public Product DisplayGetNumberOfUnitsToSell(List <Product> products)
{
Product.ProductType productType;
ConsoleUtil.HeaderText = "Sell Inventory";
ConsoleUtil.DisplayReset();
productType = ListProducts(products);
//
// Get number of products to sell.
//
ConsoleUtil.DisplayMessage("Selling " + UnderscoreToSpace(productType.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 pruducts to sell will be set to zero.");
numberOfUnitsToSell = 0;
DisplayContinuePrompt();
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage(numberOfUnitsToSell + " " + UnderscoreToSpace(productType.ToString()) + (numberOfUnitsToSell > 1 && productType.ToString().Last() != 's' ? "s" : "") + " have been subtracted from the inventory.");
DisplayContinuePrompt();
return(new Product(productType, numberOfUnitsToSell, false));
}
public bool DisplaySaveAccountInfo(Salesperson salesperson, out bool maxAttemptsExceeded)
{
string userResponse;
maxAttemptsExceeded = false;
ConsoleUtil.HeaderText = "Save Account";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("The current account information.");
DisplayAccountInfo(salesperson, false);
ConsoleUtil.DisplayMessage("");
userResponse = ConsoleValidator.GetYesNoFromUser(MAXIMUM_ATTEMPTS, "Save the account information?", out maxAttemptsExceeded);
if (maxAttemptsExceeded)
{
ConsoleUtil.DisplayMessage("It appears you are having difficulty. You will return to the main menu.");
return(false);
}
else
{
//
// Note use of ternary operator.
//
return(userResponse.ToLower() == "yes" ? true : false);
}
}
/// <summary>
/// get the number of product units to sell from the user
/// </summary>
/// <returns>int number of units to buy</returns>
public int DisplayGetNumberOfUnitsToSell(Product product)
{
ConsoleUtil.HeaderText = "Sell Inventory";
ConsoleUtil.DisplayReset();
//
// get number of products to sell
//
ConsoleUtil.DisplayMessage("Selling " + product.Type.ToString() + " products.");
ConsoleUtil.DisplayMessage("");
if (!ConsoleValidator.TryGetIntegerFromUser(0, 100, 3, "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);
}
public Product DisplayGetNumberOfUnitsToBuy(List <Product> products)
{
Product.ProductType productType;
ConsoleUtil.HeaderText = "Buy Inventory";
ConsoleUtil.DisplayReset();
productType = ListProducts(products);
//
// get number of products to buy
//
ConsoleUtil.DisplayMessage("Buying " + UnderscoreToSpace(productType.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 sell will be set to zero.");
numberOfUnitsToBuy = 0;
DisplayContinuePrompt();
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage(numberOfUnitsToBuy + " " + UnderscoreToSpace(productType.ToString()) + " products have been added to the inventory.");
DisplayContinuePrompt();
return(new Product(productType, numberOfUnitsToBuy, false));
}
/// <summary>
/// queries user to load account information
/// </summary>
/// <param name="salesperson">Salesperson object</param>
/// <param name="maxAttemptsExceeded">maximum attempts exceeded flag</param>
/// <returns>user choice</returns>
public bool DisplayLoadAccountInfo(out bool maxAttemptsExceeded)
{
string userResponse;
maxAttemptsExceeded = false;
ConsoleUtil.HeaderText = "Load Account";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("");
userResponse = ConsoleValidator.GetYesNoFromUser(MAXIMUM_ATTEMPTS, "Load the account information?", out maxAttemptsExceeded);
if (maxAttemptsExceeded)
{
ConsoleUtil.DisplayMessage("It appears you are having difficulty. You will return to the main menu.");
return(false);
}
else
{
//
// note use of ternary operator
//
return(userResponse == "YES" ? true : false);
}
}
/// <summary>
/// get the number of product units to buy from the user
/// </summary>
/// <returns>int number of units to buy</returns>
public int DisplayGetNumberOfUnitsToBuy(Product product)
{
ConsoleUtil.HeaderText = "Buy Inventory";
ConsoleUtil.DisplayReset();
int numberOfUnitsToBuy;
//
// get number of products to buy
//
ConsoleUtil.DisplayMessage("Buying " + product.Type.ToString() + " products.");
ConsoleUtil.DisplayMessage("");
