public BloodDonation(DateTime dateOfDonation, int volume, BloodType bloodType, Donor donor, Personnel bloodTaker)
{
DateOfDonation = dateOfDonation;
Volume = volume;
BloodType = bloodType;
Donor = donor;
BloodTaker = bloodTaker;
}
public Donor(string pesel, string name, DateTime lastDonated, BloodType bloodType, string mail,
string phone)
{
Pesel = pesel;
Name = name;
LastDonated = lastDonated;
BloodType = bloodType;
Mail = mail;
Phone = phone;
}