public void ChangeStatus(Book book)
{
if (book.Status == Status.Available)
{
var user = FindUserById(book.UserId);
user.NumberOfBooks--;
book.EndBookingDate = null;
book.ReturnDate = null;
book.BookingDate = null;
book.BorrowingDate = null;
book.UserId = null;
}
if (book.Status == Status.Booked)
{
var user = FindUserById(book.UserId);
book.BookingDate = DateTime.Now.Date;
book.EndBookingDate = book.BookingDate.Value.AddDays(3);
book.BorrowingDate = null;
book.ReturnDate = null;
}
if (book.Status == Status.Borrowed)
{
book.BookingDate = null;
book.EndBookingDate = null;
book.BorrowingDate = DateTime.Now.Date;
book.ReturnDate = book.BorrowingDate.Value.AddDays(180);
}
LibraryDb.Entry(book).State = System.Data.Entity.EntityState.Modified;
}
public virtual void Delete(TEntity entityToDelete)
{
if (context.Entry(entityToDelete).State == EntityState.Detached)
{
dbSet.Attach(entityToDelete);
}
dbSet.Remove(entityToDelete);
}
public void Actualize(Category category)
{
_db.Entry(category).State = EntityState.Modified;
}
public void Actualize(Book book)
{
_db.Entry(book).State = EntityState.Modified;
}
public void Actualize(Order order)
{
_db.Entry(order).State = EntityState.Modified;
}