen> createState() => _RecipesScreenState();
+}
+
+class _RecipesScreenState extends ConsumerState<RecipesScreen> {
+  int _selectedColumns = 2;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadSelectedColumns();
+  }
+
+  Future<void> _loadSelectedColumns() async {
+    final prefs = await SharedPreferences.getInstance();
+    setState(() {
+      _selectedColumns = prefs.getInt('selectedColumns') ?? 2;
+    });
+  }
+
+  Future<void> _saveSelectedColumns(int columns) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt('selectedColumns', columns);
+  }
+
+  @override
+  Widget build(BuildContext context) {
     final recipesAsync = ref.watch(recipesProvider);
+
     return Scaffold(
+      appBar: AppBar(
+        title: const Text('Recept'),
+        actions: [
+          PopupMenuButton<int>(
+            icon: const Icon(Icons.grid_view),
+            onSelected: (int columns) {
+              setState(() {
+                _selectedColumns = columns;
+              });
+              _saveSelectedColumns(columns);
+            },
+            itemBuilder: (BuildContext context) => <PopupMenuEntry<int>>[
+              const PopupMenuItem<int>(
+                value: 2,
+                child: Text('2 kolumner'),
+              ),
+              const PopupMenuItem<int>(
+                value: 4,
+                child: Text('4 kolumner'),
+              ),
+              const PopupMenuItem<int>(
+                value: 6,
+                child: Text('6 kolumner'),
+              ),
+              const PopupMenuItem<int>(
+                value: 8,
+                child: Text('8 kolumner'),
+              ),
+            ],
+          ),
+        ],
+      ),
       body: recipesAsync.when(
         loading: () => const LoadingStateView(label: 'Laddar recept...'),
         error: (error, _) => ErrorStateView(
@@ -27,26 +86,32 @@ class RecipesScreen extends ConsumerWidget {
             );
           }
 
-          return ListView.builder(
-            itemCount: recipes.length,
-            itemBuilder: (context, index) {
-              final recipe = recipes[index];
-              return ListTile(
-                leading: recipe.imageUrl != null
-                    ? Image.network(recipe.imageUrl!, width: 56, fit: BoxFit.cover)
-                    : const Icon(Icons.restaurant),
-                title: Text(recipe.title),
-                subtitle: recipe.description != null
-                    ? Text(
-                        recipe.description!,
-                        maxLines: 1,
-                        overflow: TextOverflow.ellipsis,
-                      )
-                    : null,
-                trailing: const Icon(Icons.chevron_right),
-                onTap: () => context.push('/recipes/${recipe.id}'),
-              );
-            },
+          return GridView.count(
+            crossAxisCount: _selectedColumns,
+            children: List.generate(
+              recipes.length,
+              (index) {
+                final recipe = recipes[index];
+                return GestureDetector(
+                  onTap: () => context.push('/recipes/${recipe.id}'),
+                  child: Container(
+                    margin: const EdgeInsets.all(4.0),
+                    decoration: BoxDecoration(
+                      borderRadius: BorderRadius.circular(8.0),
+                      image: recipe.imageUrl != null
+                          ? DecorationImage(
+                              image: NetworkImage(recipe.imageUrl!),
+                              fit: BoxFit.cover,
+                            )
+                          : null,
+                    ),
+                    child: recipe.imageUrl == null
+                        ? const Center(child: Icon(Icons.restaurant))
+                        : null,
+                  ),
+                );
+              },
+            ),
           );
         },
       ),