/// <summary>
/// Get type of product from user. Checks if product already exist in invetory
/// </summary>
/// <param name="salesperson"></param>
/// <param name="notInStock"></param>
/// <returns></returns>
public Product.ProductType GetTypeOfProduct(Salesperson salesperson, string buyOrSell, out bool inStock)
{
Product.ProductType productType;
inStock = false;
ConsoleUtil.DisplayPromptMessage("Enter the type of product you wish to " + buyOrSell + ":");
// new variable for product type
if (Enum.TryParse <Product.ProductType>(UppercaseFirst(Console.ReadLine()), out productType))
{
foreach (Product product in salesperson.CurrentStock)
{
if (product.Type == productType)
{
inStock = true;
}
}
}
else
{
// sets type of current stock to "none" product type
ConsoleUtil.DisplayMessage("It appears you are having difficulty selecting a product.");
ConsoleUtil.DisplayMessage("By default, no items will be added.");
productType = Product.ProductType.None;
DisplayContinuePrompt();
}
return(productType);
}
/// <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("");
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayMessage("Your account is setup");
DisplayContinuePrompt();
return(salesperson);
}
/// <summary>
/// setup the new salesperson object with the initial data
/// </summary>
public Salesperson DisplaySetupAccount(out City city)
{
// instantiate a new salesperson object
Salesperson salesperson = new Salesperson();
// instantiayte a new city object
city = new City();
city.SalesInfo = new List <Product>();
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("Enter your starting city: ");
city.CityName = Console.ReadLine();
// get products from user
DisplayAvailableProducts();
ConsoleUtil.DisplayMessage("");
salesperson.CurrentStock = DisplayGetProducts(salesperson);
foreach (Product item in salesperson.CurrentStock)
{
city.SalesInfo.Add(new Product(item.Type, item.NumberOfUnits, 0));
}
// add city object to salesperson
salesperson.CitiesVisited.Add(city);
ConsoleUtil.DisplayMessage("Your account is setup");
ConsoleUtil.DisplayMessage("");
// display account details to user
DisplayAccountDetail(salesperson);
ConsoleUtil.DisplayMessage("Starting city: " + city.CityName);
ConsoleUtil.DisplayMessage("Your current inventory:");
ConsoleUtil.DisplayMessage("");
CurrentInventory(salesperson);
DisplayContinuePrompt();
return(salesperson);
}
/// <summary>
/// get the next city to travel to from the user
/// </summary>
/// <returns>string City</returns>
public string DisplayGetNextCity()
{
string nextCity = "";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayPromptMessage("Enter the name of the next city:");
nextCity = Console.ReadLine();
return(nextCity);
}
/// <summary>
/// helper method to get a valid string response from the user
/// based on John Velis' GetYesNoFromUser method
/// </summary>
/// <param name="maxAttempts">maximum number of attempts</param>
/// <param name="userPrompt">user prompt</param>
/// <param name="maxAttemptsExceeded">indicates whether maximum number of attempts has been reached</param>
/// <returns></returns>
public static string TestForEmpty(int maxAttempts, string userPrompt, out bool maxAttemptsExceeded)
{
bool validInput = false;
maxAttemptsExceeded = false;
string userResponse = "";
int attempts = 1;
while (!validInput && !maxAttemptsExceeded)
{
//Console.Write(userPrompt);
ConsoleUtil.DisplayPromptMessage(userPrompt);
userResponse = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
//
// input is valid
//
if (!string.IsNullOrEmpty(userResponse))
{
validInput = true;
}
//
// input is invalid, but more attempts available
//
else
{
//
// more attempts available
//
if (attempts < maxAttempts)
{
ConsoleUtil.DisplayMessage("Please enter a non-empty value.");
ConsoleUtil.DisplayMessage("Press any key to try again.");
}
//
// all attempts used
//
else
{
ConsoleUtil.DisplayMessage("It appears you have exceeded the maximum number of attempts allowed.");
ConsoleUtil.DisplayMessage("Press any key to continue.");
maxAttemptsExceeded = true;
}
Console.ReadKey();
Console.Clear();
}
attempts++;
}
return(userResponse);
}
/// <summary>
/// get the next city to travel to from the user
/// </summary>
/// <returns>string nextCity</returns>
public string DisplayGetNextCity(Salesperson salesperson)
{
string nextCity = "";
ConsoleUtil.HeaderText = "Travel";
ConsoleUtil.DisplayReset();
ConsoleUtil.DisplayPromptMessage("Where would you like to travel to?");
salesperson.CitiesVisited.Add(Console.ReadLine());
return(nextCity);
}
/// <summary>
/// helper method to get a valid decimal response from the user
/// based on John Velis's GetYesNoFromUser method
/// </summary>
/// <param name="maxAttempts">maximum number of attempts</param>
/// <param name="userPrompt">user prompt</param>
/// <param name="maxAttemptsExceeded">indicates whether maximum number of attempts has been reached</param>
/// <returns>double</returns>
public static double TestForDouble(int maxAttempts, string userPrompt, out bool maxAttemptsExceeded)
{
bool validInput = false;
maxAttemptsExceeded = false;
double dub = 0.00;
string userResponse;
int attempts = 1;
while (!validInput && !maxAttemptsExceeded)
{
ConsoleUtil.DisplayPromptMessage(userPrompt);
userResponse = Console.ReadLine();
ConsoleUtil.DisplayMessage("");
//
// input is valid
//
if (double.TryParse(userResponse, out dub))
{
validInput = true;
}
else
{
//
// more attempts available
//
if (attempts < maxAttempts)
{
ConsoleUtil.DisplayMessage("Please enter a monetary value without a currency symbol");
ConsoleUtil.DisplayMessage("Press any key to try again.");
}
//
// all attempts used
//
else
{
ConsoleUtil.DisplayMessage("It appears you have exceeded the maximum number of attempts allowed.");
ConsoleUtil.DisplayMessage("Press any key to continue.");
maxAttemptsExceeded = true;
}
Console.ReadKey();
Console.Clear();
}
attempts++;
}
return(dub);
}
/// <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 = Console.ReadLine();
ConsoleUtil.DisplayPromptMessage("Last Name:", 2);
salesperson.LastName = Console.ReadLine();
ConsoleUtil.DisplayPromptMessage("Account ID:");
salesperson.AccountID = Console.ReadLine();
ConsoleUtil.DisplayPromptMessage("City: ");
salesperson.CitiesVisited.Add(Console.ReadLine());
return(salesperson);
}
/// <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>
/// 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);
}
