Encrypted messaging app
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import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '/components/custom_title_bar.dart';
import '/database/models/my_profile.dart';
import '/utils/storage/database.dart';
@immutable
class ChangeServerUrl extends StatefulWidget {
const ChangeServerUrl({
Key? key,
}) : super(key: key);
@override
State<ChangeServerUrl> createState() => _ChangeServerUrl();
}
class _ChangeServerUrl extends State<ChangeServerUrl> {
final _formKey = GlobalKey<FormState>();
final TextEditingController _serverUrlController = TextEditingController();
bool invalidCurrentPassword = false;
@override
void initState() {
setUrl();
super.initState();
}
Future<void> setUrl() async {
final preferences = await SharedPreferences.getInstance();
_serverUrlController.text = preferences.getString('server_url') ?? defaultServerUrl;
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CustomTitleBar(
title: Text(
'Profile',
style: TextStyle(
fontSize: 32,
fontWeight: FontWeight.bold
)
),
showBack: true,
backgroundColor: Colors.transparent,
),
body: SingleChildScrollView(
child: Center(
child: Form(
key: _formKey,
child: Padding(
padding: const EdgeInsets.only(
left: 20,
right: 20,
top: 30,
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const Text(
'Change Server Url',
style: TextStyle(
fontSize: 25,
),
),
const SizedBox(height: 30),
showWarning(),
const SizedBox(height: 30),
TextFormField(
controller: _serverUrlController,
decoration: const InputDecoration(
hintText: 'Server Url',
),
// The validator receives the text that the user has entered.
validator: (String? value) {
if (value == null || !Uri.parse(value).isAbsolute) {
return 'Invalid URL';
}
return null;
},
),
const SizedBox(height: 15),
ElevatedButton(
onPressed: () {
if (!_formKey.currentState!.validate()) {
return;
}
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Processing Data')),
);
},
child: const Text('CHANGE SERVER URL'),
),
],
)
)
)
)
)
);
}
Widget showWarning() {
String warning1 = '''
WARNING: Do not use this feature unless you know what you\'re doing!
''';
String warning2 = '''
Changing the server url will disconnect you from all friends and conversations on this server, and connect you to a fresh environment. This feature is intended to be used by people that are willing to host their own Envelope server, which you can find by going to \nhttps://github.com/SomeUsername/SomeRepo.\n\n
You can revert this by entering \nhttps://envelope-messenger.com\n on the login screen.
''';
return Column(
children: [
Text(
warning1,
textAlign: TextAlign.center,
style: TextStyle(
color: Theme.of(context).colorScheme.error,
)
),
Text(
warning2,
textAlign: TextAlign.center,
),
],
);
}
// TODO: Write user data to new server??
Future<void> changeUrl() async {
MyProfile.setServerUrl(_serverUrlController.text);
deleteDb();
MyProfile.logout();
Navigator.pushNamedAndRemoveUntil(context, '/landing', ModalRoute.withName('/landing'));
}
}