public static IList <int> GetAvailableChampions(string rank, string role)
{
IList <AvgTimelineDto> avg;
using (var data = new SqlData())
{
avg = data.GetDistinctAvgTimeline();
}
if (!string.IsNullOrWhiteSpace(rank) && rank != "All")
{
avg = avg.Where(a => a.Rank == rank).ToList();
}
if (!string.IsNullOrWhiteSpace(role) && role != "All")
{
avg = avg.Where(a => a.Role == role).ToList();
}
return(avg.Select(a => a.ChampionId).Distinct().ToList());
}