public static IAlbumTimeStatistic GetAlbumTimeStatistics()
{
var albums = Logic.Factory.GetAllAlbums();
var tracks = Logic.Factory.GetALlTracks();
var lengthList = albums.Join(tracks,
album => album.Id,
tracks => tracks.AlbumId,
(albums, tracks) => new { Albums = albums, Tracks = tracks }
)
.GroupBy(elm => elm.Albums)
.Select(group => new { Album = group.Key, TotalTime = group.Sum(elm => elm.Tracks.Milliseconds) })
.OrderBy(elm => elm.TotalTime);
var result = new Marketing.Models.AlbumTimeStatistic
{
Longest = lengthList.Last().Album,
LongestTime = lengthList.Last().TotalTime,
Shortest = lengthList.First().Album,
ShortestTime = lengthList.First().TotalTime,
Avg = (float)lengthList.Average(elm => elm.TotalTime)
};
return(result);
}
public static Contracts.Report.Marketing.IAlbumTimeStatistic GetAlbumTimeStatistic()
{
var tracks = Logic.Factory.GetAllTracks();
var albums = Logic.Factory.GetAllAlbums();
var result = new Marketing.Models.AlbumTimeStatistic();
var query = (from t in tracks
join a in albums on t.AlbumId equals a.Id
group t.Milliseconds by a.Title)
.Select(i => (i.Key, i.Sum()));
result.maxName = query.OrderBy(a => a.Item2).Last().Key;
result.maxNumber = query.OrderBy(a => a.Item2).Last().Item2.ToString();
result.minName = query.OrderBy(a => a.Item2).First().Key;
result.minNumber = query.OrderBy(a => a.Item2).First().Item2.ToString();
result.avgNumber = Math.Round(query.Average(a => a.Item2) / 1000).ToString();
return(result);
}
