public bool DeleteProduct(string id, double quantity = 0)
{
if (quantity < 0)
{
return(false);
}
if (_list.ContainsKey(id))
{
if (quantity == 0)
{
_list.Remove(id);
return(true);
}
else
{
if (GetProduct(id).ProductQuantity - quantity > 0)
{
GetProduct(id).ProductQuantity -= quantity;
StoreList.GetProduct(id).ProductQuantity += quantity;
}
else if (GetProduct(id).ProductQuantity - quantity == 0)
{
//StoreList.GetProduct(id).ProductQuantity += quantity;
DeleteProduct(id);
}
else
{
return(false);
}
return(true);
}
}
return(false);
}
private bool RemoveProduct()
{
if (Basket.isEmpty())
{
Console.WriteLine("Basktet is empty, functionality disabled!");
return(false);
}
Console.Write("Enter id of product to remove/remove from: ");
string id = Console.ReadLine();
if (Basket.GetProduct(id) == null)//check if product exists in basket
{
Console.WriteLine("Item entered is not in basket!");
Console.Write("Press any key to continue...");
Console.ReadKey();
return(false);
}
try
{
Console.Write("Enter quantity to remove: ");
double quan = Convert.ToDouble(Console.ReadLine());
if (quan < 0)
{
throw new FormatException();
}
if (quan != 0)//dont delete if quantity is 0
{
if (Basket.DeleteProduct(id, quan))
{
StoreList.AddProduct(id, quan);
SaveUser();
if (Basket.isEmpty())
{
return(false);
}
}
else
{
throw new FormatException();
}
}
}
catch (FormatException)
{
Console.WriteLine("Wrong value entered!");
Console.Write("Press any key to continue...");
Console.ReadKey();
}
return(true);
}
public void Add(Product P, double quantity = 0)
{
P.TimeOfPurchase = DateTime.ParseExact(DateTime.Now.ToString("dd/MM/yyyy"), "dd/MM/yyyy", null);
try
{
_list.Add(P.ProductId, P);
//StoreList.GetProduct(P.ProductId).ProductQuantity -= quantity;
StoreList.SaveStoreList();
}
catch (ArgumentException)
{
GetProduct(P.ProductId).ProductQuantity += quantity;
}
}
public override void ViewStoreProducts(double threshold = 0)
{
if (!StoreList.isEmpty())
{
if (threshold >= 0)
{
StoreList.ViewStoreList(false);
}
}
else
{
Console.WriteLine("Store is empty!");
}
}
private void Search()
{
if (StoreList.isEmpty())
{
Console.WriteLine("Store is empty, nothing to search for!");
return;
}
Dictionary <int, string> categories = new Dictionary <int, string>();
int idx = 1;
foreach (Product p in StoreList.List.Values)
{
if (!categories.ContainsValue(p.ProductCategory) && p.ProductQuantity > 0)
{
categories.Add(idx++, p.ProductCategory);
}
}
if (categories.Count == 0)
{
Console.WriteLine("Store is empty, nothing to search for!");
return;
}
foreach (KeyValuePair <int, string> d in categories)
{
Console.WriteLine(d.Key + ". " + d.Value);
}
try
{
Console.Write("Enter your choice(1-{0}): ", categories.Count);
int choice = Convert.ToInt32(Console.ReadLine());
if (!(choice >= 1 && choice <= categories.Count))
{
throw new FormatException();
}
Console.WriteLine("{0,-25} {1,-25} {2,-25} {3,-10} {4,-10}", "ID", "Name", "Category", "Price", "Quantity");
foreach (Product p in StoreList.List.Values)
{
if (p.ProductCategory == categories[choice] && p.ProductQuantity > 0)
{
p.Print();
}
}
}
catch (FormatException)
{
Console.WriteLine("Wrong value entered or category doesn\'t exist!");
}
}
private void Search()
{
Console.Write("Enter ProductId to look for: ");
string id = Console.ReadLine();
if (StoreList.GetProduct(id) != null)
{
Console.WriteLine("{0,-25} {1,-25} {2,-25} {3,-10} {4,-10}", "ID", "Name", "Category", "Price", "Quantity");
StoreList.GetProduct(id).Print();
}
else
{
Console.WriteLine("Poduct with Id ({0}) does not exist!", id);
}
}
public override void AddProduct()
{
if (StoreList.isEmpty())
{
Console.WriteLine("Store is empty!");
return;
}
Console.WriteLine("Available products");
StoreList.ViewStoreList(false);
Console.WriteLine("Products in basket");
Basket.ViewBasket();
Console.Write("Enter product ID to add to basket: ");
string tempID = Console.ReadLine();
try
{
Product temp = StoreList.GetProduct(tempID).Clone();
if (temp.ProductQuantity == 0)
{
throw new NullReferenceException();
}
Console.Write("Enter quantity: ");
double uquan = Convert.ToDouble(Console.ReadLine());
if (uquan < 0)
{
throw new FormatException();
}
if (temp.ProductQuantity - uquan >= 0)
{
temp.ProductQuantity = uquan;
StoreList.GetProduct(tempID).ProductQuantity -= uquan;
Basket.Add(temp, uquan);
SaveUser();
}
else
{
Console.WriteLine("Desired quantity is unavailable!");
}
}
catch (NullReferenceException)
{
Console.WriteLine("Product doesn\'t exist!");
}
catch (FormatException)
{
Console.WriteLine("Wrong value entered!");
}
}
private void DeleteProductFromStore()
{
ViewList();
Console.Write("Enter ID of product to remove: ");
string uchoice = Console.ReadLine();
double quan = 0;
if (StoreList.GetProduct(uchoice) != null)
{
if (StoreList.GetProduct(uchoice).ProductQuantity != 0)
{
Console.Write("Enter quantity: ");
try
{
quan = Convert.ToDouble(Console.ReadLine());
if (quan > StoreList.GetProduct(uchoice).ProductQuantity)
{
Console.WriteLine("Can\'t remove more than available quantity");
throw new FormatException();
}
if (quan < 0)
{
throw new FormatException();
}
}
catch (FormatException)
{
Console.WriteLine("Wrong value entered!");
return;
}
}
if (!StoreList.DeleteProduct(uchoice, quan))
{
Console.WriteLine("Wrong choice!");
}
}
else
{
Console.WriteLine("Product does not exist!");
}
}
public override void AddProduct()
{
string id;
Console.Write("Please enter product ID: ");
id = Console.ReadLine();
if (StoreList.GetProduct(id) != null)
{
Console.Write("Product already exists, would you like to add by a certain quantity?(Y/N): ");
string uchoice = Console.ReadLine().ToUpper();
try
{
if (uchoice == "Y")
{
while (true)
{
Console.Write("Enter quantity to increase by: ");
double quan = Convert.ToDouble(Console.ReadLine());
if (quan < 0)
{
throw new FormatException();
}
StoreList.AddProduct(id, quan);
break;
}
}
else if (uchoice != "N")
{
throw new FormatException();
}
}
catch (FormatException)
{
Console.WriteLine("Wrong value entered!");
}
}
else
{
StoreList.AddProduct(id);
}
}
public override void ViewStoreProducts(double threshold)
{
if (StoreList.isEmpty())
{
Console.WriteLine("Store is empty!");
return;
}
if (threshold > 0)
{
Console.WriteLine("{0,-25} {1,-25} {2,-25} {3,-10} {4,-10}", "ID", "Name", "Category", "Price", "Quantity");
foreach (Product p in StoreList.List.Values)
{
if (p.ProductQuantity >= threshold)
{
p.Print();
}
}
}
else
{
Console.WriteLine("Wrong value entered!");
}
}
