/// <summary>
/// Method for changing the price of a book
/// </summary>
/// <param name="admin">Takes a user with admin priviliges</param>
/// <param name="book">Takes a book to change price on</param>
private static void ChangePrice(User admin, Book book)
{
var continueLoop = true;
do
{
AdminView.ChangePrice();
var input = InputHelper.InputFreeText();
if (string.IsNullOrEmpty(input))
{
SharedError.EmptyInput();
continue;
}
bool convertedSuccess = int.TryParse(input, out int price);
if (convertedSuccess && price >= 0)
{
if (book.Price != price)
{
book.Price = price;
api.UpdateBook(admin.Id, book.Id, book.Title, book.Author, book.Price);
continueLoop = false;
}
}
else
{
SharedError.PrintWrongInput();
}
} while (continueLoop);
}