Geekwise2 Day 8 - Shopping Cart Part 2

emptyCart

emptyCart: function() {
	// Sets items object to an empty object
	items = {};
	// Remove the items cookie
	$cookieStore.remove('items');
}

getItems

getItems: function() {
	// Initialize the itemsCookie variable
	var itemsCookie;
	// Check if cart is empty	
	if(!items.length) {
		// Get the items cookie
		itemsCookie = $cookieStore.get('items');
		// Check if the item cookie exists
		if(itemsCookie) {
			// Loop through the items in the cookie
			angular.forEach(itemsCookie, function(item, key) {
				// Get the product details from the ProductService using the guid
				SwagService.get({id: key)}.then(function(response){
					var product = response.data;
					// Update the quantity to the quantity saved in the cookie
					product.quantity = item;
					// Add the product to the cart items object using the guid as the key
					items[product.guid] = product;
				});
			});
		}
	}
	// Returns items object
	return items;
}

updateItemsCookie

function updateItemsCookie() {
	// Initialize an object to be saved as the cookie
	var itemsCookie = {};
	// Loop through the items in the cart
	angular.forEach(items, function(item, key) {
		// Add each item to the items cookie,
		// using the guid as the key and the quantity as the value
    		itemsCookie[key] = item.quantity;
	});
	// Use the $cookieStore service to persist the itemsCookie object to the cookie named 'items'
	$cookieStore.put('items', itemsCookie);
}