// TODO: precisamos do lazy load pra esse método ser mais confiável.
public bool HasAbandonedDonation(int maxLateDonationDays = 15)
{
if (BooksDonated == null)
{
return(false);
}
return(BooksDonated.Any(b => b.Status == BookStatus.AwaitingDonorDecision && (DateTime.Now - b.ChooseDate).Value.Days > maxLateDonationDays));
}
public int TotalBooksDonated() => BooksDonated.Count(b => b.Status == BookStatus.WaitingSend || b.Status == BookStatus.Sent || b.Status == BookStatus.Received);
