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Update key-value-data.md #12265

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033039d
Update key-value-data.md
tomasbaran Aug 4, 2025
273a510
Merge branch 'main' into patch-1
tomasbaran Aug 8, 2025
90c2cd1
Merge branch 'main' into patch-1
ericwindmill Aug 27, 2025
4710f95
Update excerpt sources as well
parlough Aug 28, 2025
b50f2bb
Merge branch 'main' into patch-1
parlough Aug 29, 2025
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13 changes: 4 additions & 9 deletions examples/app-architecture/todo_data_service/lib/main_app_viewmodel.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -24,16 +24,11 @@ class MainAppViewModel extends ChangeNotifier {
bool get isDarkMode => _isDarkMode;

Future<void> _load() async {
try {
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
} on Exception catch (_) {
// handle error
} finally {
notifyListeners();
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
notifyListeners();
}

@override
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27 changes: 9 additions & 18 deletions ...-architecture/todo_data_service/lib/ui/theme_config/viewmodel/theme_switch_viewmodel.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -26,29 +26,20 @@ class ThemeSwitchViewModel extends ChangeNotifier {

/// Load the current theme setting from the repository
Future<Result<void>> _load() async {
try {
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
return result;
} on Exception catch (e) {
return Result.error(e);
} finally {
notifyListeners();
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
notifyListeners();
return result;
}

/// Toggle the theme setting
Future<Result<void>> _toggle() async {
try {
_isDarkMode = !_isDarkMode;
return await _themeRepository.setDarkMode(_isDarkMode);
} on Exception catch (e) {
return Result.error(e);
} finally {
notifyListeners();
}
_isDarkMode = !_isDarkMode;
final result = await _themeRepository.setDarkMode(_isDarkMode);
notifyListeners();
return result;
}
}

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40 changes: 13 additions & 27 deletions src/content/app-architecture/design-patterns/key-value-data.md
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Original file line number Diff line number Diff line change
Expand Up @@ -148,29 +148,20 @@ class ThemeSwitchViewModel extends ChangeNotifier {

/// Load the current theme setting from the repository
Future<Result<void>> _load() async {
try {
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
return result;
} on Exception catch (e) {
return Result.error(e);
} finally {
notifyListeners();
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
notifyListeners();
return result;
}

/// Toggle the theme setting
Future<Result<void>> _toggle() async {
try {
_isDarkMode = !_isDarkMode;
return await _themeRepository.setDarkMode(_isDarkMode);
} on Exception catch (e) {
return Result.error(e);
} finally {
notifyListeners();
}
_isDarkMode = !_isDarkMode;
final result = await _themeRepository.setDarkMode(_isDarkMode);
notifyListeners();
return result;
}
}
```
Expand Down Expand Up @@ -317,16 +308,11 @@ class MainAppViewModel extends ChangeNotifier {
bool get isDarkMode => _isDarkMode;

Future<void> _load() async {
try {
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
} on Exception catch (_) {
// handle error
} finally {
notifyListeners();
final result = await _themeRepository.isDarkMode();
if (result is Ok<bool>) {
_isDarkMode = result.value;
}
notifyListeners();
}

@override
Expand Down