User autocomplete for staff in django admin.

ECOM-7357

course_discovery/apps/course_metadata/lookups.py

@@ -73,11 +73,15 @@ class PersonAutocomplete(LoginRequiredMixin, autocomplete.Select2QuerySetView):
         return []
 
     def get_result_label(self, result):
-        context = {
-            'uuid': result.uuid,
-            'profile_image': result.get_profile_image_url,
-            'full_name': result.full_name,
-            'position': result.position if hasattr(result, 'position') else None
-        }
-
-        return render_to_string('publisher/_personLookup.html', context=context)
+        http_referer = self.request.META.get('HTTP_REFERER')
+        if http_referer and '/admin/' in http_referer:
+            return super(PersonAutocomplete, self).get_result_label(result)
+        else:
+            context = {
+                'uuid': result.uuid,
+                'profile_image': result.get_profile_image_url,
+                'full_name': result.full_name,
+                'position': result.position if hasattr(result, 'position') else None
+            }
+
+            return render_to_string('publisher/_personLookup.html', context=context)

course_discovery/apps/course_metadata/tests/test_lookups.py

@@ -232,3 +232,18 @@ class AutocompleteTests(TestCase):
             status_code=302,
             target_status_code=302
         )
+
+    def test_instructor_autocomplete_from_django_admin(self):
+        """ Verify instructor autocomplete return default data from django admin. """
+        admin_user = UserFactory(is_staff=True, is_superuser=True)
+        self.client.logout()
+        self.client.login(username=admin_user.username, password=USER_PASSWORD)
+
+        response = self.client.get(
+            reverse('admin_metadata:person-autocomplete') + '?q={q}'.format(q='ins'),
+            HTTP_REFERER=reverse('admin:publisher_courserun_add')
+        )
+        self.assertEqual(response.status_code, 200)
+        data = json.loads(response.content.decode('utf-8'))
+        expected_results = [{'id': instructor.id, 'text': str(instructor)} for instructor in self.instructors]
+        self.assertEqual(data.get('results'), expected_results)

course_discovery/apps/publisher/forms.py

@@ -396,6 +396,15 @@ class CourseRunAdminForm(forms.ModelForm):
     class Meta:
         model = CourseRun
         fields = '__all__'
+        widgets = {
+            'staff': autocomplete.ModelSelect2Multiple(
+                url='admin_metadata:person-autocomplete',
+                attrs={
+                    'data-minimum-input-length': 3,
+                    'data-html': 'false',
+                }
+            ),
+        }
 
     def clean_lms_course_id(self):
         lms_course_id = self.cleaned_data['lms_course_id']