/// <summary>
/// prompts the user to load account and travel log information
/// overloaded method to avoid passing a null value
/// </summary>
/// <param name="salesperson"></param>
/// <param name="maxAttemptsExceeded"></param>
/// <returns></returns>
public bool DisplayLoadAccountInfo(Salesperson salesperson, out bool maxAttemptsExceeded)
{
string userResponse;
maxAttemptsExceeded = false;
ConsoleUtil.HeaderText = "Load Account Information";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("");
userResponse = ConsoleValidator.GetYesNoFromUser(MAXIMUM_ATTEMPTS, "Load the account information?", out maxAttemptsExceeded);
if (maxAttemptsExceeded)
{
ConsoleUtil.DisplayMessage("It appears you are having difficulties. You will return to the main menu.");
return(false);
}
else
{
// note use of ternary operator (takes three arguments)
return(userResponse == "YES" ? true : false);
}
}
/// <summary>
/// display a list of the cities traveled
/// </summary>
public void DisplayCitiesTraveled(Salesperson salesperson)
{
ConsoleUtil.HeaderText = "Travel Log";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("You have traveled to the following cities:");
ConsoleUtil.DisplayMessage("");
foreach (City city in salesperson.CitiesVisited)
{
ConsoleUtil.DisplayMessage("City: " + city.CityName.ToUpper());
foreach (Product product in city.SalesInfo)
{
ConsoleUtil.DisplayMessage("\tProduct Type: " + product.Type.ToString());
ConsoleUtil.DisplayMessage("\tUnits Bought: " + product.ProductsBought.ToString());
ConsoleUtil.DisplayMessage("\tUnits Sold: " + product.ProductsSold.ToString());
ConsoleUtil.DisplayMessage("");
}
ConsoleUtil.DisplayMessage("");
}
DisplayContinuePrompt();
}
/// <summary>
/// method displays menu system that allow the user to update account info of their choosing
/// </summary>
/// <param name="salesperson"></param>
/// <returns></returns>
public Salesperson DisplayUpdateAccount(Salesperson salesperson)
{
bool usingMenu = true;
ConsoleUtil.HeaderText = "Update Account";
ConsoleUtil.DisplayReset();
while (usingMenu)
{
// display account details to user
DisplayAccountDetail(salesperson);
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayMessage("Type the number for which info you wish to update: ");
ConsoleUtil.DisplayMessage("");
Console.Write(
"\t" + "1. First Name" + Environment.NewLine +
"\t" + "2. Last Name" + Environment.NewLine +
"\t" + "3. Account ID" + Environment.NewLine +
"\t" + "E. Main Menu" + Environment.NewLine);
//
// get and process the user's response
ConsoleKeyInfo userResponse = Console.ReadKey(true);
switch (userResponse.KeyChar)
{
case '1':
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Update your first name:");
salesperson.FirstName = Console.ReadLine();
ConsoleUtil.DisplayReset();
break;
case '2':
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Update your last name:");
salesperson.LastName = Console.ReadLine();
ConsoleUtil.DisplayReset();
break;
case '3':
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("");
ConsoleUtil.DisplayPromptMessage("Update your account ID name:");
salesperson.AccountID = Console.ReadLine();
ConsoleUtil.DisplayReset();
break;
case 'E':
case 'e':
usingMenu = false;
break;
default:
ConsoleUtil.DisplayMessage(
"It appears you have selected an incorrect choice." + Environment.NewLine +
"Press any key to return to continue");
userResponse = Console.ReadKey(true);
break;
}
}
DisplayContinuePrompt();
return(salesperson);
}
/// <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);
}
/// <summary>
/// Display Account Details
/// </summary>
/// <param name="salesperson"></param>
private void DisplayAccountDetail(Salesperson salesperson)
{
ConsoleUtil.DisplayMessage("First Name: " + salesperson.FirstName);
ConsoleUtil.DisplayMessage("Last Name: " + salesperson.LastName);
