lib/src/features/auth/auth_webview_controller.dart - dev - brndmgd/ai_architect_client

lib/src/features/auth/auth_webview_controller.dart

76 строк2 KB

brndmgd

feat: add github repository

15 ноя 2025, 19:06

15 ноя 2025, 19:06435ace7

import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';
import '../../app_routes.dart';
import '../../config/api_service.dart';
import 'auth_service.dart';

class AuthWebViewController {
  final BuildContext context;
  final void Function(VoidCallback fn) setState;
  late final WebViewController webViewController;
  final AuthService _authService = AuthService();
  bool isParsing = false;
  bool hasError = false;

  AuthWebViewController(this.context, this.setState);

  void init() {
    webViewController = WebViewController()
      ..setJavaScriptMode(JavaScriptMode.unrestricted)
      ..setNavigationDelegate(
        NavigationDelegate(
          onPageStarted: _onPageStarted,
          onPageFinished: _onPageFinished,
          onWebResourceError: _onWebResourceError,
        ),
      )
      ..loadRequest(Uri.parse(ApiService.baseUrl + '/auth/yandex/login'));
  }

  void _onPageStarted(String url) {
    final isCallback = _authService.isAuthCallback(url);
    setState(() {
      isParsing = isCallback;
      hasError = false;
    });
  }

  Future<void> _onPageFinished(String url) async {
    if (!isParsing) return;
    try {
      final String pageContent =
      await webViewController.runJavaScriptReturningResult(
        "document.body.innerText",
      )
      as String;

      final cleanedJson = _authService.cleanJsonString(pageContent);
      final success = await _authService.handleTokens(cleanedJson);

      if (success) {
        _handleSuccess();
      } else {
        _handleError("Couldn't authorize");
      }
    } catch (e) {
      _handleError('Failed to process authentication: $e');
      Navigator.of(context).pop();
    }
  }

  void _onWebResourceError(WebResourceError error) {
    _handleError('Web resource error: ${error.description}, ${error.url}');
  }

  void _handleSuccess() {
    Navigator.pushNamedAndRemoveUntil(context, AppRoutes.chat, (route) => false);
  }

  void _handleError(String errorMessage) {
    print(errorMessage);
    setState(() {
      hasError = true;
      isParsing = false;
    });
  }
}