Hi All,

I've got a LeBenderController that I'm trying to setup with DI/IoC using Autofac. I've got Autofac configured and working for other controllers, Backoffice & LeBlender in the Backoffice but I can't manage to get it working in a LeBlenderController.

Here is the error message received:

Error executing child request for handler 'System.Web.Mvc.HttpHandlerUtil+ServerExecuteHttpHandlerAsyncWrapper'.

{"Cannot bind source type Lecoati.LeBlender.Extension.Models.LeBlenderModel to model type Umbraco.Web.Controllers.ProjectListing."}

If I create a parameterless constructor all works well. Here is Autofac configuration:

protected override void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
        {
            var builder = new ContainerBuilder();
            builder.RegisterControllers(Assembly.GetExecutingAssembly());
            builder.RegisterApiControllers(Assembly.GetExecutingAssembly());
            builder.RegisterApiControllers(typeof(UmbracoApplication).Assembly);
            builder.RegisterApiControllers(typeof(Lecoati.LeBlender.Extension.Controllers.LeBlenderController).Assembly);
            builder.RegisterControllers(typeof(Lecoati.LeBlender.Extension.Controllers.LeBlenderController).Assembly);

            builder.RegisterType<AutofacHandlerResolver>().As<ICommandDispatcher>();
            builder.RegisterType<ContactService>().As<IContact>();
            builder.RegisterType<ProductsService>().As<IProduct>();
            builder.RegisterType<ProjectsService>().As<IProject>();
            builder.RegisterType<SuburbService>().As<ISuburb>();

            foreach (var assm in BuildManager.GetReferencedAssemblies().Cast<Assembly>())
            {
                builder.RegisterAssemblyTypes(assm).AsClosedTypesOf(typeof(ICommandHandler<>));
                builder.RegisterAssemblyTypes(assm).AsClosedTypesOf(typeof(ICommandHandler<,>));
            }

            var container = builder.Build();
            var resolver = new AutofacWebApiDependencyResolver(container);
            GlobalConfiguration.Configuration.DependencyResolver = resolver;
            DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
            base.ApplicationStarted(umbracoApplication, applicationContext);
        }

The controller is pretty straight forward:

public class ProjectListingController : LeBlenderController
    {
        private readonly LeBlenderHelper _leBlenderHelper;
        private readonly IProject _projectService;

        public ProjectListingController(IProject projectService)
        {
            _leBlenderHelper = new LeBlenderHelper();
            _projectService = projectService;
        }

        public ActionResult Index(LeBlenderModel model)
        {
            var projectModel = new ProjectListing
            {
                Header = _leBlenderHelper.GetValue(model, "heading", "Current Projects"),
                Projects = new List<ProjectListingSummary>()
            };
            return View(projectModel);
        }
    }
}

LeBlenderHelper is just a wrapper to get a string value from the LeBlenderModel;

public class LeBlenderHelper
{
    public string GetValue(LeBlenderModel model, string valueName, string defaultValue)
    {
        var value = model.Items.FirstOrDefault(a => a.HasProperty(valueName));
        return value == null
            ? defaultValue
            : value.GetValue(valueName);
    }
}

I'd be grateful for any advice and hints on where I can look next to getting this to work.

Cheers