private void UpdateCurrencyTypes()
        {
            var currencies = PoeNinjaApi.GetCurrencies();

            foreach (var currency in currencies)
            {
                var dbCurrency = Context.Currencies.SingleOrDefault(c => c.PoeNinjaId == currency.Id);
                if (dbCurrency == default(Currency))
                {
                    Context.Currencies.Add(currency);
                }
                else
                {
                    dbCurrency.PriceInChaos   = currency.PriceInChaos;
                    dbCurrency.PriceInExalted = currency.PriceInExalted;
                }
            }

            Context.SaveChanges();
        }