Add Reservation Unit persons allowed filter

tests/test_graphql_api/test_reservation_unit/test_filtering.py

@@ -339,6 +339,25 @@ def test_reservation_unit__filter__by_min_persons_lte(graphql):
     assert response.node(2) == {"pk": reservation_unit_3.pk}
 
 
+def test_reservation_unit__filter__by_persons_allowed(graphql):
+    reservation_unit_1 = ReservationUnitFactory.create(min_persons=None, max_persons=None)
+    reservation_unit_2 = ReservationUnitFactory.create(min_persons=None, max_persons=201)
+    reservation_unit_3 = ReservationUnitFactory.create(min_persons=200, max_persons=None)
+    reservation_unit_4 = ReservationUnitFactory.create(min_persons=199, max_persons=200)
+    ReservationUnitFactory.create(min_persons=198, max_persons=199)  # Filtered out by max_persons
+    ReservationUnitFactory.create(min_persons=201, max_persons=None)  # Filtered out by min_persons
+
+    query = reservation_units_query(personsAllowed=200)
+    response = graphql(query)
+
+    assert response.has_errors is False, response.errors
+    assert len(response.edges) == 4
+    assert response.node(0) == {"pk": reservation_unit_1.pk}
+    assert response.node(1) == {"pk": reservation_unit_2.pk}
+    assert response.node(2) == {"pk": reservation_unit_3.pk}
+    assert response.node(3) == {"pk": reservation_unit_4.pk}
+
+
 def test_reservation_unit__filter__by_name_fi(graphql):
     reservation_unit = ReservationUnitFactory.create(name_fi="foo")
     ReservationUnitFactory.create(name_fi="bar")

tilavarauspalvelu/api/graphql/types/reservation_unit/filtersets.py

@@ -63,6 +63,7 @@ class ReservationUnitFilterSet(ModelFilterSet, ReservationUnitFilterSetMixin):
     min_persons_lte = django_filters.NumberFilter(field_name="min_persons", method="get_min_persons_lte")
     max_persons_gte = django_filters.NumberFilter(field_name="max_persons", method="get_max_persons_gte")
     max_persons_lte = django_filters.NumberFilter(field_name="max_persons", method="get_max_persons_lte")
+    persons_allowed = django_filters.NumberFilter(method="get_persons_allowed")
 
     text_search = django_filters.CharFilter(method="get_text_search")
 
@@ -171,6 +172,13 @@ def get_min_persons_gte(qs: ReservationUnitQuerySet, name: str, value: int) -> Q
     def get_min_persons_lte(qs: ReservationUnitQuerySet, name: str, value: int) -> QuerySet:
         return qs.filter(Q(min_persons__lte=value) | Q(min_persons__isnull=True))
 
+    @staticmethod
+    def get_persons_allowed(qs: ReservationUnitQuerySet, name: str, value: int) -> QuerySet:
+        return qs.filter(
+            Q(Q(min_persons__lte=value) | Q(min_persons__isnull=True))
+            & Q(Q(max_persons__gte=value) | Q(max_persons__isnull=True))
+        )
+
     @staticmethod
     def get_is_visible(qs: ReservationUnitQuerySet, name: str, value: bool) -> QuerySet:
         return qs.visible() if value else qs.hidden()