2022-05-30 15:40:11 +04:00

145 lines
4.6 KiB
TypeScript

import type { FC } from '../../../lib/teact/teact';
import React, {
memo, useCallback, useMemo, useRef,
} from '../../../lib/teact/teact';
import { getActions, withGlobal } from '../../../global';
import type { ApiMessage } from '../../../api/types';
import { LoadMoreDirection } from '../../../types';
import { SLIDE_TRANSITION_DURATION } from '../../../config';
import { MEMO_EMPTY_ARRAY } from '../../../util/memo';
import type { StateProps } from './helpers/createMapStateToProps';
import { createMapStateToProps } from './helpers/createMapStateToProps';
import { formatMonthAndYear, toYearMonth } from '../../../util/dateFormat';
import { getSenderName } from './helpers/getSenderName';
import { throttle } from '../../../util/schedulers';
import { getMessageDocument } from '../../../global/helpers';
import useAsyncRendering from '../../right/hooks/useAsyncRendering';
import useLang from '../../../hooks/useLang';
import { useIntersectionObserver } from '../../../hooks/useIntersectionObserver';
import Document from '../../common/Document';
import InfiniteScroll from '../../ui/InfiniteScroll';
import NothingFound from '../../common/NothingFound';
import Loading from '../../ui/Loading';
export type OwnProps = {
searchQuery?: string;
};
const CURRENT_TYPE = 'documents';
const INTERSECTION_THROTTLE = 500;
const runThrottled = throttle((cb) => cb(), 500, true);
const FileResults: FC<OwnProps & StateProps> = ({
searchQuery,
searchChatId,
isLoading,
chatsById,
usersById,
globalMessagesByChatId,
foundIds,
activeDownloads,
lastSyncTime,
}) => {
const {
searchMessagesGlobal,
focusMessage,
} = getActions();
// eslint-disable-next-line no-null/no-null
const containerRef = useRef<HTMLDivElement>(null);
const lang = useLang();
const { observe: observeIntersectionForMedia } = useIntersectionObserver({
rootRef: containerRef,
throttleMs: INTERSECTION_THROTTLE,
});
const handleLoadMore = useCallback(({ direction }: { direction: LoadMoreDirection }) => {
if (lastSyncTime && direction === LoadMoreDirection.Backwards) {
runThrottled(() => {
searchMessagesGlobal({
type: CURRENT_TYPE,
query: searchQuery,
chatId: searchChatId,
});
});
}
}, [lastSyncTime, searchMessagesGlobal, searchQuery, searchChatId]);
const foundMessages = useMemo(() => {
if (!foundIds || !globalMessagesByChatId) {
return MEMO_EMPTY_ARRAY;
}
return foundIds.map((id) => {
const [chatId, messageId] = id.split('_');
const message = globalMessagesByChatId[chatId]?.byId[Number(messageId)];
return message && getMessageDocument(message) ? message : undefined;
}).filter(Boolean) as ApiMessage[];
}, [globalMessagesByChatId, foundIds]);
const handleMessageFocus = useCallback((messageId: number, chatId: string) => {
focusMessage({ chatId, messageId });
}, [focusMessage]);
function renderList() {
return foundMessages.map((message, index) => {
const shouldDrawDateDivider = index === 0
|| toYearMonth(message.date) !== toYearMonth(foundMessages[index - 1].date);
return (
<div
className="ListItem small-icon"
key={message.id}
>
{shouldDrawDateDivider && (
<p className="section-heading">{formatMonthAndYear(lang, new Date(message.date * 1000))}</p>
)}
<Document
message={message}
withDate
datetime={message.date}
smaller
sender={getSenderName(lang, message, chatsById, usersById)}
className="scroll-item"
isDownloading={activeDownloads[message.chatId]?.includes(message.id)}
observeIntersection={observeIntersectionForMedia}
onDateClick={handleMessageFocus}
/>
</div>
);
});
}
const canRenderContents = useAsyncRendering([searchQuery], SLIDE_TRANSITION_DURATION) && !isLoading;
return (
<div ref={containerRef} className="LeftSearch">
<InfiniteScroll
className="search-content documents-list custom-scroll"
items={foundMessages}
onLoadMore={handleLoadMore}
noFastList
>
{!canRenderContents && <Loading />}
{canRenderContents && (!foundIds || foundIds.length === 0) && (
<NothingFound
text={lang('ChatList.Search.NoResults')}
description={lang('ChatList.Search.NoResultsDescription')}
/>
)}
{canRenderContents && foundIds && foundIds.length > 0 && renderList()}
</InfiniteScroll>
</div>
);
};
export default memo(withGlobal<OwnProps>(
createMapStateToProps(CURRENT_TYPE),
)(FileResults));