├── .gitignore
├── package.json
└── main.js


/.gitignore:
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 1 | lib-cov
 2 | *.seed
 3 | *.log
 4 | *.csv
 5 | *.dat
 6 | *.out
 7 | *.pid
 8 | *.gz
 9 | node_modules
10 | 
11 | pids
12 | logs
13 | results
14 | 
15 | npm-debug.log
16 | 


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/package.json:
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 1 | {
 2 |   "name": "guimotståelig-bildestrøm",
 3 |   "version": "0.0.0",
 4 |   "repository": "",
 5 |   "author": "",
 6 |   "license": "BSD",
 7 |   "dependencies": {
 8 |     "chokidar": "~0.7.0",
 9 |     "socket.io": "~0.9.16"
10 |   }
11 | }
12 | 


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/main.js:
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 1 | var app = require('http').createServer()
 2 |   , io = require('socket.io').listen(app, { log: false })
 3 |   , fs = require('fs')
 4 |   , chokidar = require('chokidar');
 5 | 
 6 | app.listen(1237);
 7 | 
 8 | var emit = function(event, data){
 9 |   clients.forEach(function (client) {
10 |     client.emit(event, data);
11 |   });
12 | };
13 | 
14 | var resetTimer = function () {
15 |   clearTimeout(timeout);
16 |   timeout = setTimeout(loadFromArchive, (3 + Math.random()*5)*1000);
17 | };
18 | 
19 | var loadFromArchive = function(){
20 |   var files = fs.readdirSync(__dirname + '/imagepool');
21 |   if(files.length > 0){
22 |       var index = Math.floor((Math.random()*files.length));
23 |       fs.readFile(__dirname + '/imagepool/' + files[index], 'base64', function(err, data){
24 |         if(!err){
25 |           emit('picture', 'data:image/jpg;base64,' + data);
26 |         }else{
27 |           emit('error', err);
28 |         }
29 |       });
30 |   };
31 |   resetTimer();
32 | };
33 | 
34 | var uploadDir = chokidar.watch(__dirname + '/images', {ignored: /^\./, persistent: true});
35 | 
36 | var clients = [];
37 | var timeout = 0;
38 | io.sockets.on('connection', function (socket) {
39 |   console.log('client connected');
40 |   clients.push(socket);
41 |   uploadDir
42 |     .on('add', function(path) {
43 |       fs.readFile(path, 'base64', function(err, data){
44 |       if(!err){
45 |         emit('picture', 'data:image/jpg;base64,' + data);
46 |         resetTimer();
47 |       }else{
48 |         emit('error', err);
49 |       }
50 |     });
51 |   });
52 |   socket.on('addphoto', function (data) {
53 |     console.log('photo gotten');
54 |     if(data && data.dataurl){
55 |       var base64Data = data.dataurl.replace(/^data:image\/jpeg;base64,/, ""); 
56 |       base64Data += base64Data.replace('+', ' ');
57 |       binaryData = new Buffer(base64Data, 'base64').toString('binary');
58 | 
59 |       fs.writeFile(__dirname + '/imagepool/' + Math.floor(Math.random() * 10000000) + ".jpg", binaryData, "binary", function (err) {});
60 |       emit('picture', data.dataurl);
61 |       resetTimer();
62 |     }else{
63 |       console.log('Worng input', data);
64 |     }
65 |     
66 |   });
67 |   
68 |   resetTimer();
69 | });


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