upstream-rocketchat/apps/meteor/client/views/room/composer/ComposerBoxPopupUser.tsx

import { OptionAvatar, OptionColumn, OptionContent, OptionInput } from '@rocket.chat/fuselage';
import { UserAvatar } from '@rocket.chat/ui-avatar';
import { useSetting } from '@rocket.chat/ui-contexts';
import { useTranslation } from 'react-i18next';

import { getUserDisplayNames } from '../../../../lib/getUserDisplayNames';
import ReactiveUserStatus from '../../../components/UserStatus/ReactiveUserStatus';

export type ComposerBoxPopupUserProps = {
	_id: string;
	system?: boolean;
	outside?: boolean;
	suggestion?: boolean;
	username: string;
	name?: string;
	nickname?: string;
	status?: string;
	sort?: number;
	variant?: 'small' | 'large';
};

function ComposerBoxPopupUser({ _id, system, username, name, nickname, outside, suggestion, variant }: ComposerBoxPopupUserProps) {
	const { t } = useTranslation();
	const useRealName = useSetting('UI_Use_Real_Name', false);

	const [nameOrUsername, displayUsername] = getUserDisplayNames(name, username, useRealName);

	return (
		<>
			{!system && (
				<>
					<OptionAvatar>
						<UserAvatar size='x28' username={username} />
					</OptionAvatar>
					<OptionColumn>
						<ReactiveUserStatus uid={_id} />
					</OptionColumn>
					<OptionContent>
						<strong>{nameOrUsername}</strong> {displayUsername && `@${displayUsername}`}
						{nickname && <span className='popup-user-nickname'> ({nickname})</span>}
					</OptionContent>
				</>
			)}

			{system && (
				<OptionContent>
					<strong>@{username}</strong> {name}
				</OptionContent>
			)}

			{outside && variant === 'large' && (
				<OptionColumn>
					<OptionInput>{t('Not_in_channel')}</OptionInput>
				</OptionColumn>
			)}

			{suggestion && variant === 'large' && (
				<OptionColumn>
					<OptionInput>{t('Suggestion_from_recent_messages')}</OptionInput>
				</OptionColumn>
			)}
		</>
	);
}

export default ComposerBoxPopupUser;