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feat: update RecipesViewNotifier and RecipesScreen to use maybeWhen for safer state handling

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This commit is contained in:
Nils-Johan Gynther
2026-04-25 07:12:36 +02:00
parent ba4e931f5c
commit 46de546f9f
3 changed files with 18 additions and 8 deletions
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flutter/lib/features/recipes/data/recipes_grid_provider.dart
+8 -2
View File
@@ -17,7 +17,10 @@ class RecipesViewNotifier extends AsyncNotifier<({RecipesViewMode mode, int colu
Future<void> toggleMode() async {
final prefs = await SharedPreferences.getInstance();
final current = state.valueOrNull ?? (mode: RecipesViewMode.grid, columns: 2);
final current = state.maybeWhen(
data: (v) => v,
orElse: () => (mode: RecipesViewMode.grid, columns: 2),
);
final newMode = current.mode == RecipesViewMode.grid ? RecipesViewMode.list : RecipesViewMode.grid;
await prefs.setInt(_modeKey, newMode.index);
state = AsyncData((mode: newMode, columns: current.columns));
@@ -25,7 +28,10 @@ class RecipesViewNotifier extends AsyncNotifier<({RecipesViewMode mode, int colu
Future<void> setColumns(int columns) async {
final prefs = await SharedPreferences.getInstance();
final current = state.valueOrNull ?? (mode: RecipesViewMode.grid, columns: 2);
final current = state.maybeWhen(
data: (v) => v,
orElse: () => (mode: RecipesViewMode.grid, columns: 2),
);
await prefs.setInt(_columnsKey, columns);
state = AsyncData((mode: current.mode, columns: columns));
}
flutter/lib/features/recipes/presentation/recipes_screen.dart
+5 -3
View File
@@ -13,8 +13,10 @@ class RecipesScreen extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final recipesAsync = ref.watch(recipesProvider);
final view = ref.watch(recipesViewProvider).valueOrNull ??
(mode: RecipesViewMode.grid, columns: 2);
final view = ref.watch(recipesViewProvider).maybeWhen(
data: (v) => v,
orElse: () => (mode: RecipesViewMode.grid, columns: 2),
);
return Stack(
children: [
@@ -75,7 +77,7 @@ class RecipesScreen extends ConsumerWidget {
backgroundImage: NetworkImage(recipe.imageUrl!),
)
: const CircleAvatar(child: Icon(Icons.restaurant)),
title: Text(recipe.name),
title: Text(recipe.title),
subtitle: Text(recipe.description ?? ''),
onTap: () => context.push('/recipes/${recipe.id}'),
);