refactor widget
This commit is contained in:
Ren Amamiya
241
src/shared/widgets/local/network.tsx
Normal file
241
src/shared/widgets/local/network.tsx
Normal file
@@ -0,0 +1,241 @@
|
||||
import { NDKEvent, NDKFilter, NDKKind } from '@nostr-dev-kit/ndk';
|
||||
import { useInfiniteQuery } from '@tanstack/react-query';
|
||||
import { useVirtualizer } from '@tanstack/react-virtual';
|
||||
import { useCallback, useEffect, useMemo, useRef } from 'react';
|
||||
|
||||
import { useStorage } from '@libs/storage/provider';
|
||||
|
||||
import { ArrowRightCircleIcon, LoaderIcon } from '@shared/icons';
|
||||
import {
|
||||
ArticleNote,
|
||||
FileNote,
|
||||
NoteWrapper,
|
||||
Repost,
|
||||
TextNote,
|
||||
UnknownNote,
|
||||
} from '@shared/notes';
|
||||
import { NoteSkeleton } from '@shared/notes/skeleton';
|
||||
import { TitleBar } from '@shared/titleBar';
|
||||
|
||||
import { useNostr } from '@utils/hooks/useNostr';
|
||||
import { toRawEvent } from '@utils/rawEvent';
|
||||
import { DBEvent } from '@utils/types';
|
||||
|
||||
export function LocalNetworkWidget() {
|
||||
const { sub } = useNostr();
|
||||
const { db } = useStorage();
|
||||
const { status, data, hasNextPage, isFetchingNextPage, fetchNextPage } =
|
||||
useInfiniteQuery({
|
||||
queryKey: ['local-network-widget'],
|
||||
queryFn: async ({ pageParam = 0 }) => {
|
||||
return await db.getAllEvents(30, pageParam);
|
||||
},
|
||||
getNextPageParam: (lastPage) => lastPage.nextCursor,
|
||||
});
|
||||
|
||||
const dbEvents = useMemo(
|
||||
() => (data ? data.pages.flatMap((d: { data: DBEvent[] }) => d.data) : []),
|
||||
[data]
|
||||
);
|
||||
const parentRef = useRef<HTMLDivElement>();
|
||||
const virtualizer = useVirtualizer({
|
||||
count: hasNextPage ? dbEvents.length : dbEvents.length,
|
||||
getScrollElement: () => parentRef.current,
|
||||
estimateSize: () => 650,
|
||||
overscan: 4,
|
||||
});
|
||||
const items = virtualizer.getVirtualItems();
|
||||
|
||||
// render event match event kind
|
||||
const renderItem = useCallback(
|
||||
(index: string | number) => {
|
||||
const dbEvent: DBEvent = dbEvents[index];
|
||||
if (!dbEvent) return;
|
||||
|
||||
const event: NDKEvent = JSON.parse(dbEvent.event as string);
|
||||
switch (event.kind) {
|
||||
case NDKKind.Text:
|
||||
return (
|
||||
<div
|
||||
key={dbEvent.id + index}
|
||||
data-index={index}
|
||||
ref={virtualizer.measureElement}
|
||||
>
|
||||
<NoteWrapper event={event} root={dbEvent.root_id} reply={dbEvent.reply_id}>
|
||||
<TextNote event={event} />
|
||||
</NoteWrapper>
|
||||
</div>
|
||||
);
|
||||
case NDKKind.Repost:
|
||||
return (
|
||||
<div
|
||||
key={dbEvent.id + index}
|
||||
data-index={index}
|
||||
ref={virtualizer.measureElement}
|
||||
>
|
||||
<Repost key={dbEvent.id} event={event} />
|
||||
</div>
|
||||
);
|
||||
case 1063:
|
||||
return (
|
||||
<div
|
||||
key={dbEvent.id + index}
|
||||
data-index={index}
|
||||
ref={virtualizer.measureElement}
|
||||
>
|
||||
<NoteWrapper event={event}>
|
||||
<FileNote event={event} />
|
||||
</NoteWrapper>
|
||||
</div>
|
||||
);
|
||||
case NDKKind.Article:
|
||||
return (
|
||||
<div
|
||||
key={dbEvent.id + index}
|
||||
data-index={index}
|
||||
ref={virtualizer.measureElement}
|
||||
>
|
||||
<NoteWrapper event={event}>
|
||||
<ArticleNote event={event} />
|
||||
</NoteWrapper>
|
||||
</div>
|
||||
);
|
||||
default:
|
||||
return (
|
||||
<div
|
||||
key={dbEvent.id + index}
|
||||
data-index={index}
|
||||
ref={virtualizer.measureElement}
|
||||
>
|
||||
<NoteWrapper event={event}>
|
||||
<UnknownNote event={event} />
|
||||
</NoteWrapper>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
