public void AddLeague(int id, int leagueId)
{
var game = _repo.GetSingle(gm => gm.Id == id);
if (game == null)
{
throw new Exception($"Cannot find game for Id {id}");
}
var entity = _lgRepo.GetSingle(lg => lg.Games.Any(gm => gm.Id == id) && lg.Id == leagueId);
if (entity != null)
{
throw new Exception($"Cannot add league to game. League Id '{leagueId}' was previously added.");
}
entity = _lgRepo.GetSingle(lg => lg.Id == leagueId);
if (entity == null)
{
throw new Exception($"Cannot find league for Id {leagueId}");
}
_repo.AddLeague(id, leagueId);
}