public static void BuyDelete()
{
bool Confirmresult = true;
int UpdateOption = 0;
String del;
Book book = new Book();
BuyDetails buy = new BuyDetails();
Console.WriteLine("Enter BookId to be deleted");
do
{
del = Console.ReadLine();
while (!int.TryParse(del, out UpdateOption))
{
Console.WriteLine("This is not a number!");
del = Console.ReadLine();
}
foreach (BuyDetails matchId in buyList)
{
if (matchId.buyBookId == UpdateOption)
{
Confirmresult = false;
foreach (Book SearchId in bookList)
{
if (SearchId.bookId == matchId.buyBookId)
{
SearchId.bookCount += matchId.buyCount;
}
}
}
else
{
Console.WriteLine("Book id {0} not found", UpdateOption);
}
}
buyList.RemoveAll(idel => idel.buyBookId == UpdateOption);
} while (Confirmresult == true);
Console.WriteLine("Updated cart");
DisplayBuyList.Displaylist1();
}
public static void Buy()
{
Book book = new Book();
BuyDetails buy = new BuyDetails();
Console.Write("Book id :");
buy.buyBookId = int.Parse(Console.ReadLine());
Console.Write("Number of Books : ");
buy.buyCount = int.Parse(Console.ReadLine());
if (bookList.Exists(x => x.bookId == buy.buyBookId))
{
foreach (Book searchId in bookList)
{
if (searchId.bookId == buy.buyBookId)
{
if (searchId.bookCount >= searchId.bookCount - buy.buyCount && searchId.bookCount - buy.buyCount >= 0)
{
searchId.bookCount = searchId.bookCount - buy.buyCount;
buy.buyBookname = searchId.bookName;
buy.buyBookPrice = searchId.bookPrice;
}
else
{
Console.WriteLine("Only {0} books are found", searchId.bookCount);
break;
}
buyList.Add(buy);
}
}
}
else
{
Console.WriteLine("Book id {0} not found", buy.buyBookId);
}
Console.WriteLine("");
}
public static void BuyEdit()
{
bool Confirmresult = true;
bool result = true;
int UpdateOption = 0;
int UpdateQuantity = 0;
String edit;
String qty;
Book book = new Book();
BuyDetails buy = new BuyDetails();
Console.WriteLine("Enter BookId to be deleted");
do
{
edit = Console.ReadLine();
while (!int.TryParse(edit, out UpdateOption))
{
Console.WriteLine("This is not a number!");
edit = Console.ReadLine();
}
foreach (BuyDetails searchId in buyList)
{
if (searchId.buyBookId == UpdateOption)
{
Console.WriteLine("Enter the Qty you want edit");
do
{
qty = Console.ReadLine();
while (!int.TryParse(qty, out UpdateQuantity))
{
Console.WriteLine("This is not a number!");
}
if (UpdateQuantity > 0)
{
foreach (Book matchId in bookList)
{
if (matchId.bookId == searchId.buyBookId)
{
if (UpdateQuantity <= matchId.x)
{
searchId.buyCount = UpdateQuantity;
matchId.bookCount = matchId.x - UpdateQuantity;
DisplayBuyList.Displaylist1();
result = false;
}
else
{
Console.WriteLine("Only {0} books are found", matchId.x);
Console.WriteLine("Re-Enter Quantity");
}
}
}
}
} while (result == true);
}
else
{
Console.WriteLine("Book id {0} not found", UpdateOption);
}
}
} while (Confirmresult == true);
}