public Contract(Subscriber subscriber, TariffType tariffType)
{
LastTariffUpdateDate = DateTime.Now;
Subscriber = subscriber;
Number = rnd.Next(1000000, 9999999);
Tariff = new Tariff(tariffType);
}
public bool ChangeTariff(TariffType tariffType)
{
if(DateTime.Now.AddMonths(-1) >= LastTariffUpdateDate)
{
LastTariffUpdateDate = DateTime.Now;
Tariff = new Tariff(tariffType);
Console.WriteLine("Tariff has changed!");
return true;
}
else
{
Console.WriteLine("Цait until the end of the month!");
return false;
}
}
