add save and load api calls.

js/pixl/data/.gitignore

@@ -0,0 +1 @@
*.json

js/pixl/server.js

@@ -1,6 +1,8 @@
var ws = require('ws');
var http = require('http');
var express = require('express');
var fs = require('fs');
var path = require('path');
var app = express();
app.use(express.static(__dirname + "/public"));
@@ -28,6 +30,34 @@ app.get('/reset', function(req, res) {
	res.send(JSON.stringify({status: "ok"}));
});
app.get('/save/:name', function(req, res) {
	fs.writeFile(path.join('./data/', req.params.name + '.json'), JSON.stringify(world), function(err) {
		res.setHeader('Content-Type', 'text/plain');
		if (err) {
			res.statusCode = 404;
			res.send(JSON.stringify({error: err}));
		} else {
			res.send(JSON.stringify({name: req.params.name}));
		}
	});
});
app.get('/load/:name', function(req, res) {
	fs.readFile(path.join('./data', req.params.name + '.json'), function(err, data) {
		res.setHeader('Content-Type', 'text/plain');
		if (err) {
			res.statusCode = 404;
			res.send(JSON.stringify({error: err}));
		} else {
			world = JSON.parse(data);
			wss.clients.forEach(function(client) {
				client.send(JSON.stringify(world));
			});
			res.send(JSON.stringify({pixls: Object.keys(world).length}));
		}
	})
});
var server = http.createServer(app);
server.listen(8001);