public static QueryOver<Partner, Partner> ApplyFilterByPartnerType(this QueryOver<Partner, Partner> query,
            string[] partnerTypes)
        {
            if (partnerTypes == null || partnerTypes.Length == 0)
            {
                // не указали желаемый тип к/а, вернем пустое множество
                return query.Where(x => x.Id != x.Id); //!!!
            }

      //в целях оптимизации, если нужны все типы контрагентов

      if (partnerTypes.Contains("COMPANY", StringComparer.InvariantCultureIgnoreCase)
        && partnerTypes.Contains("BRANCH", StringComparer.InvariantCultureIgnoreCase)
        && partnerTypes.Contains("PERSON", StringComparer.InvariantCultureIgnoreCase))
      {
        return query; //!!!
      }

      var disjunction = Restrictions.Disjunction();
            if (partnerTypes.Contains("COMPANY", StringComparer.InvariantCultureIgnoreCase))
            {
                var restriction = Restrictions.Where<Partner>(x => x.GetType() == typeof(Company));
                restriction = Restrictions.And(restriction, Restrictions.On<Company>(x => x.HeadCompany).IsNull);
                disjunction.Add(restriction);
            }

            if (partnerTypes.Contains("BRANCH", StringComparer.InvariantCultureIgnoreCase))
            {
                var restriction = Restrictions.Where<Partner>(x => x.GetType() == typeof(Company));
                restriction = Restrictions.And(restriction, Restrictions.On<Company>(x => x.HeadCompany).IsNotNull);
                disjunction.Add(restriction);
            }

            if (partnerTypes.Contains("PERSON", StringComparer.InvariantCultureIgnoreCase))
            {
                var restriction = Restrictions.Where<Partner>(x => x.GetType() == typeof(PersonPartner));
                disjunction.Add(restriction);
            }

            return query.Where(disjunction);
        }

return Ok(partners.ToPagedList<PartnerListItemDto>());
    }

vm.filteredPartners = ["COMPANY", "BRANCH", "PERSON"];
vm.properties = [
      { title: "Юр. лицо", value: PartnersTypeConstants.Properties.COMPANY, isSelected: false },
      { title: "Обособленное подразделение", value: PartnersTypeConstants.Properties.BRANCH, isSelected: false },
          { title: "Физ. лицо", value: PartnersTypeConstants.Properties.PERSON, isSelected: false }
        ];

        vm.selectedValue = [];

    function setPropertyShortName(propertySelection) {
      //vm.selectedValue = !propertySelection.isSelected ? propertySelection.value : undefined;
          for (var i = 0; i < vm.properties.length; i++) {
        if (vm.properties[i].value === vm.filteredPartners.value) {
          vm.properties[i].isSelected = propertySelection.isSelected;


              continue;
            }

            vm.properties[i].isSelected = false;
      }

          search(true);
        }