public async Task <IActionResult> PriceChange(PriceChangeDto priceChange)
        {
            pm.ChangePrices(priceChange.PercPriceChange);
            lm.AddLog(priceChange.User, $"Prices changed by {priceChange.PercPriceChange * 100}");
            await context.SaveChangesAsync();

            return(Ok());
        }