allow platform admins to approve their own messages

makes development a lot easier. we should remove this when we go live

app/broadcast_message/rest.py

@@ -41,8 +41,15 @@ def _update_broadcast_message(broadcast_message, new_status, updating_user):
     # TODO: Restrict status transitions
     # TODO: validate that the user belongs to the same service, isn't the creator, has permissions, etc
     if new_status == BroadcastStatusType.BROADCASTING:
-        broadcast_message.approved_at = datetime.utcnow()
-        broadcast_message.approved_by = updating_user
+        # TODO: Remove this platform admin shortcut when the feature goes live
+        if updating_user == broadcast_message.created_by and not updating_user.platform_admin:
+            abort(
+                400,
+                f'User {updating_user.id} cannot approve their own broadcast {broadcast_message.id}'
+            )
+        else:
+            broadcast_message.approved_at = datetime.utcnow()
+            broadcast_message.approved_by = updating_user
 
     if new_status == BroadcastStatusType.CANCELLED:
         broadcast_message.cancelled_at = datetime.utcnow()

tests/app/broadcast_message/test_rest.py

@@ -326,3 +326,30 @@ def test_update_broadcast_message_status_rejects_approval_from_creator(
 
     assert mock_task.called is False
     assert f'cannot approve their own broadcast' in response['message']
+
+
+def test_update_broadcast_message_status_allows_platform_admin_to_approve_own_message(
+    notify_db,
+    admin_request,
+    sample_service,
+    mocker
+):
+    user = sample_service.created_by
+    user.platform_admin = True
+    t = create_template(sample_service, BROADCAST_TYPE)
+    bm = create_broadcast_message(t, status=BroadcastStatusType.PENDING_APPROVAL)
+    mock_task = mocker.patch('app.celery.broadcast_message_tasks.send_broadcast_message.apply_async')
+
+    response = admin_request.post(
+        'broadcast_message.update_broadcast_message_status',
+        _data={'status': BroadcastStatusType.BROADCASTING, 'created_by': str(user.id)},
+        service_id=t.service_id,
+        broadcast_message_id=bm.id,
+        _expected_status=200
+    )
+
+    assert response['status'] == BroadcastStatusType.BROADCASTING
+    assert response['approved_at'] is not None
+    assert response['created_by_id'] == str(user.id)
+    assert response['approved_by_id'] == str(user.id)
+    mock_task.assert_called_once_with(kwargs={'broadcast_message_id': str(bm.id)}, queue='notify-internal-tasks')