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server.js
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server.js
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const express = require('express');
const path = require('path');
const fs = require('fs');
const os = require('os');
const { v4: uuidv4 } = require('uuid');
const email = require('./srv/email.utils');
const ffmpeg = require('./srv/ffmpeg.utils');
const port = process.env.PORT || process.env.WEB_PORT || 5000;
const host = process.env.WEB_HOST || '0.0.0.0';
const app = express();
const server = require('http').Server(app);
const io = require('socket.io')(server);
app.use('/', express.static(path.join(__dirname, 'build')));
io.on('connection', (sock) => {
const id = uuidv4();
let state = {
stream: false,
ioStream: null,
outFn: path.join(os.tmpdir(), id + '.webm')
};
sock.emit('new', id);
sock.on('start', (cfg) => {
if(state.stream) return;
console.log(cfg);
Object.assign(state, JSON.parse(cfg));
state.stream = true;
state.ioStream = fs.createWriteStream(state.outFn);
});
sock.on('stream', (data) => {
if (state.stream) {
state.ioStream.write(data);
}
});
let endStream = async () => {
if (state.stream) {
state.stream = false;
state.ioStream.close();
sock.emit('processing:start');
if(state.sendEmail) {
let mp4Name = state.outFn.replace('.webm', '.mp4');
await ffmpeg.covertToMp4(state.outFn, mp4Name);
await email.sendVideo(state.email, mp4Name, {name: state.name});
fs.unlinkSync(mp4Name);
}
sock.emit('processing:end');
fs.unlinkSync(state.outFn);
}
}
sock.on('stop', () => {
try {
endStream();
} catch (err) {
console.warn(err);
sock.emit('error', err);
}
});
sock.on('disconnect', () => {
endStream();
});
});
server.listen(port, host, () => console.log(`Listening on port ${port}`));