Files
lume/src/components/user/followButton.tsx
雨宮蓮 f0fc89724d feat: improve performance (#234)
* feat: use negentropy as much as possible

* update

* update
2024-09-29 16:53:39 +07:00

70 lines
1.6 KiB
TypeScript

import { commands } from "@/commands.gen";
import { cn } from "@/commons";
import { Spinner } from "@/components";
import { useQuery } from "@tanstack/react-query";
import { useRouteContext } from "@tanstack/react-router";
import { message } from "@tauri-apps/plugin-dialog";
import { useTransition } from "react";
import { useUserContext } from "./provider";
export function UserFollowButton({ className }: { className?: string }) {
const user = useUserContext();
const { queryClient } = useRouteContext({ strict: false });
const {
isLoading,
isError,
data: isFollow,
} = useQuery({
queryKey: ["status", user.pubkey],
queryFn: async () => {
const res = await commands.checkContact(user.pubkey);
if (res.status === "ok") {
return res.data;
} else {
throw new Error(res.error);
}
},
refetchOnWindowFocus: false,
});
const [isPending, startTransition] = useTransition();
const toggleFollow = () => {
startTransition(async () => {
const res = await commands.toggleContact(user.pubkey, null);
if (res.status === "ok") {
queryClient.setQueryData(
["status", user.pubkey],
(prev: boolean) => !prev,
);
// invalidate cache
await queryClient.invalidateQueries({
queryKey: ["status", user.pubkey],
});
return;
} else {
await message(res.error, { kind: "error" });
return;
}
});
};
return (
<button
type="button"
disabled={isPending}
onClick={() => toggleFollow()}
className={cn("w-max gap-1", className)}
>
{isError ? "Error" : null}
{isPending || isLoading ? <Spinner className="size-3" /> : null}
{isFollow ? "Unfollow" : "Follow"}
</button>
);
}