/// <summary>
/// Creates a book set containing books in verses
/// </summary>
public static BookSet CreateBookSetFromRefs(IEnumerable <VerseRef> verseRefs)
{
BookSet books = new BookSet();
foreach (var verseRef in verseRefs)
{
books.Add(verseRef.BookNum);
}
return(books);
}
/// <summary>
/// Intersects two book sets
/// </summary>
/// <param name="other"></param>
/// <returns>books that are present in both</returns>
public BookSet Intersect(BookSet other)
{
BookSet bookSet = new BookSet();
foreach (int bookNum in other.SelectedBookNumbers)
{
if (IsSelected(bookNum))
{
bookSet.Add(bookNum);
}
}
return(bookSet);
}
