TelegramPWA/src/components/auth/AuthQrCode.tsx
2021-08-16 14:21:22 +03:00

118 lines
3.5 KiB
TypeScript

import QrCreator from 'qr-creator';
import React, {
FC, useEffect, useRef, memo, useCallback,
} from '../../lib/teact/teact';
import { withGlobal } from '../../lib/teact/teactn';
import { GlobalState, GlobalActions } from '../../global/types';
import { LangCode } from '../../types';
import { pick } from '../../util/iteratees';
import { setLanguage } from '../../util/langProvider';
import renderText from '../common/helpers/renderText';
import useLangString from '../../hooks/useLangString';
import useFlag from '../../hooks/useFlag';
import useLang from '../../hooks/useLang';
import { getSuggestedLanguage } from './helpers/getSuggestedLanguage';
import Loading from '../ui/Loading';
import Button from '../ui/Button';
type StateProps = Pick<GlobalState, 'connectionState' | 'authState' | 'authQrCode'> & {
language?: LangCode;
};
type DispatchProps = Pick<GlobalActions, (
'returnToAuthPhoneNumber' | 'setSettingOption'
)>;
const DATA_PREFIX = 'tg://login?token=';
const AuthCode: FC<StateProps & DispatchProps> = ({
connectionState,
authState,
authQrCode,
language,
returnToAuthPhoneNumber,
setSettingOption,
}) => {
const suggestedLanguage = getSuggestedLanguage();
const lang = useLang();
// eslint-disable-next-line no-null/no-null
const qrCodeRef = useRef<HTMLDivElement>(null);
const continueText = useLangString(suggestedLanguage, 'ContinueOnThisLanguage');
const [isLoading, markIsLoading, unmarkIsLoading] = useFlag();
useEffect(() => {
if (!authQrCode || connectionState !== 'connectionStateReady') {
return;
}
const container = qrCodeRef.current!;
container.innerHTML = '';
container.classList.remove('pre-animate');
QrCreator.render({
text: `${DATA_PREFIX}${authQrCode.token}`,
radius: 0.5,
ecLevel: 'M',
fill: '#4E96D4',
size: 280,
}, container);
}, [connectionState, authQrCode]);
const handleLangChange = useCallback(() => {
markIsLoading();
void setLanguage(suggestedLanguage, () => {
unmarkIsLoading();
setSettingOption({ language: suggestedLanguage });
});
}, [markIsLoading, setSettingOption, suggestedLanguage, unmarkIsLoading]);
const isAuthReady = authState === 'authorizationStateWaitQrCode';
return (
<div id="auth-qr-form" className="custom-scroll">
<div className="auth-form qr">
{authQrCode ? (
<div key="qr-container" className="qr-container pre-animate" ref={qrCodeRef} />
) : (
<div key="qr-loading" className="qr-loading"><Loading /></div>
)}
<h3>{lang('Login.QR.Title')}</h3>
<ol>
<li><span>{lang('Login.QR.Help1')}</span></li>
<li><span>{renderText(lang('Login.QR.Help2'), ['simple_markdown'])}</span></li>
<li><span>{lang('Login.QR.Help3')}</span></li>
</ol>
{isAuthReady && (
<Button isText onClick={returnToAuthPhoneNumber}>{lang('Login.QR.Cancel')}</Button>
)}
{suggestedLanguage && suggestedLanguage !== language && continueText && (
<Button isText isLoading={isLoading} onClick={handleLangChange}>{continueText}</Button>
)}
</div>
</div>
);
};
export default memo(withGlobal(
(global): StateProps => {
const {
connectionState, authState, authQrCode, settings: { byKey: { language } },
} = global;
return {
connectionState,
authState,
authQrCode,
language,
};
},
(setGlobal, actions): DispatchProps => pick(actions, [
'returnToAuthPhoneNumber', 'setSettingOption',
]),
)(AuthCode));