Node script to query the apple stock JSON blob and report which stores have iphone 6 stock

index.js

var https = require('https');

var storesUrl = 'https://reserve.cdn-apple.com/GB/en_GB/reserve/iPhone/stores.json';
var stockUrl = 'https://reserve.cdn-apple.com/GB/en_GB/reserve/iPhone/availability.json';

var stockLastUpdated;

var stores;
var stock;
var storeNameMap = {};

console.log("checking stock for UK stores...")
console.log("");

https.get(storesUrl, function(res) {
    var body = '';
    res.on('data', function(chunk) {
        body += chunk;
    });
    res.on('end', function() {
        stores = JSON.parse(body).stores;
		listAvailableStock();
    });
}).on('error', function(e) {
      console.log("Got error for URL "+storesUrl+" : ", e);
});

https.get(stockUrl, function(res) {
	var body = '';
	res.on('data', function(chunk) {
		body += chunk;
	});
	res.on('end', function() {
		stock = JSON.parse(body);
		stockLastUpdated = new Date(res.headers["last-modified"]);
		delete stock.updated;
		listAvailableStock();
	});
}).on('error', function(e) {
	console.log("Got error for URL "+storesUrl+" : ", e);
});


function listAvailableStock() {
	if (stores != null && stock != null) {

		for (var i in stores) {
			var store = stores[i];
			var storeName = store.storeName;
			var storeNumber = store.storeNumber;
			storeNameMap[storeNumber] = storeName;
		}

        var foundStock = false;

		for (var storeNumber in stock) {
			var stockEntry = stock[storeNumber];
			var storeName = storeNameMap[storeNumber];
			for (var s in stockEntry) {
				if (stockEntry[s] == true) {
                    foundStock = true;
					console.log(storeName + " has stock!");
					break;
				}
			}
		}

        if (!foundStock) {
            console.log("No stores have stock :-(");
        }

		console.log("");
		console.log("Go to https://reserve.cdn-apple.com/GB/en_GB/reserve/iPhone/availability for more info");
		console.log("");
		console.log("Last updated: " + stockLastUpdated.getHours()+":"+stockLastUpdated.getMinutes());

	}
}

Added checking every 5 minutes and an OSX notification; https://gist.github.com/jbrooksuk/fc50ec34f4864ec431d9

Canada Apple Store version. Runs every 5 seconds, filter by store and model, clicking on popup notification opens reservation page. Use npm install to install dependencies.
https://gist.github.com/apparition47/b18016309b9cdabf1c58