if (!ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, "products", out 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 sell 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);
}
public int DisplayGetNumberOfUnitsToBuy(Product product)
{
ConsoleUtil.HeaderText = "Buy Inventory";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Buying " + product.Type.ToString() + " products.");
ConsoleUtil.DisplayMessage("");
// validate get number of units from user
if (!ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, "Product", out int numberOfUnitsToBuy))
{
ConsoleUtil.DisplayMessage("It appears you are having difficulties setting the number of units to buy.");
ConsoleUtil.DisplayMessage("The number of units to buy will be set to it's default value of 0.");
numberOfUnitsToBuy = 0;
DisplayContinuePrompt();
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage(numberOfUnitsToBuy + " products of " + product.Type.ToString() + " have been added to the inventory.");
DisplayContinuePrompt();
return(numberOfUnitsToBuy);
}
public Salesperson DisplayUpdateAccountInfo(Salesperson _salesperson)
{
ConsoleUtil.HeaderText = "Updating Account Info";
ConsoleUtil.DisplayReset();
//ConsoleKeyInfo userResponse = Console.ReadKey();
ConsoleUtil.DisplayMessage("Re-enter a value if you must update. If the info doesn't have to be changed," +
"\nsimply press the Enter key.\n");
Console.WriteLine();
Console.Write($"Current first name: {_salesperson.FirstName}. New first name: ");
ConsoleKeyInfo userResponse = Console.ReadKey();
if (userResponse.Key != ConsoleKey.Enter)
{
_salesperson.FirstName = userResponse.Key.ToString() + Console.ReadLine();
}
Console.WriteLine();
Console.Write($"Current last name: {_salesperson.LastName}. New last name: ");
userResponse = Console.ReadKey();
if (userResponse.Key != ConsoleKey.Enter)
{
_salesperson.LastName = userResponse.Key.ToString() + Console.ReadLine();
}
Console.WriteLine();
Console.Write($"Current account ID: {_salesperson.AccountID}. New account ID: ");
userResponse = Console.ReadKey();
if (userResponse.Key != ConsoleKey.Enter)
{
_salesperson.AccountID = userResponse.Key.ToString() + Console.ReadLine();
}
{
if (ConsoleValidator.TryGetIntegerFromUser(18, 100, 3, "your age", out int userInteger))
{
Console.WriteLine("Incorrect answer, you must be old. Age set to 100.");
_salesperson.Age = 100;
}
_salesperson.Age = userInteger;
}
return(_salesperson);
}
/// <summary>
/// get the number of units to sell from the user
/// </summary>
/// <param name="_salesperson"></param>
/// <returns></returns>
public int DisplayGetNumberOfUnitsToSell(Salesperson _salesperson)
{
ConsoleUtil.HeaderText = "Sell Inventory";
ConsoleUtil.DisplayReset();
if (!ConsoleValidator.TryGetIntegerFromUser(0, 100, 3, "products", out int numberOfUnitsToSell))
{
ConsoleUtil.DisplayMessage("You are entering invalid numbers of products to sell.");
ConsoleUtil.DisplayMessage("We will sell 0 products.");
numberOfUnitsToSell = 0;
DisplayContinuePrompt();
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("You have sold " + numberOfUnitsToSell + " " + _salesperson.Inventory.Type.ToString() + " units");
DisplayContinuePrompt();
return(numberOfUnitsToSell);
}
public bool DisplayLoadAccountInfo(Salesperson _salesperson, out bool maxAttemptsExceeded)
{
maxAttemptsExceeded = false;
string userResponse;
ConsoleUtil.HeaderText = "Load Account";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("");
userResponse = ConsoleValidator.GetYesNoFromUser(maxAttempts, "Load account info?", out maxAttemptsExceeded);
if (maxAttemptsExceeded)
{
ConsoleUtil.DisplayMessage("It appears you are having difficult, we will return you" +
"to the main menu");
}
else
{
return(userResponse == "yes" ? true : false);
}
return(maxAttemptsExceeded);
}
/// <summary>
/// setup the new salesperson object with the initial data
/// Note: To maintain the pattern of only the Controller changing the data this method should
/// return a Salesperson object with the initial data to the controller. For simplicity in
/// this demo, the ConsoleView object is allowed to access the Salesperson object's properties.
