public async Task <PurchaseOperationResult> HandleOperation(Guid clientId, Guid productId)
{
CustomValidator.ValidateId(clientId);
CustomValidator.ValidateId(productId);
var client = await _clientRepository.GetOne(clientId);
var product = await _productRepository.GetOne(productId);
if (client != null && product != null)
{
var clientBooks = await _bookRepository.GetClientBooks(client.Id);
Book currentClientProductBook = null;
foreach (var b in clientBooks)
{
if (b.ProductId.Equals(product.Id))
{
currentClientProductBook = b;
break;
}
}
if (product.ProductStatus.Equals(ProductStatus.Booked) && currentClientProductBook != null)
{
await _bookRepository.DeleteOne(currentClientProductBook.Id);
}
var operationSucceed = client.Charge(product.PriceInUAH);
if (!operationSucceed)
{
return(PurchaseOperationResult.InsufficientFunds);
}
var store = await _productRepository.GetStoreOfSpecificProduct(product.Id);
store.GetProfit(product.PriceInUAH);
product.ChangeStatus(ProductStatus.Purchased);
var purchase = new Purchase(Guid.NewGuid(), clientId, productId, product.PriceInUAH);
await _clientRepository.UpdateOne(client);
await _storeRepository.UpdateOne(store);
await _productRepository.UpdateOne(product);
await _purchaseRepository.AddOne(purchase);
return(PurchaseOperationResult.Success);
}
return(PurchaseOperationResult.Fail);
}
public void HandleOperation(Guid customerId, Guid productId, bool useCashBack, bool usePoints)
{
CustomValidator.ValidateId(customerId);
CustomValidator.ValidateId(productId);
var customer = _customerRepository.GetOne(customerId);
var product = _productRepository.GetOne(productId);
if (customer == null || product == null)
{
return;
}
var books = _bookRepository.GetCustomerBooks(customer.Id);
var bookToDel = books.FirstOrDefault(b => b.ProductId.Equals(product.Id));
if (product.ProductStatus.Equals(ProductStatus.Booked) && bookToDel != null)
{
_bookRepository.DeleteOne(bookToDel.Id);
}
var priceToCompareWith = product.PriceInUAH - product.PriceInUAH *
_propertyGetter.GetProperty <int>(EntityNames.Customer, nameof(VipCustomer.DiscountPercent),
EntityNames.CustomerId, customer.Id) / 100;
var customerCashBack = _propertyGetter.GetProperty <double>(EntityNames.Customer,
nameof(VipCustomer.CashBack), EntityNames.CustomerId, customer.Id);
bool res;
if (usePoints)
{
priceToCompareWith = 0;
res = customer.Charge(product.PriceInUAH, false, true);
}
else if (useCashBack)
{
if (customerCashBack > priceToCompareWith)
{
priceToCompareWith = 0;
}
if (customerCashBack < priceToCompareWith)
{
priceToCompareWith -= customerCashBack;
}
res = customer.Charge(product.PriceInUAH, true, false);
}
else
{
res = customer.Charge(product.PriceInUAH, false, false);
}
if (!res)
{
return;
}
var store = _productRepository.GetStoreOfSpecificProduct(product.Id);
store.GetProfit(priceToCompareWith);
product.ChangeStatus(ProductStatus.Purchased);
var purchase = new Purchase(Guid.NewGuid(), customerId, productId, priceToCompareWith);
_customerRepository.UpdateOne(customer);
_storeRepository.UpdateOne(store);
_productRepository.UpdateOne(product);
_purchaseRepository.AddOne(purchase);
}