feat: patch apps without internet (#1114)

lib/services/github_api.dart

@@ -6,12 +6,14 @@ import 'package:dio_cache_interceptor/dio_cache_interceptor.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_cache_manager/flutter_cache_manager.dart';
 import 'package:injectable/injectable.dart';
+import 'package:revanced_manager/app/app.locator.dart';
 import 'package:revanced_manager/models/patch.dart';
 import 'package:revanced_manager/services/manager_api.dart';
 
 @lazySingleton
 class GithubAPI {
   late Dio _dio = Dio();
+  late final ManagerAPI _managerAPI = locator<ManagerAPI>();
 
   final _cacheOptions = CacheOptions(
     store: MemCacheStore(),
@@ -201,8 +203,14 @@ class GithubAPI {
     String extension,
     String repoName,
     String version,
+    String url,
   ) async {
     try {
+      if (url.isNotEmpty) {
+        return await DefaultCacheManager().getSingleFile(
+          url,
+        );
+      }
       final Map<String, dynamic>? release =
           await getPatchesRelease(repoName, version);
       if (release != null) {
@@ -211,8 +219,16 @@ class GithubAPI {
           (asset) => (asset['name'] as String).endsWith(extension),
         );
         if (asset != null) {
+          final String downloadUrl = asset['browser_download_url'];
+          if (extension == '.apk') {
+            _managerAPI.setIntegrationsDownloadURL(downloadUrl);
+          } else if (extension == '.json') {
+            _managerAPI.setPatchesDownloadURL(downloadUrl, false);
+          } else {
+            _managerAPI.setPatchesDownloadURL(downloadUrl, true);
+          }
           return await DefaultCacheManager().getSingleFile(
-            asset['browser_download_url'],
+            downloadUrl,
           );
         }
       }
@@ -224,10 +240,19 @@ class GithubAPI {
     return null;
   }
 
-  Future<List<Patch>> getPatches(String repoName, String version) async {
+  Future<List<Patch>> getPatches(
+    String repoName,
+    String version,
+    String url,
+  ) async {
     List<Patch> patches = [];
     try {
-      final File? f = await getPatchesReleaseFile('.json', repoName, version);
+      final File? f = await getPatchesReleaseFile(
+        '.json',
+        repoName,
+        version,
+        url,
+      );
       if (f != null) {
         final List<dynamic> list = jsonDecode(f.readAsStringSync());
         patches = list.map((patch) => Patch.fromJson(patch)).toList();

lib/services/manager_api.dart

@@ -76,6 +76,14 @@ class ManagerAPI {
     await _prefs.setString('repoUrl', url);
   }
 
+  String getPatchesDownloadURL(bool bundle) {
+    return _prefs.getString('patchesDownloadURL-$bundle') ?? '';
+  }
+
+  Future<void> setPatchesDownloadURL(String value, bool bundle) async {
+    await _prefs.setString('patchesDownloadURL-$bundle', value);
+  }
+
   String getPatchesRepo() {
     return _prefs.getString('patchesRepo') ?? defaultPatchesRepo;
   }
@@ -119,6 +127,14 @@ class ManagerAPI {
     await _prefs.setStringList('savedPatches-$packageName', patchesJson);
   }
 
+  String getIntegrationsDownloadURL() {
+    return _prefs.getString('integrationsDownloadURL') ?? '';
+  }
+
+  Future<void> setIntegrationsDownloadURL(String value) async {
+    await _prefs.setString('integrationsDownloadURL', value);
+  }
+
   List<Patch> getUsedPatches(String packageName) {
     final List<String> patchesJson =
         _prefs.getStringList('usedPatches-$packageName') ?? [];
@@ -260,7 +276,12 @@ class ManagerAPI {
     try {
       final String repoName = getPatchesRepo();
       final String currentVersion = await getCurrentPatchesVersion();
-      return await _githubAPI.getPatches(repoName, currentVersion);
+      final String url = getPatchesDownloadURL(false);
+      return await _githubAPI.getPatches(
+        repoName,
+        currentVersion,
+        url,
+      );
     } on Exception catch (e) {
       if (kDebugMode) {
         print(e);
@@ -273,10 +294,12 @@ class ManagerAPI {
     try {
       final String repoName = getPatchesRepo();
       final String currentVersion = await getCurrentPatchesVersion();
+      final String url = getPatchesDownloadURL(true);
       return await _githubAPI.getPatchesReleaseFile(
         '.jar',
         repoName,
         currentVersion,
+        url,
       );
     } on Exception catch (e) {
       if (kDebugMode) {
@@ -290,10 +313,12 @@ class ManagerAPI {
     try {
       final String repoName = getIntegrationsRepo();
       final String currentVersion = await getCurrentIntegrationsVersion();
+      final String url = getIntegrationsDownloadURL();
       return await _githubAPI.getPatchesReleaseFile(
         '.apk',
         repoName,
         currentVersion,
+        url,
       );
     } on Exception catch (e) {
       if (kDebugMode) {
@@ -384,27 +409,39 @@ class ManagerAPI {
   Future<String> getCurrentPatchesVersion() async {
     patchesVersion = _prefs.getString('patchesVersion') ?? '0.0.0';
     if (patchesVersion == '0.0.0' || isPatchesAutoUpdate()) {
-      patchesVersion = await getLatestPatchesVersion() ?? '0.0.0';
+      final String newPatchesVersion =
-      await setCurrentPatchesVersion(patchesVersion!);
+          await getLatestPatchesVersion() ?? '0.0.0';
+      if (patchesVersion != newPatchesVersion && newPatchesVersion != '0.0.0') {
+        await setCurrentPatchesVersion(newPatchesVersion);
+      }
     }
     return patchesVersion!;
   }
 
