public bool DeleteLibrary(Guid libraryId)
{
editArticles.demand();
resetCache();
if (GetLibraryById(libraryId).isNull())
return false;
var libraryToDelete = new Library { id = libraryId.str(), delete = true };
UpdateLibrary(libraryToDelete);
var libraryDeleted = GetLibraryById(libraryId);
return libraryDeleted.isNull();// || libraryDeleted.delete;
}