/// <summary>
        /// Returns available list of all divisions.
        /// </summary>
        /// <param name="tournamentId">Identifier of the tournament.</param>
        /// <returns>Json list of divisions</returns>
        public JsonResult GetAllAvailableDivisions(int tournamentId)
        {
            var tournamentDivisionsList = _tournamentService.GetAllTournamentDivisions(tournamentId);
            var divisions = tournamentDivisionsList.Select(DivisionViewModel.Map);

            return(Json(divisions, JsonRequestBehavior.AllowGet));
        }