   Future<void> setCurrentPatchesVersion(String version) async {
     await _prefs.setString('patchesVersion', version);
+    await setPatchesDownloadURL('', false);
+    await setPatchesDownloadURL('', true);
+    await downloadPatches();
   }
 
   Future<String> getCurrentIntegrationsVersion() async {
     integrationsVersion = _prefs.getString('integrationsVersion') ?? '0.0.0';
     if (integrationsVersion == '0.0.0' || isPatchesAutoUpdate()) {
-      integrationsVersion = await getLatestIntegrationsVersion() ?? '0.0.0';
+      final String newIntegrationsVersion =
-      await setCurrentIntegrationsVersion(integrationsVersion!);
+          await getLatestIntegrationsVersion() ?? '0.0.0';
+      if (integrationsVersion != newIntegrationsVersion &&
+          newIntegrationsVersion != '0.0.0') {
+        await setCurrentIntegrationsVersion(newIntegrationsVersion);
+      }
     }
     return integrationsVersion!;
   }
 
   Future<void> setCurrentIntegrationsVersion(String version) async {
     await _prefs.setString('integrationsVersion', version);
+    await setIntegrationsDownloadURL('');
+    await downloadIntegrations();
   }
 
   Future<List<PatchedApplication>> getAppsToRemove(

lib/services/patcher_api.dart

@@ -30,6 +30,8 @@ class PatcherAPI {
 
   Future<void> initialize() async {
     await _loadPatches();
+    await _managerAPI.downloadPatches();
+    await _managerAPI.downloadIntegrations();
     final Directory appCache = await getTemporaryDirectory();
     _dataDir = await getExternalStorageDirectory() ?? appCache;
     _tmpDir = Directory('${appCache.path}/patcher');

lib/ui/views/home/home_viewmodel.dart

@@ -256,9 +256,9 @@ class HomeViewModel extends BaseViewModel {
     final String integrationsVersion =
         await _managerAPI.getLatestIntegrationsVersion() ?? '0.0.0';
     if (patchesVersion != '0.0.0' && integrationsVersion != '0.0.0') {
-      _toast.showBottom('homeView.downloadedMessage');
       await _managerAPI.setCurrentPatchesVersion(patchesVersion);
       await _managerAPI.setCurrentIntegrationsVersion(integrationsVersion);
+      _toast.showBottom('homeView.downloadedMessage');
       forceRefresh(context);
     } else {
       _toast.showBottom('homeView.errorDownloadMessage');

lib/ui/views/settings/settingsFragment/settings_manage_sources.dart

@@ -129,6 +129,7 @@ class SManageSources extends BaseViewModel {
                 '${_orgIntSourceController.text.trim()}/${_intSourceController.text.trim()}',
               );
               _managerAPI.setCurrentPatchesVersion('0.0.0');
+              _managerAPI.setCurrentIntegrationsVersion('0.0.0');
               _toast.showBottom('settingsView.restartAppForChanges');
               Navigator.of(context).pop();
             },
@@ -158,6 +159,7 @@ class SManageSources extends BaseViewModel {
               _managerAPI.setPatchesRepo('');
               _managerAPI.setIntegrationsRepo('');
               _managerAPI.setCurrentPatchesVersion('0.0.0');
+              _managerAPI.setCurrentIntegrationsVersion('0.0.0');
               _toast.showBottom('settingsView.restartAppForChanges');
               Navigator.of(context)
                 ..pop()