protected override IAsyncResult BeginExecute(RequestContext requestContext, AsyncCallback callback, object state)
        {
            this.CurrentUser = this.usersService
                .GetUser(requestContext.HttpContext.User.Identity.Name);

            return base.BeginExecute(requestContext, callback, state);
        }
        public User UpdateUser(User userToUpdate, string role)
        {
            this.users.Update(userToUpdate);

            if (role == Roles.AdminRole)
            {
                var userManager = new UserManager<User>(new UserStore<User>((VinylCDbContext)this.dbContext));
                userManager.AddToRole(userToUpdate.Id, Roles.AdminRole);
            }
            
            this.users.SaveChanges();

            return userToUpdate;
        }
        public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl)
        {
            if (User.Identity.IsAuthenticated)
            {
                return RedirectToAction("Index", "Manage");
            }

            if (ModelState.IsValid)
            {
                // Get the information about the user from the external login provider
                var info = await AuthenticationManager.GetExternalLoginInfoAsync();
                if (info == null)
                {
                    return View("ExternalLoginFailure");
                }
                var user = new User { UserName = model.Email, Email = model.Email };
                var result = await UserManager.CreateAsync(user);
                if (result.Succeeded)
                {
                    result = await UserManager.AddLoginAsync(user.Id, info.Login);
                    if (result.Succeeded)
                    {
                        await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
                        return RedirectToLocal(returnUrl);
                    }
                }
                AddErrors(result);
            }

            ViewBag.ReturnUrl = returnUrl;
            return View(model);
        }
        public async Task<ActionResult> Register(RegisterViewModel model, bool captchaValid)
        {
            if (ModelState.IsValid)
            {
                if (model.Avatar == null)
                {
                    model.Avatar = Avatar.DefaultAvatar;
                }

                var user = new User
                {
                    UserName = model.UserName,
                    Email = model.Email,
                    Avatar = model.Avatar
                };
                var result = await UserManager.CreateAsync(user, model.Password);
                if (result.Succeeded)
                {
                    await SignInManager.SignInAsync(user, isPersistent:false, rememberBrowser:false);
                    
                    // For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
                    // Send an email with this link
                    // string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
                    // var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
                    // await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");

                    return RedirectToAction("Index", "Home");
                }
                AddErrors(result);
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }