public async Task <IEnumerable <ClubPlayerDto> > Handle(GetClubPlayersQuery request, CancellationToken cancellationToken)
        {
            var club = await GetClub(request);

            var players = await GetPlayers(club);

            return(players);
        }
 private async Task <Club> GetClub(GetClubPlayersQuery request)
 => await context.Clubs
 .Include(x => x.City)
 .ThenInclude(x => x.Country)
 .FirstOrDefaultAsync(x => x.Id == request.ClubId);