public async static Task <Dictionary <int, int> > GetDatabaseCartItems(MystoreRepository rep, Person person)
{
Dictionary <int, int> pairs = new Dictionary <int, int>();
MystoreRepository repository = rep;
var cartItems = await repository.GetCartItems(person.Id);
if (cartItems == null)
{
return(new Dictionary <int, int>());
}
foreach (CartItem item in cartItems)
{
pairs.Add(item.ProductId, item.Number);
}
return(pairs);
}
public BaseController(mystoreContext context)
{
db = context;
repository = new MystoreRepository(db);
}
/// <summary>
/// Synchronize cart items from Cookies and DataBase
/// </summary>
/// <param name="rep"></param>
/// <param name="controller"></param>
/// <param name="person"></param>
public static async Task <bool> SynchronizeShoppingCart(MystoreRepository rep, Controller controller, Person person)
{
MystoreRepository repository = rep;
if (person == null)
{
return(false);
}
Dictionary <int, int> databaseProducts = await GetDatabaseCartItems(rep, person);
Dictionary <int, int> cookiesProducts = GetCookiesCartItems(controller);
// updating DB cart items
if (CookiesService.IsShoppingCartCookiesExist(controller))
{
foreach (var pair in cookiesProducts)
{
int productId = pair.Key;
int productNumber = pair.Value;
CartItem cartItem;
cartItem = await repository.GetCartItem(person.Id, productId);
if (cartItem != null)
{
cartItem.Number += productNumber;
await repository.UpdateCartItem(cartItem);
}
else
{
cartItem = await repository.CreateCartItem(person.Id, productId, productNumber);
}
// save changes ???
}
}
// unite full list
foreach (var pair in databaseProducts)
{
if (cookiesProducts.ContainsKey(pair.Key))
{
cookiesProducts[pair.Key] += pair.Value;
}
else
{
cookiesProducts.Add(pair.Key, pair.Value);
}
}
string cookiesCartData = "";
int cookiesCartCost = 0;
foreach (var pair in cookiesProducts)
{
Product product = await repository.GetProduct(pair.Key);
cookiesCartData += "," + product.Id + "." + pair.Value;
cookiesCartCost += product.Price * pair.Value;
}
if (!String.IsNullOrEmpty(cookiesCartData))
{
cookiesCartData = cookiesCartData.Substring(1);
CookiesService.UpdateShoppingCartCookies(controller, cookiesCartCost.ToString(), cookiesCartData);
}
// await ???
repository.SaveChanges();
return(true);
}