revanced-manager/lib/ui/views/patcher/patcher_viewmodel.dart

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import 'package:flutter/material.dart';
import 'package:flutter_i18n/flutter_i18n.dart';
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import 'package:injectable/injectable.dart';
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import 'package:revanced_manager/app/app.locator.dart';
import 'package:revanced_manager/app/app.router.dart';
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import 'package:revanced_manager/models/patch.dart';
import 'package:revanced_manager/models/patched_application.dart';
import 'package:revanced_manager/services/manager_api.dart';
import 'package:revanced_manager/services/patcher_api.dart';
import 'package:revanced_manager/ui/widgets/shared/custom_material_button.dart';
import 'package:stacked/stacked.dart';
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import 'package:stacked_services/stacked_services.dart';
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@lazySingleton
class PatcherViewModel extends BaseViewModel {
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final NavigationService _navigationService = locator<NavigationService>();
final ManagerAPI _managerAPI = locator<ManagerAPI>();
final PatcherAPI _patcherAPI = locator<PatcherAPI>();
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PatchedApplication? selectedApp;
List<Patch> selectedPatches = [];
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void navigateToAppSelector() {
_navigationService.navigateTo(Routes.appSelectorView);
}
void navigateToPatchesSelector() {
_navigationService.navigateTo(Routes.patchesSelectorView);
}
void navigateToInstaller() {
_navigationService.navigateTo(Routes.installerView);
}
bool showPatchButton() {
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return selectedPatches.isNotEmpty;
}
bool dimPatchesCard() {
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return selectedApp == null;
}
Future<bool> isValidPatchConfig() async {
bool needsResourcePatching = await _patcherAPI.needsResourcePatching(
selectedPatches,
);
if (needsResourcePatching && selectedApp != null) {
bool isSplit = await _managerAPI.isSplitApk(selectedApp!);
return !isSplit;
}
return true;
}
Future<void> showPatchConfirmationDialog(BuildContext context) async {
bool isValid = await isValidPatchConfig();
if (isValid) {
navigateToInstaller();
} else {
return showDialog(
context: context,
builder: (context) => AlertDialog(
title: I18nText('patcherView.patchDialogTitle'),
backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
content: I18nText('patcherView.patchDialogText'),
actions: <Widget>[
CustomMaterialButton(
isFilled: false,
label: I18nText('noButton'),
onPressed: () => Navigator.of(context).pop(),
),
CustomMaterialButton(
label: I18nText('yesButton'),
onPressed: () {
Navigator.of(context).pop();
navigateToInstaller();
},
)
],
),
);
}
}
String getAppSelectionString() {
String text = '${selectedApp!.name} (${selectedApp!.packageName})';
if (text.length > 32) {
text = '${text.substring(0, 32)}...)';
}
return text;
}
String getRecommendedVersionString(BuildContext context) {
String recommendedVersion =
_patcherAPI.getRecommendedVersion(selectedApp!.packageName);
if (recommendedVersion.isEmpty) {
recommendedVersion = FlutterI18n.translate(
context,
'appSelectorCard.anyVersion',
);
} else {
recommendedVersion = 'v$recommendedVersion';
}
return '${FlutterI18n.translate(
context,
'appSelectorCard.currentVersion',
)}: v${selectedApp!.version}\n${FlutterI18n.translate(
context,
'appSelectorCard.recommendedVersion',
)}: $recommendedVersion';
}
Future<void> loadLastSelectedPatches() async {
this.selectedPatches.clear();
List<String> selectedPatches =
await _managerAPI.getSelectedPatches(selectedApp!.originalPackageName);
List<Patch> patches =
await _patcherAPI.getFilteredPatches(selectedApp!.originalPackageName);
this.selectedPatches
.addAll(patches.where((patch) => selectedPatches.contains(patch.name)));
notifyListeners();
}
}