112 lines
2.6 KiB
JavaScript
112 lines
2.6 KiB
JavaScript
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var Connect = require('connect');
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var spacesocket = require('../lib/spacesocket');
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var ltx = require('ltx');
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var WS_PROTOCOL = 'nedap-kneemFothbedchoadHietEnobKavLub1';
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var backend, question, answers, scores;
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function html(body) {
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return "<!DOCTYPE html>\n" +
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"<html><head><title>Pentanews Game Show</title></head>\n" +
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/* TODO: CSS */
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"<body><h1>Pentanews Game Show</h1>\n" +
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body +
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"</body></html>";
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}
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function nedap(app) {
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app.get('/', function(req, res) {
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if (question && answers) {
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var form = new ltx.Element('form',
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{ action: '/',
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method: 'POST',
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enctype: 'application/x-www-form-urlencoded' });
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form.c('p').text(question);
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var ul = form.c('ul');
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for(var i = 0; i < answers.length; i++) {
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ul.c('li').
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c('input', { type: 'radio',
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id: 'a'+i,
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name: 'a',
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value: ''+i }).
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c('label', { for: 'a'+i }).
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t(answers[i]);
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}
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form.c('input', { type: 'submit',
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value: 'Submit' });
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res.writeHead(200, { 'Content-type': 'text/html' });
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res.write(html(form.toString()));
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res.end();
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} else {
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res.writeHead(404, { 'Content-type': 'text/html' });
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res.write(html('o_0'));
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res.end();
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}
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});
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app.post('/', function(req, res) {
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var a = req.body.a;
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if (a && /^\d+$/.test(a)) {
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var i = parseInt(a, 10);
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if (scores && i < scores.length) {
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scores[i]++;
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backend.send(JSON.stringify({ scores: scores }));
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res.writeHead(200, { 'Content-type': 'text/html' });
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res.write(html("<p>Thanks</p>"));
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res.end();
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} else {
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res.writeHead(400, { 'Content-type': 'text/html' });
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res.end();
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}
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} else {
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res.writeHead(400, { 'Content-type': 'text/html' });
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res.end();
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}
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});
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}
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var server = Connect.createServer(
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Connect.logger(),
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Connect.bodyDecoder(),
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Connect.router(nedap),
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Connect.staticProvider(__dirname + '/static'),
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Connect.errorHandler({ dumpExceptions: true, showStack: true })
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);
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server.listen(8080); /* TODO: port 80 */
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spacesocket.attach(server, function(conn) {
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if (conn.protocol === WS_PROTOCOL) {
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backend = conn;
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conn.on('data', function(data) {
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var msg = JSON.parse(data);
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console.log({msg: msg});
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if (msg.joker) {
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question = msg.joker.question;
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answers = msg.joker.answers;
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scores = [];
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for(var i = 0; i < answers.length; i++)
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scores[i] = 0;
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}
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if (msg.clear) {
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question = null;
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answers = null;
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scores = null;
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}
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});
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var reset = function() {
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backend = null;
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};
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conn.on('close', reset);
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conn.on('error', reset);
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} else {
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conn.end();
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}
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});
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