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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 { Grid, useMediaQuery, makeStyles, InputLabel, Select, MenuItem, FormControl, Button, TextField, Paper, Link } from '@material-ui/core';
import { useTheme } from '@material-ui/core/styles';
import RegisterDialog from './RegisterDialog';
import { useSelector } from 'react-redux';
import t from './common/localization';
import Logo from './Logo';
const useStyles = makeStyles(theme => ({
root: {
display: 'flex',
height: '100vh',
},
sidebar: {
display: 'flex',
justifyContent: 'center',
alignItems: 'center',
background: theme.palette.common.purple,
paddingBottom: theme.spacing(5),
width: theme.dimensions.sidebarWidth,
[theme.breakpoints.down('md')]: {
width: theme.dimensions.tabletSidebarWidth,
},
[theme.breakpoints.down('xs')]: {
width: '0px',
},
},
paper: {
display:'flex',
flexDirection: 'column',
justifyContent: 'center',
alignItems: 'center',
flex: 1,
boxShadow: '-2px 0px 16px rgba(0, 0, 0, 0.25)',
[theme.breakpoints.up('lg')]: {
padding: theme.spacing(0, 25, 0, 0)
},
},
form: {
maxWidth: theme.spacing(52),
padding: theme.spacing(5),
width: "100%",
},
logo: {
textAlign: 'center',
},
}));
const LoginPage = () => {
const classes = useStyles();
const theme = useTheme();
const dispatch = useDispatch();
const history = useHistory();
const [failed, setFailed] = useState(false);
const [email, setEmail] = useState('');
const [password, setPassword] = useState('');
const [registerDialogShown, setRegisterDialogShown] = useState(false);
const registrationEnabled = useSelector(state => state.session.server ? state.session.server['registration'] : false);
const matches = useMediaQuery(theme.breakpoints.down('md'));
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}>
<div className={classes.sidebar}>
{!matches && <Logo fill='#fff'/> }
</div>
<Paper className={classes.paper}>
<form className={classes.form} onSubmit={handleLogin}>
<Grid container direction='column' spacing={3}>
<Grid item className={classes.logo}>
{matches && <Logo fill='#333366'/>}
</Grid>
<Grid item>
<TextField
required
fullWidth
error={failed}
label={t('userEmail')}
name='email'
value={email}
autoComplete='email'
autoFocus
onChange={handleEmailChange}
helperText={failed && 'Invalid username or password'}
variant='filled' />
</Grid>
<Grid item>
<TextField
required
fullWidth
error={failed}
label={t('userPassword')}
name='password'
value={password}
type='password'
autoComplete='current-password'
onChange={handlePasswordChange}
variant='filled' />
</Grid>
<Grid item>
<Button
type='submit'
variant='contained'
color='secondary'
disabled={!email || !password}
fullWidth>
{t('loginLogin')}
</Button>
</Grid>
<Grid item container>
<Grid item>
<Button onClick={handleRegister} disabled={!registrationEnabled} color="secondary">
{t('loginRegister')}
</Button>
</Grid>
<Grid item xs>
<FormControl variant="filled" fullWidth>
<InputLabel>{t('loginLanguage')}</InputLabel>
<Select>
<MenuItem value="en">English</MenuItem>
</Select>
</FormControl>
</Grid>
</Grid>
<Grid item container justify="flex-end">
<Grid item>
<Link underline="none">{t('loginReset')}</Link>
</Grid>
</Grid>
</Grid>
</form>
</Paper>
</main>
)
}
export default LoginPage;
|
