public LinkedList <UserCart> getShoppingCartBeforeCheckout(User session)
{
if (!(session.getState() is Guest))
{
products = UserCartsManager.getInstance().getUserShoppingCart(session.getUserName());
}
updateRegularPricesForCart(); // set all the regular prices for the cart - before discount
foreach (UserCart uc in products)
{
Sale sale = SalesManager.getInstance().getSale(uc.getSaleId());
LinkedList <Discount> discounts = DiscountsManager.getInstance().getAllDiscountsById(sale.ProductInStoreId);
uc.PriceAfterDiscount = uc.Price;
foreach (Discount d in discounts)
{
if (fulfillTypeOfSaleRestriction(sale.TypeOfSale, d))
{
double dis = uc.PriceAfterDiscount * (d.Percentage / 100);
double updatedPrice = uc.PriceAfterDiscount - dis;
uc.PriceAfterDiscount = updatedPrice;
}
}
}
return(products);
}
public int removeFromCart(User session, int saleId)
{
Sale isExist = SalesManager.getInstance().getSale(saleId);
if (isExist == null)
{
return(-2); // -2 = the sale id does not exist
}
if (!(session.getState() is Guest))
{
if (!UserCartsManager.getInstance().removeUserCart(session.getUserName(), saleId))
{
return(-3); // trying to remove a product that does not exist in the cart
}
}
foreach (UserCart c in products)
{
if (c.getUserName().Equals(session.getUserName()) && c.getSaleId() == saleId)
{
products.Remove(c);
return(1);
}
}
return(-3);
}
public LinkedList <UserCart> getShoppingCartProducts(User session)
{
if (!(session.getState() is Guest))
{
products = UserCartsManager.getInstance().getUserShoppingCart(session.getUserName());
}
updateRegularPricesForCart();
return(products);
}
public void init()
{
WebServices.DAL.CleanDB cDB = new WebServices.DAL.CleanDB();
cDB.emptyDB();
UserCartsManager.restartInstance();
userCartsArchive = UserCartsManager.getInstance();
userCartsArchive.updateUserCarts("itamar", 1, 1);
userCartsArchive.updateUserCarts("itamar", 2, 1);
userCartsArchive.updateUserCarts("niv", 3, 3, 50);
userCartsArchive.updateUserCarts("niv", 3, 1);
}
public int addToCart(User session, int saleId, int amount)
{
Sale saleExist = SalesManager.getInstance().getSale(saleId);
if (saleExist == null)
{
return(-3); //-3 = saleId entered doesn't exist
}
if (!checkValidDate(saleExist))
{
return(-4); // -4 = the date for the sale is no longer valid
}
if (saleExist.TypeOfSale != 1)
{
return(-5); //-5 = trying to add a sale with type different from regular sale type
}
int amountInStore = ProductManager.getInstance().getProductInStore(saleExist.ProductInStoreId).getAmount();
if (amount > amountInStore || amount <= 0)
{
return(-6); // -6 = amount is bigger than the amount that exist in stock
}
int amountForSale = SalesManager.getInstance().getSale(saleId).Amount;
if (amount > amountForSale || amount <= 0)
{
return(-7); //amount is bigger than the amount currently up for sale
}
if (!(session.getState() is Guest))
{
UserCartsManager.getInstance().updateUserCarts(session.getUserName(), saleId, amount);
}
UserCart toAdd = new UserCart(session.getUserName(), saleId, amount);
foreach (UserCart c in products)
{
if (c.getUserName().Equals(toAdd.getUserName()) && c.getSaleId() == toAdd.getSaleId())
{
if (c.getAmount() + amount <= amountForSale)
{
c.setAmount(c.getAmount() + amount);
return(1); // OK
}
return(-7);
}
}
//in updateUserCarts we already add the product in case it doesn't exist, so no need to add to DB here also
products.AddLast(toAdd);
return(1);
}
public int addToCartRaffle(User session, int saleId, double offer)
{
Sale sale = SalesManager.getInstance().getSale(saleId);
if (sale == null)
{
return(-3); // sale id entered does not exist
}
if (sale.TypeOfSale != 3)
{
return(-4); // sale is not of type raffle
}
if (!checkValidDate(sale))
{
return(-5); // the date for the sale is no longer valid
