public override void OnAuthenticated(IServiceBase authService, IAuthSession session, IOAuthTokens tokens, System.Collections.Generic.Dictionary<string, string> authInfo)
        {
            base.OnAuthenticated(authService, session, tokens, authInfo);

            if (session.Email == AuthTestsBase.AdminEmail)
                session.Roles.Add(RoleNames.Admin);
        }

        public override object Authenticate(IServiceBase authService, IAuthSession session, Authenticate request)
        {
            IAuthTokens tokens = Init(authService, ref session, request);
            IRequest httpRequest = authService.Request;


            string error = httpRequest.QueryString["error"];

            bool hasError = !error.IsNullOrEmpty();
            if (hasError)
            {
                Log.Error($"Odnoklassniki error callback. {httpRequest.QueryString}");
                return authService.Redirect(FailedRedirectUrlFilter(this, session.ReferrerUrl.SetParam("f", error)));
            }

            string code = httpRequest.QueryString["code"];
            bool isPreAuthCallback = !code.IsNullOrEmpty();
            if (!isPreAuthCallback)
            {
                string preAuthUrl = $"{PreAuthUrl}?client_id={ApplicationId}&redirect_uri={CallbackUrl.UrlEncode()}&response_type=code&layout=m";

                this.SaveSession(authService, session, SessionExpiry);
                return authService.Redirect(PreAuthUrlFilter(this, preAuthUrl));
            }

            try
            {
                string payload = $"client_id={ApplicationId}&client_secret={SecretKey}&code={code}&redirect_uri={CallbackUrl.UrlEncode()}&grant_type=authorization_code";

                string contents = AccessTokenUrlFilter(this, AccessTokenUrl).PostToUrl(payload, "*/*", RequestFilter);

                var authInfo = JsonObject.Parse(contents);

                //ok.ru does not throw exception, but returns error property in JSON response
                string accessTokenError = authInfo.Get("error");

                if (!accessTokenError.IsNullOrEmpty())
                {
                    Log.Error($"Odnoklassniki access_token error callback. {authInfo}");
                    return authService.Redirect(session.ReferrerUrl.SetParam("f", "AccessTokenFailed"));
                }
                tokens.AccessTokenSecret = authInfo.Get("access_token");
                tokens.UserId = authInfo.Get("user_id");

                session.IsAuthenticated = true;

                return OnAuthenticated(authService, session, tokens, authInfo.ToDictionary())
                    ?? authService.Redirect(SuccessRedirectUrlFilter(this, session.ReferrerUrl.SetParam("s", "1")));
            }
            catch (WebException webException)
            {
                //just in case it starts throwing exceptions 
                HttpStatusCode statusCode = ((HttpWebResponse)webException.Response).StatusCode;
                if (statusCode == HttpStatusCode.BadRequest)
                {
                    return authService.Redirect(FailedRedirectUrlFilter(this, session.ReferrerUrl.SetParam("f", "AccessTokenFailed")));
                }
            }
            return authService.Redirect(FailedRedirectUrlFilter(this, session.ReferrerUrl.SetParam("f", "Unknown")));
        }

        private object AuthenticateImpl(IServiceBase authService, IAuthSession session, string userName, string password, string referrerUrl)
        {
            if (!LoginMatchesSession(session, userName))
            {
                authService.RemoveSession();
                session = authService.GetSession();
            }
            if (TryAuthenticate(authService, userName, password))
            {
                session.IsAuthenticated = true;

                if (session.UserAuthName == null)
                {
                    session.UserAuthName = userName;
                }
                var response = OnAuthenticated(authService, session, null, null);
                if (response != null)
                    return response;

                var bytes = Encoding.UTF8.GetBytes(userName + ":" + password);

                return new CustomAuthenticateResponse
                {
                    UserId = session.UserAuthId,
                    UserName = userName,
                    SessionId = session.Id,
                    ReferrerUrl = referrerUrl,
                    AccessToken = Convert.ToBase64String(bytes)
                };
            }

            throw HttpError.Unauthorized(ErrorMessages.InvalidUsernameOrPassword);
        }

        public IUserAuth GetUserAuth(IAuthSession authSession, IAuthTokens tokens)
        {
            //if (!authSession.UserAuthId.IsNullOrEmpty())
            //{
            //    var userAuth = GetUserAuth(authSession.UserAuthId);
            //    if (userAuth != null)
            //    {
            //        return userAuth;
            //    }
            //}
            if (!authSession.UserAuthName.IsNullOrEmpty())
            {
                var userAuth = GetUserAuthByUserName(authSession.UserAuthName);
                if (userAuth != null)
                {
                    return userAuth;
                }
            }

            if (tokens == null || tokens.Provider.IsNullOrEmpty() || tokens.UserId.IsNullOrEmpty())
            {
                return null;
            }

