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import React, { useState } from 'react';
import {
Grid, useMediaQuery, makeStyles, InputLabel, Select, MenuItem, FormControl, Button, TextField, Link,
} from '@material-ui/core';
import { useTheme } from '@material-ui/core/styles';
import { useDispatch, useSelector } from 'react-redux';
import { useHistory } from 'react-router-dom';
import { sessionActions } from '../../store';
import { useLocalization, useTranslation } from '../../LocalizationProvider';
import StartPage from '../../StartPage';
import usePersistedState from '../../common/usePersistedState';
const useStyles = makeStyles((theme) => ({
logoContainer: {
textAlign: 'center',
color: theme.palette.primary.main,
},
resetPassword: {
cursor: 'pointer',
},
}));
const LoginForm = () => {
const classes = useStyles();
const dispatch = useDispatch();
const history = useHistory();
const theme = useTheme();
const t = useTranslation();
const { languages, language, setLanguage } = useLocalization();
const languageList = Object.entries(languages).map((values) => ({ code: values[0], name: values[1].name }));
const [failed, setFailed] = useState(false);
const [email, setEmail] = usePersistedState('loginEmail', '');
const [password, setPassword] = useState('');
const registrationEnabled = useSelector((state) => (state.session.server ? state.session.server.registration : false));
const emailEnabled = useSelector((state) => (state.session.server ? state.session.server.emailEnabled : false));
const handleSubmit = async (event) => {
event.preventDefault();
const response = await fetch('/api/session', {
method: 'POST',
body: new URLSearchParams(`email=${encodeURIComponent(email)}&password=${encodeURIComponent(password)}`),
});
if (response.ok) {
const user = await response.json();
dispatch(sessionActions.updateUser(user));
history.push('/');
} else {
setFailed(true);
setPassword('');
}
};
const handleSpecialKey = (e) => {
if (e.keyCode === 13 && email && password) {
handleSubmit(e);
}
};
return (
<StartPage>
<Grid container direction="column" spacing={2}>
<Grid item className={classes.logoContainer}>
<svg height="64" width="240">
<use xlinkHref="/logo.svg#img" />
</svg>
</Grid>
<Grid item>
<TextField
required
fullWidth
error={failed}
label={t('userEmail')}
name="email"
value={email}
autoComplete="email"
autoFocus={!email}
onChange={(e) => setEmail(e.target.value)}
onKeyUp={handleSpecialKey}
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"
autoFocus={!!email}
onChange={(e) => setPassword(e.target.value)}
onKeyUp={handleSpecialKey}
variant="filled"
/>
</Grid>
<Grid item>
<Button
onClick={handleSubmit}
onKeyUp={handleSpecialKey}
variant="contained"
color="secondary"
disabled={!email || !password}
fullWidth
>
{t('loginLogin')}
</Button>
</Grid>
<Grid item container spacing={2}>
<Grid item>
<Button onClick={() => history.push('/register')} disabled={!registrationEnabled} color="secondary">
{t('loginRegister')}
</Button>
</Grid>
<Grid item xs>
<FormControl variant="filled" fullWidth>
<InputLabel>{t('loginLanguage')}</InputLabel>
<Select value={language} onChange={(e) => setLanguage(e.target.value)}>
{languageList.map((it) => <MenuItem key={it.code} value={it.code}>{it.name}</MenuItem>)}
</Select>
</FormControl>
</Grid>
</Grid>
{emailEnabled && (
<Grid item container justify="flex-end">
<Grid item>
<Link onClick={() => history.push('/reset-password')} className={classes.resetPassword} underline="none">{t('loginReset')}</Link>
</Grid>
</Grid>
)}
</Grid>
</StartPage>
);
};
export default LoginForm;
|
