Rocket.Chat/apps/meteor/client/hooks/roomActions/usePinnedMessagesRoomAction.ts

import { isRoomFederated } from '@rocket.chat/core-typings';
import { useSetting } from '@rocket.chat/ui-contexts';
import type { RoomToolboxActionConfig } from '@rocket.chat/ui-contexts';
import { lazy, useMemo } from 'react';
import { useTranslation } from 'react-i18next';

import { useRoom } from '../../views/room/contexts/RoomContext';

const PinnedMessagesTab = lazy(() => import('../../views/room/contextualBar/PinnedMessagesTab'));

export const usePinnedMessagesRoomAction = () => {
	const room = useRoom();
	const federated = isRoomFederated(room);
	const enabled = useSetting('Message_AllowPinning', false);
	const { t } = useTranslation();

	return useMemo((): RoomToolboxActionConfig | undefined => {
		if (!enabled) {
			return undefined;
		}

		return {
			id: 'pinned-messages',
			groups: ['channel', 'group', 'direct', 'direct_multiple', 'team'],
			title: 'Pinned_Messages',
			icon: 'pin',
			tabComponent: PinnedMessagesTab,
			...(federated && {
				tooltip: t('core.Pinned_messages_unavailable_for_federation'),
				disabled: true,
			}),
			order: 9,
			type: 'organization',
		};
	}, [enabled, federated, t]);
};