private void UpdateDivinationCards()
        {
            var divinationCards = PoeNinjaApi.GetDivinationCards();

            foreach (var divinationCard in divinationCards)
            {
                var dbDivinationCard = Context.DivinationCards.SingleOrDefault(d => d.InGameId == divinationCard.InGameId);
                if (dbDivinationCard == default(DivinationCard))
                {
                    Context.DivinationCards.Add(divinationCard);
                }
                else
                {
                    divinationCard.PriceInChaos   = divinationCard.PriceInChaos;
                    divinationCard.PriceInExalted = divinationCard.PriceInExalted;
                }
            }

            Context.SaveChanges();
        }