117 lines
3.4 KiB
TypeScript
117 lines
3.4 KiB
TypeScript
import React, {
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FC, memo, useCallback, useEffect, useRef,
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} from '../../lib/teact/teact';
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import { withGlobal } from '../../lib/teact/teactn';
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import { GlobalActions } from '../../global/types';
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import { ApiSticker, ApiUpdateConnectionStateType } from '../../api/types';
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import { pick } from '../../util/iteratees';
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import { selectChat } from '../../modules/selectors';
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import { useIntersectionObserver } from '../../hooks/useIntersectionObserver';
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import useLang from '../../hooks/useLang';
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import { getUserIdDividend } from '../../modules/helpers';
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import StickerButton from '../common/StickerButton';
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import './ContactGreeting.scss';
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type OwnProps = {
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userId: string;
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};
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type StateProps = {
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sticker?: ApiSticker;
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lastUnreadMessageId?: number;
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connectionState?: ApiUpdateConnectionStateType;
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};
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type DispatchProps = Pick<GlobalActions, 'loadGreetingStickers' | 'sendMessage' | 'markMessageListRead'>;
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const INTERSECTION_DEBOUNCE_MS = 200;
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const ContactGreeting: FC<OwnProps & StateProps & DispatchProps> = ({
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sticker,
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connectionState,
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lastUnreadMessageId,
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loadGreetingStickers,
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sendMessage,
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markMessageListRead,
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}) => {
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const lang = useLang();
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// eslint-disable-next-line no-null/no-null
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const containerRef = useRef<HTMLDivElement>(null);
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const {
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observe: observeIntersection,
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} = useIntersectionObserver({
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rootRef: containerRef,
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debounceMs: INTERSECTION_DEBOUNCE_MS,
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});
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useEffect(() => {
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if (sticker || connectionState !== 'connectionStateReady') {
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return;
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}
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loadGreetingStickers();
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}, [connectionState, loadGreetingStickers, sticker]);
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useEffect(() => {
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if (connectionState === 'connectionStateReady' && lastUnreadMessageId) {
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markMessageListRead({ maxId: lastUnreadMessageId });
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}
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}, [connectionState, markMessageListRead, lastUnreadMessageId]);
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const handleStickerSelect = useCallback((selectedSticker: ApiSticker) => {
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selectedSticker = {
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...selectedSticker,
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isPreloadedGlobally: true,
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};
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sendMessage({ sticker: selectedSticker });
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}, [sendMessage]);
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return (
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<div className="ContactGreeting" ref={containerRef}>
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<div className="wrapper">
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<p className="title" dir="auto">{lang('Conversation.EmptyPlaceholder')}</p>
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<p className="description" dir="auto">{lang('Conversation.GreetingText')}</p>
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<div className="sticker">
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{sticker && (
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<StickerButton
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sticker={sticker}
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onClick={handleStickerSelect}
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clickArg={sticker}
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observeIntersection={observeIntersection}
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size={160}
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className="large"
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/>
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)}
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</div>
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</div>
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</div>
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);
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};
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export default memo(withGlobal<OwnProps>(
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(global, { userId }): StateProps => {
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const { stickers } = global.stickers.greeting;
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const dividend = getUserIdDividend(userId) + getUserIdDividend(global.currentUserId!);
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const sticker = stickers?.length ? stickers[dividend % stickers.length] : undefined;
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const chat = selectChat(global, userId);
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if (!chat) {
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return {};
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}
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return {
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sticker,
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lastUnreadMessageId: chat.lastMessage && chat.lastMessage.id !== chat.lastReadInboxMessageId
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? chat.lastMessage.id
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: undefined,
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connectionState: global.connectionState,
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};
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},
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(setGlobal, actions): DispatchProps => pick(actions, [
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'loadGreetingStickers', 'sendMessage', 'markMessageListRead',
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]),
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)(ContactGreeting));
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