fluffychat/lib/views/login.dart
2020-01-04 09:16:29 +01:00

150 lines
4.8 KiB
Dart

import 'dart:math';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:flutter/material.dart';
const String defaultHomeserver = "https://matrix.org";
class LoginPage extends StatefulWidget {
@override
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
final TextEditingController usernameController = TextEditingController();
final TextEditingController passwordController = TextEditingController();
final TextEditingController serverController =
TextEditingController(text: "matrix.org");
String usernameError;
String passwordError;
String serverError;
bool loading = false;
void login(BuildContext context) async {
MatrixState matrix = Matrix.of(context);
if (usernameController.text.isEmpty) {
setState(() => usernameError = "Please enter your username.");
print("Please enter your username.");
} else {
setState(() => usernameError = null);
}
if (passwordController.text.isEmpty) {
setState(() => passwordError = "Please enter your password.");
} else {
setState(() => passwordError = null);
}
serverError = null;
if (usernameController.text.isEmpty || passwordController.text.isEmpty) {
return;
}
String homeserver = serverController.text;
if (homeserver.isEmpty) homeserver = defaultHomeserver;
if (!homeserver.startsWith("https://")) {
homeserver = "https://" + homeserver;
}
try {
setState(() => loading = true);
if (!await matrix.client.checkServer(homeserver)) {
setState(() => serverError = "Homeserver is not compatible.");
return setState(() => loading = false);
}
} catch (exception) {
setState(() => serverError = "Connection attempt failed!");
return setState(() => loading = false);
}
try {
await matrix.client
.login(usernameController.text, passwordController.text);
} on MatrixException catch (exception) {
setState(() => passwordError = exception.errorMessage);
return setState(() => loading = false);
} catch (exception) {
setState(() => passwordError = exception.toString());
return setState(() => loading = false);
}
await Matrix.of(context).saveAccount();
setState(() => loading = false);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: TextField(
controller: serverController,
decoration: InputDecoration(
icon: Icon(Icons.domain),
hintText: "matrix.org",
errorText: serverError,
errorMaxLines: 1,
prefixText: "https://",
labelText: serverError == null ? "Homeserver" : serverError),
),
),
body: ListView(
padding: EdgeInsets.symmetric(
vertical: 16,
horizontal: max((MediaQuery.of(context).size.width - 600) / 2, 16)),
children: <Widget>[
Image.asset("assets/fluffychat-banner.png"),
TextField(
controller: usernameController,
decoration: InputDecoration(
hintText: "@username:domain",
icon: Icon(Icons.account_box),
errorText: usernameError,
labelText: "Username"),
),
TextField(
controller: passwordController,
obscureText: true,
onSubmitted: (t) => login(context),
decoration: InputDecoration(
icon: Icon(Icons.vpn_key),
hintText: "****",
errorText: passwordError,
labelText: "Password"),
),
SizedBox(height: 20),
Card(
elevation: 7,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(50),
),
child: Container(
width: 120.0,
height: 50.0,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(50),
gradient: LinearGradient(
begin: Alignment.bottomLeft,
end: Alignment.topRight,
colors: <Color>[
Colors.blue,
Theme.of(context).primaryColor,
],
),
),
child: RawMaterialButton(
onPressed: () => loading ? null : login(context),
splashColor: Colors.grey,
child: loading
? CircularProgressIndicator()
: Text(
"Login",
style: TextStyle(color: Colors.white, fontSize: 20.0),
),
),
),
),
],
),
);
}
}