Add exclude_flags parameter to case search view

api/cases/managers.py

@@ -123,17 +123,24 @@ def without_control_list_entries(self, control_list_entries):
     def without_regime_entries(self, regime_entries):
         return self.exclude(baseapplication__goods__regime_entries__id__in=regime_entries)
 
-    def with_flags(self, flags):
+    def _get_case_ids_with_any_flags(self, flags):
         case_flag_ids = self.filter(flags__id__in=flags).values_list("id", flat=True)
         org_flag_ids = self.filter(organisation__flags__id__in=flags).values_list("id", flat=True)
         goods_flag_ids = self.filter(baseapplication__goods__good__flags__id__in=flags).values_list("id", flat=True)
         parties_flag_ids = self.filter(baseapplication__parties__party__flags__id__in=flags).values_list(
             "id", flat=True
         )
 
-        case_ids = set(list(case_flag_ids) + list(org_flag_ids) + list(goods_flag_ids) + list(parties_flag_ids))
+        return set(list(case_flag_ids) + list(org_flag_ids) + list(goods_flag_ids) + list(parties_flag_ids))
+
+    def with_flags(self, flags):
+        case_ids = self._get_case_ids_with_any_flags(flags)
         return self.filter(id__in=case_ids)
 
+    def without_flags(self, flags):
+        case_ids = self._get_case_ids_with_any_flags(flags)
+        return self.exclude(id__in=case_ids)
+
     def with_country(self, country_id):
         return self.filter(Q(baseapplication__parties__party__country_id=country_id))
 
@@ -267,6 +274,7 @@ def search(  # noqa
         exclude_regime_entry=None,
         regime_entry=None,
         flags=None,
+        exclude_flags=None,
         country=None,
         countries=None,
         team_advice_type=None,
@@ -402,6 +410,9 @@ def search(  # noqa
         if flags:
             case_qs = case_qs.with_flags(flags)
 
+        if exclude_flags:
+            case_qs = case_qs.without_flags(exclude_flags)
+
         if country:
             case_qs = case_qs.with_country(country)
 

api/cases/tests/test_case_search.py

@@ -34,8 +34,6 @@
 from api.users.enums import UserStatuses
 from api.users.models import GovUser
 from api.cases.tests import factories
-from api.cases.enums import AdviceType
-from api.staticdata.statuses.enums import CaseStatusEnum
 from api.teams.models import Team
 from api.cases.views.search.service import (
     get_case_status_list,
@@ -553,6 +551,57 @@ def test_filter_cases_by_flags(self, flag_id, flags_key):
         for case in response_data["cases"]:
             self.assertIn(flag_id, [item["id"] for item in case[flags_key]])
 
+    def test_filter_cases_exclude_flags_case_level(self):
+        # set required flags
+        application = self.application_cases[0]
+        case = Case.objects.get(id=application.id)
+        flag_id = FlagsEnum.GOODS_NOT_LISTED
+        flag = Flag.objects.get(id=flag_id)
+        case.flags.add(flag)
+
+        url = f"{self.url}?exclude_flags={flag_id}"
+
+        response = self.client.get(url, **self.gov_headers)
+        response_data = response.json()["results"]
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        for search_result_case in response_data["cases"]:
+            self.assertNotEqual(search_result_case["id"], str(case.id))
+
+    def test_filter_cases_exclude_flags_good_level(self):
+        # set required flags
+        application = self.application_cases[0]
+        good = application.goods.all()[0].good
+        flag_id = FlagsEnum.WASSENAAR
+        flag = Flag.objects.get(id=flag_id)
+        good.flags.add(flag)
+
+        url = f"{self.url}?exclude_flags={flag_id}"
+
+        response = self.client.get(url, **self.gov_headers)
+        response_data = response.json()["results"]
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        for search_result_case in response_data["cases"]:
+            self.assertNotEqual(search_result_case["id"], str(application.id))
+
+    def test_filter_cases_exclude_flags_destination_level(self):
+        # set required flags
+        application = self.application_cases[0]
+        destination = application.parties.all()[0].party
+        flag_id = FlagsEnum.MOD_DI_COUNTRY_OF_INTEREST
+        flag = Flag.objects.get(id=flag_id)
+        destination.flags.add(flag)
+
+        url = f"{self.url}?exclude_flags={flag_id}"
+
+        response = self.client.get(url, **self.gov_headers)
+        response_data = response.json()["results"]
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        for search_result_case in response_data["cases"]:
+            self.assertNotEqual(search_result_case["id"], str(application.id))
+
     @parameterized.expand(["permanent", "temporary"])
     def test_get_cases_filter_by_export_type(self, export_type):
         expected_id = str(self.application_cases[0].id)

api/cases/views/search/views.py

@@ -129,7 +129,11 @@ def get_case_queryset(self, user, queue_id, is_work_queue, include_hidden, filte
         )
 
     def get_filters(self, request):
-        filters = {key: value for key, value in request.GET.items() if key not in ["hidden", "queue_id", "flags"]}
+        filters = {
+            key: value
+            for key, value in request.GET.items()
+            if key not in ["hidden", "queue_id", "flags", "exclude_flags"]
+        }
 
         search_tabs = ("my_cases", "open_queries")
         selected_tab = request.GET.get("selected_tab")
@@ -143,6 +147,7 @@ def get_filters(self, request):
                 del filters["max_total_value"]
 
         filters["flags"] = request.GET.getlist("flags", [])
+        filters["exclude_flags"] = request.GET.getlist("exclude_flags", [])
         filters["regime_entry"] = [regime for regime in request.GET.getlist("regime_entry", []) if regime]
         filters["exclude_regime_entry"] = request.GET.get("exclude_regime_entry", False)
         filters["control_list_entry"] = [cle for cle in request.GET.getlist("control_list_entry", []) if cle]