121 lines
4.6 KiB
Dart
121 lines
4.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:vikunja_app/global.dart';
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import 'package:vikunja_app/main.dart';
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class LoginPage extends StatefulWidget {
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@override
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_LoginPageState createState() => _LoginPageState();
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}
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final RegExp _url = new RegExp(
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r'https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)');
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class _LoginPageState extends State<LoginPage> {
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final _formKey = GlobalKey<FormState>();
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String _server, _username, _password;
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bool _loading = false;
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@override
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Widget build(BuildContext ctx) {
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return Scaffold(
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appBar: AppBar(
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title: Text('Login to Vikunja'),
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),
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body: Builder(
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builder: (BuildContext context) => SafeArea(
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top: false,
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bottom: false,
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child: Form(
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autovalidate: true,
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key: _formKey,
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child: ListView(
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padding: const EdgeInsets.symmetric(horizontal: 16.0),
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children: <Widget>[
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Image(
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image: AssetImage('assets/vikunja_logo.png'),
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height: 128.0,
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semanticLabel: 'Vikunja Logo',
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),
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),
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Padding(
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padding: EdgeInsets.all(8.0),
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child: TextFormField(
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onSaved: (serverAddress) => _server = serverAddress,
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validator: (address) {
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var hasMatch = _url.hasMatch(address);
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return hasMatch ? null : 'Invalid URL';
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},
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decoration: new InputDecoration(
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labelText: 'Server Address'),
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),
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: TextFormField(
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onSaved: (username) => _username = username,
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decoration:
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new InputDecoration(labelText: 'Username'),
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),
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),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: TextFormField(
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onSaved: (password) => _password = password,
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decoration:
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new InputDecoration(labelText: 'Password'),
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obscureText: true,
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),
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),
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Builder(
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builder: (context) => ButtonTheme(
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height: _loading ? 55.0 : 36.0,
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child: RaisedButton(
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onPressed: !_loading
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? () {
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if (_formKey.currentState
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.validate()) {
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Form.of(context).save();
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_loginUser(context);
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}
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}
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: null,
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child: _loading
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? CircularProgressIndicator()
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: Text('Login'),
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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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_loginUser(BuildContext context) async {
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setState(() => _loading = true);
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try {
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var vGlobal = VikunjaGlobal.of(context);
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var newUser =
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await vGlobal.newLoginService(_server).login(_username, _password);
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vGlobal.changeUser(newUser.user, token: newUser.token, base: _server);
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} catch (ex) {
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print(ex);
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showDialog(
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context: context,
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builder: (context) => new AlertDialog(
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title:
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const Text('Login failed! Please check you credentials.'),
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actions: <Widget>[
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FlatButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('CLOSE'))
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],
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));
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} finally {
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setState(() {
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_loading = false;
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});
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}
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}
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}
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