FurryChat/lib/views/sign_up.dart
2020-01-09 22:52:27 +01:00

187 lines
6 KiB
Dart

import 'dart:io';
import 'dart:math';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:fluffychat/utils/app_route.dart';
import 'package:fluffychat/views/login.dart';
import 'package:fluffychat/views/sign_up_password.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
class SignUp extends StatefulWidget {
@override
_SignUpState createState() => _SignUpState();
}
class _SignUpState extends State<SignUp> {
final TextEditingController usernameController = TextEditingController();
final TextEditingController serverController =
TextEditingController(text: "matrix.org");
String usernameError;
String serverError;
bool loading = false;
File avatar;
void setAvatarAction() async {
File file = await ImagePicker.pickImage(
source: ImageSource.gallery,
maxHeight: 512,
maxWidth: 512,
imageQuality: 50,
);
if (file != null) setState(() => avatar = file);
}
void signUpAction(BuildContext context) async {
MatrixState matrix = Matrix.of(context);
if (usernameController.text.isEmpty) {
setState(() => usernameError = "Please choose a username.");
} else {
setState(() => usernameError = null);
}
serverError = null;
if (usernameController.text.isEmpty) {
return;
}
final String preferredUsername =
usernameController.text.toLowerCase().replaceAll(" ", "-");
String homeserver = serverController.text;
if (homeserver.isEmpty) homeserver = defaultHomeserver;
if (!homeserver.startsWith("https://")) {
homeserver = "https://" + homeserver;
}
try {
print("[Sign Up] Check server...");
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 {
print("[Sign Up] Check if username is available...");
await matrix.client.usernameAvailable(preferredUsername);
} on MatrixException catch (exception) {
setState(() => usernameError = exception.errorMessage);
return setState(() => loading = false);
} catch (exception) {
setState(() => usernameError = exception.toString());
return setState(() => loading = false);
}
setState(() => loading = false);
await Navigator.of(context).push(
AppRoute.defaultRoute(
context,
SignUpPassword(preferredUsername,
avatar: avatar, displayname: usernameController.text),
),
);
}
@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"),
ListTile(
leading: CircleAvatar(
backgroundImage: avatar == null ? null : FileImage(avatar),
backgroundColor: avatar == null
? Colors.green
: Theme.of(context).secondaryHeaderColor,
child: avatar == null ? Icon(Icons.camera_alt) : null,
),
trailing: avatar == null
? null
: Icon(
Icons.close,
color: Colors.red,
),
title: Text(
avatar == null ? "Set a profile picture" : "Discard picture"),
onTap: avatar == null
? setAvatarAction
: () => setState(() => avatar = null),
),
ListTile(
leading: CircleAvatar(
backgroundColor: Colors.blue,
child: Icon(Icons.account_box),
),
title: TextField(
controller: usernameController,
onSubmitted: (s) => signUpAction(context),
decoration: InputDecoration(
hintText: "Username",
errorText: usernameError,
labelText: "Choose a username"),
),
),
SizedBox(height: 20),
Container(
height: 50,
child: RaisedButton(
elevation: 7,
color: Theme.of(context).primaryColor,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(50),
),
child: loading
? CircularProgressIndicator()
: Text(
"Sign up",
style: TextStyle(color: Colors.white, fontSize: 16),
),
onPressed: () => signUpAction(context),
),
),
Center(
child: FlatButton(
child: Text(
"Already have an account?",
style: TextStyle(
decoration: TextDecoration.underline,
color: Colors.blue,
),
),
onPressed: () => Navigator.of(context).push(
AppRoute.defaultRoute(
context,
Login(),
),
),
),
),
]),
);
}
}