TeamMentor.CoreLib.TM_Xml_Database_ExtensionMethods_GuiHelpers.getGuidanceItemsIds_NotInViews C# (CSharp) Method

        public static List<Guid> getGuidanceItemsIds_NotInViews(this TM_WebServices tmWebServices, Guid libraryId)
        {
            var guidanceInViews = (from view in tmWebServices.GetViews()
                                   where view.libraryId == libraryId
                                   from guidanceItem in view.guidanceItems
                                   select guidanceItem).Distinct().toList();

            var guidanceItemsIdsNotInViews = (from guidanceItem in tmWebServices.GetGuidanceItemsInLibrary(libraryId)
                                            where guidanceInViews.contains(guidanceItem.Metadata.Id).isFalse()
                                            select guidanceItem.Metadata.Id).toList();
            return guidanceItemsIdsNotInViews;
        }