/// <summary>
/// Make an order; return true if successful, otherwise return false.
/// </summary>
/// <param name="customerId">The ID of the customer.</param>
/// <param name="stockItemId">The ID of the stock item.</param>
/// <returns>True if the order was made.</returns>
public bool MakeOrder(long customerId, long stockItemId)
{
// this example code not intended to represent a well-designed order system ;)
using (var audit = new AuditlogSystem())
{
var verifier = new CustomerVerifier();
var orderProcesser = new OrderProcessor();
var stockChecker = new StockChecker();
if (verifier.VerifyCustomer(customerId, DateTime.UtcNow))
{
audit.LogStockInterest(customerId, stockItemId);
if (stockChecker.CheckStockAmount(stockItemId) > 0)
{
string orderValidationCode;
bool orderValidationSuccess = orderProcesser.ValidateOrder(customerId, stockItemId, out orderValidationCode);
if (orderValidationSuccess)
{
long orderId = orderProcesser.ConfirmOrder(orderValidationCode);
audit.LogOrderMade(orderId, orderValidationCode);
return(true);
}
else
{
audit.LogOrderFailed(orderValidationCode);
}
audit.LogCustomerInteraction(customerId);
}
}
return(false);
}
}
static void Main(string[] args)
{
DatabaseReader databaseReader = new DatabaseReader();
StockChecker stockChecker = new StockChecker(databaseReader);
int stock = stockChecker.NumberInStock("ABC123");
Console.WriteLine("Number in stock: " + stock);
Console.ReadLine();
}
public void TestNumberInStock_CallsTheReadQuantityMethodOfOurDatabaseReader_WhenCalled()
{
//Arrange
Mock <IDatabaseReader> mockDatabaseReader = new Mock <IDatabaseReader>();
string isbn = "ABC123"; //string isbn for act
StockChecker stockChecker = new StockChecker(mockDatabaseReader.Object); //Object
//Act
stockChecker.NumberInStock(isbn); //Method
//Assert
//Not interested in what this test returns, just that it behaves in the way we want. Want to verify the database reader had its read method quanitity called
mockDatabaseReader.Verify(r => r.ReadQuantity(It.IsAny <string>()), Times.Once);
}
private void btnPrintReceipt_Click(object sender, RoutedEventArgs e)
{
if (balanceDue >= 0)
{
printMan.itemNames = names.ToArray();
printMan.itemPrices = prices.ToArray();
printMan.itemQtys = quantities.ToArray();
printMan.gsTotal = totalDue;
printMan.gsBalance = balanceDue;
printMan.gsPaid = paidAmount;
if (StockChecker.getInstance().checkStock(names.ToArray()).Length < 1)
{
printMan.callPrintReceipt();
if (PrintSuccess.getInstance().gsIsPrintSuccessfull == true)
{
SalesUpdate.getInstance().gsSoldItemNames = names.ToArray();
SalesUpdate.getInstance().gsSoldItemPrices = prices.ToArray();
SalesUpdate.getInstance().gsSoldItemQuantities = quantities.ToArray();
SalesUpdate.getInstance().updateSales();
names.Clear();
quantities.Clear();
prices.Clear();
//new Checkout().ShowDialog();
//MainWindow.getInstance().Activate();
//this.Close();
}
}
else
{
MessageBox.Show("The CheckOut failed Due to Insuffecient Stock For The Following Items: " +
" " + string.Join(",", StockChecker.getInstance().checkStock(names.ToArray())) + " Please Restock " +
" And Retry", "Insuffecient Stock", MessageBoxButton.OK);
names.Clear();
quantities.Clear();
prices.Clear();
}
}
else
{
MessageBox.Show("The Amount Paid is Insuffecient. Please top up to avoid loss", "Warning: Insuffecient Funds", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
public void Test_NumberInStock_returns3WhenThereAre3MatchingBooksInTheDatabase()
{
//Arrange
string isbn = "ABC123";
int expected = 3;
Mock <IDatabaseReader> mockDatabaseReader = new Mock <IDatabaseReader>();
mockDatabaseReader.Setup(r => r.ReadQuantity(isbn)).Returns(3); //this is called stubbing
StockChecker stockChecker = new StockChecker(mockDatabaseReader.Object);
//Act
int actual = stockChecker.NumberInStock(isbn);
//Assert
Assert.AreEqual(expected, actual);
}
public StockCheckerTests()
{
_service = new StockChecker(_repository.Object);
}
public bool StockLevel(StockChecker stockChecker)
{
return(stockChecker.StockLevel < 5);
}