/// <summary>
/// get the number of units to sell for a product
/// </summary>
/// <returns>int numberOfUnitsToSell</returns>
public int DisplayGetNumberOfUnitsToSell(Product product)
{
ConsoleUtil.HeaderText = "Sell Inventory";
ConsoleUtil.DisplayReset();
if (product == null)
{
ConsoleUtil.DisplayMessage("No product has been selected");
DisplayContinuePrompt();
return(0);
}
else
{
//
// get number of units to buy
//
ConsoleUtil.DisplayMessage("Selling " + product.Type.ToString() + " products.");
ConsoleUtil.DisplayMessage("");
if (!ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, "products", out int numberOfUnitsToSell))
{
ConsoleUtil.DisplayMessage("It appears you are having difficulty setting the number of products to sell.");
ConsoleUtil.DisplayMessage("By default, the number of products to sell will be set to zero.");
numberOfUnitsToSell = 0;
DisplayContinuePrompt();
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage(numberOfUnitsToSell + " " + product.Type.ToString() + " products have been subtracted from the Inventory.");
DisplayContinuePrompt();
return(numberOfUnitsToSell);
}
}
/// <summary>
/// get the number of units to buy for a product
/// </summary>
/// <returns>int numberOfUnitsToBuy</returns>
public int DisplayGetNumberOfUnitsToBuy(Product product)
{
ConsoleUtil.HeaderText = "Buy Inventory";
ConsoleUtil.DisplayReset();
//
// get number of units to buy
//
ConsoleUtil.DisplayMessage("Buying " + product.Type.ToString() + " products.");
ConsoleUtil.DisplayMessage("");
if (!ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, "products", out int numberOfUnitsToBuy))
{
ConsoleUtil.DisplayMessage("It appears you are having difficulty setting the number of products to buy.");
ConsoleUtil.DisplayMessage("By default, the number of products to buy will be set to zero.");
numberOfUnitsToBuy = 0;
DisplayContinuePrompt();
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage(numberOfUnitsToBuy + " " + product.Type.ToString() + " products have been added to the Inventory.");
DisplayContinuePrompt();
return(numberOfUnitsToBuy);
}
/// <summary>
/// the user is prompted to enter the number of units to sell
/// </summary>
/// <param name="product"></param>
/// <returns></returns>
public int GetNumberOfUnitsToSell()
{
// validate get number of units from user
if (!ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, "Product", out int numberOfUnitsToSell))
{
ConsoleUtil.DisplayMessage("It appears you are having difficulties setting the number of units to buy.");
ConsoleUtil.DisplayMessage("The number of units to sell will be set to it's default value of 0.");
numberOfUnitsToSell = 0;
DisplayContinuePrompt();
}
DisplayContinuePrompt();
return(numberOfUnitsToSell);
}
/// <summary>
/// This methods prompts the user for products and adds them to the list
/// </summary>
/// <param name="salesperson"></param>
/// <returns></returns>
public List <Product> DisplayGetProducts(Salesperson salesperson)
{
// initialize new list of products
salesperson.CurrentStock = new List <Product>();
bool keepAdding = true;
string userResponse;
bool maxAttemptsExceeded = false;
Product.ProductType productType;
while (keepAdding)
{
productType = GetTypeOfProduct(salesperson, "add", out bool notInStock);
// checks to see if product already exist in inventory or is set to type none
if (!notInStock && productType != Product.ProductType.None)
{
// get number of products
if (ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, productType.ToString(), out int numberOfUnits))
{
// add product to current stock list
salesperson.CurrentStock.Add(new Product(productType, numberOfUnits, false));
userResponse = ConsoleValidator.GetYesNoFromUser(MAXIMUM_ATTEMPTS, "Do you wish to continue adding products?", out maxAttemptsExceeded);
ConsoleUtil.DisplayReset();
if (maxAttemptsExceeded || userResponse == "NO")
{
// exit the while loop
keepAdding = false;
}
else
{
//display available products to user
DisplayAvailableProducts();
ConsoleUtil.DisplayMessage("");
}
}
else
{
ConsoleUtil.DisplayMessage("It appears you are having difficulty setting the number of products in your stock.");
ConsoleUtil.DisplayMessage("By default, the number of products in your inventory are now set to 0.");
// add product to current stock list with default number of units set to 0
salesperson.CurrentStock.Add(new Product(productType, 0, false));
userResponse = ConsoleValidator.GetYesNoFromUser(MAXIMUM_ATTEMPTS, "Do you wish to continue adding products?", out maxAttemptsExceeded);
ConsoleUtil.DisplayReset();
if (maxAttemptsExceeded || userResponse == "NO")
{
// exit the while loop
keepAdding = false;
}
else
{
//display available products to user
DisplayAvailableProducts();
ConsoleUtil.DisplayMessage("");
}
}
}
else
{
ConsoleUtil.DisplayMessage(productType.ToString() + " already exist in your inventory.");
userResponse = ConsoleValidator.GetYesNoFromUser(MAXIMUM_ATTEMPTS, "Do you wish to continue adding products?", out maxAttemptsExceeded);
ConsoleUtil.DisplayReset();
if (maxAttemptsExceeded || userResponse == "NO")
{
// exit the while loop
keepAdding = false;
}
else
{
//display available products to user
DisplayAvailableProducts();
ConsoleUtil.DisplayMessage("");
}
}
if (productType == Product.ProductType.None)
{
salesperson.CurrentStock.Add(new Product(Product.ProductType.None, 0, false));
// exit while loop
keepAdding = false;
}
}
return(salesperson.CurrentStock);
}
