public static void RunShoppingScreen(User user)
{
ILogger Trace = new GenericLoggerAdapter();
int userSelection = 0;
bool wantsToExit = false;
var viewModel = new ShoppingScreenViewModel();
Dictionary <int, Product> indexedProducts = new Dictionary <int, Product>();
ProductServices productServices = new ProductServices();
ShoppingServices shoppingServices = new ShoppingServices();
while (!wantsToExit)
{
Console.Clear();
Console.WriteLine("Welcome {0} to the rare and custom items's shop!\nBelow is a list of all products currently available.", user.UserName);
indexedProducts.Clear();
var allProducts = viewModel.AllProdcuts;
for (int productCount = 0; productCount < allProducts.Count; productCount++)
{
var currenProduct = allProducts[productCount];
indexedProducts.Add(productCount, currenProduct);
}
Console.WriteLine("Available items: \n");
foreach (var indexedProduct in indexedProducts)
{
if (!indexedProduct.Value.IsPurchased)
{
Console.WriteLine($"{indexedProduct.Key} - {indexedProduct.Value.ProductName}");
}
continue;
}
Console.WriteLine("Sold items: \n");
foreach (var indexedProduct in indexedProducts)
{
if (indexedProduct.Value.IsPurchased)
{
Console.WriteLine($"{indexedProduct.Key} - {indexedProduct.Value.ProductName} - {indexedProduct.Value.Owner.UserName}");
}
continue;
}
Console.WriteLine("\n\nPlease select from the above list which item you would like to buy or press e and enter to go back a page: ");
Product selectedProduct;
try{
var input = Console.ReadLine();
if (input[0] == 'e')
{
wantsToExit = true;
break;
}
userSelection = int.Parse(input);
selectedProduct = indexedProducts[userSelection];
}
catch (Exception e) {
Console.WriteLine("Sorry could not read input either as it is an invalid input or the product does not exist: " + e.Message);
Trace.TraceError("Incorrect input format", e.Message + e.StackTrace, SeverityLevel.Error);
continue;
}
Console.Clear();
Console.WriteLine("Name: {0}\nPrice: £{1}\nIs it on sale: {2}\n\n", selectedProduct.ProductName, selectedProduct.ProductPrice, selectedProduct.IsSalesProduct ? "Yes" : "No");
Console.WriteLine("Would you like to buy? (y, n)");
var doesBuy = Console.ReadLine()[0];
if (doesBuy != 'y' && doesBuy != 'n')
{
Console.WriteLine("Sorry, invalid input");
Console.ReadLine();
continue;
}
if (doesBuy == 'n')
{
continue;
}
if (viewModel.PurchaseProduct(user, selectedProduct))
{
Console.WriteLine("Purchase successful");
Console.ReadLine();
continue;
}
}
}
public static void RunAdminScreen(string currentUserName)
{
AdminScreenViewModel viewModel = new AdminScreenViewModel();
ILogger Trace = new GenericLoggerAdapter();
int userSelection = 0;
while (userSelection != 9)
{
Console.Clear();
Console.WriteLine("\n\nPlease select from the options below: " +
"\n\n1. View Users in Db\n2. Update a user's name\n3. Add new User\n" +
"4. Delete User\n5. View Products\n6. Update Product\n7. Add new product\n8. Delete Product\n9. Exit");
try
{
userSelection = int.Parse(Console.ReadLine());
}
catch (Exception e)
{
Console.WriteLine("Could not read answer as: " + e.Message + "\nPlease try again");
Trace.TraceError("Incorrect input format", e.Message + e.StackTrace, SeverityLevel.Error);
}
switch (userSelection)
{
case 1:
foreach (var user in viewModel.AllUsers)
{
Console.WriteLine($"{user.UserId}\n{user.UserName}\n{user.NickName}\n{user.IsAdmin}\n\n");
}
Console.ReadLine();
break;
case 2:
Console.WriteLine("Please give me the name of the user: "******"Sorry, user does not exist in db" : "What would you like to change the name to: ");
if (user2update != null)
{
var newProdName = Console.ReadLine();
if (viewModel.UpdateUserName(user2update.UserId, newProdName))
{
Console.WriteLine("User's name is succesfully updated.");
}
;
break;
}
Console.WriteLine("Sorry, something went wrong with the update");
Console.ReadLine();
break;
case 3:
var newUser = new User();
Console.WriteLine("Please enter the new user's Name: ");
newUser.UserName = Console.ReadLine();
Console.WriteLine("Please enter a nick name: ");
newUser.NickName = Console.ReadLine();
Console.WriteLine("Please enter y or n to indicate if the user is an admin: ");
if (string.Equals(Console.ReadLine().ToLower(), "y"))
{
newUser.IsAdmin = true;
}
else
{
newUser.IsAdmin = false;
};
if (viewModel.SaveUser(newUser))
{
Console.WriteLine("New User saved successfully");
}
else
{
Console.WriteLine("Could not save new user");
}
break;
case 4:
Console.WriteLine("Please enter the user id for the user to be deleted: ");
int id = 0;
try
{
id = int.Parse(Console.ReadLine());
}
catch (Exception e)
{
Console.WriteLine("Sorry, incorrect input: " + e.Message);
Trace.TraceError("Incorrect input format", e.Message + e.StackTrace, SeverityLevel.Error);
Console.ReadLine();
break;
}
if (viewModel.DeleteUser(id))
{
Console.WriteLine("User successfully deleted");
Console.ReadLine();
}
