private void BuyOneItem(string[] parameters)
{
string userName = parameters[0];
string id = parameters[1];
if (id.All(c => char.IsDigit(c)))
{
User user = _stregsystem.GetUserByUsername(userName);
if (user != null)
{
Product product = _stregsystem.GetProductByID(int.Parse(id));
if (product != null)
{
try
{
if (product.IsActive)
{
BuyTransaction bt = _stregsystem.BuyProduct(user, product);
_ui.DisplayUserBuysProduct(bt);
}
else
{
_ui.DisplayProductNotFound(id);
}
}
catch (InsufficentCreditsException)
{
_ui.DisplayInsufficientCash(user, product);
}
catch (Exception message)
{
_ui.DisplayGeneralError(message.Message);
}
}
else
{
_ui.DisplayProductNotFound(id);
}
}
else
{
_ui.DisplayUserNotFound(userName);
}
}
else
{
_ui.DisplayGeneralError($"Product id was not a number, you wrote: {id}");
}
}
private void BuyProduct(User user, Product product)
{
if (!product.Active)
{
throw new NotActiveProductException($"This product is not active: {product.Name}");
}
if (user.Balance < product.Price && !product.CanBeBoughtOnCredit)
{
SUI.DisplayInsufficientCash(user, product, 1);
}
else
{
SUI.DisplayUserBuysProduct(S.BuyProduct(user, product));
}
}
/// <summary>
/// Command that runs when the event is raised from stregsystemCLI
/// It splits the command and calls either user commands or admin commands.
/// Exceptions are handled at the buttom
/// </summary>
/// <param name="command"></param>
private void ParseCommand(string command)
{
string[] commandArray = command.Split(' ');
if (string.IsNullOrEmpty(command))
{
return;
}
else if (commandArray.Length > 3)
{
_ui.DisplayTooManyArgumentsError(command);
return;
}
try
{
if (command[0].Equals(':'))
{
ParseAdminCommand(commandArray);
}
else
{
ParseUserCommand(commandArray);
}
}
catch (InsufficientCreditsException e)
{
_ui.DisplayInsufficientCash(e.TransactionUser, e.ProductToBuy);
}
catch (UserNotFoundException)
{
_ui.DisplayUserNotFound(commandArray.Length == 1 ? commandArray[0] : commandArray[1]);
}
catch (ProductNotFoundException)
{
_ui.DisplayProductNotFound(commandArray.Length == 2 ? commandArray[1] : commandArray[2]);
}
catch (KeyNotFoundException)
{
_ui.DisplayAdminCommandNotFoundMessage(commandArray[0]);
}
catch (FormatException)
{
_ui.DisplayGeneralError($"{command} must consist of either a productid or amount of buys");
}
catch (OverflowException)
{
_ui.DisplayGeneralError($"The numbers in: {command} must not be that high!");
}
}
// The transaction is handled here
public void Receipt(string username, int productID, int quantity)
{
User user;
Product product;
// Checks whether a username as the given, exists
if (_stregsystem.GetUserByUsername(username) != null)
{
user = _stregsystem.GetUserByUsername(username);
// Checks whether a product ID as the given, exists
if (_stregsystem.GetProductByID(productID) != null)
{
product = _stregsystem.GetProductByID(productID);
// Checks whether the product is active
if (product.Active)
{
// Checks if the user can afford the product and the quantity of it, and if not, if the product can be bought on credit
if (product.Price * quantity <= user.Balance || product.CanBeBoughtOnCredit)
{
BuyTransaction purchase = null;
for (int i = 0; i < quantity; i++)
{
purchase = _stregsystem.BuyProduct(user, product);
}
ConsoleReceipt receipt = new ConsoleReceipt(purchase, quantity, false);
receipt.Print();
}
else
{
_ui.DisplayInsufficientCash(user, product);
}
}
else
{
_ui.DisplayProductNotActive($"{product.ID}");
}
}
else
{
_ui.DisplayProductNotFound();
}
}
else
{
_ui.DisplayUserNotFound(username);
}
}
private void CommandParser(string commandStrings)
{
_commandString = commandStrings;
_commandStrings = _commandString.Split(' ');
if (commandStrings[0].Equals(':'))
{
Console.WriteLine("[ADMIN]");
AdminCommand();
}
else
{
try
{
switch (CommandPattern())
{
case commandType.User:
DisplayUser();
break;
case commandType.Purchase:
Purchase();
break;
case commandType.Multibuy:
MultiBuy();
break;
}
}
catch (UserNotFoundException e)
{
_ui.DisplayUserNotFound(e.UserName);
}
catch (ProductNotFoundException e)
{
_ui.DisplayProductNotFound(e.Product);
}
catch (InsufficientCreditsException e)
