Umbraco Forms - Reply To, BCC, Extended Send Email, Workflow

using System;
using System.Net.Mail;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Mvc;
using System.Xml;
using System.Xml.XPath;
using Umbraco.Forms.Core;
using Umbraco.Forms.Core.Attributes;
using Umbraco.Forms.Core.Enums;
using Umbraco.Forms.Data.Storage;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Contour.SharedSource.Providers.WorkflowTypes
{
    public class SendEmailExtended : WorkflowType
    {
        [Umbraco.Forms.Core.Attributes.Setting("Email", description = "Enter the receiver email", view = "TextField")]
        public string Email { get; set; }

        [Umbraco.Forms.Core.Attributes.Setting("SenderEmail", description = "Enter the sender email (if blank it will use the settings from /config/umbracosettings.config)", view = "TextField")]
        public string SenderEmail { get; set; }

        [Umbraco.Forms.Core.Attributes.Setting("BCC", description = "Enter a BCC email address", view = "TextField")]
        public string BCC { get; set; }

        [Umbraco.Forms.Core.Attributes.Setting("Reply To", description = "Enter a Reply-To email address", view = "TextField")]
        public string replyTo { get; set; }

        [Umbraco.Forms.Core.Attributes.Setting("Subject", description = "Enter the subject", view = "TextField")]
        public string Subject { get; set; }

        [Umbraco.Forms.Core.Attributes.Setting("Message", description = "Enter the intro message",  view = "TextArea" )]
        public string Message { get; set; }


        public SendEmailExtended()
        {
            this.Id = new Guid("FC92552F-4063-4CC2-ACC9-B1DF7EEA151A");
            this.Name = "Send Email Extended";
            this.Description = "An extenstion of send email with functionality to BCC & Reply-To";
            this.Icon = "icon-message";
        }

        public override List<Exception> ValidateSettings()
        {
            List<Exception> l = new List<Exception>();
            if (string.IsNullOrEmpty(Email))
                l.Add(new Exception("'Email' setting not filled out'"));

            if (string.IsNullOrEmpty(Message))
                l.Add(new Exception("'Message' setting not filled out'"));


            return l;
        }

        public override WorkflowExecutionStatus Execute(Record record, RecordEventArgs e)
        {
            System.Net.Mail.MailMessage m = new System.Net.Mail.MailMessage();
            m.From = new System.Net.Mail.MailAddress(umbraco.UmbracoSettings.NotificationEmailSender);
            m.Subject = Subject;
            m.IsBodyHtml = true;

            // ATTACH EMAIL ADDRESS'
            if (Email.Contains(';'))
            {
                string[] emails = Email.Split(';');
                foreach (string email in emails)
                {
                    m.To.Add(email.Trim());
                }
            }else{
                m.To.Add(Email);
            }

            // ATTACH BCC ADDRESS'
            if (!string.IsNullOrEmpty(BCC)) { m.Bcc.Add(BCC); }

            // ATTACH REPLY TO ADDRESS'
            if (!string.IsNullOrEmpty(replyTo)) { m.ReplyToList.Add(replyTo); }

            /*RecordsViewer viewer = new RecordsViewer();
            XmlNode xml = viewer.GetSingleXmlRecord(record, new System.Xml.XmlDocument());*/

            var xml = record.ToXml(new System.Xml.XmlDocument());
            XPathNavigator navigator = xml.CreateNavigator();

            XPathExpression selectExpression = navigator.Compile("//fields/child::*");
            selectExpression.AddSort("@pageindex", XmlSortOrder.Ascending, XmlCaseOrder.None, "", XmlDataType.Number);
            selectExpression.AddSort("@fieldsetindex", XmlSortOrder.Ascending, XmlCaseOrder.None, "", XmlDataType.Number);
            selectExpression.AddSort("@sortorder", XmlSortOrder.Ascending, XmlCaseOrder.None, "", XmlDataType.Number);

            XPathNodeIterator nodeIterator = navigator.Select(selectExpression);

            string list = "<dl>";

            while( nodeIterator.MoveNext() ){

                list += "<dt><strong>" + nodeIterator.Current.SelectSingleNode("caption").Value + ": </strong><dt><dd>";

                XPathNodeIterator values = nodeIterator.Current.Select(".//value");

                while(values.MoveNext())
                    list += values.Current.Value.Trim() + "<br/>";

                list += "</dd>";

            }

            list += "</dl>";

            m.Body = "<p>" + Message + "</p>" + list;

            System.Net.Mail.SmtpClient s = new System.Net.Mail.SmtpClient();

            s.Send(m);

            return WorkflowExecutionStatus.Completed;
        }
    }
}