private void UpdateUserRank(int UserID)
        {
            ComboUser user = new ComboUser();
            user.GetUserByUserId(UserID);

            UserActivityLog log = new UserActivityLog();
            log.GetActivityDaysByUserID(user.ComboUserID);

            ComboPost posts = new ComboPost();
            posts.GetUserPostsCountByUserID(user.ComboUserID);

            ComboComment comments = new ComboComment();
            comments.GetPostCommentsCountByUserID(user.ComboUserID);

            ComboPostLike postLikes = new ComboPostLike();
            postLikes.GetPostLikesCountByUserID(user.ComboUserID);

            ProfileFollower followers = new ProfileFollower();
            followers.GetProfileFollowersCountByUserID(user.ComboUserID);

            ProfileFollower followings = new ProfileFollower();
            followings.GetProfileFollowingCountByUserID(user.ComboUserID);

            ProfileLiker profileLikes = new ProfileLiker();
            profileLikes.GetProfileLikerCountByUserID(user.ComboUserID);

            int oldRank = user.UserRankID;

            if (Convert.ToInt32(log.GetColumn("TotalActivityDays")) > 365 ||
                Convert.ToInt32(posts.GetColumn("TotalPostCount")) > 3000 ||
                Convert.ToInt32(comments.GetColumn("TotalCount")) > 3000 ||
                Convert.ToInt32(postLikes.GetColumn("TotalPostLikes")) > 3000 ||
                Convert.ToInt32(followers.GetColumn("TotalFollowers")) > 3000 ||
                Convert.ToInt32(followings.GetColumn("TotalFollowings")) > 3000 ||
                Convert.ToInt32(profileLikes.GetColumn("TotalProfileLikes")) > 3000)
            {
                user.UserRankID = 5;
            }
            else if (Convert.ToInt32(log.GetColumn("TotalActivityDays")) > 240 ||
                    Convert.ToInt32(posts.GetColumn("TotalPostCount")) > 2000 ||
                    Convert.ToInt32(comments.GetColumn("TotalCount")) > 2000 ||
                    Convert.ToInt32(postLikes.GetColumn("TotalPostLikes")) > 2000 ||
                    Convert.ToInt32(followers.GetColumn("TotalFollowers")) > 2000 ||
                    Convert.ToInt32(followings.GetColumn("TotalFollowings")) > 2000 ||
                    Convert.ToInt32(profileLikes.GetColumn("TotalProfileLikes")) > 2000)
            {
                user.UserRankID = 4;
            }
            else if (Convert.ToInt32(log.GetColumn("TotalActivityDays")) > 120 ||
                    Convert.ToInt32(posts.GetColumn("TotalPostCount")) > 1000 ||
                    Convert.ToInt32(comments.GetColumn("TotalCount")) > 1000 ||
                    Convert.ToInt32(postLikes.GetColumn("TotalPostLikes")) > 1000 ||
                    Convert.ToInt32(followers.GetColumn("TotalFollowers")) > 1000 ||
                    Convert.ToInt32(followings.GetColumn("TotalFollowings")) > 1000 ||
                    Convert.ToInt32(profileLikes.GetColumn("TotalProfileLikes")) > 1000)
            {
                user.UserRankID = 3;
            }
            else if (Convert.ToInt32(log.GetColumn("TotalActivityDays")) > 30 ||
                    Convert.ToInt32(posts.GetColumn("TotalPostCount")) > 500 ||
                    Convert.ToInt32(comments.GetColumn("TotalCount")) > 500 ||
                    Convert.ToInt32(postLikes.GetColumn("TotalPostLikes")) > 500 ||
                    Convert.ToInt32(followers.GetColumn("TotalFollowers")) > 500 ||
                    Convert.ToInt32(followings.GetColumn("TotalFollowings")) > 500 ||
                    Convert.ToInt32(profileLikes.GetColumn("TotalProfileLikes")) > 500)
            {
                user.UserRankID = 2;
            }

            user.Save();
            if (user.UserRankID > oldRank)
            {
                /**************************/
                // save notification and push it to device
                UserRank old = new UserRank();
                old.LoadByPrimaryKey(oldRank);

                UserRank newrank = new UserRank();
                newrank.LoadByPrimaryKey(user.UserRankID);

                List<Models.UserRankUpdated> arequest = user.DefaultView.Table.AsEnumerable().Select(row =>
                {
                    return new Models.UserRankUpdated
                    {
                        ComboUserID = Convert.ToInt32(row["ComboUserID"]),
                        UserName = user.UserName,
                        DisplayName = user.DisplayName,
                        OldUserRankID = oldRank,
                        NewUserRankID = user.UserRankID,
                        OldRankName = old.Name,
                        NewRankName = newrank.Name,
                        ProfilePic = row["ProfilePic"].ToString()
                    };
                }).ToList();

                ComboNotification notification = new ComboNotification();
                notification.AddNew();
                notification.ComboUserID = user.ComboUserID;
                notification.NotificationType = (int)Combo.Models.NotificationType.UPDATE_USER_RANK; // update rank
                notification.NotificationDate = DateTime.UtcNow;
                notification.NotificationBody = Newtonsoft.Json.JsonConvert.SerializeObject(arequest);
                notification.IsRead = false;
                notification.Save();

