From efcc105d2c240e1d19a47cf3a1a4a12c61117b8c Mon Sep 17 00:00:00 2001
From: Ralph Bean <rbean@redhat.com>
Date: Thu, 19 Mar 2015 12:53:29 -0400
Subject: [PATCH] Add a rule to match members of a FAS group.

Requested by mclasen to watch builds of members of a gnome group.
---
 fmn/rules/generic.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/fmn/rules/generic.py b/fmn/rules/generic.py
index 7151622a7..6e90eebe6 100644
--- a/fmn/rules/generic.py
+++ b/fmn/rules/generic.py
@@ -54,6 +54,29 @@ def not_user_filter(config, message, fasnick=None, *args, **kw):
     return valid
 
 
+def _get_users_of_group(config, group):
+    """ Utility to query fas for users of a group. """
+    if not group:
+        return set()
+    fas = fmn.rules.utils.get_fas(config)
+    return fmn.rules.utils.get_user_of_group(config, fas, group)
+
+
+@hint(callable=_get_users_of_group)
+def fas_group_member_filter(config, message, group=None, *args, **kw):
+    """ Messages regarding any member of a FAS group
+
+    Use this rule to include messages that have anything to do with **any
+    user** belonging to a particular fas group.  You might want to use this
+    to monitor the activity of a group for which you are responsible.
+    """
+    if not group:
+        return False
+    fasusers = _get_users_of_group(config, group)
+    msgusers = fedmsg.meta.msg2usernames(message, **config)
+    return bool(fasusers.intersection(msgusers))
+
+
 def _user_package_filter_hint(config, fasnick):
     packages = fmn.rules.utils.get_packages_of_user(config, fasnick)
     return dict(packages=packages)