RocketChat/Rocket.Chat

import type { ISubscription } from '@rocket.chat/core-typings';
import { isDirectMessageRoom } from '@rocket.chat/core-typings';

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

export const useMessageComposerIsBlocked = ({ subscription }: { subscription?: ISubscription }): boolean => {
    const room = useRoom();

    if (!isDirectMessageRoom(room)) {
        return false;
    }
    if (!subscription) {
        return false;
    }
    // over DM's is possible to block or being blocked by the other user
    const isBlocked = Boolean(subscription.blocked);
    const isBlocker = Boolean(subscription.blocker);
    return isBlocked || isBlocker;
};