Notify IWA team of features in IWA category. (#3548)

* Notify IWA team of features in IWA category.

* Fix mock import

internals/notifier.py

@@ -140,6 +140,10 @@ def convert_reasons_to_task(
 WEBVIEW_RULE_REASON = (
     'This feature has an android milestone, but not a webview milestone')
 WEBVIEW_RULE_ADDRS = ['webview-leads-external@google.com']
+IWA_RULE_REASON = (
+    'You are subscribed to all IWA features')
+IWA_RULE_ADDRS = ['iwa-dev@chromium.org']
+
 
 
 def apply_subscription_rules(
@@ -150,6 +154,10 @@ def apply_subscription_rules(
   changed_field_names = {c['prop_name'] for c in changes}
   results: dict[str, list[str]] = {}
 
+  # Rule 1: Check for IWA features
+  if fe.category == core_enums.IWA:
+    results[IWA_RULE_REASON] = IWA_RULE_ADDRS
+
   # Find an existing shipping stage with milestone info.
   fe_stages = stage_helpers.get_feature_stages(fe.key.integer_id())
   stage_type = core_enums.STAGE_TYPES_SHIPPING[fe.feature_type] or 0
@@ -157,7 +165,7 @@ def apply_subscription_rules(
   ship_milestones: MilestoneSet | None = (
       ship_stages[0].milestones if len(ship_stages) > 0 else None)
 
-  # Check if feature has some other milestone set, but not webview.
+  # Rule 2: Check if feature has some other milestone set, but not webview.
   if (ship_milestones is not None and
       ship_milestones.android_first and
       not ship_milestones.webview_first):

internals/notifier_helpers.py

@@ -39,8 +39,9 @@ def _get_changes_as_amendments(
           old_value=str(old_val), new_value=str(new_val)))
   return amendments
 
-def notify_feature_subscribers_of_changes(fe: 'FeatureEntry',
-    amendments: list[Amendment]) -> None:
+def notify_feature_subscribers_of_changes(
+    fe: 'FeatureEntry', amendments: list[Amendment],
+    is_update: bool=True) -> None:
   """Async notifies subscribers of new features and property changes to
       features by posting to a task queue.
   """
@@ -54,16 +55,16 @@ def notify_feature_subscribers_of_changes(fe: 'FeatureEntry',
 
   params = {
     'changes': changed_props,
-    # Subscribers are only notified on feature update.
-    'is_update': True,
+    'is_update': is_update,
     'feature': converters.feature_entry_to_json_verbose(fe)
   }
 
   # Create task to email subscribers.
   cloud_tasks_helpers.enqueue_task('/tasks/email-subscribers', params)
 
-def notify_subscribers_and_save_amendments(fe: 'FeatureEntry',
-    changed_fields: CHANGED_FIELDS_LIST_TYPE, notify: bool=True) -> None:
+def notify_subscribers_and_save_amendments(
+    fe: 'FeatureEntry', changed_fields: CHANGED_FIELDS_LIST_TYPE,
+    notify: bool=True, is_update: bool=True) -> None:
   """Notify subscribers of changes to FeatureEntry and save amendments."""
   amendments = _get_changes_as_amendments(changed_fields)
 
@@ -76,7 +77,7 @@ def notify_subscribers_and_save_amendments(fe: 'FeatureEntry',
     activity.put()
 
   if notify:
-    notify_feature_subscribers_of_changes(fe, amendments)
+    notify_feature_subscribers_of_changes(fe, amendments, is_update=is_update)
 
 
 def notify_approvers_of_reviews(

internals/notifier_test.py

@@ -231,6 +231,18 @@ class EmailFormattingTest(testing_config.CustomTestCase):
     self.assertEqual('subject', actual['subject'])
     self.assertEqual('triggerer@example.com', actual['reply_to'])
 
+  def test_apply_subscription_rules__iwa_match(self):
+    """When a feature has category IWA rule, a reason is returned."""
+    self.fe_1.category = core_enums.IWA
+    changes = [{'prop_name': 'shipped_android_milestone'}]  # Anything
+
+    actual = notifier.apply_subscription_rules(
+        self.fe_1, changes)
+
+    self.assertEqual(
+        {notifier.IWA_RULE_REASON: notifier.IWA_RULE_ADDRS},
+        actual)
+
   def test_apply_subscription_rules__relevant_match(self):
     """When a feature and change match a rule, a reason is returned."""
     self.ship_stage.milestones.android_first = 88

pages/guide.py

@@ -83,6 +83,9 @@ class FeatureCreateHandler(basehandlers.FlaskHandler):
     # Write each Stage and Gate entity for the given feature.
     self.write_gates_and_stages_for_feature(key.integer_id(), feature_type)
 
+    notifier_helpers.notify_subscribers_and_save_amendments(
+        feature_entry, [], is_update=False)
+
     # Remove all feature-related cache.
     rediscache.delete_keys_with_prefix(FeatureEntry.feature_cache_prefix())
 

pages/guide_test.py

@@ -15,6 +15,7 @@
 import testing_config  # Must be imported before the module under test.
 
 import flask
+from unittest import mock
 import werkzeug
 from google.cloud import ndb  # type: ignore
 
@@ -68,7 +69,8 @@ class FeatureCreateTest(testing_config.CustomTestCase):
       with self.assertRaises(werkzeug.exceptions.Forbidden):
         self.handler.post()
 
-  def test_post__normal_valid(self):
+  @mock.patch('internals.notifier_helpers.notify_subscribers_and_save_amendments')
+  def test_post__normal_valid(self, mock_notify):
     """Allowed user can create a feature."""
     testing_config.sign_in('user1@google.com', 1234567890)
     with test_app.test_request_context(
@@ -100,6 +102,9 @@ class FeatureCreateTest(testing_config.CustomTestCase):
     self.assertEqual(len(stages), 6)
     self.assertEqual(len(gates), 11)
 
+    # Ensure notifications are sent.
+    mock_notify.assert_called_once()
+
 
 class FeatureEditHandlerTest(testing_config.CustomTestCase):