/// <summary> Sorts list of book by chosen tag.</summary>
/// <param name="tag"> Tag to sort by. </param>
/// <returns> Sorted list of book by tag.</returns>
public List <Book> SortBooksByTag(Sorts.ISortable tag)
{
if (tag == null)
{
throw new ArgumentNullException("Tag can't be null!");
}
return(tag.SortBooksByTag(BookList).ToList());
}
/// <summary> Sorts list of book by chosen tag.</summary>
/// <param name="tag"> Tag to sort by. </param>
/// <returns> Sorted list of book by tag.</returns>
public List <Book> SortBooksByTag(Sorts.ISortable tag)
{
if (tag == null)
{
logger.Error("Sort tag can't be null!");
throw new ArgumentNullException("Tag can't be null!");
}
logger.Debug("Sorting by tag");
return(tag.SortBooksByTag(BookList).ToList());
}
