private static void GroupByKeysSample()
{
List <Gamer> gamersList = GamerHelper.GetSampleGamers();
var gamersGroup = gamersList
.GroupBy(item => new { item.TeamName, item.Gender })
.OrderBy(item => item.Key.TeamName)
.ThenBy(item => item.Key.Gender).Select(item => new
{
TeamName = item.Key.TeamName,
Gender = item.Key.Gender,
Gamers = item //item.OrderBy(g => g.Name)
});
foreach (var gamers in gamersGroup)
{
Console.WriteLine($"TeamName: {gamers.TeamName}, Gender: {gamers.Gender}\r\n" +
$"Count: {gamers.Gamers.Count()}, MaxScore: {gamers.Gamers.Max(item => item.Score)}, " +
$"MinScore: {gamers.Gamers.Min(item => item.Score)}, " +
$"AverageScore: {gamers.Gamers.Average(item => item.Score)}, " +
$"SumScore: {gamers.Gamers.Sum(item => item.Score)}");
foreach (Gamer gamer in gamers.Gamers)
{
Console.WriteLine(gamer);
}
}
}
private static void GroupBySample()
{
List <Gamer> gamersList = GamerHelper.GetSampleGamers();
IEnumerable <IGrouping <string, Gamer> > gamerGroupEnumerable = gamersList.GroupBy(item => item.TeamName);
foreach (IGrouping <string, Gamer> gamers in gamerGroupEnumerable)
{
Console.WriteLine($"" +
$"teamNAme: {gamers.Key}\r\n count: {gamers.Count()}, maxScore: {gamers.Max(item => item.Score)}, " +
$"minScore: {gamers.Min(item => item.Score)}, sumScore: {gamers.Sum(item => item.Score)}, " +
$"AverageScore: {gamers.Average(item => item.Score)}");
foreach (Gamer gamer in gamers)
{
Console.WriteLine(gamer);
}
}
}
