public static bool AddFriendRequest(string user1, string user2)
        {
            int user1Id = GetUserId(user1);
            int user2Id = GetUserId(user2);

            try
            {
                var userList = new List <User_privilage>();
                userList = (from usr in _db.user_privilage
                            where usr.user1_id == user2Id && usr.user2_id == user1Id && usr.status == "Requested"
                            select usr).ToList();

                if (userList.Count == 0)
                {
                    User_privilage up = new User_privilage()
                    {
                        user1_id = user2Id,
                        user2_id = user1Id,
                        status   = "Requested"
                    };
                    try
                    {
                        _db.user_privilage.Add(up);
                        _db.SaveChanges();
                        return(true);
                    }
                    catch { }
                }
            }
            catch { }
            return(false);
        }
        public static bool ConfirmFriendRequest(string user1, string user2)
        {
            int user1Id = GetUserId(user1);
            int user2Id = GetUserId(user2);

            int rows = _db.Database.ExecuteSqlRaw($"UPDATE user_privilage SET status = 'Confirmed' " +
                                                  $"WHERE user1_id = '{user1Id}' and user2_id = '{user2Id}'");

            if (rows >= 1)
            {
                try
                {
                    var userList = new List <User_privilage>();
                    userList = (from usr in _db.user_privilage
                                where usr.user1_id == user2Id && usr.user2_id == user1Id && usr.status == "Confirmed"
                                select usr).ToList();

                    if (userList.Count == 0)
                    {
                        User_privilage up = new User_privilage()
                        {
                            user1_id = user2Id,
                            user2_id = user1Id,
                            status   = "Confirmed"
                        };
                        try
                        {
                            _db.user_privilage.Add(up);
                            _db.SaveChanges();
                            return(true);
                        }
                        catch { }
                    }
                }
                catch { }
            }
            return(false);
        }