/// </summary>
public Salesperson DisplaySetupAccount()
{
Salesperson _salesperson = new Salesperson();
ConsoleUtil.HeaderText = "Account Setup";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayPromptMessage("First Name: ");
_salesperson.FirstName = UppercaseFirst(Console.ReadLine());
ConsoleUtil.DisplayPromptMessage("Last Name: ");
_salesperson.LastName = UppercaseFirst(Console.ReadLine());
ConsoleUtil.DisplayPromptMessage("Account ID: ");
_salesperson.AccountID = Console.ReadLine();
if (!ConsoleValidator.TryGetIntegerFromUser(18, 100, 3, "Age", out int userInteger))
{
Console.WriteLine("Looks like you are having trouble with your age. Clearly you are old as dirt, setting age to 100.");
_salesperson.Age = 100;
}
_salesperson.Age = userInteger;
string userResponse = ConsoleValidator.GetYesNoFromUser(3, "Are you a hockey fan?", out bool maxAttemptsExceeded);
if (maxAttemptsExceeded)
{
Console.WriteLine("Not valid answer. You must not be a hockey fan.");
}
if (userResponse == "yes")
{
_salesperson.IsHockeyFan = true;
}
else
{
_salesperson.IsHockeyFan = false;
}
ConsoleUtil.DisplayMessage("Product Types");
ConsoleUtil.DisplayMessage("");
//
// list all product types
//
foreach (string productTypeName in Enum.GetNames(typeof(Product.ProductType)))
{
//
// do not display the "NONE" enum value
//
if (productTypeName != Product.ProductType.None.ToString())
{
ConsoleUtil.DisplayMessage(productTypeName);
}
}
//
// get product type, if invalid entry, set type to "None"
//
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter the product type: ");
Product.ProductType productType;
if (Enum.TryParse <Product.ProductType>(UppercaseFirst(Console.ReadLine()), out productType))
{
_salesperson.Inventory.Type = productType;
}
else
{
_salesperson.Inventory.Type = Product.ProductType.None;
}
if (ConsoleValidator.TryGetIntegerFromUser(0, 100, 3, "units", out int numberOfUnits))
{
_salesperson.Inventory.AddProducts(numberOfUnits);
}
else
{
ConsoleUtil.DisplayMessage("You did not enter a valid number of units.");
ConsoleUtil.DisplayMessage("We will set your intentory to 0");
}
_salesperson.Inventory.NumberOfUnits = numberOfUnits;
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Your account is now setup");
return(_salesperson);
}
public void DisplayAddInventory(Salesperson salesperson)
{
Product.ProductType productType;
string errorMes = "It appears you have selected an incorrect choice.";
ConsoleUtil.HeaderText = "Add Inventory";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Select the product you'd like to add.");
ConsoleUtil.DisplayMessage("");
while (true)
{
ConsoleUtil.DisplayMessage("Product Types:");
ConsoleUtil.DisplayMessage("");
//
// list all product types
//
for (int i = 1; i < Enum.GetNames(typeof(Product.ProductType)).Length; i++)
{
Console.WriteLine("\t " + i + ". " + UnderscoreToSpace(Enum.GetName(typeof(Product.ProductType), i)));
}
//
// get product type, if invalid entry ask user to choose again.