{
_ui.DisplayInsufficientCash(e.User, e.Product);
}
catch (Exception e)
{
_ui.DisplayGeneralError(e.Message);
}
}
}
void BuyProduct <AdminMethod>(string username, string prodID, string nulc)
{
User user;
Product product;
try
{
user = GetUser(username);
int id = Convert.ToInt32(prodID);
product = Stregsystem.GetProductByID(id);
BuyTransaction tr = Stregsystem.BuyProduct(user, product);
UI.DisplayUserBuysProduct(tr);
}
catch (UserNotFoundException e)
{
UI.DisplayUserNotFound(e.username);
}
catch (InsufficientCreditsException e)
{
UI.DisplayInsufficientCash(e.user, e.product);
}
catch (ProductNotActivatedException e)
{
UI.DisplayProductNotActivated(e.product);
}
catch (ProductNotFoundException)
{
UI.DisplayProductNotFound(prodID);
}
catch (FormatException)
{
UI.DisplayQuantityMustBeANumber();
}
catch (OverflowException)
{
UI.DisplayQuantityMustBeANumber();
}
catch (Exception e)
{
UI.DisplayGeneralError(e.Message);
}
}
void HandlePurchase(string username, int productId, int cnt)
{
User user;
Product product;
try
{
user = _stregsystem.GetUserByUsername(username);
product = _stregsystem.GetProductByID(productId);
for (int i = 0; i < cnt; i++)
{
try
{
BuyTransaction buyTransaction = _stregsystem.BuyProduct(user, product);
_stregsystemUI.DisplayUserBuysProduct(buyTransaction);
}
catch (InaktivProductPurchaseExceptions)
{
_stregsystemUI.DisplayProductInactive(productId.ToString());
break;
}
catch (InsufficientCreditsException)
{
_stregsystemUI.DisplayInsufficientCash(user, product);
break;
}
}
}
catch (ProductNotFoundException ex)
{
_stregsystemUI.DisplayProductNotFound(productId.ToString());
Debug.WriteLine(ex);
}
catch (UserNotFoundException ex)
{
_stregsystemUI.DisplayUserNotFound(username);
Debug.WriteLine(ex);
}
}
public void ParseCommand()
{
_command = Console.ReadLine();
string[] command = _command.Split(" ");
if (command[0].StartsWith(":"))
{
bool success = false;
if (_adminCommands.ContainsKey(command[0]))
{
_adminCommands[command[0]].Invoke();
success = true;
}
if (success == false)
{
ui.DisplayAdminCommandNotFoundMessage(_command);
}
}
else if (command.Length == 2)
{
try
{
string user = command[0];
int productID = int.Parse(command[1]);
if (ProductSuccess(productID) && UserSucess(user))
{
BuyTransaction buy = ss.BuyProduct(ss.GetUserByUsername(user), ss.GetProductByID(productID));
ss.LogTransaction(buy, @"C:\Users\T-Phamz\Desktop\test.txt");
ui.DisplayUserBuysProduct(buy);
ss.OnUserBalanceWarning(ss.GetUserByUsername(user));
}
}
catch (FormatException)
{
Console.WriteLine($"{(command[1])} is not a positive integer");
}
catch (InsufficientCreditsException)
{
ui.DisplayInsufficientCash(ss.GetUserByUsername(command[0]), ss.GetProductByID(int.Parse(command[1])));
}
catch (ProductNotActiveException ex)
{
ui.DisplayGeneralError(ex.Message);
}
}
else if (command.Length == 3)
{
try
{
string user = command[0];
int numberOfItems = int.Parse(command[1]);
int productID = int.Parse(command[2]);
if (ProductSuccess(productID) && UserSucess(user) && numberOfItems > 0)
{
BuyTransaction buy = null;
for (int i = 0; i < numberOfItems; i++)
{
buy = ss.BuyProduct(ss.GetUserByUsername(user), ss.GetProductByID(productID));
ss.LogTransaction(buy, @"C:\Users\T-Phamz\Desktop\test.txt");
}
ui.DisplayUserBuysProduct(numberOfItems, buy);
ss.OnUserBalanceWarning(ss.GetUserByUsername(user));
}
else
{
ui.DisplayGeneralError($"Number of items bought ({command[1]}) can not be under 1");
}
}
catch (FormatException)
{
Console.WriteLine($"{(command[1])} or {(command[2])} " +
$"is not a number");
}
catch (InsufficientCreditsException)
{
ui.DisplayInsufficientCash(ss.GetUserByUsername(command[0]), ss.GetProductByID(int.Parse(command[1])));
}
catch (ProductNotActiveException ex)
{
ui.DisplayGeneralError(ex.Message);
}
}
else if (command.Length == 1)
{
if (UserSucess(command[0]))
{
User u = ss.GetUserByUsername(command[0]);
ui.DisplayUserInfo(u);
foreach (Transaction item in ss.GetTransactions(u, 10))
{
ui.DisplayTransactions(item);
}
ss.OnUserBalanceWarning(u);
}
}
else
{
ui.DisplayTooManyArgumentsError($"\"{_command}\"");
}
Console.WriteLine();
}