public void DisplayAccountDetail(Salesperson salesperson)
{
ConsoleUtil.DisplayMessage("First Name: " + salesperson.FirstName);
ConsoleUtil.DisplayMessage("Last Name: " + salesperson.LastName);
ConsoleUtil.DisplayMessage("Account ID: " + salesperson.AccountID);
}
/// <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.DisplayPromptMessage("Product Types: ");
ConsoleUtil.DisplayMessage("");
foreach (string productTypeName in Enum.GetNames(typeof(ProductType)))
{
if (productTypeName != ProductType.None.ToString())
{
ConsoleUtil.DisplayMessage(productTypeName);
}
}
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Enter the product type: ");
ProductType productType;
if (Enum.TryParse <ProductType>(UppercaseFirst(Console.ReadLine()), out productType))
{
salesperson.CurrentStock.Type = productType;
}
else
{
salesperson.CurrentStock.Type = ProductType.None;
}
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.DisplayReset();
ConsoleUtil.DisplayMessage("Your account is setup");
DisplayContinuePrompt();
return(salesperson);
}
/// <summary>
/// get the menu choice from the user
/// </summary>
public MenuOption DisplayGetUserMenuChoice()
{
MenuOption userMenuChoice = MenuOption.None;
bool usingMenu = true;
while (usingMenu)
{
//
// set up display area
//
ConsoleUtil.DisplayReset();
Console.CursorVisible = false;
//
// display the menu
//
ConsoleUtil.DisplayMessage("Please type the number of your menu choice.");
ConsoleUtil.DisplayMessage("");
Console.Write(
"\t" + "1. Travel" + Environment.NewLine +
"\t" + "2. Setup Account" + Environment.NewLine +
"\t" + "3. Buy" + Environment.NewLine +
"\t" + "4. Sell" + Environment.NewLine +
"\t" + "5. Inventory" + Environment.NewLine +
"\t" + "6. Display Cities" + Environment.NewLine +
"\t" + "7. Display Account Info" + Environment.NewLine +
"\t" + "8. Save Account Info" + Environment.NewLine +
"\t" + "9. Load Account Info" + Environment.NewLine +
"\t" + "E. Exit" + Environment.NewLine);
//
// get and process the user's response
// note: ReadKey argument set to "true" disables the echoing of the key press
//
ConsoleKeyInfo userResponse = Console.ReadKey(true);
switch (userResponse.KeyChar)
{
case '1':
userMenuChoice = MenuOption.Travel;
usingMenu = false;
break;
case '2':
userMenuChoice = MenuOption.SetupAccount;
usingMenu = false;
break;
case '3':
userMenuChoice = MenuOption.Buy;
usingMenu = false;
break;
case '4':
userMenuChoice = MenuOption.Sell;
usingMenu = false;
break;
case '5':
userMenuChoice = MenuOption.DisplayInventory;
usingMenu = false;
break;
case '6':
userMenuChoice = MenuOption.DisplayCities;
usingMenu = false;
break;
case '7':
userMenuChoice = MenuOption.DisplayAccountInfo;
usingMenu = false;
break;
case '8':
userMenuChoice = MenuOption.SaveAccountInfo;
usingMenu = false;
break;
case '9':
userMenuChoice = MenuOption.LoadAccountInfo;
usingMenu = false;
break;
case 'E':
case 'e':
userMenuChoice = MenuOption.Exit;
usingMenu = false;
break;
default:
ConsoleUtil.DisplayMessage(
"It appears you have selected an incorrect choice." + Environment.NewLine +
"Press any key to continue or the ESC key to quit the application.");
userResponse = Console.ReadKey(true);
if (userResponse.Key == ConsoleKey.Escape)
{
usingMenu = false;
}
break;
}
}
Console.CursorVisible = true;
return(userMenuChoice);
}
/// <summary>
/// helper method to get a valid integer from the user within a range
/// </summary>
/// <param name="minValue">inclusive minimum value</param>
/// <param name="maxValue">inclusive maximum value</param>
/// <param name="maxAttempts">maximum number of attempts</param>
/// <param name="pluralName">plural name of item</param>
/// <param name="validInput">indicates valid user input</param>
/// <returns></returns>
public static bool TryGetIntegerFromUser(int minValue, int maxValue, int maxAttempts, string pluralName, out int userInteger)
{
bool validInput = false;
bool maxAttemptsExceeded = false;
string userResponse;
string feedbackMessage = "";
int attempts = 1;
userInteger = 0;
while (!validInput && !maxAttemptsExceeded)
{
//
// more attempts available
//
if (attempts <= maxAttempts)
{
ConsoleUtil.DisplayPromptMessage($"Enter the number, between {minValue} and {maxValue}, of {pluralName}:");
userResponse = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
//
// input is an Integer
//
if (int.TryParse(userResponse, out userInteger))
{
//
// input is in range
//
if (userInteger >= minValue && userInteger <= maxValue)
{
validInput = true;
}
//
// input is not in range
//
else
{
feedbackMessage = $"The number {userInteger} is not in the specified range.";
}
}
//
// input is not an Integer
//
else
{
feedbackMessage = $"{userResponse} is not an integer.";
}
if (!validInput && attempts <= maxAttempts)
{
ConsoleUtil.DisplayMessage($"You entered: {userResponse}");
ConsoleUtil.DisplayMessage(feedbackMessage);
if (attempts < maxAttempts)
{
ConsoleUtil.DisplayMessage($"Please enter an integer between {minValue} and {maxValue}.");
ConsoleUtil.DisplayMessage("Press any key to try again.");
Console.ReadKey();
}
else
{
ConsoleUtil.DisplayMessage("It appears you have exceeded the maximum number of attempts allowed.");
ConsoleUtil.DisplayMessage("Press any key to continue.");
Console.ReadKey();
}
Console.Clear();
}
else
{
ConsoleUtil.DisplayMessage("");
}
attempts++;
}
else
{
maxAttemptsExceeded = true;
}
}
return(validInput);
}