static void Main(string[] args) { manager.BackgroundColor(); manager.ForegroundColor(); Console.WriteLine("Welcome to the library!"); Console.WriteLine("Books available:"); Console.ResetColor(); Console.WriteLine(); var books = manager.GetAvailableBooks(); if (books.Count == 0) { Console.WriteLine("There are no available books at the moment."); } else { books.ForEach(book => { Console.WriteLine("{0} ({1}) {2} (Available copies: {3})", book.Title, book.Author, book.Year, book.Copies); }); } Console.WriteLine(); while (true) { Console.WriteLine("Please enter a title of a book you wish to borrow " + "(or 'stop' to quit): "); string input = System.Console.ReadLine(); if (input == "stop" || input == "STOP" || input == "Stop") { break; } var bookBorrowed = manager.TakeBook(input); if (bookBorrowed == null) { System.Console.WriteLine("The book is not available!"); } else { Console.WriteLine("The book '{0}' was successfully checked out!", bookBorrowed.Title); Console.WriteLine(); } } Console.WriteLine(); manager.BackgroundColor(); manager.ForegroundColor(); Console.WriteLine("Your books: "); Console.ResetColor(); var myList = manager.GetUserBooks(); if (myList.Count == 0) { Console.WriteLine("You have not checked out any books."); } else { foreach (var book in myList) { Console.WriteLine("'{0}' by {1} ({2})", book.Title, book.Author, book.Year); } Console.WriteLine(); manager.BackgroundColor(); manager.ForegroundColor(); Console.WriteLine("Returning books."); Console.ResetColor(); while (true) { Console.WriteLine("Please enter a book title that you wish to return" + "(or 'stop' to exit): "); string input2 = System.Console.ReadLine(); if (input2 == "stop" || input2 == "STOP" || input2 == "Stop") { break; } var returned = manager.ReturnBook(input2); if (returned == null) { System.Console.WriteLine("Sorry, this book has not been checked out by you!"); } else { Console.WriteLine("'{0}' by {1} has been returned to the library (available copies: {2})", returned.Title, returned.Author, returned.Copies); } } Console.WriteLine(); manager.BackgroundColor(); manager.ForegroundColor(); Console.WriteLine("Books that have not been returned yet: "); Console.ResetColor(); foreach (var book in manager.GetUserBooks()) { Console.WriteLine("'{0}' by {1} ({2})", book.Title, book.Author, book.Year); } } Console.WriteLine(); manager.BackgroundColor(); manager.ForegroundColor(); Console.Write("Thank you for using our library!"); Console.ResetColor(); }