93 lines
2.9 KiB
TypeScript
93 lines
2.9 KiB
TypeScript
import clsx from 'clsx';
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import React, { useRef, useState } from 'react';
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import { Virtuoso } from 'react-virtuoso';
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import { fetchChats } from 'soapbox/actions/chats';
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import PullToRefresh from 'soapbox/components/pull-to-refresh';
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import { Spinner, Stack } from 'soapbox/components/ui';
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import PlaceholderChat from 'soapbox/features/placeholder/components/placeholder-chat';
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import { useAppDispatch } from 'soapbox/hooks';
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import { useChats } from 'soapbox/queries/chats';
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import ChatListItem from './chat-list-item';
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interface IChatList {
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onClickChat: (chat: any) => void,
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useWindowScroll?: boolean,
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searchValue?: string
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}
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const ChatList: React.FC<IChatList> = ({ onClickChat, useWindowScroll = false, searchValue }) => {
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const dispatch = useAppDispatch();
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const chatListRef = useRef(null);
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const { chatsQuery: { data: chats, isFetching, hasNextPage, fetchNextPage } } = useChats(searchValue);
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const [isNearBottom, setNearBottom] = useState<boolean>(false);
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const [isNearTop, setNearTop] = useState<boolean>(true);
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const handleLoadMore = () => {
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if (hasNextPage && !isFetching) {
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fetchNextPage();
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}
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};
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const handleRefresh = () => dispatch(fetchChats());
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const renderEmpty = () => {
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if (isFetching) {
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return (
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<Stack space={2}>
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<PlaceholderChat />
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<PlaceholderChat />
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<PlaceholderChat />
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</Stack>
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);
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}
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return null;
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};
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return (
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<div className='relative h-full'>
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<PullToRefresh onRefresh={handleRefresh}>
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<Virtuoso
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ref={chatListRef}
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atTopStateChange={(atTop) => setNearTop(atTop)}
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atBottomStateChange={(atBottom) => setNearBottom(atBottom)}
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useWindowScroll={useWindowScroll}
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data={chats}
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endReached={handleLoadMore}
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itemContent={(_index, chat) => (
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<div className='px-2'>
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<ChatListItem chat={chat} onClick={onClickChat} />
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</div>
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)}
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components={{
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ScrollSeekPlaceholder: () => <PlaceholderChat />,
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Footer: () => hasNextPage ? <Spinner withText={false} /> : null,
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EmptyPlaceholder: renderEmpty,
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}}
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/>
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</PullToRefresh>
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<>
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<div
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className={clsx('pointer-events-none absolute inset-x-0 top-0 flex justify-center rounded-t-lg bg-gradient-to-b from-white to-transparent pb-12 pt-8 transition-opacity duration-500 dark:from-gray-900', {
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'opacity-0': isNearTop,
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'opacity-100': !isNearTop,
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})}
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/>
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<div
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className={clsx('pointer-events-none absolute inset-x-0 bottom-0 flex justify-center rounded-b-lg bg-gradient-to-t from-white to-transparent pt-12 pb-8 transition-opacity duration-500 dark:from-gray-900', {
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'opacity-0': isNearBottom,
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'opacity-100': !isNearBottom,
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})}
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/>
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</>
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</div>
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);
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};
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export default ChatList;
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