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import React from 'react';
import ContentHeader from './ContentHeader';
import ConnectionTable from './ConnectionTable';
import useRemainingViewPortHeight from '../hooks/useRemainingViewPortHeight';
import { getClashAPIConfig } from '../store/app';
import { X as IconClose } from 'react-feather';
import SvgYacd from './SvgYacd';
import Button from './Button';
import ModalCloseAllConnections from './ModalCloseAllConnections';
import { connect } from './StateProvider';
import * as connAPI from '../api/connections';
import s from './Connections.module.css';
const { useEffect, useState, useRef, useCallback, useMemo } = React;
const paddingBottom = 30;
function formatConnectionDataItem(i) {
const { id, metadata, upload, download, start, chains, rule } = i;
const { host, destinationPort } = metadata;
const metadataNext = {
...metadata,
// merge host and destinationPort into one column
host: host + ':' + destinationPort
};
// const started = formatDistance(new Date(start), now);
return {
id,
upload,
download,
start: 0 - new Date(start),
chains: chains.reverse().join(' / '),
rule,
...metadataNext
};
}
function Conn({ apiConfig }) {
const [refContainer, containerHeight] = useRemainingViewPortHeight();
const [conns, setConns] = useState([]);
const [isCloseAllModalOpen, setIsCloseAllModalOpen] = useState(false);
const openCloseAllModal = useCallback(() => setIsCloseAllModalOpen(true), []);
const closeCloseAllModal = useCallback(
() => setIsCloseAllModalOpen(false),
[]
);
const closeAllConnections = useCallback(() => {
connAPI.closeAllConnections(apiConfig);
closeCloseAllModal();
}, [apiConfig, closeCloseAllModal]);
const iconClose = useMemo(() => <IconClose width={16} />, []);
const prevConnsRef = useRef(conns);
const read = useCallback(
({ connections }) => {
const x = connections.map(c => formatConnectionDataItem(c));
// if previous connections and current connections are both empty
// arrays, we wont update state to avaoid rerender
if (x && (x.length !== 0 || prevConnsRef.current.length !== 0)) {
prevConnsRef.current = x;
setConns(x);
} else {
prevConnsRef.current = x;
}
},
[setConns]
);
useEffect(() => {
return connAPI.fetchData(apiConfig, read);
}, [apiConfig, read]);
return (
<div>
<ContentHeader title="Connections" />
<div
ref={refContainer}
style={{ padding: 30, paddingBottom, paddingTop: 0 }}
>
<div
style={{ height: containerHeight - paddingBottom, overflow: 'auto' }}
>
{conns.length > 0 ? (
<ConnectionTable data={conns} />
) : (
<div className={s.placeHolder}>
<SvgYacd width={200} height={200} c1="var(--color-text)" />
</div>
)}
</div>
</div>
<div className="fabgrp">
<Button text="Close" start={iconClose} onClick={openCloseAllModal} />
</div>
<ModalCloseAllConnections
isOpen={isCloseAllModalOpen}
primaryButtonOnTap={closeAllConnections}
onRequestClose={closeCloseAllModal}
/>
</div>
);
}
const mapState = s => ({
apiConfig: getClashAPIConfig(s)
});
export default connect(mapState)(Conn);
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