            return null;
        }

        protected IAuthTokens Init(IServiceBase authService, ref IAuthSession session, Authenticate request)
        {
            Logger.Debug("SamlAuthProvider::Init:ENTER");
            if (this.CallbackUrl.IsNullOrEmpty())
            {
                this.CallbackUrl = authService.Request.AbsoluteUri;
                Logger.Debug("CallbackUrl was null, setting to: {0}".Fmt(this.CallbackUrl));
            }

            if (session.ReferrerUrl.IsNullOrEmpty() && authService.Request != null && authService.Request.Verb == "POST")
            {
                session.ReferrerUrl = this.IdpInitiatedRedirect;
            }
            else {
                session.ReferrerUrl = GetReferrerUrl(authService, session, request);
            }
            Logger.Debug("Session ReferrerUrl Set to: {0}".Fmt(session.ReferrerUrl));

            var tokens = session.ProviderOAuthAccess.FirstOrDefault(x => x.Provider == this.Provider);
            if (tokens == null)
            {
                Logger.Debug("Tokens were null, initializing");
                session.ProviderOAuthAccess.Add(tokens = new AuthTokens { Provider = this.Provider });                
            }
            Logger.Debug("Tokens contains");
            Logger.Debug(tokens.ToJson());
            Logger.Debug("SamlAuthProvider::Init:RETURN");
            return tokens;
        }

        public bool HasAllPermissions(IAuthSession session, IAuthRepository authRepo)
        {
            if (session == null)
                return false;

            return this.RequiredPermissions.All(x => session.HasPermission(x, authRepo));
        }

        public override object Authenticate(IServiceBase authService, IAuthSession session, Authenticate request)
        {
            var user = authService.Request.GetUser();
            var userName = user.GetUserName();
            if (!LoginMatchesSession(session, userName))
            {
                authService.RemoveSession();
                session = authService.GetSession();
            }

            if (IsAuthorized(user))
            {
                session.IsAuthenticated = true;
                if (session.UserAuthName == null)
                {
                    session.UserAuthName = userName;
                }

                var aspReq = (HttpRequestBase)authService.Request.OriginalRequest;

                var loginUser = aspReq.ServerVariables["LOGON_USER"].ToNullIfEmpty();
                var remoteUser = aspReq.ServerVariables["REMOTE_USER"].ToNullIfEmpty();
                var identityName = aspReq.LogonUserIdentity != null ? aspReq.LogonUserIdentity.Name : null;
                session.DisplayName = loginUser
                    ?? remoteUser
                    ?? identityName;

                var tokens = new AuthTokens {
                    Provider = Name,
                    UserName = userName,
                    DisplayName = session.DisplayName,
                    Items = new Dictionary<string, string> {
                        {"LOGON_USER", loginUser},
                        {"REMOTE_USER", remoteUser},
                        {"LogonUserIdentityName", identityName},
                    }
                };

                if (session.Roles == null)
                    session.Roles = new List<string>();

                foreach (var role in AllRoles.Safe())
                {
                    if (user.IsInRole(role))
                        session.Roles.AddIfNotExists(role);
                }

                OnAuthenticated(authService, session, tokens, new Dictionary<string, string>());

                return new AuthenticateResponse
                {
                    UserName = userName,
                    SessionId = session.Id,
                    DisplayName = session.DisplayName,
                    ReferrerUrl = request.Continue
                };
            }

            throw HttpError.Unauthorized("Windows Auth failed");
        }

        public bool HasAllPermissions(IAuthSession session)
        {
            if (session == null)
                return false;

            return this.RequiredPermissions.All(session.HasPermission);
        }

        /// <summary>
        /// Saves the Auth Tokens for this request. Called in OnAuthenticated(). 
        /// Overrideable, the default behaviour is to call IUserAuthRepository.CreateOrMergeAuthSession().
        /// </summary>
        protected virtual void SaveUserAuth(IServiceBase authService, IAuthSession session, IUserAuthRepository authRepo, IOAuthTokens tokens)
        {
            if (authRepo == null) return;
            if (tokens != null)
            {
                session.UserAuthId = authRepo.CreateOrMergeAuthSession(session, tokens);
            }

            authRepo.LoadUserAuth(session, tokens);

            foreach (var oAuthToken in session.ProviderOAuthAccess)
            {
                var authProvider = AuthService.GetAuthProvider(oAuthToken.Provider);
                if (authProvider == null) continue;
                var userAuthProvider = authProvider as OAuthProvider;
                if (userAuthProvider != null)
                {
                    userAuthProvider.LoadUserOAuthProvider(session, oAuthToken);
                }
            }

            authRepo.SaveUserAuth(session);