else
{
Console.WriteLine("Could not delete user");
Console.ReadLine();
}
break;
case 5:
foreach (var product in viewModel.AllProducts)
{
Console.WriteLine($"{product.ProductId}\n{product.ProductName}\n{product.ProductPrice}\n{product.IsSalesProduct}\n\n");
}
Console.WriteLine("Please press any keys to continue");
Console.ReadLine();
break;
case 6:
double newPrice = -1;
bool isSaleProduct = false;
Console.WriteLine("Please give me the name of the product: ");
string productName = Console.ReadLine();
Console.WriteLine("Plese enter new name: ");
string newProductName = Console.ReadLine();
Console.WriteLine("Please enter new price: ");
try
{
newPrice = double.Parse(Console.ReadLine());
}catch (Exception e) {
Console.WriteLine("Sorry could not read new price");
Trace.TraceError("Incorrect price format", e.Message + e.StackTrace, SeverityLevel.Error);
Console.ReadLine();
break;
}
if (newPrice < 0)
{
Console.WriteLine("Sorry price has to be 0 or greater");
Console.ReadLine();
break;
}
Console.WriteLine("Please enter y or n to indicate if product is on sale: ");
var isOnSale = Console.ReadLine();
if (string.Equals(isOnSale.ToLower(), "y"))
{
isSaleProduct = true;
}
if (viewModel.TryUpdateProduct(productName, newProductName, newPrice, isSaleProduct))
{
Console.WriteLine("Product is succesfully updated.");
break;
}
Console.WriteLine("Sorry, something went wrong with the update");
Console.ReadLine();
break;
case 7:
isSaleProduct = false;
Console.WriteLine("Plese enter new name: ");
newProductName = Console.ReadLine();
Console.WriteLine("Please enter new price: ");
try
{
newPrice = double.Parse(Console.ReadLine());
}
catch (Exception e)
{
Console.WriteLine("Sorry could not read new price");
Trace.TraceError("Incorrect price format", e.Message + e.StackTrace, SeverityLevel.Error);
Console.ReadLine();
break;
}
if (newPrice < 0)
{
Console.WriteLine("Sorry price has to be 0 or greater");
break;
}
Console.WriteLine("Please enter y or n to indicate if product is on sale: ");
isOnSale = Console.ReadLine();
if (string.Equals(isOnSale.ToLower(), "y"))
{
isSaleProduct = true;
}
var newProduct = new Product {
ProductName = newProductName,
ProductPrice = newPrice,
IsSalesProduct = isSaleProduct,
OwnerId = null,
};
if (viewModel.AddNewProduct(newProduct))
{
Console.WriteLine("Product successfully added.");
Console.ReadLine();
break;
}
Console.WriteLine("Could not add product");
Console.ReadLine();
break;
case 8:
Console.WriteLine("Please enter the id of the product to be deleted: ");
var productId = 0;
try
{
productId = int.Parse(Console.ReadLine());
}catch (Exception e) {
Console.WriteLine("Sorry could not read input as : " + e.Message + "Please press any key");
Trace.TraceError("Incorrect Product Id format", e.Message + e.StackTrace, SeverityLevel.Error);
break;
}
if (viewModel.DeleteProduct(productId))
{
Console.WriteLine("Product successfully deleted. Please a key to continue.");
Console.ReadLine();
break;
}
Console.WriteLine("Error trying to delete product. Please press any keys to continue.");
Console.ReadLine();
break;
case 9:
break;
default:
Console.WriteLine("Sorry, incorrect option");
break;
}
}
}
public static void RunMainScreen()
{
var viewModel = new MainScreenViewModel();
ILogger Trace = new GenericLoggerAdapter();
var userServices = new UserServices();
int userSelection = 0;
while (userSelection != 4)
{
Console.Clear();
Console.WriteLine(string.Format("{0}",
viewModel.CurrentUserName == null ?
"Please Change user to enjoy the most of the app!" :
$"Welcome{viewModel.CurrentUserName}!\n\n"));
Console.WriteLine("\n\nPlease select an option:\n1.Change User\n2.Admin\n3.Shop\n4.Exit\n ");
try
{
userSelection = int.Parse(Console.ReadLine());
}
catch (Exception e)
{
Console.WriteLine("Sorry, could not understand selection as : " + e.Message);
Trace.TraceError("Incorrect User Selection", e.Message + e.StackTrace, SeverityLevel.Error);
}
Console.Clear();
switch (userSelection)
{
case 1:
Console.WriteLine("Please enter your name: ");
string currentUserName = Console.ReadLine();
try
{
viewModel.AssignUserName(currentUserName);
}catch (ArgumentNullException e) {
Console.WriteLine(e.Message);
Trace.TraceError("Could not find user", e.Message + e.StackTrace, SeverityLevel.Warning);
Console.ReadLine();
}
continue;
case 2:
Console.Clear();
if (!viewModel.IsAdmin)
{
Console.WriteLine("Sorry this section is for admmins only!");
Console.ReadLine();
continue;
}
AdminScreen.RunAdminScreen(viewModel.CurrentUserName);
continue;
case 3:
if (viewModel.CurrentUserName == null || viewModel.CurrentUser == null)
{
Console.WriteLine("Please Change to an existing User First!");
Console.ReadLine();
continue;
}
ShoppingScreen.RunShoppingScreen(viewModel.CurrentUser);
continue;
case 4:
break;
default:
Console.WriteLine("Sorry, invalid selection.");
Console.ReadLine();
continue;
}
}
}
