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import React, { Fragment, useState, useEffect } from 'react';
import { useHistory } from 'react-router';
import { useTranslation } from 'react-i18next';
import { AxiosError } from 'axios';
import AppBar from '../common/AppBar';
import { userLogin, useUser } from '../data/user';
import {
Label,
FormGroup,
Input,
Form,
FormFeedback,
Spinner,
Button,
} from 'reactstrap';
const Login: React.FC = (_) => {
const { t } = useTranslation();
const history = useHistory();
const [username, setUsername] = useState<string>('');
const [usernameDirty, setUsernameDirty] = useState<boolean>(false);
const [password, setPassword] = useState<string>('');
const [passwordDirty, setPasswordDirty] = useState<boolean>(false);
const [rememberMe, setRememberMe] = useState<boolean>(true);
const [process, setProcess] = useState<boolean>(false);
const [error, setError] = useState<string | null>(null);
const user = useUser();
useEffect(() => {
if (user != null) {
const id = setTimeout(() => history.push('/'), 3000);
return () => {
clearTimeout(id);
};
}
}, [history, user]);
if (user != null) {
return (
<>
<AppBar />
<p className="mt-appbar">{t('login.alreadyLogin')}</p>
</>
);
}
function onSubmit(event: React.SyntheticEvent): void {
if (username === '' || password === '') {
setUsernameDirty(true);
setPasswordDirty(true);
return;
}
setProcess(true);
userLogin(
{
username: username,
password: password,
},
rememberMe
).then(
(_) => {
if (history.length === 0) {
history.push('/');
} else {
history.goBack();
}
},
(e: AxiosError | Error) => {
setProcess(false);
setError(e.message);
}
);
event.preventDefault();
}
return (
<Fragment>
<AppBar />
<div className="container login-container mt-appbar">
<h1>{t('welcome')}</h1>
<Form>
<FormGroup>
<Label for="username">{t('user.username')}</Label>
<Input
id="username"
disabled={process}
onChange={(e) => {
setUsername(e.target.value);
setUsernameDirty(true);
}}
value={username}
invalid={usernameDirty && username === ''}
/>
{usernameDirty && username === '' && (
<FormFeedback>{t('login.emptyUsername')}</FormFeedback>
)}
</FormGroup>
<FormGroup>
<Label for="password">{t('user.password')}</Label>
<Input
id="password"
type="password"
disabled={process}
onChange={(e) => {
setPassword(e.target.value);
setPasswordDirty(true);
}}
value={password}
invalid={passwordDirty && password === ''}
/>
{passwordDirty && password === '' && (
<FormFeedback>{t('login.emptyPassword')}</FormFeedback>
)}
</FormGroup>
<FormGroup check>
<Input
id="remember-me"
type="checkbox"
checked={rememberMe}
onChange={(e) => {
const v = (e.target as HTMLInputElement).checked;
setRememberMe(v);
}}
/>
<Label for="remember-me">{t('user.rememberMe')}</Label>
</FormGroup>
{error ? <p className="text-error">{t(error)}</p> : null}
<div>
{process ? (
<Spinner />
) : (
<Button color="primary" onClick={onSubmit}>
{t('user.login')}
</Button>
)}
</div>
</Form>
</div>
</Fragment>
);
};
export default Login;
|
