/ThinkEmailFomatter/IoCModules/ContextModule.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Autofac;
using ThinkEmailFormatter.Controllers;
using ThinkEmailFormatter.Models;
using System.Web.Configuration;
using System.Configuration;
using Microsoft.Practices.EnterpriseLibrary.Logging;
using Microsoft.Practices.EnterpriseLibrary.Common.Configuration;

namespace ThinkEmailFormatter.IoCModules
{
    public class ContextModule : Module
    {
        protected override void Load(ContainerBuilder builder)
        {
            string emailContextHost = ConfigurationManager.AppSettings["SmtpServer"];
            string fromAddress = ConfigurationManager.AppSettings["SmtpServer.FromAddress"];
            string attachmentsRoot = ConfigurationManager.AppSettings["Attachments.Root.Url"];

            builder
                .Register(c => new HttpContextWrapper(System.Web.HttpContext.Current))
                .As<HttpContextBase>()
                .Named<HttpContextBase>("HttpContext");

            builder
                .Register(c => new ControllerAggregateService 
                (
                    c.ResolveNamed<HttpContextBase>("HttpContext"),
                    c.ResolveNamed<IThinkHelper>("ThinkHelper"),
                    new EmailContext()
                    {
                        AttachmentsRootUrl = attachmentsRoot,
                        Host = emailContextHost,
                        FromEmail = fromAddress
                    },
                    EnterpriseLibraryContainer.Current.GetInstance<LogWriter>()
                ))
                .As<IControllerAggregateService>();

            builder
                .Register(c => new TemplateController(c.Resolve<IControllerAggregateService>()));

            builder
                .Register(c => new AttachmentsController(c.Resolve<IControllerAggregateService>()));
        }
    }
}