multiparty-meeting/app/lib/components/FileSharing/index.jsx

151 lines
3.1 KiB
JavaScript

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
import WebTorrent from 'webtorrent';
import createTorrent from 'create-torrent';
import randomString from 'random-string';
import classNames from 'classnames';
import * as stateActions from '../../redux/stateActions';
import * as requestActions from '../../redux/requestActions';
import { store } from '../../store';
import config from '../../../config';
import FileEntry, { FileEntryProps } from './FileEntry';
export const client = WebTorrent.WEBRTC_SUPPORT && new WebTorrent({
tracker : {
rtcConfig : {
iceServers : config.turnServers
}
}
});
const notifyPeers = (file) =>
{
const { displayName, picture } = store.getState().me;
store.dispatch(requestActions.sendFile(file, displayName, picture));
};
export const shareFiles = async (files) =>
{
const notification =
{
id : randomString({ length: 6 }).toLowerCase(),
text : 'Creating torrent',
type : 'info'
};
store.dispatch(stateActions.addNotification(notification));
createTorrent(files, (err, torrent) =>
{
if (err)
{
return store.dispatch(requestActions.notify({
text : 'An error occured while uploading a file'
}));
}
const existingTorrent = client.get(torrent);
if (existingTorrent)
{
return notifyPeers({
magnet : existingTorrent.magnetURI
});
}
client.seed(files, (newTorrent) =>
{
store.dispatch(stateActions.removeNotification(notification.id));
store.dispatch(requestActions.notify({
text : 'Torrent successfully created'
}));
notifyPeers({
magnet : newTorrent.magnetURI
});
});
});
};
class FileSharing extends Component
{
constructor(props)
{
super(props);
this.fileInput = React.createRef();
}
handleFileChange = async (event) =>
{
if (event.target.files.length > 0)
{
await shareFiles(event.target.files);
}
};
handleClick = () =>
{
if (WebTorrent.WEBRTC_SUPPORT)
{
// We want to open the file dialog when we click a button
// instead of actually rendering the input element itself.
this.fileInput.current.click();
}
};
render()
{
const buttonDescription = WebTorrent.WEBRTC_SUPPORT ?
'Share file' : 'File sharing not supported';
return (
<div data-component='FileSharing'>
<div className='sharing-toolbar'>
<input
style={{ display: 'none' }}
ref={this.fileInput}
type='file'
onChange={this.handleFileChange}
multiple
/>
<div
type='button'
onClick={this.handleClick}
className={classNames('share-file', {
disabled : !WebTorrent.WEBRTC_SUPPORT
})}
>
<span>{buttonDescription}</span>
</div>
</div>
<div className='shared-files'>
{this.props.sharing.map((entry, i) => (
<FileEntry
data={entry}
key={i}
/>
))}
</div>
</div>
);
}
}
FileSharing.propTypes = {
sharing : PropTypes.arrayOf(FileEntryProps.data).isRequired
};
const mapStateToProps = (state) =>
({
sharing : state.sharing
});
export default connect(
mapStateToProps
)(FileSharing);