CmsData.EmailReplacements.RegisterLink C# (CSharp) Method

        private string RegisterLink(string code, EmailQueueTo emailqueueto)
        {
            var list = new Dictionary<string, OneTimeLink>();

            var doc = new HtmlDocument();
            doc.LoadHtml(code);
            var ele = doc.DocumentNode.Element("a");
            var inside = ele.InnerHtml.Replace("{last}", person.LastName);
            var d = ele.Attributes.ToDictionary(aa => aa.Name.ToString(), aa => aa.Value);

            var id = GetId(d, "RegisterLink");

            var showfamily = code.Contains("registerlink2", ignoreCase: true);
            var qs = $"{id},{emailqueueto.PeopleId},{emailqueueto.Id}";
            OneTimeLink ot;
            if (list.ContainsKey(qs))
                ot = list[qs];
            else
            {
                ot = new OneTimeLink
                {
                    Id = Guid.NewGuid(),
                    Querystring = qs
                };
                db.OneTimeLinks.InsertOnSubmit(ot);
                db.SubmitChanges();
                list.Add(qs, ot);
            }
            var url = db.ServerLink($"/OnlineReg/RegisterLink/{ot.Id.ToCode()}");
            if (showfamily)
                url += "?showfamily=true";
            if (d.ContainsKey("style"))
                return $@"<a href=""{url}"" style=""{d["style"]}"">{inside}</a>";
            return $@"<a href=""{url}"">{inside}</a>";
        }