public void ForAdviseSet_ForExplicitAdviseSet_FillsTitleCorrectly()
{
// Arrange
var adviseSet = new AdviseSetModel {
Id = new ItemId("Advise Set Id"), Name = "Some Advise Set"
};
var disc1 = new DiscModel {
Id = new ItemId("1"), AdviseSetInfo = new AdviseSetInfo(adviseSet, 1), Title = "Disc 1"
};
var disc2 = new DiscModel {
Id = new ItemId("2"), AdviseSetInfo = new AdviseSetInfo(adviseSet, 2), Title = "Disc 2"
};
var folder = new FolderModel {
Name = "Some Artist"
};
folder.AddDiscs(disc1, disc2);
var adviseSetContent = new AdviseSetContent("AdviseSetContent Id");
adviseSetContent.AddDisc(disc1);
adviseSetContent.AddDisc(disc2);
// Act
var target = AdvisedPlaylist.ForAdviseSet(adviseSetContent);
// Assert
target.Title.Should().Be("Some Advise Set");
}
public static AdviseSetContent ToAdviseSet(this DiscModel disc)
{
var adviseSet = new AdviseSetContent($"Disc: {disc.Id}");
adviseSet.AddDisc(disc);
return(adviseSet);
}
public int GetPlaybacksPassed(AdviseSetContent adviseSetContent)
{
if (adviseSetsPlaybacksInfo.TryGetValue(adviseSetContent.Id, out var playbacksPassed))
{
return(playbacksPassed);
}
throw new InvalidOperationException($"The number of passed playbacks for advise set '{adviseSetContent.Id}' is unknown");
}
public double CalculateAdviseSetRank(AdviseSetContent adviseSet, PlaybacksInfo playbacksInfo)
{
if (adviseSet.LastPlaybackTime == null)
{
return(MaxRank);
}
var playbacksPassed = playbacksInfo.GetPlaybacksPassed(adviseSet);
return(GetFactorForAverageRating(GetRating(adviseSet)) * GetFactorForPlaybackAge(playbacksPassed));
}
public static AdviseGroupContent ToAdviseGroup(this AdviseSetContent adviseSetContent)
{
var adviseGroup = new AdviseGroupContent(adviseSetContent.Id, isFavorite: false);
foreach (var disc in adviseSetContent.Discs)
{
adviseGroup.AddDisc(disc);
}
return(adviseGroup);
}
private static double GetRating(AdviseSetContent adviseSetContent)
{
// Below check was added just in case.
// It should not happen that advise set contains both active and deleted discs.
// If all discs in advise set are deleted, then the whole advise set is considered as deleted and should be filtered by the caller.
if (adviseSetContent.Discs.Any(x => x.IsDeleted))
{
throw new InvalidOperationException("Advise set contains both active and deleted discs");
}
return(adviseSetContent.Discs
.Select(x => x.GetRating())
.Average());
}
public void ForAdviseSet_IfAdviseSetContainsMultipleDiscs_OrdersPlaylistSongsCorrectly()
{
// Arrange
var adviseSet = new AdviseSetModel {
Id = new ItemId("Advise Set Id"), Name = "Some Advise Set"
};
var disc1 = new DiscModel
{
Id = new ItemId("1"),
TreeTitle = "Disc 1",
AdviseSetInfo = new AdviseSetInfo(adviseSet, 2),
};
var song11 = new SongModel {
Id = new ItemId("Song 1.1")
};
var song12 = new SongModel {
Id = new ItemId("Song 1.2")
};
disc1.AddSongs(song11, song12);
var disc2 = new DiscModel
{
Id = new ItemId("2"),
TreeTitle = "Disc 2",
AdviseSetInfo = new AdviseSetInfo(adviseSet, 1),
};
var song2 = new SongModel {
Id = new ItemId("Song 2.1")
};
disc2.AddSongs(song2);
var disc3 = new DiscModel
{
Id = new ItemId("3"),
TreeTitle = "Disc 3",
AdviseSetInfo = new AdviseSetInfo(adviseSet, 3),
};
var song3 = new SongModel {
Id = new ItemId("Song 3.1")
};
disc3.AddSongs(song3);
var adviseSetContent = new AdviseSetContent("AdviseSetContent Id");
adviseSetContent.AddDisc(disc1);
adviseSetContent.AddDisc(disc2);
adviseSetContent.AddDisc(disc3);
// Act
var target = AdvisedPlaylist.ForAdviseSet(adviseSetContent);
// Assert
var expectedSongs = new[]
{
song2,
song11,
song12,
song3,
};
target.Songs.Should().BeEquivalentTo(expectedSongs, x => x.WithStrictOrdering());
}
