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;
}
}
}
public MainMenu()
{
var repository = new LibraryRepository();
_service = new LibraryService(repository);
}
public LibraryService(LibraryRepository repository)
{
_repository = repository;
}