/
index.js
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/
index.js
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var fs = require('fs');
var express = require('express');
var SLIDES = JSON.parse(fs.readFileSync('./slides.json'));
function toResponse(obj) {
return JSON.stringify(obj);
}
var app = express();
app.use(express.static('.'));
app.get('/api/decks', function(req, res) {
res.header('Content-Type', 'application/json');
res.send(toResponse({
decks: Object.keys(SLIDES)
}));
});
app.get('/api/decks/:deck', function(req, res) {
var deck = SLIDES[req.params.deck];
res.header('Content-Type', 'application/json');
if (!deck) {
res.status(404);
res.send(toResponse({
messsage: 'not found'
}));
} else {
var resp = {
slides: deck.length,
};
res.send(toResponse(resp));
}
});
app.get('/api/decks/:deck/stats/visitors', function(req, res) {
res.header('Content-Type', 'application/json');
var base = new Date();
var dataset = [];
for (var i = 0; i < 35 ; i++) {
var offset = 1000 * 24 * 60 * 60 * i,
timestamp = (+base) - offset,
value = Math.floor(Math.random() * 1000);
dataset.push({ timestamp: timestamp, value: value });
}
res.send(toResponse(dataset));
});
app.get('/api/decks/:deck/stats/countries', function(req, res) {
res.header('Content-Type', 'application/json');
var dataset = [ "UK", "Portugal", "Netherlands", "Poland"].map(function(name) {
return { country: name, value: Math.floor(Math.random() * 1000) };
});
res.send(toResponse(dataset));
});
app.get('/api/decks/:deck/slide/:slideNo', function(req, res) {
var deck = SLIDES[req.params.deck];
res.header('Content-Type', 'application/json');
if (!deck) {
res.status(404);
res.send(toResponse({
messsage: 'not found'
}));
} else {
var slideNo = req.params.slideNo;
var resp = {
slides: deck.length,
slide: deck[+slideNo - 1] || []
};
if (resp.slide.length === 0) {
res.status(404);
}
res.send(toResponse(resp));
}
});
app.get(['/','/deck*'], function(req, res) {
var path = require('path');
res.sendFile(path.join(__dirname + '/index.html'));
});
var server = app.listen(3000, function() {
var host = server.address().address;
var port = server.address().port;
console.log('Example app listening at http://%s:%s', host, port);
});