Add a first pass at Redmine integration.

The integration supports events generated by creating and editing
issues.

(imported from commit 1988013d7a18df173623c0821e807fd4f42af3bc)

zerver/views/webhooks.py

@@ -440,6 +440,45 @@ def api_newrelic_webhook(request, alert=REQ(converter=json_to_dict, default=None
     check_send_message(user_profile, get_client("API"), "stream", [stream], subject, content)
     return json_success()
 
+@authenticated_api_view
+@has_request_variables
+def api_redmine_webhook(request, user_profile,
+                        payload=REQ(converter=json_to_dict), stream=REQ):
+
+    subject = payload["project"]
+
+    if payload["type"] == "new":
+        # Opening a new ticket.
+        content = """%s opened [issue %d: %s](%s) in %s
+
+~~~ quote
+%s
+~~~
+
+**Priority**: %s
+**Status**: %s
+**Assigned to**: %s
+""" % (
+        payload["author"], payload["issue_id"], payload["issue_subject"],
+        payload["url"], payload["project"], payload["issue_description"],
+        payload["priority"], payload["status"], payload["assignee"])
+    elif payload["type"] == "edit":
+        # Editing an existing ticket.
+        content = """%s updated [issue %d: %s](%s) in %s
+
+~~~ quote
+%s
+~~~""" % (
+        payload["author"], payload["issue_id"], payload["issue_subject"],
+        payload["url"], payload["project"], payload["notes"])
+    else:
+        return json_error("Unknown issue update type.")
+
+    check_send_message(user_profile, get_client("API"), "stream",
+                       [stream], subject, content)
+    return json_success()
+
+
 @authenticated_rest_api_view
 @has_request_variables
 def api_bitbucket_webhook(request, user_profile, payload=REQ(converter=json_to_dict),

zproject/urls.py

@@ -149,6 +149,7 @@ urlpatterns += patterns('zerver.views',
     url(r'^api/v1/external/newrelic$',      'webhooks.api_newrelic_webhook'),
     url(r'^api/v1/external/bitbucket$',     'webhooks.api_bitbucket_webhook'),
     url(r'^api/v1/external/desk$',          'webhooks.api_deskdotcom_webhook'),
+    url(r'^api/v1/external/redmine$',       'webhooks.api_redmine_webhook'),
 )
 
 v1_api_and_json_patterns = patterns('zerver.views',