logout-from-chats.tsx

import { useMutation, useQueryClient } from "@tanstack/react-query";
import { ChatQueries } from "../queries";
import { useContext } from "react";
import { NostrQueries } from "../nostr";
import { ChatContext } from "../chat-context-provider";

export function useLogoutFromChats() {
  const queryClient = useQueryClient();
  const { activeUsername, storage } = useContext(ChatContext);

  return useMutation({
    mutationKey: ["chats/logout-from-chats"],
    mutationFn: async () => {
      storage?.removeItem("ecency_nostr_pr_" + activeUsername);
      queryClient.setQueryData([NostrQueries.PUBLIC_KEY, activeUsername], "");
      queryClient.setQueryData([NostrQueries.PRIVATE_KEY, activeUsername], "");
      queryClient.setQueryData(
        [ChatQueries.JOINED_CHANNELS, activeUsername],
        [],
      );
      queryClient.setQueryData(
        [ChatQueries.ORIGINAL_JOINED_CHANNELS, activeUsername],
        [],
      );
      queryClient.setQueryData(
        [ChatQueries.ORIGINAL_DIRECT_CONTACTS, activeUsername],
        [],
      );
      queryClient.setQueryData(
        [ChatQueries.DIRECT_CONTACTS, activeUsername],
        [],
      );
    },
  });
}