private async void ProcessAuctions(IEnumerable <AuctionDto> auctions)
        {
            foreach (var auction in auctions)
            {
                var auctionDetails = new List <AuctionDetails>();
                var htmlPages      = new List <HtmlDocument>

                {
                    GetHtmlDocument(auction.FilteredUrl)
                };

                GetHtmlDocumentPages(auction, htmlPages);
                GetAuctionsDetailsFromPage(htmlPages, auctionDetails);
                await _auctionService.AddAuctionDetailsAsync(auction.FilteredUrl, auctionDetails);
            }
        }