Files
lume/src/shared/widgets/file.tsx
2023-11-30 17:24:07 +07:00

119 lines
3.9 KiB
TypeScript

import { NDKEvent } from '@nostr-dev-kit/ndk';
import { useInfiniteQuery } from '@tanstack/react-query';
import { FetchFilter } from 'nostr-fetch';
import { useMemo } from 'react';
import { VList } from 'virtua';
import { useNDK } from '@libs/ndk/provider';
import { useStorage } from '@libs/storage/provider';
import { ArrowRightCircleIcon, LoaderIcon } from '@shared/icons';
import { MemoizedFileNote } from '@shared/notes';
import { TitleBar } from '@shared/titleBar';
import { WidgetWrapper } from '@shared/widgets';
import { FETCH_LIMIT } from '@utils/constants';
import { Widget } from '@utils/types';
export function FileWidget({ widget }: { widget: Widget }) {
const { db } = useStorage();
const { ndk, relayUrls, fetcher } = useNDK();
const { status, data, hasNextPage, isFetchingNextPage, fetchNextPage } =
useInfiniteQuery({
queryKey: ['media', widget.id],
initialPageParam: 0,
queryFn: async ({
signal,
pageParam,
}: {
signal: AbortSignal;
pageParam: number;
}) => {
let filter: FetchFilter;
const content = JSON.parse(widget.content);
if (content.global) {
filter = {
kinds: [1063],
};
} else {
filter = {
kinds: [1063],
authors: db.account.contacts,
};
}
const events = await fetcher.fetchLatestEvents(relayUrls, filter, FETCH_LIMIT, {
asOf: pageParam === 0 ? undefined : pageParam,
abortSignal: signal,
});
const ndkEvents = events.map((event) => {
return new NDKEvent(ndk, event);
});
return ndkEvents.sort((a, b) => b.created_at - a.created_at);
},
getNextPageParam: (lastPage) => {
const lastEvent = lastPage.at(-1);
if (!lastEvent) return;
return lastEvent.created_at - 1;
},
refetchOnWindowFocus: false,
refetchOnReconnect: false,
});
const allEvents = useMemo(
() => (data ? data.pages.flatMap((page) => page) : []),
[data]
);
return (
<WidgetWrapper>
<TitleBar id={widget.id} title={widget.title} />
<VList className="flex-1">
{status === 'pending' ? (
<div className="flex h-full w-full items-center justify-center">
<LoaderIcon className="h-5 w-5 animate-spin" />
</div>
) : allEvents.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="font-semibold leading-tight text-neutral-900 dark:text-neutral-100">
Oops, it looks like there are no files.
</h3>
<p className="text-neutral-500 dark:text-neutral-400">
You can close this widget
</p>
</div>
</div>
</div>
) : (
allEvents.map((item) => <MemoizedFileNote key={item.id} event={item} />)
)}
<div className="flex h-16 items-center justify-center px-3 pb-3">
{hasNextPage ? (
<button
type="button"
onClick={() => fetchNextPage()}
disabled={!hasNextPage || isFetchingNextPage}
className="inline-flex h-10 w-max items-center justify-center gap-2 rounded-full bg-blue-500 px-6 font-medium text-white hover:bg-blue-600 focus:outline-none"
>
{isFetchingNextPage ? (
<LoaderIcon className="h-4 w-4 animate-spin" />
) : (
<>
<ArrowRightCircleIcon className="h-5 w-5" />
Load more
</>
)}
</button>
) : null}
</div>
</VList>
</WidgetWrapper>
);
}