            var httpRes = authService.RequestContext.Get<IHttpResponse>();
            if (httpRes != null)
            {
                httpRes.Cookies.AddPermanentCookie(HttpHeaders.XUserAuthId, session.UserAuthId);
            }
            OnSaveUserAuth(authService, session);
        }

        public void LoadUserAuth(IAuthSession session, IAuthTokens tokens)
        {
            session.ThrowIfNull("session");

            var userAuth = GetUserAuth(session, tokens);
            LoadUserAuth(session, (UserAuth)userAuth);
        }

        public string CreateOrMergeAuthSession(IAuthSession authSession, IOAuthTokens tokens)
        {
            using (var redis = factory.GetClient())
            {
                UserOAuthProvider oAuthProvider = null;

                var oAuthProviderId = GetAuthProviderByUserId(redis, tokens.Provider, tokens.UserId);
                if (!oAuthProviderId.IsNullOrEmpty())
                    oAuthProvider = redis.As<UserOAuthProvider>().GetById(oAuthProviderId);

                var userAuth = GetUserAuth(redis, authSession, tokens)
                    ?? new UserAuth { Id = redis.As<UserAuth>().GetNextSequence(), };

                if (oAuthProvider == null)
                {
                    oAuthProvider = new UserOAuthProvider {
                        Id = redis.As<UserOAuthProvider>().GetNextSequence(),
                        UserAuthId = userAuth.Id,
                        Provider = tokens.Provider,
                        UserId = tokens.UserId,
                    };
                    var idx = IndexProviderToUserIdHash(tokens.Provider);
                    redis.SetEntryInHash(idx, tokens.UserId, oAuthProvider.Id.ToString());
                }

                oAuthProvider.PopulateMissing(tokens);
                userAuth.PopulateMissing(oAuthProvider);

                redis.Store(userAuth);
                redis.Store(oAuthProvider);
                redis.AddItemToSet(IndexUserAuthAndProviderIdsSet(userAuth.Id), oAuthProvider.Id.ToString());

                return userAuth.Id.ToString();
            }
        }

        public override void OnAuthenticated(IServiceBase authService, IAuthSession session, IOAuthTokens tokens, Dictionary<string, string> authInfo)
        {
            session.UserName = session.UserAuthName;

            //Important: You need to save the session!
            authService.SaveSession(session, SessionExpiry);
        }

        public string CreateOrMergeAuthSession(IAuthSession authSession, IOAuthTokens tokens)
        {
            var userAuth = GetUserAuth(authSession, tokens) ?? new UserAuth();

            return dbFactory.Exec(dbCmd => {
                var oAuthProvider = dbCmd.FirstOrDefault<UserOAuthProvider>(
                "Provider = {0} AND UserId = {1}", tokens.Provider, tokens.UserId);

                if (oAuthProvider == null)
                {
                    oAuthProvider = new UserOAuthProvider {
                        Provider = tokens.Provider,
                        UserId = tokens.UserId,
                    };
                }

                oAuthProvider.PopulateMissing(tokens);
                userAuth.PopulateMissing(oAuthProvider);

                dbCmd.Save(userAuth);

                oAuthProvider.UserAuthId = userAuth.Id != default(int)
                    ? userAuth.Id
                    : (int) dbCmd.GetLastInsertId();

                dbCmd.Save(oAuthProvider);

                return oAuthProvider.UserAuthId.ToString();
            });
        }

        public bool HasAllRoles(IAuthSession session, IAuthRepository authRepo)
        {
            if (session == null)
                return false;

            return this.RequiredRoles.All(x => session.HasRole(x, authRepo));
        }

        public UserAuth GetUserAuth(IAuthSession authSession, IOAuthTokens tokens)
        {
            if (!authSession.UserAuthId.IsNullOrEmpty())
            {
                var userAuth = GetUserAuth(authSession.UserAuthId);
                if (userAuth != null) return userAuth;
            }

            if (!authSession.UserAuthName.IsNullOrEmpty())
            {
                var userAuth = GetUserAuthByUserName(authSession.UserAuthName);
                if (userAuth != null) return userAuth;
            }

            if (tokens == null || tokens.Provider.IsNullOrEmpty() || tokens.UserId.IsNullOrEmpty())
                return null;

            var oAuthProvider = Session.QueryOver<UserOAuthProviderPersistenceDto>()
                .Where(x => x.Provider == tokens.Provider)
                .And(x => x.UserId == tokens.UserId)
                .SingleOrDefault();

            if (oAuthProvider != null)
            {
                return Session.QueryOver<UserAuthPersistenceDto>()
                    .Where(x => x.Id == oAuthProvider.UserAuthId)
                    .SingleOrDefault();
            }

