feat: EXPERIMENTAL language switching.

lib/services/crowdin_api.dart

@@ -0,0 +1,61 @@
+import 'package:dio/dio.dart';
+import 'package:dio_http_cache_lts/dio_http_cache_lts.dart';
+import 'package:injectable/injectable.dart' hide Environment;
+import 'package:revanced_manager/utils/environment.dart';
+import 'package:sentry_dio/sentry_dio.dart';
+import 'package:sentry_flutter/sentry_flutter.dart';
+
+@lazySingleton
+class CrowdinAPI {
+  late Dio _dio = Dio();
+  final DioCacheManager _dioCacheManager = DioCacheManager(CacheConfig());
+  final apiKey = Environment.crowdinKEY;
+
+  Future<void> initialize() async {
+    try {
+      _dio = Dio(BaseOptions(
+        baseUrl: 'https://api.crowdin.com/api/v2',
+      ));
+
+      _dio.interceptors.add(_dioCacheManager.interceptor);
+      _dio.addSentry(
+        captureFailedRequests: true,
+      );
+    } on Exception catch (e, s) {
+      await Sentry.captureException(e, stackTrace: s);
+    }
+  }
+
+  Future<void> clearAllCache() async {
+    try {
+      await _dioCacheManager.clearAll();
+    } on Exception catch (e, s) {
+      await Sentry.captureException(e, stackTrace: s);
+    }
+  }
+
+  Future<List> getLanguages() async {
+    try {
+      var response = await _dio.get(
+        '/projects',
+        options: buildCacheOptions(
+          const Duration(hours: 6),
+          maxStale: const Duration(days: 1),
+          options: Options(
+            headers: {
+              'Authorization': 'Bearer $apiKey',
+            },
+            contentType: 'application/json',
+          ),
+        ),
+      );
+      List targetLanguages =
+          await response.data['data'][0]['data']['targetLanguages'];
+
+      return targetLanguages;
+    } on Exception catch (e, s) {
+      await Sentry.captureException(e, stackTrace: s);
+      return [];
+    }
+  }
+}