public async Task <IActionResult> AddFriend(AddFriendshipDto newFriendship)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest());
            }

            return(Ok(await _friendshipService.AddFriend(newFriendship)));
        }
        public async Task <ServiceResponse <User> > AddFriend(AddFriendshipDto newFriendship)  //User1 is trying to add User2
        {
            ServiceResponse <User> response = new ServiceResponse <User>();

            try
            {
                #region dvapristupa_contextu
                //User userSendingRequest = await _context.Users
                //      .Include(u => u.Friendships).ThenInclude(fs => fs.User2)
                //      .FirstOrDefaultAsync(u => u.Id == newFriendship.UserId1 && u.Id == GetUserId());
                //User userReceivingRequest = await _context.Users.FirstOrDefaultAsync(u => u.Id == newFriendship.UserId2);
                #endregion dvapristupa_contextu
                var usersDb = await _context.Users.ToListAsync();

                //isti korisnik je ulogovan i pokusava da posalje zahtev
                User userSendingRequest = usersDb.FirstOrDefault(u => u.Id == GetUserId() && u.Id == newFriendship.UserId1);
                if (userSendingRequest == null)
                {
                    response.Success = false;
                    response.Message = "User not found";
                    return(response);
                }
                User userReceivingRequest = usersDb.FirstOrDefault(u => u.Id == newFriendship.UserId2);
                if (userReceivingRequest == null)
                {
                    response.Success = false;
                    response.Message = "Cannot find user you're trying to add.";
                    return(response);
                }

                //TREBA DA PRETRAZIM DA LI VEC POSTOJI PRIJATELJSTVO ILI NEKAKO DA ZABRANIM REQ AKO POSTOJI

                Friendship friendship = new Friendship
                {
                    User1  = userSendingRequest,
                    User2  = userReceivingRequest,
                    Status = 0
                };
                await _context.Friendships.AddAsync(friendship);

                await _context.SaveChangesAsync();

                response.Data = userSendingRequest;
            }
            catch (Exception ex)
            {
                response.Success = false;
                response.Message = ex.Message;
            }

            return(response);
        }