cloud_bbb/ts/Manager/SharedPresentationInput.tsx

import React from "react";
import { useState } from "react";
import { Room } from "../Common/Api";

type Props = {
    id: string
    room: Room
    updateRoom: (Room) => Promise<void>
}

const SharedPresentationInput: React.FC<Props> = ({ room, updateRoom, id }) => {

	function filepicker() {
        OC.dialogs.filepicker(t('bbb', 'Default Presentation'), file => {
            updateRoom({...room, presentationUserId: '', presentationPath: file});
        },
        );
    }

    function removeFile() {
        updateRoom({...room, presentationUserId: '', presentationPath: ''});
    }

    function getAvatarUrl(userId) {
        if (room.presentationUserId === null || room.presentationUserId === undefined) {
            return ;
        }

        return (OC.generateUrl('/avatar/' + encodeURIComponent(room.presentationUserId) + '/' + 24, {
            user: room.presentationUserId,
            size: 24,
            requesttoken: OC.requestToken,
        }))
    }

    return(
        <div className="bbb-presentation-input">
            <input id={id} type="button" value={t('bbb', 'Choose a File')} onClick={filepicker} />
            <p className={ room.presentationPath === '' ? 'hidden' : ''}>
                <img src={getAvatarUrl(room.presentationUserId)} alt={room.presentationUserId} className="bbb-avatar" height="100%" />
                <em>{room.presentationPath}</em>
                <button onClick={removeFile}><span className="icon icon-close icon-visible"></span></button>
            </p>
        </div>
    );
};

export default SharedPresentationInput;