multiparty-meeting/app/lib/components/Chat/FileChatEntry.jsx

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import React, { Component, Fragment } from 'react';
import { connect } from 'react-redux';
import { notifyAction } from '../../redux/stateActions';
import { saveAs } from 'file-saver/FileSaver';
import { client } from './FileSharing';
class FileChatEntry extends Component
{
state = {
active : false,
numPeers : 0,
progress : 0,
files : null
};
saveFile = (file) =>
{
file.getBlob((err, blob) =>
{
if (err)
{
return this.props.notify({
text : 'An error occurred while saving a file'
});
}
saveAs(blob, file.name);
});
};
download = () =>
{
this.setState({
active : true
});
client.add(this.props.message.file.magnet, (torrent) =>
{
const onProgress = () =>
{
this.setState({
numPeers : torrent.numPeers,
progress : torrent.progress
});
};
setInterval(onProgress, 500);
onProgress();
torrent.on('done', () =>
{
onProgress();
clearInterval(onProgress);
this.setState({
files : torrent.files,
active: false
});
});
});
}
render()
{
return (
<Fragment>
<div>
{!this.state.active && !this.state.files && (
<Fragment>
<p>A new file was shared.</p>
<button onClick={this.download}>
Download
</button>
</Fragment>
)}
{this.state.active && this.state.numPeers === 0 && (
<div>
Locating peers
</div>
)}
{this.state.active && this.state.numPeers > 0 && (
<progress value={this.state.progress} />
)}
{this.state.files && (
<div>
{this.state.files.map((file, i) => (
<div key={i}>
<button onClick={() => this.saveFile(file)}>
Save {file.name}
</button>
</div>
))}
</div>
)}
</div>
</Fragment>
);
}
}
const mapDispatchToProps = {
notify : notifyAction
};
export default connect(
undefined,
mapDispatchToProps
)(FileChatEntry);