//
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Select a product type. (1 - " + (Enum.GetNames(typeof(Product.ProductType)).Length - 1) + "): ");
ConsoleKeyInfo userResponse = Console.ReadKey(true);
ConsoleUtil.DisplayMessage("");
if (Enum.TryParse <Product.ProductType>(userResponse.KeyChar.ToString(), out productType))
{
if (salesperson.CurrentStock.Exists(x => x.Type == productType))
{
errorMes = UnderscoreToSpace(productType.ToString()) + " is already in your inventory try a different item.";
}
else
{
ConsoleUtil.DisplayMessage("You've selected " + UnderscoreToSpace(productType.ToString()) + ".");
break;
}
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage(
errorMes + Environment.NewLine +
"Press any key to continue or the ESC key to quit the application.");
}
ConsoleUtil.DisplayMessage("");
//
// get number of products in inventory
//
if (ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, "products", out int numberOfUnits))
{
salesperson.CurrentStock.Add(new Product(productType, numberOfUnits, false));
}
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 zero.");
salesperson.CurrentStock.Add(new Product(productType, 0, false));
}
salesperson.Logs.Push(DateTime.Now + " ... " + numberOfUnits + " " + productType + " added to inventory!");
}
/// <summary>
/// setup the new salesperson object with the initial data
/// Note: To maintain the pattern of only the Controller changing the data this method should
/// return a Salesperson object with the initial data to the controller. For simplicity in
/// this demo, the ConsoleView object is allowed to access the Salesperson object's properties.
/// </summary>
public Salesperson DisplaySetupAccount()
{
Salesperson salesperson = new Salesperson();
ConsoleUtil.HeaderText = "Account Setup";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Setup your account now.");
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter your first name: ");
salesperson.FirstName = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter your last name: ");
salesperson.LastName = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter your account ID: ");
salesperson.AccountID = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayMessage("Product Types");
ConsoleUtil.DisplayMessage("");
//
// list all product types
//
foreach (string productTypeName in Enum.GetNames(typeof(Product.ProductType)))
{
//
// do not display the "None" enum value
//
if (productTypeName != Product.ProductType.None.ToString())
{
ConsoleUtil.DisplayMessage(productTypeName);
}
}
//
// get product type, if invalid entry, set type to "None"
//
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter the product type: ");
Product.ProductType productType;
if (Enum.TryParse <Product.ProductType>(UppercaseFirst(Console.ReadLine()), out productType))
{
salesperson.CurrentStock.Type = productType;
}
else
{
salesperson.CurrentStock.Type = Product.ProductType.None;
}
//
// get number of products in inventory
//
if (ConsoleValidator.TryGetIntegerFromUser(0, 100, 3, "products", out int numberOfUnits))
{
salesperson.CurrentStock.AddProducts(numberOfUnits);
}
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 zero.");
salesperson.CurrentStock.AddProducts(0);
DisplayContinuePrompt();
}
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Your account is setup");
DisplayContinuePrompt();
return(salesperson);
}
/// <summary>
/// setup the new salesperson object with the initial data
/// Note: To maintain the pattern of only the Controller changing the data this method should
/// return a Salesperson object with the initial data to the controller. For simplicity in
/// this demo, the ConsoleView object is allowed to access the Salesperson object's properties.
/// </summary>
public Salesperson DisplaySetupAccount()
{
Salesperson salesperson = new Salesperson();
ConsoleUtil.HeaderText = "Account Setup";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Setup your account now.");
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter your first name: ");
salesperson.FirstName = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter your last name: ");
salesperson.LastName = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter your account ID: ");
salesperson.AccountID = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayMessage("Product Types: ");
ConsoleUtil.DisplayMessage("");
// list all types of products available
// Enum.GetNames retrieves an array of the names in ProductType
foreach (string productName in Enum.GetNames(typeof(Product.ProductType)))
{
// do not display "None" product type
if (productName != "None")
{
ConsoleUtil.DisplayMessage(productName);
}
}
// get product type from user, if input is invalid: product type will be set to "None"
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter product: ");
// new variable for product type
//Product.ProductType productType;
if (Enum.TryParse <Product.ProductType>(UppercaseFirst(Console.ReadLine()), out Product.ProductType productType))
{
// set type of current stock to selected product type
salesperson.CurrentStock.Type = productType;
}
else
{
// sets type of current stock to "none" product type
salesperson.CurrentStock.Type = Product.ProductType.None;
}
// get number of products
if (ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, "products", out int numberOfUnits))
{
// add products to current stock
salesperson.CurrentStock.AddProducts(numberOfUnits);
}
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.");
salesperson.CurrentStock.AddProducts(0);
DisplayContinuePrompt();
}
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Your account is setup");
ConsoleUtil.DisplayMessage(numberOfUnits + " units of " + productType + " have been added to your inventory.");
DisplayContinuePrompt();
return(salesperson);
}