                List<Models.ComboNotification> notificationJson = notification.DefaultView.Table.AsEnumerable().Select(row =>
                {
                    return new Models.ComboNotification
                    {
                        ComboNotificationID = Convert.ToInt32(row["ComboNotificationID"]),
                        ComboUserID = Convert.ToInt32(row["ComboUserID"]),
                        IsRead = Convert.ToBoolean(row["IsRead"]),
                        NotificationBody = row["NotificationBody"].ToString(),
                        NotificationDate = Convert.ToDateTime(row["NotificationDate"].ToString()).Subtract(new DateTime(1970, 1, 1)).TotalSeconds,
                        NotificationType = Convert.ToInt32(row["NotificationType"])
                    };
                }).ToList();

                SendGCMNotification(Newtonsoft.Json.JsonConvert.SerializeObject(notificationJson), user.DeviceID);
                /**************************/
            }
        }
 public bool AddActivityLog(int userID, DateTime date)
 {
     try
     {
         int discount = 0;
         UserActivityLog log = new UserActivityLog();
         if (log.GetLastActivityByUserID(userID))
         {
             // get between days only i.e.
             // last day 01/03/2015 - current date  04/03/2015
             // the between days not equal 3 it's only 2 ( 02/03/2015 - 03-03-2015 )
             // so diff = current date - last date - 1
             discount = date.Subtract(log.Date).Days - 1;
         }
         log.AddNew();
         log.ComboUserID = userID;
         log.Date = date;
         log.DaysToDiscount = discount;
         log.Save();
         // if save success
         return true;
     }
     catch (Exception ex)
     {
         //if save fail - duplicate entry
         return false;
     }
 }
        public void GetUserInfoByID(int id)
        {
            Models.ComboResponse _response = new Models.ComboResponse();
            _response.bool_result = true;
            _response.ErrorCode = 0;
            _response.ErrorMsg = "";

            ComboUser user = new ComboUser();
            user.GetUserByUserId(id);

            ComboComment comments = new ComboComment();
            comments.GetPostCommentsCountByUserID(user.ComboUserID);

            UserActivityLog log = new UserActivityLog();
            log.GetActivityDaysByUserID(user.ComboUserID);

            ComboUser stats = new ComboUser();
            stats.GetUserStatisticsByUserId(id);

            List<Models.ComboUser> Users = user.DefaultView.Table.AsEnumerable().Select(row =>
            {
                return new Models.ComboUser
                {
                    ComboUserID = Convert.ToInt32(row["ComboUserID"]),
                    UserName = row["UserName"].ToString(),
                    DisplayName = row["DisplayName"].ToString(),
                    Password = row["Password"].ToString(),
                    Email = row["Email"].ToString(),
                    Bio = row["Bio"].ToString(),
                    ProfileImgID = row.IsNull("ProfileImgID") ? 0 : Convert.ToInt32(row["ProfileImgID"]),
                    CoverImgID = row.IsNull("CoverImgID") ? 0 : Convert.ToInt32(row["CoverImgID"]),
                    GenderID = row.IsNull("GenderID") ? 0 : Convert.ToInt32(row["GenderID"]),
                    IsActivated = row.IsNull("IsActivated") ? false : Convert.ToBoolean(row["IsActivated"]),
                    ExternalIDType = row.IsNull("ExternalIDType") ? 0 : Convert.ToInt32(row["ExternalIDType"]),
                    ExternalID = row["ExternalID"].ToString(),
                    DeviceID = row["DeviceID"].ToString(),
                    ActivationCode = row.IsNull("ActivationCode") ? Guid.Empty : new Guid(row["ActivationCode"].ToString()),
                    PassResetCode = row.IsNull("PassResetCode") ? Guid.Empty : new Guid(row["PassResetCode"].ToString()),
                    FollowersCount = Convert.ToInt32(stats.GetColumn("FollowersCount")),
                    FollowingCount = Convert.ToInt32(stats.GetColumn("FollowingsCount")),
                    FriendsCount = Convert.ToInt32(stats.GetColumn("FriendsCount")),
                    PostsCount = Convert.ToInt32(stats.GetColumn("PostsCount")),
                    PostsLikeCount = Convert.ToInt32(stats.GetColumn("PostsLikeCount")),
                    ProfilePic = row["ProfilePic"].ToString(),
                    SecurityQuestion = row["SecurityQuestion"].ToString(),
                    SecurityAnswer = row["SecurityAnswer"].ToString(),
                    UserRankID = Convert.ToInt32(row["UserRankID"]),
                    ProfileLikerCount = Convert.ToInt32(stats.GetColumn("ProfileLikerCount")),
                    SecurityWord = row["SecurityWord"].ToString(),
                    CountryFlagPath = row["CountryFlagPath"].ToString(),
                    Location = row["Location"].ToString(),
                    TotalActivityDays = log.RowCount > 0 ? Convert.ToInt32(log.GetColumn("TotalActivityDays")) : 0,
                    CommentsCount = Convert.ToInt32(comments.GetColumn("TotalCount"))
                };
            }).ToList();

            _response.Entity = Users;
            SetContentResult(_response);
        }