From f42a342a534f8230d78268148fab7a80cf6c91df Mon Sep 17 00:00:00 2001
From: Paul Trotter <paul@nucreative.co.uk>
Date: Wed, 24 Feb 2016 10:47:36 +0000
Subject: [PATCH] adds custom OG subgroup rule so the you can get the members
 of a subgroup via rules

---
 .../modules/og_subgroups/og_subgroups.rules.inc    | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 sites/all/modules/og_subgroups/og_subgroups.rules.inc

diff --git a/sites/all/modules/og_subgroups/og_subgroups.rules.inc b/sites/all/modules/og_subgroups/og_subgroups.rules.inc
new file mode 100644
index 0000000..827453f
--- /dev/null
+++ b/sites/all/modules/og_subgroups/og_subgroups.rules.inc
@@ -0,0 +1,69 @@
+<?php
+
+/****************
+Adds the ability to get the members of the parent group from a subgroup using rules
+/****************
+ 
+
+/**
+ * Implements hook_rules_action_info().
+ */
+function og_subgroups_rules_action_info() {
+  $items = array();
+
+  $items['og_subgroups_get_members'] = array(
+    'label' => t('Get subgroup group members from group audience'),
+    'group' => t('Custom'),
+    'parameter' => array(
+      'group_content' => array(
+        'type' => 'entity',
+        'label' => t('Group content'),
+        'description' => t('The group content determining the group audience.'),
+      ),
+    ),
+    'provides' => array(
+      'group_members' => array('type' => 'list<user>', 'label' => t('List of subgroup members')),
+    ),
+    'base' => 'og_subgroups_rules_get_members',
+    'access callback' => 'og_subgroups_rules_integration_access',
+  );
+
+  return $items;
+}
+ 
+
+/* NEW FUNCTION ************************************************/
+
+// This callback creates the hashed string by using the parameters provided through rules' UI
+function og_subgroups_rules_get_members($group_content) {
+
+    // get the nid from the passed value of the content being added
+    $nid = $group_content->nid->value();
+
+    // trying to manually call the get inherited users function from og_subgroups.common.inc
+    $inherited_users = _og_subgroups_get_inherited_users("node", $nid);
+
+    $members = array();
+
+    foreach ($inherited_users as $inherited_uid => $data) {
+      // Get the group members the group content belongs to.
+      
+      $user=user_load($inherited_uid);
+
+      // push the returned user to the array of members
+      array_push($members, $user);
+
+    }
+
+  // return the users  
+  return array('group_members' => $members);
+
+}
+
+/**
+ * OG Rules integration access callback.
+ */
+function og_subgroups_rules_integration_access($type, $name) {
+  // Grant everyone access to conditions.
+  return $type == 'condition' || user_access('administer group');
+}
\ No newline at end of file
-- 
2.6.2