public IList <AlbumEntity> GetFilteredAlbums(IEntityFiltrator <AlbumEntity> filtrator)
{
IList <AlbumEntity> albumEntities = new List <AlbumEntity>();
foreach (var albumEntity in GetAll())
{
if (filtrator.Filter(albumEntity))
{
albumEntities.Add(albumEntity);
}
}
return(albumEntities);
}
public IList <SongEntity> GetFilteredContainerItemsFromAlbums(IList <AlbumEntity> albums, IEntityFiltrator <SongEntity> filtrator)
{
IList <SongEntity> containerItems = new List <SongEntity>();
foreach (var albumEntity in albums)
{
foreach (var containerItem in GetAlbumItems(albumEntity))
{
if (filtrator.Filter(containerItem))
{
containerItems.Add(containerItem);
}
}
}
return(containerItems);
}