TelegramPWA/src/components/middle/ReactorListModal.tsx
2025-12-08 17:44:32 +01:00

311 lines
10 KiB
TypeScript

import type { FC } from '../../lib/teact/teact';
import type React from '../../lib/teact/teact';
import {
memo, useEffect, useMemo, useRef,
useState,
} from '../../lib/teact/teact';
import { getActions, getGlobal, withGlobal } from '../../global';
import type { ApiAvailableReaction, ApiMessage, ApiReaction } from '../../api/types';
import { LoadMoreDirection } from '../../types';
import { getReactionKey, isSameReaction } from '../../global/helpers';
import {
selectChatMessage,
selectTabState,
} from '../../global/selectors';
import buildClassName from '../../util/buildClassName';
import { formatDateAtTime } from '../../util/dates/dateFormat';
import { unique } from '../../util/iteratees';
import { formatIntegerCompact } from '../../util/textFormat';
import { REM } from '../common/helpers/mediaDimensions';
import useFlag from '../../hooks/useFlag';
import useHorizontalScroll from '../../hooks/useHorizontalScroll';
import useInfiniteScroll from '../../hooks/useInfiniteScroll';
import useLang from '../../hooks/useLang';
import useLastCallback from '../../hooks/useLastCallback';
import useOldLang from '../../hooks/useOldLang';
import useScrollNotch from '../../hooks/useScrollNotch';
import Avatar from '../common/Avatar';
import FullNameTitle from '../common/FullNameTitle';
import Icon from '../common/icons/Icon';
import PrivateChatInfo from '../common/PrivateChatInfo';
import ReactionStaticEmoji from '../common/reactions/ReactionStaticEmoji';
import Button from '../ui/Button';
import InfiniteScroll from '../ui/InfiniteScroll';
import ListItem from '../ui/ListItem';
import Loading from '../ui/Loading';
import Modal from '../ui/Modal';
import Transition from '../ui/Transition';
import './ReactorListModal.scss';
const MIN_REACTIONS_COUNT_FOR_FILTERS = 10;
export type OwnProps = {
isOpen: boolean;
};
export type StateProps = Pick<ApiMessage, 'reactors' | 'reactions' | 'seenByDates'> & {
chatId?: string;
messageId?: number;
availableReactions?: ApiAvailableReaction[];
};
const DEFAULT_REACTION_SIZE = 1.5 * REM;
const ReactorListModal: FC<OwnProps & StateProps> = ({
isOpen,
reactors,
reactions,
chatId,
messageId,
seenByDates,
availableReactions,
}) => {
const {
loadReactors,
closeReactorListModal,
openChat,
} = getActions();
// No need for expensive global updates on chats or users, so we avoid them
const chatsById = getGlobal().chats.byId;
const usersById = getGlobal().users.byId;
const oldLang = useOldLang();
const lang = useLang();
const [isClosing, startClosing, stopClosing] = useFlag(false);
const [chosenTab, setChosenTab] = useState<ApiReaction | undefined>(undefined);
const canShowFilters = reactors && reactions && reactors.count >= MIN_REACTIONS_COUNT_FOR_FILTERS
&& reactions.results.length > 1;
const chatIdRef = useRef<string>();
const reactionsRef = useRef<HTMLDivElement>();
const containerRef = useRef<HTMLDivElement>();
useHorizontalScroll(reactionsRef, !canShowFilters || !isOpen);
useEffect(() => {
if (isOpen && !isClosing) {
chatIdRef.current = undefined;
}
if (isClosing && !isOpen) {
stopClosing();
setChosenTab(undefined);
}
}, [isClosing, isOpen, stopClosing]);
const handleCloseAnimationEnd = useLastCallback(() => {
if (chatIdRef.current) {
openChat({ id: chatIdRef.current });
}
closeReactorListModal();
});
const handleClose = useLastCallback(() => {
startClosing();
});
const handleClick = useLastCallback((userId: string) => {
chatIdRef.current = userId;
handleClose();
});
const handleLoadMore = useLastCallback(() => {
loadReactors({
chatId: chatId!,
messageId: messageId!,
});
});
const allReactions = useMemo(() => {
const uniqueReactions: ApiReaction[] = [];
reactors?.reactions?.forEach(({ reaction }) => {
if (!uniqueReactions.some((r) => isSameReaction(r, reaction))) {
uniqueReactions.push(reaction);
}
});
return uniqueReactions;
}, [reactors]);
const contentActiveKey = useMemo(() => {
if (!chosenTab) return 0;
const index = allReactions.findIndex((r) => isSameReaction(r, chosenTab));
