Refactor Flutter app architecture

2026-06-12 14:25:24 +07:00
parent be41f74b33
commit 5e78a134b0
17 changed files with 821 additions and 751 deletions
@@ -0,0 +1,75 @@
+import 'dart:js_interop';
+
+import 'package:web/web.dart' as web;
+
+const telegramLoginStorageKey = 'mapflow.telegramLoginData';
+const mapflowSessionStorageKey = 'mapflow.sessionToken';
+
+@JS('Telegram')
+external _Telegram? get _telegram;
+
+extension type _Telegram(JSObject _) implements JSObject {
+  @JS('WebApp')
+  external _TelegramWebApp? get webApp;
+}
+
+extension type _TelegramWebApp(JSObject _) implements JSObject {
+  external JSString? get initData;
+  external void ready();
+  external void expand();
+  external bool isVersionAtLeast(String version);
+  external void disableVerticalSwipes();
+}
+
+@JS('JSON.stringify')
+external JSString _jsonStringify(JSAny? value);
+
+_TelegramWebApp? get _webApp => _telegram?.webApp;
+
+String telegramInitData() => _webApp?.initData?.toDart ?? '';
+
+String telegramLoginData() =>
+    web.window.localStorage.getItem(telegramLoginStorageKey) ?? '';
+
+String mapflowSessionToken() =>
+    web.window.localStorage.getItem(mapflowSessionStorageKey) ?? '';
+
+String telegramLoginTokenFromUrl() {
+  final uri = Uri.parse(web.window.location.href);
+  return uri.queryParameters['telegram_login'] ?? '';
+}
+
+void saveTelegramLoginData(JSAny? user) {
+  final encoded = _jsonStringify(user).toDart;
+  web.window.localStorage.setItem(telegramLoginStorageKey, encoded);
+}
+
+void saveMapflowSessionToken(String token) {
+  web.window.localStorage.setItem(mapflowSessionStorageKey, token);
+}
+
+void clearMapflowSession() {
+  web.window.localStorage.removeItem(mapflowSessionStorageKey);
+  web.window.localStorage.removeItem(telegramLoginStorageKey);
+}
+
+void configureTelegramWebApp() {
+  final webApp = _webApp;
+  if (webApp == null) {
+    return;
+  }
+
+  webApp.ready();
+  webApp.expand();
+  if (webApp.isVersionAtLeast('7.7')) {
+    webApp.disableVerticalSwipes();
+  }
+}
+
+void openExternalUrl(String url) {
+  web.window.location.assign(url);
+}
+
+void reloadApp() {
+  web.window.location.assign(web.window.location.origin);
+}