95 lines
2.9 KiB
TypeScript
95 lines
2.9 KiB
TypeScript
import classNames from 'classnames';
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import React, { useRef, useState } from 'react';
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import { useDispatch } from 'react-redux';
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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 { Stack } from 'soapbox/components/ui';
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import PlaceholderChat from 'soapbox/features/placeholder/components/placeholder-chat';
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import { useChats } from 'soapbox/queries/chats';
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import Chat from './chat';
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import Blankslate from './chat-pane/blankslate';
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interface IChatList {
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onClickChat: (chat: any) => void,
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useWindowScroll?: boolean,
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}
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const ChatList: React.FC<IChatList> = ({ onClickChat, useWindowScroll = false }) => {
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const dispatch = useDispatch();
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const chatListRef = useRef(null);
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const { chatsQuery: { data: chats, isFetching, hasNextPage, fetchNextPage } } = useChats();
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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 isEmpty = chats?.length === 0;
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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 = () => {
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return dispatch(fetchChats()) as any;
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};
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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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} else {
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return <Blankslate />;
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}
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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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{isEmpty ? renderEmpty() : (
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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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<Chat chat={chat} onClick={onClickChat} />
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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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)}
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</PullToRefresh>
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<div
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className={classNames('inset-x-0 top-0 flex rounded-t-lg justify-center bg-gradient-to-b from-white pb-12 pt-8 pointer-events-none dark:from-gray-900 absolute transition-opacity duration-500', {
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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={classNames('inset-x-0 bottom-0 flex rounded-b-lg justify-center bg-gradient-to-t from-white pt-12 pb-8 pointer-events-none dark:from-gray-900 absolute transition-opacity duration-500', {
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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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</div>
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);
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};
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export default ChatList;
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