ConsoleUtil.DisplayMessage("Account ID: " + salesperson.AccountID);
}
/// <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.HeaderText = "The Sales Tracker";
ConsoleUtil.DisplayReset();
Console.CursorVisible = false;
// display the menu
ConsoleUtil.DisplayMessage("Please type the number of your menu choice.");
ConsoleUtil.DisplayMessage("");
Console.Write(
"\t" + "0. Setup Account" + Environment.NewLine +
"\t" + "1. Update Account" + Environment.NewLine +
"\t" + "2. Travel" + Environment.NewLine +
"\t" + "3. Buy" + Environment.NewLine +
"\t" + "4. Sell" + Environment.NewLine +
"\t" + "5. Display 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 '0':
userMenuChoice = MenuOption.SetupAccount;
usingMenu = false;
break;
case '1':
userMenuChoice = MenuOption.UpdateAccount;
usingMenu = false;
break;
case '2':
userMenuChoice = MenuOption.Travel;
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.");
Console.ReadKey();
break;
}
}
Console.CursorVisible = true;
return(userMenuChoice);
}
/// <summary>
/// display a list of product types and return the selected product with cost
/// </summary>
public void DisplayProductUserSelection(Salesperson salesperson)
{
bool usingMenu = true;
int maxAttempts = 3;
bool maxAttemptsExceeded = false;
Product product = new Product();
Product.ProductType productType = new Product.ProductType();
productType = Product.ProductType.None;
//
// set up display area
//
ConsoleUtil.DisplayReset();
ConsoleUtil.HeaderText = "Select a Product";
Console.CursorVisible = false;
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. Furry" + Environment.NewLine +
"\t" + "2. Spotted" + Environment.NewLine +
"\t" + "3. Dancing" + 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':
productType = Product.ProductType.Furry;
usingMenu = false;
break;
case '2':
productType = Product.ProductType.Spotted;
usingMenu = false;
break;
case '3':
productType = Product.ProductType.Dancing;
usingMenu = false;
break;
default:
ConsoleUtil.DisplayMessage(
"It appears you have selected an incorrect choice." + Environment.NewLine +
"Press any key to continue.");
userResponse = Console.ReadKey(true);
if (userResponse.Key == ConsoleKey.Escape)
{
usingMenu = false;
}
break;
}
product.Type = productType;
}
Console.Clear();
if (!string.IsNullOrEmpty(product.Type.ToString()))
{
product.Cost = ConsoleValidator.TestForDouble(maxAttempts, $"{product.Type} Product Cost:", out maxAttemptsExceeded);
}
Console.CursorVisible = true;
salesperson.CurrentStock = product;
//return product;
}
/// <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();
int maxAttempts = 3;
string firstName;
string lastName;
string accountId;
string city;
bool maxAttemptsExceeded = false;
ConsoleUtil.HeaderText = "Account Setup";
ConsoleUtil.DisplayReset();
firstName = ConsoleValidator.TestForEmpty(maxAttempts, "First Name:", out maxAttemptsExceeded);
if (!string.IsNullOrEmpty(firstName))
{
salesperson.FirstName = firstName;
maxAttemptsExceeded = false;
}
else
{
return(salesperson);
}
lastName = ConsoleValidator.TestForEmpty(maxAttempts, "Last Name:", out maxAttemptsExceeded);
if (!string.IsNullOrEmpty(lastName))
{
salesperson.LastName = lastName;
maxAttemptsExceeded = false;
}
else
{
return(salesperson);
}
accountId = ConsoleValidator.TestForEmpty(maxAttempts, "Account ID:", out maxAttemptsExceeded);
if (!string.IsNullOrEmpty(accountId))
{
salesperson.AccountID = accountId;
maxAttemptsExceeded = false;
}
else
{
return(salesperson);
}
city = ConsoleValidator.TestForEmpty(maxAttempts, "City:", out maxAttemptsExceeded);
if (!string.IsNullOrEmpty(city))
{
salesperson.CitiesVisited.Add(city);
maxAttemptsExceeded = false;
}
else
{
return(salesperson);
}
return(salesperson);
}
/// <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);
}