            return null;
        }

 public override void OnAuthenticated(IServiceBase authService,
     IAuthSession session, IOAuthTokens tokens, Dictionary<string, string> authInfo)
 {
     session.ReferrerUrl = "/TripThru.TripThruGateway/";
     session.IsAuthenticated = true;
     authService.SaveSession(session, new TimeSpan(7, 0, 0, 0));
 }

 public bool HasAnyPermissions(IAuthSession session)
 {
     return this.RequiredPermissions
         .Any(requiredPermission => session != null
             && session.UserAuthId != null 
             && session.HasPermission(requiredPermission));
 }

         public static Response<PedidoItem> Get(this PedidoItem request,Factory factory,
                                           IAuthSession authSession)
        {
            try{
            var data = factory.Execute(proxy=>{
                var visitor = ReadExtensions.CreateExpression<PedidoItem>();
                visitor.Where(r=>r.IdPedido==request.IdPedido);
                return proxy.Get(visitor);
            });
                        
            return new Response<PedidoItem>(){
                Data=data

            };
            }
            catch(Exception e){
                ResponseStatus rs = new ResponseStatus(){
                    Message= e.Message,
                    StackTrace=e.StackTrace,
                    ErrorCode= e.ToString()
                };
                return new Response<PedidoItem>(){
                    ResponseStatus=rs
                };
            }
        }

        protected object Authenticate(IServiceBase authService, IAuthSession session, string userName, string password)
        {
            if (!LoginMatchesSession(session, userName)) {
                authService.RemoveSession();
                session = authService.GetSession();
            }

            if (TryAuthenticate(authService, userName, password))
            {
                session.IsAuthenticated = true;

                if (session.UserAuthName == null) 
                    session.UserAuthName = userName;

                var response = OnAuthenticated(authService, session, null, null);
                if (response != null)
                    return response;

                return new AuthenticateResponse {
                    UserId = session.UserAuthId,
                    UserName = userName,
                    SessionId = session.Id,
                };
            }

            throw HttpError.Unauthorized(ErrorMessages.InvalidUsernameOrPassword);
        }

        public override object Authenticate(IServiceBase authService, IAuthSession session, Authenticate request)
        {
            IAuthTokens tokens = Init(authService, ref session, request);
            IRequest httpRequest = authService.Request;


            string error = httpRequest.QueryString["error"]
                           ?? httpRequest.QueryString["error_uri"]
                           ?? httpRequest.QueryString["error_description"];

            bool hasError = !error.IsNullOrEmpty();
            if (hasError)
            {
                Log.Error($"Yandex error callback. {httpRequest.QueryString}");
                return authService.Redirect(FailedRedirectUrlFilter(this, session.ReferrerUrl.SetParam("f", error)));
            }

            string code = httpRequest.QueryString["code"];
            bool isPreAuthCallback = !code.IsNullOrEmpty();
            if (!isPreAuthCallback)
            {
                string preAuthUrl = $"{PreAuthUrl}?response_type=code&client_id={ApplicationId}&redirect_uri={CallbackUrl.UrlEncode()}&display=popup&state={Guid.NewGuid().ToString("N")}";
                this.SaveSession(authService, session, SessionExpiry);
                return authService.Redirect(PreAuthUrlFilter(this, preAuthUrl));
            }

            try
            {
                string payload = $"grant_type=authorization_code&code={code}&client_id={ApplicationId}&client_secret={ApplicationPassword}";
                string contents = AccessTokenUrl.PostStringToUrl(payload);

                var authInfo = JsonObject.Parse(contents);

                //Yandex does not throw exception, but returns error property in JSON response
                // http://api.yandex.ru/oauth/doc/dg/reference/obtain-access-token.xml
                string accessTokenError = authInfo.Get("error");

                if (!accessTokenError.IsNullOrEmpty())
                {
                    Log.Error($"Yandex access_token error callback. {authInfo}");
                    return authService.Redirect(session.ReferrerUrl.SetParam("f", "AccessTokenFailed"));
                }
                tokens.AccessTokenSecret = authInfo.Get("access_token");

                session.IsAuthenticated = true;

                return OnAuthenticated(authService, session, tokens, authInfo.ToDictionary())
                    ?? authService.Redirect(SuccessRedirectUrlFilter(this, session.ReferrerUrl.SetParam("s", "1")));
            }
            catch (WebException webException)
            {
                //just in case Yandex will start throwing exceptions 
                var statusCode = ((HttpWebResponse)webException.Response).StatusCode;
                if (statusCode == HttpStatusCode.BadRequest)
                {
                    return authService.Redirect(FailedRedirectUrlFilter(this, session.ReferrerUrl.SetParam("f", "AccessTokenFailed")));
                }
            }
            return authService.Redirect(FailedRedirectUrlFilter(this, session.ReferrerUrl.SetParam("f", "Unknown")));
        }