}
UserCart isExist = UserCartsManager.getInstance().getUserCart(session.getUserName(), sale.SaleId);
if (isExist != null)
{
return(-6); // already have an instance of the raffle sale in the cart
}
double remainingSum = getRemainingSumForOffers(sale.SaleId);
if (offer > remainingSum || offer <= 0)
{
return(-8); // offer is bigger than remaining sum to pay
}
if (!(session.getState() is Guest))
{
UserCartsManager.getInstance().updateUserCarts(session.getUserName(), sale.SaleId, 1, offer);
}
else
{
return(-7); // cannot add a raffle sale to cart while on guest mode
}
//UserCart toAdd = UserCartsManager.getInstance().getUserCart(session.getUserName(), sale.SaleId);
UserCart toAdd = new UserCart(session.getUserName(), sale.SaleId, 1);
toAdd.setOffer(offer);
session.getShoppingCart().AddLast(toAdd);
return(1);
}
public int editCart(User session, int saleId, int newAmount)
{
Sale sale = SalesManager.getInstance().getSale(saleId);
if (sale == null)
{
return(-2);
}
if (sale.TypeOfSale == 3)
{
return(-3); // trying to edit amount of a raffle sale
}
ProductInStore p = ProductManager.getInstance().getProductInStore(sale.ProductInStoreId);
if (newAmount > sale.Amount)
{
return(-4); // new amount is bigger than currently up for sale
}
if (newAmount > p.getAmount())
{
return(-5); // new amount is bigger than currently exist in stock
}
if (newAmount <= 0)
{
return(-6); // new amount can't be zero or lower
}
if (!(session.getState() is Guest))
{
UserCartsManager.getInstance().editUserCarts(session.getUserName(), saleId, newAmount);
}
foreach (UserCart product in products)
{
if (product.getUserName().Equals(session.getUserName()) && saleId == product.getSaleId())
{
product.setAmount(newAmount);
return(1);
}
}
return(-7); // trying to edit amount of product that does not exist in cart
}
public void init()
{
WebServices.DAL.CleanDB cDB = new WebServices.DAL.CleanDB();
cDB.emptyDB();
ProductManager.restartInstance();
SalesManager.restartInstance();
StoreManagement.restartInstance();
UserManager.restartInstance();
UserCartsManager.restartInstance();
DiscountsManager.restartInstance();
CouponsManager.restartInstance();
RaffleSalesManager.restartInstance();
pA = ProductManager.getInstance();
saleA = SalesManager.getInstance();
storeA = StoreManagement.getInstance();
userA = UserManager.getInstance();
userCartA = UserCartsManager.getInstance();
discountA = DiscountsManager.getInstance();
couponA = CouponsManager.getInstance();
raffleA = RaffleSalesManager.getInstance();
p1 = pA.addProduct("Milk");
p2 = pA.addProduct("Bread");
p3 = pA.addProduct("T.V");
zahi = new User("zahi", "123456");
aviad = new User("aviad", "123456");
aviad.register("aviad", "123456");
zahi.register("zahi", "123456");
store = storeA.addStore("zahi inc", zahi);
pis1 = ProductManager.getInstance().addProductInStore(p1, store, 20, 10);
pis2 = ProductManager.getInstance().addProductInStore(p2, store, 30, 15);
pis3 = ProductManager.getInstance().addProductInStore(p3, store, 40, 50);
sale1 = saleA.addSale(pis1.getProductInStoreId(), 1, 10, "1/5/2020");
sale2 = saleA.addSale(pis2.getProductInStoreId(), 1, 10, "1/5/2020");
sale3 = saleA.addSale(pis3.getProductInStoreId(), 3, 1, "1/5/2020");
cart = new ShoppingCart();
}
public Tuple <int, LinkedList <UserCart> > checkout(User session, string country, string address)
{
if (!(session.getState() is Guest))
{
products = UserCartsManager.getInstance().getUserShoppingCart(session.getUserName());
}
/*
* first we check all the products in the cart fulfill their terms of amount
* */
int checkAmountFulfillmentAns = checkAmountFulfillment(country);
if (checkAmountFulfillmentAns != -1)
{
return(Tuple.Create(checkAmountFulfillmentAns, products));
