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842 lines
31 KiB
842 lines
31 KiB
import 'package:flutter/material.dart';
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import '../../core/logger.dart';
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import '../../core/service_locator.dart';
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import '../../data/session/session_service.dart';
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import '../../data/firebase/firebase_service.dart';
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import '../../data/nostr/nostr_service.dart';
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import '../../data/nostr/models/nostr_keypair.dart';
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/// Screen for user session management (login/logout).
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class SessionScreen extends StatefulWidget {
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final VoidCallback? onSessionChanged;
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const SessionScreen({
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super.key,
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this.onSessionChanged,
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});
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@override
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State<SessionScreen> createState() => _SessionScreenState();
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}
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class _SessionScreenState extends State<SessionScreen> {
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final TextEditingController _usernameController = TextEditingController();
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final TextEditingController _userIdController = TextEditingController();
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final TextEditingController _emailController = TextEditingController();
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final TextEditingController _passwordController = TextEditingController();
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final TextEditingController _nostrKeyController = TextEditingController();
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bool _isLoading = false;
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bool _useFirebaseAuth = false;
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bool _useNostrLogin = false;
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NostrKeyPair? _generatedKeyPair;
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@override
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void initState() {
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super.initState();
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// Check if Firebase Auth is available
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_useFirebaseAuth = ServiceLocator.instance.firebaseService?.isEnabled == true &&
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ServiceLocator.instance.firebaseService?.config.authEnabled == true;
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}
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@override
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void dispose() {
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_usernameController.dispose();
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_userIdController.dispose();
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_emailController.dispose();
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_passwordController.dispose();
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_nostrKeyController.dispose();
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super.dispose();
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}
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Future<void> _handleLogin() async {
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if (ServiceLocator.instance.sessionService == null) return;
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setState(() {
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_isLoading = true;
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});
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try {
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// Handle Nostr login
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if (_useNostrLogin) {
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final nostrKey = _nostrKeyController.text.trim();
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if (nostrKey.isEmpty) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please enter nsec or npub key'),
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),
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);
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}
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return;
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}
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// Validate format
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if (!nostrKey.startsWith('nsec') && !nostrKey.startsWith('npub')) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Invalid key format. Expected nsec or npub.'),
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backgroundColor: Colors.red,
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),
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);
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}
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return;
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}
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// Login with Nostr
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await ServiceLocator.instance.sessionService!.loginWithNostr(nostrKey);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Nostr login successful'),
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),
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);
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setState(() {});
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widget.onSessionChanged?.call();
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}
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return;
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}
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// Handle Firebase or regular login
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if (_useFirebaseAuth && ServiceLocator.instance.firebaseService != null) {
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// Use Firebase Auth for authentication
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final email = _emailController.text.trim();
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final password = _passwordController.text.trim();
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if (email.isEmpty || password.isEmpty) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please enter email and password'),
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),
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);
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}
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return;
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}
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// Authenticate with Firebase
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final firebaseUser = await ServiceLocator.instance.firebaseService!.loginWithEmailPassword(
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email: email,
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password: password,
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);
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// Create session with Firebase user info
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await ServiceLocator.instance.sessionService!.login(
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id: firebaseUser.uid,
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username: firebaseUser.email?.split('@').first ?? firebaseUser.uid,
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token: await firebaseUser.getIdToken(),
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);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Login successful'),
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),
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);
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setState(() {});
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// Notify parent that session state changed
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widget.onSessionChanged?.call();
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}
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} else {
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// Simple validation mode (no Firebase Auth)
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final username = _usernameController.text.trim();
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final userId = _userIdController.text.trim();
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if (username.isEmpty || userId.isEmpty) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please enter username and user ID'),
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),
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);
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}
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return;
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}
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// Basic validation: require minimum length
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if (userId.length < 3) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('User ID must be at least 3 characters'),
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),
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);
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}
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return;
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}
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if (username.length < 2) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Username must be at least 2 characters'),
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),
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);
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}
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return;
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}
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// Create session (demo mode - no real authentication)
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await ServiceLocator.instance.sessionService!.login(
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id: userId,
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username: username,
