public ActionResult WithoutWebinar()
{
var webinarCourseTCs = PriceService.CourseWithWebinar();
var ppCourseTCs = new HashSet <string>(PriceService.GetAllCurrent()
.Where(x => x.PriceType_TC == PriceTypes.PrivatePersonWeekend).Select(x => x.Course_TC).Distinct());
var courses = CourseService.AllCoursesForList().Where(x => !x.IsTrackBool &&
ppCourseTCs.Contains(x.Course_TC) && !webinarCourseTCs.Contains(x.Course_TC))
.OrderBy(x => x.GetName())
.ToList();
var sectionCourses = GroupVMService.GetSectionCourses(courses);
return(View(CommonVM.New(sectionCourses, "Курсы, не читаемые в режиме вебинар")));
}
