public static void TakeBook(BookRegister allBooks, TakenBookRegister takenBooks, ReaderRegister readers, string isbn, string readerName, DateTime returnDate, out bool successful,
int maxBookCount)
{
successful = false;
if (!takenBooks.Contains(isbn) && allBooks.Contains(isbn))
{
Book book = allBooks.Get(isbn);
if (readers.Contains(readerName))
{
Reader reader = readers.Get(readerName);
if (reader.BookCount < maxBookCount)
{
readers.AddBookCount(reader);
TakenBook takenBook = new TakenBook(book, returnDate, reader);
takenBooks.Add(takenBook);
successful = true;
}
}
else
{
Reader reader = new Reader(readerName);
readers.Add(reader);
TakenBook takenBook = new TakenBook(book, returnDate, reader);
takenBooks.Add(takenBook);
successful = true;
}
}
}
public static void DeleteBook(TakenBookRegister takenBooks, BookRegister allBooks, ReaderRegister readers, string isbn)
{
Book bookToDelete = allBooks.Get(isbn);
allBooks.Remove(bookToDelete);
if (takenBooks.Contains(isbn))
{
bool lateReturnal;
ReturnBook(takenBooks, readers, isbn, out lateReturnal);
}
}
public static void PrintBooks(BookRegister books)
{
string horizontalGridLine = new string('-', 125);
Console.WriteLine(horizontalGridLine);
Console.WriteLine(String.Format("| {0,-20} | {1,-20} | {2,-20} | {3,-10} | {4,-16} | {5,-20} |",
"Name", "Author", "Category", "Language", "Publication Date", "ISBN"));
Console.WriteLine(horizontalGridLine);
for (int i = 0; i < books.Count(); i++)
{
Console.WriteLine(books.Get(i));
}
Console.WriteLine(horizontalGridLine);
}
