Files
lume/src/app/chats/chat.tsx
2023-10-05 14:55:12 +07:00

112 lines
3.6 KiB
TypeScript

import { NDKEvent, NDKSubscription } from '@nostr-dev-kit/ndk';
import { useQuery } from '@tanstack/react-query';
import { useCallback, useEffect, useRef } from 'react';
import { useParams } from 'react-router-dom';
import { VList, VListHandle } from 'virtua';
import { ChatForm } from '@app/chats/components/chatForm';
import { ChatMessage } from '@app/chats/components/message';
import { useNDK } from '@libs/ndk/provider';
import { useStorage } from '@libs/storage/provider';
import { LoaderIcon } from '@shared/icons';
import { User } from '@shared/user';
import { useStronghold } from '@stores/stronghold';
import { useNostr } from '@utils/hooks/useNostr';
export function ChatScreen() {
const listRef = useRef<VListHandle>(null);
const userPrivkey = useStronghold((state) => state.privkey);
const { db } = useStorage();
const { ndk } = useNDK();
const { pubkey } = useParams();
const { fetchNIP04Messages } = useNostr();
const { status, data } = useQuery(['nip04-dm', pubkey], async () => {
return await fetchNIP04Messages(pubkey);
});
const renderItem = useCallback(
(message: NDKEvent) => {
return (
<ChatMessage
message={message}
userPubkey={db.account.pubkey}
userPrivkey={userPrivkey}
self={message.pubkey === db.account.pubkey}
/>
);
},
[data]
);
useEffect(() => {
if (data && data.length > 0) listRef.current?.scrollToIndex(data.length);
}, [data]);
useEffect(() => {
const sub: NDKSubscription = ndk.subscribe(
{
kinds: [4],
authors: [db.account.pubkey],
'#p': [pubkey],
since: Math.floor(Date.now() / 1000),
},
{
closeOnEose: false,
}
);
sub.addListener('event', (event) => {
console.log(event);
});
return () => {
sub.stop();
};
}, [pubkey]);
return (
<div className="h-full w-full p-3">
<div className="rounded-lg border-t border-white/5 bg-white/10 backdrop-blur-xl">
<div className="flex h-full flex-col justify-between overflow-hidden">
<div className="flex h-16 shrink-0 items-center border-b border-white/10 px-3">
<User pubkey={pubkey} variant="simple" />
</div>
<div className="h-full w-full flex-1 px-3 py-3">
{status === 'loading' ? (
<div className="flex h-full w-full items-center justify-center">
<div className="flex flex-col items-center gap-1.5">
<LoaderIcon className="h-5 w-5 animate-spin text-white" />
<p className="text-sm font-medium text-white/50">Loading messages</p>
</div>
</div>
) : data.length === 0 ? (
<div className="absolute left-1/2 top-1/2 flex w-full -translate-x-1/2 -translate-y-1/2 transform flex-col gap-1 text-center">
<h3 className="mb-2 text-4xl">🙌</h3>
<p className="leading-none text-white/50">
You two didn&apos;t talk yet, let&apos;s send first message
</p>
</div>
) : (
<VList ref={listRef} className="scrollbar-hide h-full" mode="reverse">
{data.map((message) => renderItem(message))}
</VList>
)}
</div>
<div className="z-50 shrink-0 rounded-b-lg border-t border-white/5 bg-white/10 p-3 backdrop-blur-xl">
<ChatForm
receiverPubkey={pubkey}
userPubkey={db.account.pubkey}
userPrivkey={userPrivkey}
/>
</div>
</div>
</div>
</div>
);
}