fix(observation): dept_manager of assigned dept can now respond

Matches the complaint predicate. Previously a department manager could
respond to a complaint sent to their dept but not to an observation.

apps/observations/test_workflow_realignment.py

@@ -0,0 +1,69 @@
+"""Tests for the observation workflow realignment."""
+from django.contrib.auth.models import Group
+
+import pytest
+from django.test import TestCase
+from django.urls import reverse
+
+from apps.accounts.models import User
+from apps.organizations.models import Department, Hospital
+from apps.observations.models import Observation
+
+
+def _ensure_group(name):
+    """Get or create a role group (pytest runs with --nomigrations, so seeded
+    groups may not exist in the test DB)."""
+    grp, _ = Group.objects.get_or_create(name=name)
+    return grp
+
+
+@pytest.mark.django_db
+class TestObservationDepartmentResponsePermission(TestCase):
+    """A department manager of the assigned department can respond.
+
+    Uses self.client (full middleware incl. django.contrib.messages) — the
+    view calls messages.error() on the permission-denied path. The project's
+    root conftest.py disables ManifestStaticFilesStorage for all tests.
+    """
+
+    def setUp(self):
+        self.hospital = Hospital.objects.create(name="Test Hospital", code="TH02")
+        self.dept = Department.objects.create(name="Dept A", hospital=self.hospital, code="OA")
+        self.other_dept = Department.objects.create(name="Dept B", hospital=self.hospital, code="OB")
+
+        _ensure_group("Department Manager")
+        self.dept_manager = User.objects.create_user(
+            username="odmgr", email="odmgr@test", password="x", department=self.dept
+        )
+        self.dept_manager.groups.add(Group.objects.get(name="Department Manager"))
+
+        self.other_manager = User.objects.create_user(
+            username="oother", email="oo@test", password="x", department=self.other_dept
+        )
+        self.other_manager.groups.add(Group.objects.get(name="Department Manager"))
+
+        self.observation = Observation.objects.create(
+            description="Test observation description here",
+            hospital=self.hospital,
+            assigned_department=self.dept,
+            sent_to_department=True,
+            status="in_progress",
+        )
+
+    def test_dept_manager_of_assigned_dept_can_access_response_view(self):
+        """GET to observation_department_response succeeds (200) for dept manager of assigned dept."""
+        self.client.force_login(self.dept_manager)
+        response = self.client.get(
+            reverse("observations:observation_department_response", kwargs={"pk": self.observation.pk})
+        )
+        assert response.status_code == 200, \
+            f"dept_manager of assigned dept should be allowed, got {response.status_code}"
+
+    def test_dept_manager_of_other_dept_cannot_access(self):
+        """Dept manager of a non-assigned department is denied (302 redirect)."""
+        self.client.force_login(self.other_manager)
+        response = self.client.get(
+            reverse("observations:observation_department_response", kwargs={"pk": self.observation.pk})
+        )
+        assert response.status_code == 302, \
+            f"dept_manager of other dept should be redirected (denied), got {response.status_code}"

apps/observations/views.py

@@ -1628,6 +1628,7 @@ def observation_department_response(request, pk):
         or user.is_px_management()
         or user.is_px_employee()
         or (user.is_champion() and observation.assigned_department == user.department)
+        or (user.is_department_manager() and observation.assigned_department == user.department)
     ):
         messages.error(request, "You don't have permission to respond to this observation.")
         return redirect("observations:observation_detail", pk=pk)