public SimpleMembershipInitializer()
            {
                Database.SetInitializer<UsersContext>(null);

                try
                {
                    using (var context = new UsersContext())
                    {
                        if (!context.Database.Exists())
                        {
                            // Create the SimpleMembership database without Entity Framework migration schema
                            ((IObjectContextAdapter)context).ObjectContext.CreateDatabase();
                        }
                    }

                    WebSecurity.InitializeDatabaseConnection("DefaultConnection", "UserProfile", "UserId", "UserName", autoCreateTables: true);
                }
                catch (Exception ex)
                {
                    throw new InvalidOperationException("The ASP.NET Simple Membership database could not be initialized. For more information, please see http://go.microsoft.com/fwlink/?LinkId=256588", ex);
                }
            }
        public ActionResult ExternalLoginConfirmation(RegisterExternalLoginModel model, string returnUrl)
        {
            string provider = null;
            string providerUserId = null;

            if (User.Identity.IsAuthenticated || !OAuthWebSecurity.TryDeserializeProviderUserId(model.ExternalLoginData, out provider, out providerUserId))
            {
                return RedirectToAction("Manage");
            }

            if (ModelState.IsValid)
            {
                // Insert a new user into the database
                using (UsersContext db = new UsersContext())
                {
                    UserProfile user = db.UserProfiles.FirstOrDefault(u => u.UserName.ToLower() == model.UserName.ToLower());
                    // Check if user already exists
                    if (user == null)
                    {
                        // Insert name into the profile table
                        UserProfile newUser = db.UserProfiles.Add(new UserProfile { UserName = model.UserName });
                        db.SaveChanges();

                        db.ExternalUsers.Add(new ExternalUserInformation
                        {
                            UserId = newUser.UserId,
                            login = model.login,
                            id = model.id,
                            avatar_url = model.avatar_url,
                            gravatar_id = model.gravatar_id,
                            url = model.url,
                            html_url = model.html_url,
                            followers_url = model.followers_url,
                            following_url = model.following_url,
                            gists_url = model.gists_url,
                            starred_url = model.starred_url,
                            subscriptions_url = model.subscriptions_url,
                            organizations_url = model.organizations_url,
                            repos_url = model.repos_url,
                            events_url = model.events_url,
                            received_events_url = model.received_events_url,
                            type = model.type,
                            site_admin = model.site_admin

                        });
                        db.SaveChanges();

                        OAuthWebSecurity.CreateOrUpdateAccount(provider, providerUserId, model.UserName);
                        OAuthWebSecurity.Login(provider, providerUserId, createPersistentCookie: false);

                        return RedirectToLocal(returnUrl);
                    }
                    else
                    {
                        ModelState.AddModelError("UserName", "User name already exists. Please enter a different user name.");
                    }
                }
            }

            ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(provider).DisplayName;
            ViewBag.ReturnUrl = returnUrl;
            return View(model);
        }
        private bool ValidateUser()
        {
            try
            {
                UsersContext user_context = new UsersContext();
                MembershipUser member = Membership.GetUser();
                int UserID = Int32.Parse(member.ProviderUserKey.ToString());
                //UserProfile user = user_context.UserProfiles.Where(d => d.UserId == UserID).First();
                ExternalUserInformation git_info = user_context.ExternalUsers.Where(d => d.UserId == UserID).First();

                RestClient client = new RestClient(clientURL);
                client.Authenticator = new HttpBasicAuthenticator(username, password);
                RestRequest request = new RestRequest("orgs/{org}/members/{user}", Method.GET);
                request.AddUrlSegment("org", org);
                request.AddUrlSegment("user", git_info.login);
                var temp = client.Execute(request);
                if (temp.StatusCode == System.Net.HttpStatusCode.NoContent)
                {
                    return true;
                }
                return false;
            }
            catch(Exception ex)
            {
                return false;
            }
        }