Mvc Mail Sender

MailerBase.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Net.Mail;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;

public abstract class MailerBase : ControllerBase
{
    protected override void ExecuteCore()
    {
    }

    public virtual void Send(string to, string subject = null, object model = null, string viewName = null)
    {
        // get method name
        var action = viewName ?? new StackFrame(1).GetMethod().Name;

        this.Send(new[] { to }, subject, model, action);
    }

    public virtual void Send(string[] to, string subject = null, object model = null, string viewName = null)
    {
        // get method name
        var action = viewName ?? new StackFrame(1).GetMethod().Name;

        // initialize client
        var client = new SmtpClient();
        var message = this.GetMessage(options: m => {
                m.Subject = subject;

                // add "to" emails
                foreach (var i in to) m.To.Add(i);
            },
            model: model,
            viewName: action
        );

        client.Send(message);
    }

    public virtual MailMessage GetMessage(Action<MailMessage> options = null, object model = null, string viewName = null)
    {
        ControllerContext controllerContext;
        var content = string.Empty;

        // get view engine
        var action = viewName ?? new StackFrame(1).GetMethod().Name;
        var view = this.GetView(viewName, out controllerContext);
        var viewData = new ViewDataDictionary(model);
        var tempData = new TempDataDictionary();

        // get html string
        using (var writer = new StringWriter())
        {
            var context = new ViewContext(controllerContext, view.View, viewData, tempData, writer);

            view.View.Render(context, writer);
            writer.Flush();
            content = writer.ToString();
        }

        // render options and return message
        return MailerBase.GetMessage(options, content);
    }

    private ViewEngineResult GetView(string viewName, out ControllerContext controllerContext)
    {
        // get action name
        var controller = this.GetType().Name;

        var routeData = MailerBase.GetRouteData(controller, viewName);

        // get controller context with current http context
        var httpContext = HttpContext.Current.Request.RequestContext.HttpContext;
        controllerContext = new ControllerContext(httpContext, routeData, this);

        // create view engine and return it
        return ViewEngines.Engines.FindView(controllerContext, viewName, null);
    }

    private static MailMessage GetMessage(Action<MailMessage> messageOptions, string content)
    {
        // assign html to new mail message
        var message = new MailMessage();
        message.IsBodyHtml = true;
        message.Body = content;

        if (messageOptions != null)
        {
            messageOptions(message);
        }

        return message;
    }

    private static RouteData GetRouteData(string controller, string action)
    {
        var routeData = new RouteData();
        routeData.Values.Add("controller", controller);
        routeData.Values.Add("action", action);

        return routeData;
    }
}