Add PR edited, assigned and unassigned to github webhook integration.

zerver/webhooks/github_webhook/view.py

@@ -1,7 +1,7 @@
 from __future__ import absolute_import
 import re
 from functools import partial
-from typing import Any, Callable, Text
+from typing import Any, Callable, Text, Dict
 from django.http import HttpRequest, HttpResponse
 from zerver.lib.actions import check_send_message
 from zerver.lib.response import json_success
@@ -36,6 +36,20 @@ def get_opened_or_update_pull_request_body(payload):
         assignee=assignee
     )
 
+def get_assigned_or_unassigned_pull_request_body(payload):
+    # type: (Dict[str, Any]) -> Text
+    pull_request = payload['pull_request']
+    assignee = pull_request.get('assignee', {}).get('login')
+
+    base_message = get_pull_request_event_message(
+        get_sender_name(payload),
+        payload['action'],
+        pull_request['html_url'],
+    )
+    if assignee:
+        return "{} to {}".format(base_message, assignee)
+    return base_message
+
 def get_closed_pull_request_body(payload):
     # type: (Dict[str, Any]) -> Text
     pull_request = payload['pull_request']
@@ -350,6 +364,7 @@ EVENT_FUNCTION_MAPPER = {
     'member': get_member_body,
     'membership': get_membership_body,
     'opened_or_update_pull_request': get_opened_or_update_pull_request_body,
+    'assigned_or_unassigned_pull_request': get_assigned_or_unassigned_pull_request_body,
     'page_build': get_page_build_body,
     'public': get_public_body,
     'pull_request_review': get_pull_request_review_body,
@@ -380,8 +395,10 @@ def get_event(request, payload):
     event = request.META['HTTP_X_GITHUB_EVENT']
     if event == 'pull_request':
         action = payload['action']
-        if action == 'opened' or action == 'synchronize' or action == 'reopened':
+        if action in ('opened', 'synchronize', 'reopened', 'edited'):
             return 'opened_or_update_pull_request'
+        if action in ('assigned', 'unassigned'):
+            return 'assigned_or_unassigned_pull_request'
         if action == 'closed':
             return 'closed_pull_request'
         raise UnknownEventType(u'Event pull_request with {} action is unsupported'.format(action))