CmsData.EmailReplacements.IsSpecialLink C# (CSharp) Метод

        public static bool IsSpecialLink(string link)
        {
            return SPECIAL_FORMATS.Contains(link.ToLower());
        }

        private string CreateClickTracking(int emailId, string input)
        {
            var doc = new HtmlDocument();

            doc.LoadHtml(input);
            int linkIndex = 0;

            using (var md5Hash = MD5.Create())
            {
                var linkList = doc.DocumentNode.SelectNodes("//a[@href]");
                if (linkList == null)
                {
                    return(doc.DocumentNode.OuterHtml);
                }

                foreach (HtmlNode link in linkList)
                {
                    var att = link.Attributes["href"];
                    var url = att.Value;
                    if (EmailReplacements.IsSpecialLink(url))
                    {
                        continue;
                    }
                    if (url.StartsWith("mailto:"))
                    {
                        continue;
                    }

                    if (EmailReplacements.SettingUrlRe.IsMatch(url))
                    {
                        url = EmailReplacements.SettingUrlReplacement(this, url);
                    }
                    var hash = HashMd5Base64(md5Hash, url + DateTime.Now.ToString("o") + linkIndex);

                    var emailLink = new EmailLink
                    {
                        Created = DateTime.Now,
                        EmailID = emailId,
                        Hash    = hash,
                        Link    = url
                    };
                    EmailLinks.InsertOnSubmit(emailLink);
                    SubmitChanges();

                    att.Value = ServerLink($"/ExternalServices/ct?l={HttpUtility.UrlEncode(hash)}");

                    linkIndex++;
                }
            }

            return(doc.DocumentNode.OuterHtml);
        }