Beispiel #1
0
        static void Main(string[] args)
        {
            // Register all services
            IDependencyService dependencyService = new DependencyService();

            dependencyService.Register <IBookApiService>(new BookApiService());
            dependencyService.Register <IValidationService>(new ValidationService());

            var library = new LibraryRepository(dependencyService);

            char   option;
            string isbn, cnp, name;
            bool   hasBeenBorrowed, hasBeenAdded, running = true;
            double price;
            int    quantity;

            //Daily call to check for penalties
            long interval = AppConstants.ROUTINE_INTERVAL;

            Timer timeChecker = new Timer(interval);

            timeChecker.Elapsed += new ElapsedEventHandler((s, e) =>
            {
                library.CalculateBorrowPenalty();
            });
            timeChecker.Enabled = true;

            while (running)
            {
                Console.WriteLine("-------------------------------------------------");
                Console.WriteLine("******************** LIBRARY ********************");
                Console.WriteLine("-------------------------------------------------\n");
                Console.WriteLine("                Customer OPTIONS                 ");
                Console.WriteLine("1. Show all books");
                Console.WriteLine("2. Find the available quantity for a certain book");
                Console.WriteLine("3. Borrow a book");
                Console.WriteLine("4. Return a book");

                Console.WriteLine("\n                  Admin OPTIONS                 ");
                Console.WriteLine("5. Add a new book to the library");
                Console.WriteLine("6. Update the quantity for an existing book");
                Console.WriteLine("7. Show all borrowed books\n");
                Console.WriteLine("8. Exit\n");
                Console.Write("Choose your option: ");
                option = Console.ReadKey().KeyChar;

                Console.WriteLine();
                switch (option)
                {
                case '1':
                    library.DisplayAvailableBooks();
                    break;

                case '2':
                    Console.Write("Enter the ISBN: ");
                    isbn     = Console.ReadLine();
                    quantity = library.GetAvailableQuantity(isbn);
                    if (quantity != -1)
                    {
                        Console.WriteLine("There are " + quantity + " copies available");
                    }
                    else
                    {
                        Console.WriteLine("You entered an invalid ISBN !");
                    }
                    break;

                case '3':
                    Console.Write("Enter the ISBN: ");
                    isbn = Console.ReadLine();
                    Console.Write("Enter the CNP: ");
                    cnp = Console.ReadLine();

                    hasBeenBorrowed = library.Borrow(isbn, cnp);
                    if (hasBeenBorrowed)
                    {
                        Console.WriteLine("You borrowed the book!");
                    }
                    else
                    {
                        Console.WriteLine("You entered invalid informations!");
                    }
                    Console.WriteLine();
                    break;

                case '4':
                    Console.Write("Enter the ISBN: ");
                    isbn = Console.ReadLine();
                    Console.Write("Enter the CNP: ");
                    cnp = Console.ReadLine();

                    hasBeenBorrowed = library.ReturnBook(isbn, cnp);
                    if (hasBeenBorrowed)
                    {
                        Console.WriteLine("You returned the book!");
                    }
                    else
                    {
                        Console.WriteLine("You entered invalid informations!");
                    }
                    Console.WriteLine();
                    break;

                case '5':
                    Console.Write("Enter the ISBN: ");
                    isbn = Console.ReadLine();
                    Console.Write("Enter the Book Name: ");
                    name = Console.ReadLine();
                    Console.Write("Enter the borrowing Price: ");
                    try
                    {
                        price = double.Parse(Console.ReadLine());
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine("You entered invalid informations!");
                        break;
                    }

                    hasBeenAdded = library.AddNewBook(new Book {
                        ISBN = isbn, Name = name
                    }, price);
                    if (hasBeenAdded)
                    {
                        Console.WriteLine("The book was added!");
                    }
                    else
                    {
                        Console.WriteLine("You entered invalid informations!");
                    }

                    break;

                case '6':
                    Console.Write("Enter the ISBN: ");
                    isbn = Console.ReadLine();
                    Console.Write("Enter the Quantity: ");
                    try
                    {
                        quantity = int.Parse(Console.ReadLine());
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine("You entered invalid informations!");
                        break;
                    }

                    hasBeenAdded = library.AddExistingBook(isbn, quantity);
                    if (hasBeenAdded)
                    {
                        Console.WriteLine("The quantity was added!");
                    }
                    else
                    {
                        Console.WriteLine("You entered invalid informations!");
                    }

                    break;

                case '7':
                    library.DisplayBorrowedBooks();
                    Console.WriteLine();
                    break;

                case '8':
                    running = false;
                    break;

                default:
                    Console.WriteLine("Invalid Option");
                    break;
                }
            }
        }
Beispiel #2
0
        public MainMenu()
        {
            var repository = new LibraryRepository();

            _service = new LibraryService(repository);
        }
Beispiel #3
0
 public LibraryService(LibraryRepository repository)
 {
     _repository = repository;
 }