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);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Login successful (demo mode)'),
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backgroundColor: Colors.orange,
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),
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);
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setState(() {});
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// Notify parent that session state changed
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widget.onSessionChanged?.call();
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}
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Login failed: ${e.toString().replaceAll('FirebaseServiceException: ', '').replaceAll('SessionException: ', '')}'),
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backgroundColor: Colors.red,
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),
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);
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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Future<void> _handleLogout() async {
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if (ServiceLocator.instance.sessionService == null) return;
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setState(() {
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_isLoading = true;
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});
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try {
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// Logout from session service first
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await ServiceLocator.instance.sessionService!.logout();
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// Also logout from Firebase Auth if enabled
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if (_useFirebaseAuth && ServiceLocator.instance.firebaseService != null) {
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try {
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await ServiceLocator.instance.firebaseService!.logout();
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} catch (e) {
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// Log error but don't fail logout - session is already cleared
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Logger.warning('Firebase logout failed: $e');
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}
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}
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Logout successful'),
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),
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);
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setState(() {});
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// Notify parent that session state changed
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widget.onSessionChanged?.call();
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Logout failed: ${e.toString().replaceAll('SessionException: ', '')}'),
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backgroundColor: Colors.red,
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),
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);
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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Future<void> _handleRefresh() async {
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if (ServiceLocator.instance.sessionService == null) return;
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try {
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await ServiceLocator.instance.sessionService!.refreshNostrProfile();
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if (mounted) {
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setState(() {});
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Session data refreshed'),
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duration: Duration(seconds: 2),
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),
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);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Failed to refresh: ${e.toString().replaceAll('SessionException: ', '')}'),
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backgroundColor: Colors.red,
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duration: const Duration(seconds: 3),
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),
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);
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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final isLoggedIn = ServiceLocator.instance.sessionService?.isLoggedIn ?? false;
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final currentUser = ServiceLocator.instance.sessionService?.currentUser;
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return Scaffold(
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appBar: AppBar(
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title: const Text('Session'),
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: _buildRefreshableContent(isLoggedIn, currentUser),
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);
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}
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Widget _buildRefreshableContent(bool isLoggedIn, currentUser) {
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final canRefresh = isLoggedIn &&
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(currentUser?.nostrProfile != null || currentUser?.nostrPrivateKey != null);
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final content = SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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if (isLoggedIn && currentUser != null) ...[
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Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Current Session',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 12),
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// Display Nostr profile if available
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if (currentUser.nostrProfile != null) ...[
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Row(
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children: [
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if (currentUser.nostrProfile!.picture != null)
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CircleAvatar(
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radius: 30,
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backgroundImage: NetworkImage(
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currentUser.nostrProfile!.picture!,
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),
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onBackgroundImageError: (_, __) {},
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)
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else
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const CircleAvatar(
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radius: 30,
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child: Icon(Icons.person),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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currentUser.nostrProfile!.name ??
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currentUser.nostrProfile!.displayName,
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style: const TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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if (currentUser.nostrProfile!.about != null)
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Text(
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currentUser.nostrProfile!.about!,
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style: TextStyle(
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fontSize: 14,
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color: Colors.grey[600],
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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],
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),
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),
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],
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),
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const SizedBox(height: 12),
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const Divider(),
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const SizedBox(height: 12),
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],
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// NIP-05 section
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if (currentUser.nostrProfile?.nip05 != null &&
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currentUser.nostrProfile!.nip05!.isNotEmpty)
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_Nip05Section(
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nip05: currentUser.nostrProfile!.nip05!,
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publicKey: currentUser.id,
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nostrService: ServiceLocator.instance.nostrService,
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),
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if (currentUser.nostrProfile?.nip05 != null &&
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currentUser.nostrProfile!.nip05!.isNotEmpty)
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const SizedBox(height: 12),
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Text('User ID: ${currentUser.id.substring(0, currentUser.id.length > 32 ? 32 : currentUser.id.length)}${currentUser.id.length > 32 ? '...' : ''}'),
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Text('Username: ${currentUser.username}'),
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Text(
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'Created: ${DateTime.fromMillisecondsSinceEpoch(currentUser.createdAt).toString().split('.')[0]}',
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),
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],
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),
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),
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),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: _handleLogout,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red,
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foregroundColor: Colors.white,
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),
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child: const Text('Logout'),
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),
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] else ...[
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const Icon(
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Icons.person_outline,
