HardwareOnline scraper

 [CacheOutput(ClientTimeSpan = 120, ServerTimeSpan = 120)]
        [HttpPost]
        [Route("api/Webscraper/SearchHardwareOnlineForKeywords")]
        public async Task<IHttpActionResult> SearchHardwareOnlineForKeywords(HardwareOnlineRequestModel model)
        {

            if (model.MaxThreadsToScan > 500)
            {
                return BadRequest("Max number of threads to scan is limited to 500 to keep up a good performance");
            }

            if (model.Keywords.Count == 0)
            {
                return BadRequest("You have to provide at least one keyword/sentence to scan for");
            }

            var client = new HttpClient();
            var doc = new HtmlAgilityPack.HtmlDocument();

            string url = model.SalesSection ? "https://www.hardwareonline.dk/koebsalgoversigt.aspx" : "http://www.hol.dk";

            var response = await client.GetStringAsync(url);

            doc.LoadHtml(response);

            if (model.SalesSection)
            {

                List<HardwareOnlineScraper> foundNodes = new List<HardwareOnlineScraper>();

                var target = doc.GetElementbyId("ContentPlaceHolder_ContentPlaceHolder_data").Descendants("div").Where(d => d.Attributes.Contains("class") && (d.Attributes["class"].Value.Contains("ks-oversigt") || d.Attributes["class"].Value.Contains("ks-oversigt-odd"))).Take(500);

                for (var i = 0; i < target.Count(); ++i)
                {
                    var title = target.ElementAt(i).ChildNodes[0].FirstChild;
                    var timestamp = target.ElementAt(i).ChildNodes[2].FirstChild.InnerText;

                    if (model.LimitedToLastTwoDays && (!timestamp.Contains("I dag") && !timestamp.Contains("I går")))
                    {
                        continue;
                    }

                    string parsed = title.InnerText.ToLower().Replace("&#230;", "æ").Replace("&#229;", "å").Replace("&#248;", "ø");

                    if (model.Keywords.Any(v => parsed.Contains(v)))
                    {

                        var user = target.ElementAt(i).ChildNodes[1].FirstChild.InnerText;
                        var zip = target.ElementAt(i).ChildNodes[3].FirstChild.InnerText;

                        foundNodes.Add(new HardwareOnlineSalesModel
                        {
                            Title = parsed,
                            ThreadUrl = "https://www.hardwareonline.dk" + title.GetAttributeValue("href", string.Empty),
                            Timestamp = timestamp,
                            Zip = zip,
                            User = user,
                            UserUrl = "https://www.hardwareonline.dk" + target.ElementAt(i).ChildNodes[1].FirstChild.GetAttributeValue("href", string.Empty)
                        });
                    }

                }

                return Ok(foundNodes);
            }

            else
            {

                List<HardwareOnlineScraper> foundNodes = new List<HardwareOnlineScraper>();

                var target = doc.DocumentNode.Descendants("div").Where(d => d.Attributes.Contains("class") && d.Attributes["class"].Value.Contains("pure-g"));

                for (var i = 1; i < target.Count(); ++i)
                {
                    var current = target.ElementAt(i).ChildNodes[1].FirstChild;

                    string parsed = current.InnerText.ToLower().Replace("&#230;", "æ").Replace("&#229;", "å").Replace("&#248;", "ø");

                    if (model.Keywords.Any(v => parsed.Contains(v)))
                    {
                        foundNodes.Add(new HardwareOnlineScraper
                        {
                            Title = parsed,
                            ThreadUrl = "https://www.hardwareonline.dk" + current.GetAttributeValue("href", string.Empty)
                        });
                    }

                }

                return Ok(foundNodes);
            }
        }