private static void UpdatingBook()
{
BookListHolder.ShowAllBooks();
Console.WriteLine("-------------");
Console.WriteLine("Enter the number of the book you want to change/update");
int enteredNum = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The selected book is below");
Console.WriteLine(BookListHolder.bookList[enteredNum - 1].Title + " ~ " + BookListHolder.bookList[enteredNum - 1].Author + " ~ " + BookListHolder.bookList[enteredNum - 1].Year);
Console.WriteLine("Enter the Title of the new Book");
string newTitle = Console.ReadLine();
Console.WriteLine("Enter the Author of the new Book");
string newAuthor = Console.ReadLine();
Console.WriteLine("Enter the Year of the new Book");
int newYear = Convert.ToInt32(Console.ReadLine());
BookListHolder.bookList[enteredNum - 1].Title = newTitle;
BookListHolder.bookList[enteredNum - 1].Author = newAuthor;
BookListHolder.bookList[enteredNum - 1].Year = newYear;
Console.WriteLine("The book '" + newTitle + "' is successfully updated");
Console.WriteLine("");
}
//showing all books and providing choices
public static void MainMenuChoices()
{
BookListHolder.ShowAllBooks();
Console.WriteLine("----------------------");
Console.WriteLine("1. Buy a book");
Console.WriteLine("2. Remove a book");
Console.WriteLine("3. Update/Change a book");
Console.WriteLine("");
Console.WriteLine("Enter the number of the operation you want to carry out");
// managing the user's choice
int enteredOperation = Convert.ToInt32(Console.ReadLine());
switch (enteredOperation)
{
case 1:
BuyingBook();
break;
case 2:
RemovingBook();
break;
case 3:
UpdatingBook();
break;
default:
Console.WriteLine("Incorrect Operation!!!!!!!!!!");
break;
}
Console.WriteLine("");
MainMenuChoices();
}
// removing a book
private static void RemovingBook()
{
BookListHolder.ShowAllBooks();
Console.WriteLine("-------------");
Console.WriteLine("Enter the number of the book you want to remove");
int enteredNum = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Book '" + BookListHolder.bookList[enteredNum - 1].Title + "' is successfully removed");
BookListHolder.bookList.Remove(BookListHolder.bookList[enteredNum - 1]);
Console.WriteLine("");
}