}
checkAndUpdateDiscountsByPolicys(country);
return(Tuple.Create(-1, products));
}
/*
* return:
* 0 if login success
* -1 username not exist
* -2 password not exist
* -3 user is removed
* -4 you are allready logged in
*/
public int login(String username, String password)
{
int user = state.login(username, password);
if (user == 0)
{
if (username == "admin" || username == "admin1")
{
state = new Admin();
}
else
{
state = new LogedIn();
}
this.userName = username;
this.password = password;
shoppingCart.products = UserCartsManager.getInstance().getUserShoppingCart(userName);
return(0);
}
return(user);
}
public int buyProductsInCart(User session, string country, string adress, string creditCard)
{
int allBought = 1;
LinkedList <UserCart> toDelete = new LinkedList <UserCart>();
if (creditCard == null || creditCard.Equals(""))
{
return(-2);
}
foreach (UserCart product in products)
{
Sale sale = SalesManager.getInstance().getSale(product.getSaleId());
if (sale.TypeOfSale == 1 && checkValidAmount(sale, product) && checkValidDate(sale)) //regular buy
{
if (paymentProxy.payForProduct(creditCard, session, product))
{
if (!shippingProxy.sendShippingRequest(session, country, adress, creditCard))
{
return(-9);
}
ProductInStore p = ProductManager.getInstance().getProductInStore(sale.ProductInStoreId);
int productId = p.getProduct().getProductId();
int storeId = p.getStore().getStoreId();
String userName = session.getUserName();
DateTime currentDate = DateTime.Today;
String date = currentDate.ToString();
int amount = product.getAmount();
int typeOfSale = sale.TypeOfSale;
Purchase.addBuyHistory(productId, storeId, userName, product.PriceAfterDiscount, date, amount, typeOfSale);
//BuyHistoryManager.getInstance().addBuyHistory(productId, storeId, userName, product.PriceAfterDiscount, date, amount,
// typeOfSale);
toDelete.AddLast(product);
SalesManager.getInstance().setNewAmountForSale(product.getSaleId(), sale.Amount - product.getAmount());
Purchase.alertOwnersOnPurchase(StoreManagement.getInstance().getAllOwners(p.store.storeId), p.productInStoreId, 1);
}
else
{
allBought = -4;
}
}
else if (sale.TypeOfSale == 2) // auction buy
{
}
else if (sale.TypeOfSale == 3 && checkValidDate(sale)) // raffle buy
{
double offer = product.getOffer();
double remainingSum = getRemainingSumForOffers(sale.SaleId);
if (offer > remainingSum)
{
allBought = -4;
}
else
{
if (paymentProxy.payForProduct(creditCard, session, product))
{
RaffleSalesManager.getInstance().addRaffleSale(sale.SaleId, session.getUserName(), offer, sale.DueDate);
ProductInStore p = ProductManager.getInstance().getProductInStore(sale.ProductInStoreId);
int productId = p.getProduct().getProductId();
int storeId = p.getStore().getStoreId();
String userName = session.getUserName();
DateTime currentDate = DateTime.Today;
String date = currentDate.ToString();
int amount = product.getAmount();
int typeOfSale = sale.TypeOfSale;
Purchase.addBuyHistory(productId, storeId, userName, offer, date, amount, typeOfSale);
//BuyHistoryManager.getInstance().addBuyHistory(productId, storeId, userName, offer, date, amount,
// typeOfSale);
RaffleSalesManager.getInstance().sendMessageTORaffleWinner(sale.SaleId);
SalesManager.getInstance().setNewAmountForSale(product.getSaleId(), sale.Amount - product.getAmount());
Purchase.alertOwnersOnPurchase(StoreManagement.getInstance().getAllOwners(p.store.storeId), p.productInStoreId, 3);
toDelete.AddLast(product);
}
else
{
allBought = -4;
}
}
}
else
{
return(-5); // unknown error - should not happen
}
}
foreach (UserCart uc in toDelete)
{
if (!(session.getState() is Guest))
{
UserCartsManager.getInstance().removeUserCart(session.userName, uc.SaleId);
}
products.Remove(uc);
}
return(allBought);
}
