Files
lume/apps/desktop2/src/routes/$account/home/local.lazy.tsx
T

109 lines
3.4 KiB
TypeScript

import { RepostNote } from "@/components/repost";
import { Suggest } from "@/components/suggest";
import { TextNote } from "@/components/text";
import { useArk } from "@lume/ark";
import { LoaderIcon, ArrowRightCircleIcon, InfoIcon } from "@lume/icons";
import { Event, Kind } from "@lume/types";
import { FETCH_LIMIT } from "@lume/utils";
import { useInfiniteQuery } from "@tanstack/react-query";
import { Link } from "@tanstack/react-router";
import { createLazyFileRoute } from "@tanstack/react-router";
import { Virtualizer } from "virtua";
export const Route = createLazyFileRoute("/$account/home/local")({
component: Screen,
});
function Screen() {
const ark = useArk();
const { account } = Route.useParams();
const {
data,
hasNextPage,
isLoading,
isRefetching,
isFetchingNextPage,
fetchNextPage,
} = useInfiniteQuery({
queryKey: ["local_newsfeed", account],
initialPageParam: 0,
queryFn: async ({ pageParam }: { pageParam: number }) => {
const events = await ark.get_events(
"local",
FETCH_LIMIT,
pageParam,
true,
);
return events;
},
getNextPageParam: (lastPage) => {
const lastEvent = lastPage?.at(-1);
if (!lastEvent) return;
return lastEvent.created_at - 1;
},
select: (data) => data?.pages.flatMap((page) => page),
refetchOnWindowFocus: false,
});
const renderItem = (event: Event) => {
if (!event) return;
switch (event.kind) {
case Kind.Repost:
return <RepostNote key={event.id} event={event} />;
default:
return <TextNote key={event.id} event={event} />;
}
};
return (
<div className="mx-auto flex w-full max-w-xl flex-1 flex-col">
<div className="flex-1">
{isLoading || isRefetching ? (
<div className="flex h-20 w-full flex-col items-center justify-center gap-1">
<LoaderIcon className="size-5 animate-spin" />
</div>
) : !data.length ? (
<div className="flex flex-col gap-3">
<div className="flex items-center gap-2 rounded-xl bg-neutral-100 p-3 dark:bg-neutral-900">
<InfoIcon className="size-5" />
<p>
Empty newsfeed. Or you can go to{" "}
<Link
to="/$account/home/global"
className="text-blue-500 hover:text-blue-600"
>
Global Newsfeed
</Link>
</p>
</div>
<Suggest />
</div>
) : (
<Virtualizer overscan={3}>
{data.map((item) => renderItem(item))}
</Virtualizer>
)}
<div className="flex h-20 items-center justify-center">
{hasNextPage ? (
<button
type="button"
onClick={() => fetchNextPage()}
disabled={!hasNextPage || isFetchingNextPage}
className="inline-flex h-12 w-36 items-center justify-center gap-2 rounded-full bg-neutral-100 px-3 font-medium hover:bg-neutral-200 focus:outline-none dark:bg-neutral-900 dark:hover:bg-neutral-800"
>
{isFetchingNextPage ? (
<LoaderIcon className="size-5 animate-spin" />
) : (
<>
<ArrowRightCircleIcon className="size-5" />
Load more
</>
)}
</button>
) : null}
</div>
</div>
</div>
);
}