80 lines
1.9 KiB
JavaScript
80 lines
1.9 KiB
JavaScript
const glob = require('glob');
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const spawn = require('child_process').spawn;
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const tag_reader = spawn('/home/annika/rfid/run-tag-reader');
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const player = spawn('/usr/bin/sudo', ['-n', '/usr/bin/mpg321', '-R', '-']);
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tag_reader.on('error', function(err) {
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console.log(`[tag_reader:error] ${err}`);
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});
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player.on('error', function(err) {
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console.log(`[player:error] ${err}`);
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});
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// player.stdin.write("GAIN 100");
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last_tag = null;
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debounce_until = 0;
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function lookup(tag, cb) {
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if (tag === 'b9506555d9') {
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return cb('STOP');
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}
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if (tag === 'aa89665510') {
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return cb('PAUSE', 2);
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}
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glob('media/' + tag + ' - *.mp3', function(er, files) {
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if (files.length > 0) {
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return cb("LOAD " + files[0], 5);
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}
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});
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}
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tag_reader.stdout.on('data', (data) => {
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if (Date.now() / 1000 < debounce_until) {
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return;
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}
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last_tag = String(data).trim();
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console.log("Tag: " + last_tag);
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lookup(last_tag, function(action, wait_sec) {
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wait_sec = wait_sec || 1;
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if (action) {
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debounce_until = Date.now() / 1000 + wait_sec;
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console.log(`Running ${action} for ${last_tag}`);
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player.stdin.write(action + "\n");
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}
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});
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});
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tag_reader.stderr.on('data', (data) => {
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console.log(`[tag_reader:stderr] ${data}`);
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});
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player.stderr.on('data', (data) => {
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if (String(data).substr(0, 3) === "@F ") {
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return;
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}
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console.log(`[player:stderr] ${data}`);
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});
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var express = require('express')
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, logger = require('morgan')
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, app = express()
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, template = require('jade').compileFile(__dirname + '/source/templates/homepage.jade')
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app.use(logger('dev'))
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app.use(express.static(__dirname + '/static'))
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app.get('/', function (req, res, next) {
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try {
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var html = template({ title: 'Home', last_tag: last_tag })
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res.send(html)
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} catch (e) {
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next(e)
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}
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})
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app.listen(process.env.PORT || 80, function () {
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console.log('Listening on http://localhost:' + (process.env.PORT || 80))
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})
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