BB.UI.Web.MVC.Controllers.AccountController.Register C# (CSharp) Method

        public async Task<ActionResult> Register(RegisterViewModel model, HttpPostedFileBase profileImage)
        {
            string imagePath = null;
            if(profileImage != null && profileImage.ContentLength > 0)
            {
                var imageFileName = Path.GetFileName(profileImage.FileName);
                imagePath = FileHelper.NextAvailableFilename(Path.Combine(Server.MapPath(ConfigurationManager.AppSettings["UsersImgPath"]), imageFileName));
                profileImage.SaveAs(imagePath);
                imagePath = Path.GetFileName(imagePath);
            }
            if (ModelState.IsValid)
            {
                var checkUserEmail = userMgr.ReadUser(model.Email);
                if(checkUserEmail != null)
                {
                    ModelState.AddModelError("Email", "Email is already in use");
                    return View(model);
                }
                var user = userMgr.CreateUser(model.Email, model.LastName, model.FirstName, model.NickName, imagePath);
                var appUser = new ApplicationUser { UserName = model.Email, Email = model.Email };
                var result = await UserManager.CreateAsync(appUser, model.Password);
                if (result.Succeeded)
                {
                    UserManager.AddToRole(appUser.Id, "User");
                    await SignInManager.SignInAsync(appUser, isPersistent: false, rememberBrowser: false);
                    return RedirectToAction("Index", "Home");
                }
                userMgr.DeleteUser(user.Id);
                AddErrors(result);
                ModelState.AddModelError("Password", "Password must contain a capital and a number");
            }
            // If we got this far, something failed, redisplay form
            
            return View(model);
        }