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size: 64,
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color: Colors.grey,
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),
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const SizedBox(height: 16),
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const Text(
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'Login',
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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),
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textAlign: TextAlign.center,
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),
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if (!_useFirebaseAuth) ...[
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const SizedBox(height: 8),
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Colors.orange.shade50,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: Colors.orange.shade200),
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),
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child: Row(
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children: [
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Icon(Icons.info_outline, color: Colors.orange.shade700, size: 20),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'Demo mode: No authentication required. Enter any valid user ID and username.',
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style: TextStyle(
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fontSize: 12,
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color: Colors.orange.shade700,
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),
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),
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),
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],
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),
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),
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],
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const SizedBox(height: 24),
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// Login method selector
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SegmentedButton<bool>(
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segments: const [
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ButtonSegment<bool>(
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value: false,
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label: Text('Regular'),
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),
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ButtonSegment<bool>(
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value: true,
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label: Text('Nostr'),
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),
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],
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selected: {_useNostrLogin},
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onSelectionChanged: (Set<bool> newSelection) {
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setState(() {
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_useNostrLogin = newSelection.first;
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});
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},
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),
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const SizedBox(height: 24),
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if (_useNostrLogin) ...[
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// Key pair generation section
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if (ServiceLocator.instance.nostrService != null) ...[
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Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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'Generate Key Pair',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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),
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),
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ElevatedButton.icon(
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onPressed: () {
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setState(() {
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_generatedKeyPair = ServiceLocator.instance.nostrService!.generateKeyPair();
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});
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},
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icon: const Icon(Icons.refresh, size: 18),
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label: const Text('Generate'),
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),
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],
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),
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if (_generatedKeyPair != null) ...[
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const SizedBox(height: 16),
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// npub display
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Row(
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'npub (Public Key):',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 4),
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SelectableText(
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_generatedKeyPair!.toNpub(),
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style: const TextStyle(
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fontSize: 11,
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fontFamily: 'monospace',
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),
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),
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],
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),
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),
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const SizedBox(width: 8),
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IconButton(
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icon: const Icon(Icons.content_copy),
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tooltip: 'Copy to field',
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onPressed: () {
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_nostrKeyController.text = _generatedKeyPair!.toNpub();
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},
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),
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],
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),
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const SizedBox(height: 12),
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// nsec display
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Row(
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'nsec (Private Key):',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 4),
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SelectableText(
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_generatedKeyPair!.toNsec(),
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style: const TextStyle(
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fontSize: 11,
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fontFamily: 'monospace',
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),
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),
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],
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),
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),
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const SizedBox(width: 8),
|
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IconButton(
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icon: const Icon(Icons.content_copy),
|
|
tooltip: 'Copy to field',
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onPressed: () {
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_nostrKeyController.text = _generatedKeyPair!.toNsec();
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},
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),
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],
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),
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],
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],
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),
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),
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),
|
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const SizedBox(height: 16),
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],
|
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TextField(
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controller: _nostrKeyController,
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decoration: const InputDecoration(
|
|
labelText: 'Nostr Key (nsec or npub)',
|
|
hintText: 'Enter your nsec or npub key',
|
|
border: OutlineInputBorder(),
|
|
helperText: 'Enter your Nostr private key (nsec) or public key (npub)',
|
|
),
|
|
maxLines: 3,
|
|
minLines: 1,
|
|
),
|
|
] else if (_useFirebaseAuth) ...[
|
|
TextField(
|
|
controller: _emailController,
|
|
decoration: const InputDecoration(
|
|
labelText: 'Email',
|
|
hintText: 'Enter your email',
|
|
border: OutlineInputBorder(),
|
|
),
|
|
keyboardType: TextInputType.emailAddress,
|
|
autofillHints: const [AutofillHints.email],
|
|
),
|
|
const SizedBox(height: 16),
|
|
TextField(
|
|
controller: _passwordController,
|
|
decoration: const InputDecoration(
|
|
labelText: 'Password',
|
|
hintText: 'Enter your password',
|
|
border: OutlineInputBorder(),
|
|
),
|
|
obscureText: true,
|
|
autofillHints: const [AutofillHints.password],
|
|
),
|
|
] else ...[
|
|
TextField(
|
|
controller: _userIdController,
|
|
decoration: const InputDecoration(
|
|
labelText: 'User ID',
|
|
hintText: 'Enter user ID (min 3 characters)',
|
|
border: OutlineInputBorder(),
|
|
),
|
|
),
|
|
const SizedBox(height: 16),
|
|
TextField(
|
|
controller: _usernameController,
|
|
decoration: const InputDecoration(
|
|
labelText: 'Username',
|
|
hintText: 'Enter username (min 2 characters)',
|
|
border: OutlineInputBorder(),
|
|
),
|
|
),
|
|
],
|
|
const SizedBox(height: 24),
|
|
ElevatedButton(
|
|
onPressed: _isLoading ? null : _handleLogin,
|
|
child: _isLoading
|
|
? const SizedBox(
|
|
width: 20,
|
|
height: 20,
|
|
child: CircularProgressIndicator(strokeWidth: 2),
|
|
)
|
|
: const Text('Login'),
|
|
),
|
|
],
|
|
],
|
|
),
|
|
);
|
|
|
|
if (canRefresh) {
|
|
return RefreshIndicator(
|
|
onRefresh: _handleRefresh,
|
|
child: content,
|
|
);
|
|
} else {
|
|
return content;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Widget for displaying NIP-05 information including domain and preferred relays.
|
|
class _Nip05Section extends StatefulWidget {
|
|
final String nip05;
|
|
final String publicKey;
|
|
final NostrService? nostrService;
|
|
|
|
const _Nip05Section({
|
|
required this.nip05,
|
|
required this.publicKey,
|
|
this.nostrService,
|
|
});
|
|
|
|
@override
|
|
State<_Nip05Section> createState() => _Nip05SectionState();
|
|
}
|
|
|
|
class _Nip05SectionState extends State<_Nip05Section> {
|
|
List<String> _preferredRelays = [];
|
|
bool _isLoading = false;
|
|
String? _error;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_loadPreferredRelays();
|
|
}
|
|
|
|
Future<void> _loadPreferredRelays() async {
|
|
if (ServiceLocator.instance.nostrService == null) {
|
|
setState(() {
|
|
_error = 'Nostr service not available';
|
|
});
|
|
return;
|
|
}
|
|
|
|
setState(() {
|
|
_isLoading = true;
|
|
_error = null;
|
|
});
|
|
|
|
try {
|
|
final relays = await ServiceLocator.instance.nostrService!.fetchPreferredRelaysFromNip05(
|
|
widget.nip05,
|
|
widget.publicKey,
|
|
);
|
|
setState(() {
|
|
_preferredRelays = relays;
|
|
_isLoading = false;
|
|
});
|
|
} catch (e) {
|
|
setState(() {
|
|
_error = e.toString().replaceAll('NostrException: ', '');
|
|
_isLoading = false;
|
|
});
|
|
}
|
|
}
|
|
|
|
String _getDomain() {
|
|
final parts = widget.nip05.split('@');
|
|
if (parts.length == 2) {
|
|
return parts[1];
|
|
}
|
|
return widget.nip05;
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
const Text(
|
|
'NIP-05',
|
|
style: TextStyle(
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 8),
|
|
Row(
|
|
children: [
|
|
const Icon(Icons.verified, size: 16, color: Colors.blue),
|
|
const SizedBox(width: 8),
|
|
Expanded(
|
|
child: Text(
|
|
widget.nip05,
|
|
style: const TextStyle(
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.w500,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
'Domain: ${_getDomain()}',
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: Colors.grey[600],
|
|
),
|
|
),
|
|
const SizedBox(height: 12),
|
|
const Text(
|
|
'Preferred Relays',
|
|
style: TextStyle(
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.w600,
|
|
),
|
|
),
|
|
const SizedBox(height: 8),
|
|
if (_isLoading)
|
|
const Padding(
|
|
padding: EdgeInsets.symmetric(vertical: 8),
|
|
child: SizedBox(
|
|
height: 20,
|
|
width: 20,
|
|
child: CircularProgressIndicator(strokeWidth: 2),
|
|
),
|
|
)
|
|
else if (_error != null)
|
|
Container(
|
|
padding: const EdgeInsets.all(8),
|
|
decoration: BoxDecoration(
|
|
color: Colors.red.shade50,
|
|
borderRadius: BorderRadius.circular(4),
|
|
border: Border.all(color: Colors.red.shade200),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
Icon(Icons.error_outline, size: 16, color: Colors.red.shade700),
|
|
const SizedBox(width: 8),
|
|
Expanded(
|
|
child: Text(
|
|
_error!,
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: Colors.red.shade700,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
)
|
|
else if (_preferredRelays.isEmpty)
|
|
Text(
|
|
'No preferred relays found',
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: Colors.grey[600],
|
|
fontStyle: FontStyle.italic,
|
|
),
|
|
)
|
|
else
|
|
..._preferredRelays.map((relay) => Padding(
|
|
padding: const EdgeInsets.only(bottom: 4),
|
|
child: Row(
|
|
children: [
|
|
Icon(
|
|
Icons.link,
|
|
size: 14,
|
|
color: Colors.grey[600],
|
|
),
|
|
const SizedBox(width: 8),
|
|
Expanded(
|
|
child: Text(
|
|
relay,
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: Colors.grey[700],
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
)),
|
|
],
|
|
);
|
|
}
|
|
}
|
|
|