public void TakeBook(List <Book> Books, uint Id, LibraryReader libReader)
{
libReader.PickupDate = GetCurrentDate();
var takenBooks = Books.Where(x => x.Reader != null).ToList();
if (Books.Count() > 0)
{
if (takenBooks.Where(x => x.Reader.Equals(libReader)).Count() >= TakenBooksLimit)
{
throw new TakenBooksLimitException();
}
else
{
var dateSpan = Period.Between(libReader.PickupDate, libReader.ReturnDate, PeriodUnits.Months);
if (dateSpan.Months > BorrowMonthPeriodLimit)
{
throw new TakeDatePeriodException();
}
else
{
foreach (var book in Books.Where(b => b.Id == Id))
{
book.Reader = libReader;
}
Console.WriteLine("Succesfully took the book !\n");
}
}
}
else
{
throw new EmptyLibraryException();
}
}
public void ReturnBook(List <Book> Books, uint Id, LibraryReader libReader)
{
var returnedBook = Books.SingleOrDefault(b => b.Id == Id);
if (Books.Count() > 0)
{
if (returnedBook.Reader != null && returnedBook.Reader.Equals(libReader))
{
var currentDate = GetCurrentDate();
if (returnedBook.Reader.ReturnDate.CompareTo(currentDate) < 0)
{
Console.WriteLine("You're late to return the book ! -rep.\n");
}
foreach (var book in Books.Where(b => b.Id == Id))
{
book.Reader = null;
}
Console.WriteLine("Succesfully returned the book !\n");
}
else
{
throw new NotReadersBookException();
}
}
else
{
throw new EmptyLibraryException();
}
}
public Book(string Name, string Author, string Category, string Language, LocalDate Publication, string Isbn)
{
this.Name = Name;
this.Author = Author;
this.Category = Category;
this.Language = Language;
this.PublicationDate = Publication;
this.Isbn = Isbn;
this.Reader = null;
}