fix: fix organizations view queryset and add API tests

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

offer_backend/apps/organizations/serializers.py

@@ -18,5 +18,5 @@ class OrganizationTreeSerializer(serializers.ModelSerializer):
 
     def get_children(self, obj):
         return OrganizationSerializer(
-            obj.children.filter(is_active=True), many=True
+            obj.children.filter(is_active=True), many=True, context=self.context
         ).data

offer_backend/apps/organizations/tests/test_organizations.py

@@ -21,3 +21,61 @@ class TestOrganizationModel:
         Organization.objects.create(name='子A', email='a@example.com', parent=parent)
         Organization.objects.create(name='子B', email='b@example.com', parent=parent)
         assert parent.children.count() == 2
+
+
+@pytest.mark.django_db
+class TestOrganizationPublicAPI:
+    def test_public_list_returns_top_level_orgs(self, client):
+        parent = Organization.objects.create(name='集团', email='g@example.com')
+        Organization.objects.create(name='子A', email='a@example.com', parent=parent)
+        response = client.get('/api/organizations/public/')
+        assert response.status_code == 200
+        # 只返回顶级组织（集团），不直接返回子公司
+        assert response.data['count'] == 1
+        assert response.data['results'][0]['name'] == '集团'
+
+    def test_inactive_org_not_in_public_list(self, client):
+        Organization.objects.create(name='停用集团', email='inactive@example.com', is_active=False)
+        Organization.objects.create(name='启用集团', email='active@example.com', is_active=True)
+        response = client.get('/api/organizations/public/')
+        assert response.status_code == 200
+        assert response.data['count'] == 1
+
+    def test_manage_requires_auth(self, client):
+        response = client.get('/api/organizations/manage/')
+        assert response.status_code == 401
+
+
+@pytest.mark.django_db
+class TestOrganizationManageAPI:
+    def test_superadmin_can_create_org(self, client):
+        from django.contrib.auth import get_user_model
+        from rest_framework_simplejwt.tokens import RefreshToken
+        User = get_user_model()
+        superadmin = User.objects.create_user(
+            username='super1', password='pass123', role='superadmin'
+        )
+        refresh = RefreshToken.for_user(superadmin)
+        token = str(refresh.access_token)
+        response = client.post(
+            '/api/organizations/manage/',
+            {'name': '新集团', 'email': 'new@example.com'},
+            content_type='application/json',
+            HTTP_AUTHORIZATION=f'Bearer {token}'
+        )
+        assert response.status_code == 201
+
+    def test_seeker_cannot_access_manage(self, client):
+        from django.contrib.auth import get_user_model
+        from rest_framework_simplejwt.tokens import RefreshToken
+        User = get_user_model()
+        seeker = User.objects.create_user(
+            username='seeker1', password='pass123', role='seeker'
+        )
+        refresh = RefreshToken.for_user(seeker)
+        token = str(refresh.access_token)
+        response = client.get(
+            '/api/organizations/manage/',
+            HTTP_AUTHORIZATION=f'Bearer {token}'
+        )
+        assert response.status_code == 403

offer_backend/apps/organizations/views.py

@@ -6,9 +6,9 @@ from apps.accounts.permissions import IsSuperAdmin
 
 
 class OrganizationPublicViewSet(viewsets.ReadOnlyModelViewSet):
-    """公开只读：门户展示用"""
-    queryset = Organization.objects.filter(is_active=True, parent__isnull=False)
-    serializer_class = OrganizationSerializer
+    """公开只读：门户展示用，返回顶级组织（集团）及其子公司树"""
+    queryset = Organization.objects.filter(is_active=True, parent__isnull=True)
+    serializer_class = OrganizationTreeSerializer
     permission_classes = [AllowAny]