},
|
||||
[dbEvents]
|
||||
);
|
||||
|
||||
// subscribe for new event
|
||||
// sub will be managed by lru-cache
|
||||
useEffect(() => {
|
||||
if (db.account && db.account.network) {
|
||||
const filter: NDKFilter = {
|
||||
kinds: [1, 6],
|
||||
authors: db.account.network,
|
||||
since: db.account.last_login_at ?? Math.floor(Date.now() / 1000),
|
||||
};
|
||||
|
||||
sub(
|
||||
filter,
|
||||
async (event) => {
|
||||
let root: string;
|
||||
let reply: string;
|
||||
|
||||
if (event.tags?.[0]?.[0] === 'e' && !event.tags?.[0]?.[3]) {
|
||||
root = event.tags[0][1];
|
||||
} else {
|
||||
root = event.tags.find((el) => el[3] === 'root')?.[1];
|
||||
reply = event.tags.find((el) => el[3] === 'reply')?.[1];
|
||||
}
|
||||
|
||||
const rawEvent = toRawEvent(event);
|
||||
|
||||
await db.createEvent(
|
||||
event.id,
|
||||
JSON.stringify(rawEvent),
|
||||
event.pubkey,
|
||||
event.kind,
|
||||
root,
|
||||
reply,
|
||||
event.created_at
|
||||
);
|
||||
},
|
||||
false // don't close sub on eose
|
||||
);
|
||||
}
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<div className="relative shrink-0 grow-0 basis-[400px] bg-white/10 backdrop-blur-xl">
|
||||
<TitleBar title="👋 Network" />
|
||||
<div ref={parentRef} className="scrollbar-hide h-full overflow-y-auto pb-20">
|
||||
{status === 'loading' ? (
|
||||
<div className="px-3 py-1.5">
|
||||
<div className="rounded-xl bg-white/10 px-3 py-3 backdrop-blur-xl">
|
||||
<NoteSkeleton />
|
||||
</div>
|
||||
</div>
|
||||
) : dbEvents.length === 0 ? (
|
||||
<div className="flex h-full w-full flex-col items-center justify-center px-3">
|
||||
<div className="flex flex-col items-center gap-4">
|
||||
<img src="/ghost.png" alt="empty feeds" className="h-16 w-16" />
|
||||
<div className="text-center">
|
||||
<h3 className="text-xl font-semibold leading-tight">
|
||||
Your newsfeed is empty
|
||||
</h3>
|
||||
<p className="text-center text-white/50">
|
||||
Connect more people to explore more content
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
) : (
|
||||
<div
|
||||
style={{
|
||||
position: 'relative',
|
||||
width: '100%',
|
||||
height: `${virtualizer.getTotalSize()}px`,
|
||||
}}
|
||||
>
|
||||
<div
|
||||
className="absolute left-0 top-0 w-full"
|
||||
style={{
|
||||
transform: `translateY(${items[0].start}px)`,
|
||||
}}
|
||||
>
|
||||
{items.map((item) => renderItem(item.index))}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
{isFetchingNextPage && (
|
||||
<div className="mb-20 px-3">
|
||||
<div className="rounded-xl bg-white/10 px-3 py-3 backdrop-blur-xl">
|
||||
<NoteSkeleton />
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
<div className="px-3 py-1.5">
|
||||
{dbEvents.length > 0 ? (
|
||||
<button
|
||||
onClick={() => fetchNextPage()}
|
||||
disabled={!hasNextPage || isFetchingNextPage}
|
||||
className="inline-flex h-11 w-full items-center justify-between gap-2 rounded-lg bg-fuchsia-500 px-6 font-medium leading-none text-white hover:bg-fuchsia-600 focus:outline-none"
|
||||
>
|
||||
{isFetchingNextPage ? (
|
||||
<>
|
||||
<span className="w-5" />
|
||||
<span>Loading...</span>
|
||||
<LoaderIcon className="h-5 w-5 animate-spin text-white" />
|
||||
</>
|
||||
) : hasNextPage ? (
|
||||
<>
|
||||
<span className="w-5" />
|
||||
<span>Load more</span>
|
||||
<ArrowRightCircleIcon className="h-5 w-5" />
|
||||
</>
|
||||
) : (
|
||||
<>
|
||||
<span className="w-5" />
|
||||
<span>Nothing more to load</span>
|
||||
<ArrowRightCircleIcon className="h-5 w-5" />
|
||||
</>
|
||||
)}
|
||||
</button>
|
||||
) : null}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
Reference in New Issue
Block a user