Files
lume/src/components/note/connector.tsx
2023-03-16 14:54:31 +07:00

80 lines
2.4 KiB
TypeScript

import { DatabaseContext } from '@components/contexts/database';
import { RelayContext } from '@components/contexts/relay';
import { atomHasNewerNote } from '@stores/note';
import { dateToUnix, hoursAgo } from '@utils/getDate';
import { SliderIcon } from '@radix-ui/react-icons';
import { useLocalStorage } from '@rehooks/local-storage';
import { useSetAtom } from 'jotai';
import { memo, useCallback, useContext, useEffect, useRef } from 'react';
export const NoteConnector = memo(function NoteConnector() {
const { db }: any = useContext(DatabaseContext);
const relayPool: any = useContext(RelayContext);
const [follows]: any = useLocalStorage('follows');
const [relays]: any = useLocalStorage('relays');
const setHasNewerNote = useSetAtom(atomHasNewerNote);
const now = useRef(new Date());
const insertDB = useCallback(
async (event: any) => {
// insert to local database
await db.execute(
`INSERT OR IGNORE INTO
cache_notes
(id, pubkey, created_at, kind, tags, content) VALUES
(
"${event.id}",
"${event.pubkey}",
"${event.created_at}",
"${event.kind}",
'${JSON.stringify(event.tags)}',
'${JSON.stringify(event.content)}'
);`
);
},
[db]
);
const fetchEvent = useCallback(() => {
relayPool.subscribe(
[
{
kinds: [1],
authors: follows,
since: dateToUnix(hoursAgo(12, now.current)),
},
],
relays,
(event: any) => {
// insert event to local database
insertDB(event).catch(console.error);
// ask user load newer note
if (event.created_at > dateToUnix(now.current)) {
setHasNewerNote(true);
}
}
);
}, [relayPool, follows, relays, insertDB, setHasNewerNote]);
useEffect(() => {
fetchEvent();
}, [fetchEvent]);
return (
<>
<div className="inline-flex items-center gap-1 rounded-md py-1 px-1.5 hover:bg-zinc-900">
<span className="relative flex h-1.5 w-1.5">
<span className="absolute inline-flex h-full w-full animate-ping rounded-full bg-green-400 opacity-75"></span>
<span className="relative inline-flex h-1.5 w-1.5 rounded-full bg-green-500"></span>
</span>
<p className="text-xs font-medium text-zinc-500">Relays</p>
</div>
</>
);
});