public static SongTagUsage SongTagUsage(Song song, Tag tag, User vote = null) {
var usage = new SongTagUsage(song, tag);
song.Tags.Usages.Add(usage);
usage.CreateVote(vote);
return usage;
}
/// <summary>
/// Adds a tag to the song.
/// First checks if the tag has already been added.
/// </summary>
/// <param name="tag">Tag to be added. Cannot be null.</param>
/// <returns>The created tag usage. Can be null if the tag has already been added.</returns>
public virtual CollectionAddResult <SongTagUsage> AddTag(Tag tag)
{
ParamIs.NotNull(() => tag);
if (Tags.HasTag(tag))
{
return(CollectionAddResult.Create(Tags.GetTagUsage(tag), false));
}
var usage = new SongTagUsage(this, tag);
Tags.Usages.Add(usage);
return(CollectionAddResult.Create(usage, true));
}
public override TagUsage Move(Tag target)
{
ParamIs.NotNull(() => target);
if (target.Equals(Tag))
{
return(this);
}
// TODO: have to make a clone because of NH reparenting issues, see http://stackoverflow.com/questions/28114508/nhibernate-change-parent-deleted-object-would-be-re-saved-by-cascade
Tag.AllSongTagUsages.Remove(this);
Song.Tags.Usages.Remove(this);
var newUsage = new SongTagUsage(Song, target);
target.AllSongTagUsages.Add(newUsage);
Song.Tags.Usages.Add(newUsage);
return(newUsage);
}
public SongTagVote(SongTagUsage usage, User user)
: base(user)
{
Usage = usage;
}
public SongTagVote(SongTagUsage usage, User user)
: base(user)
{
Usage = usage;
}
public SongTagUsageContract(SongTagUsage tagUsage, ContentLanguagePreference languagePreference)
: base(tagUsage)
{
Song = new SongWithAdditionalNamesContract(tagUsage.Song, languagePreference);
}