return index + 1;
}, [chosenTab, allReactions]);
const peerIds = useMemo(() => {
if (chosenTab) {
return reactors?.reactions
.filter(({ reaction }) => isSameReaction(reaction, chosenTab))
.map(({ peerId }) => peerId);
}
const seenByUserIds = Object.keys(seenByDates || {});
return unique(reactors?.reactions.map(({ peerId }) => peerId).concat(seenByUserIds || []) || []);
}, [chosenTab, reactors, seenByDates]);
const [viewportIds, getMore] = useInfiniteScroll(
handleLoadMore, peerIds, reactors && reactors.nextOffset === undefined,
);
useScrollNotch({
containerRef,
selector: '.reactor-list',
}, [contentActiveKey, isOpen]);
useEffect(() => {
getMore?.({ direction: LoadMoreDirection.Backwards });
}, [getMore]);
return (
<Modal
isOpen={isOpen && !isClosing}
onClose={handleClose}
className="ReactorListModal narrow"
title={oldLang('Reactions')}
onCloseAnimationEnd={handleCloseAnimationEnd}
hasCloseButton
>
{canShowFilters && (
<div
ref={reactionsRef}
className={buildClassName('Reactions', 'no-scrollbar')}
dir={lang.isRtl ? 'rtl' : undefined}
>
<Button
color={chosenTab ? 'adaptive' : 'primary'}
size="tiny"
ripple
iconName="heart"
pill
fluid
onClick={() => setChosenTab(undefined)}
>
{Boolean(reactors?.count) && formatIntegerCompact(lang, reactors.count)}
</Button>
{allReactions.map((reaction) => {
const count = reactions?.results
.find((reactionsCount) => isSameReaction(reactionsCount.reaction, reaction))?.count;
return (
<Button
key={getReactionKey(reaction)}
color={isSameReaction(chosenTab, reaction) ? 'primary' : 'adaptive'}
size="tiny"
pill
fluid
ripple
onClick={() => setChosenTab(reaction)}
>
<ReactionStaticEmoji
reaction={reaction}
className="reaction-filter-emoji"
availableReactions={availableReactions}
size={DEFAULT_REACTION_SIZE}
/>
{Boolean(count) && formatIntegerCompact(lang, count)}
</Button>
);
})}
</div>
)}
<div
ref={containerRef}
dir={lang.isRtl ? 'rtl' : undefined}
className="reactor-list-wrapper"
>
<Transition activeKey={contentActiveKey} name="slide">
{viewportIds?.length ? (
<InfiniteScroll
className="reactor-list custom-scroll"
items={viewportIds}
onLoadMore={getMore}
>
{viewportIds?.flatMap(
(peerId) => {
const peer = usersById[peerId] || chatsById[peerId];
const peerReactions = reactors?.reactions.filter((reactor) => reactor.peerId === peerId);
const items: React.ReactNode[] = [];
const seenByUser = seenByDates?.[peerId];
peerReactions?.forEach((r) => {
if (chosenTab && !isSameReaction(r.reaction, chosenTab)) return;
items.push(
<ListItem
key={`${peerId}-${getReactionKey(r.reaction)}`}
className="chat-item-clickable reactors-list-item"
onClick={() => handleClick(peerId)}
>
<Avatar peer={peer} size="medium" />
<div className="info">
<FullNameTitle peer={peer} withEmojiStatus />
<span className="status" dir="auto">
<Icon name="heart-outline" className="status-icon" />
{formatDateAtTime(oldLang, r.addedDate * 1000)}
</span>
</div>
{r.reaction && (
<ReactionStaticEmoji
className="reactors-list-emoji"
reaction={r.reaction}
availableReactions={availableReactions}
size={DEFAULT_REACTION_SIZE}
/>
)}
</ListItem>,
);
});
if (!chosenTab && !peerReactions?.length) {
items.push(
<ListItem
key={`${peerId}-seen-by`}
className="chat-item-clickable scroll-item small-icon"
onClick={() => handleClick(peerId)}
>
<PrivateChatInfo
userId={peerId}
noStatusOrTyping
avatarSize="medium"
status={seenByUser ? formatDateAtTime(oldLang, seenByUser * 1000) : undefined}
statusIcon="message-read"
/>
</ListItem>,
);
}
return items;
},
)}
</InfiniteScroll>
) : <Loading />}
</Transition>
</div>
</Modal>
);
};
export default memo(withGlobal<OwnProps>(
(global): Complete<StateProps> => {
const { chatId, messageId } = selectTabState(global).reactorModal || {};
const message = chatId && messageId ? selectChatMessage(global, chatId, messageId) : undefined;
return {
chatId,
messageId,
reactions: message?.reactions,
reactors: message?.reactors,
seenByDates: message?.seenByDates,
availableReactions: global.reactions.availableReactions,
};
},
)(ReactorListModal));