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import React, { useState } from 'react';
import { useDispatch } from 'react-redux';
import { useHistory } from 'react-router-dom';
import { sessionActions } from './store';
import Button from '@material-ui/core/Button';
import FormControl from '@material-ui/core/FormControl';
import Paper from '@material-ui/core/Paper';
import { makeStyles } from '@material-ui/core';
import TextField from '@material-ui/core/TextField';
import RegisterDialog from './RegisterDialog';
import { useSelector } from 'react-redux';
import t from './common/localization';
const useStyles = makeStyles(theme => ({
root: {
width: 'auto',
marginLeft: theme.spacing(3),
marginRight: theme.spacing(3),
[theme.breakpoints.up(400 + theme.spacing(3 * 2))]: {
width: 400,
marginLeft: 'auto',
marginRight: 'auto',
},
},
paper: {
marginTop: theme.spacing(8),
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
padding: theme.spacing(3),
},
logo: {
marginTop: theme.spacing(2)
},
buttons: {
marginTop: theme.spacing(1),
display: 'flex',
justifyContent: 'space-evenly',
'& > *': {
flexBasis: '40%',
},
},
}));
const LoginPage = () => {
const dispatch = useDispatch();
const [failed, setFailed] = useState(false);
const [email, setEmail] = useState('');
const [password, setPassword] = useState('');
const [registerDialogShown, setRegisterDialogShown] = useState(false);
const classes = useStyles();
const history = useHistory();
const registrationEnabled = useSelector(state => state.session.server ? state.session.server['registration'] : false);
const handleEmailChange = (event) => {
setEmail(event.target.value);
}
const handlePasswordChange = (event) => {
setPassword(event.target.value);
}
const handleRegister = () => {
setRegisterDialogShown(true);
}
const handleRegisterResult = () => {
setRegisterDialogShown(false);
}
const handleLogin = async (event) => {
event.preventDefault();
const response = await fetch('/api/session', { method: 'POST', body: new URLSearchParams(`email=${email}&password=${password}`) });
if (response.ok) {
const user = await response.json();
dispatch(sessionActions.updateUser(user));
history.push('/');
} else {
setFailed(true);
setPassword('');
}
}
return (
<main className={classes.root}>
<Paper className={classes.paper}>
<img className={classes.logo} src='/logo.svg' alt='Traccar' />
<form onSubmit={handleLogin}>
<TextField
margin='normal'
required
fullWidth
error={failed}
label={t('userEmail')}
name='email'
value={email}
autoComplete='email'
autoFocus
onChange={handleEmailChange}
helperText={failed && 'Invalid username or password'} />
<TextField
margin='normal'
required
fullWidth
error={failed}
label={t('userPassword')}
name='password'
value={password}
type='password'
autoComplete='current-password'
onChange={handlePasswordChange} />
<FormControl fullWidth margin='normal'>
<div className={classes.buttons}>
<Button type='button' variant='contained' onClick={handleRegister} disabled={!registrationEnabled}>
{t('loginRegister')}
</Button>
<Button type='submit' variant='contained' color='primary' disabled={!email || !password}>
{t('loginLogin')}
</Button>
</div>
</FormControl>
</form>
{registerDialogShown &&
<RegisterDialog showDialog={true} onResult={handleRegisterResult} />
}
</Paper>
</main>
);
}
export default LoginPage;
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