initial work for reading group token

booking.helper.inc

@@ -1604,6 +1604,39 @@ function _booking_travelform_email_summary($node) {
 	}
 }
 
+/**
+ * Helper function to format summary of reading group members, to be used as a token
+ */
+function _booking_readinggroup_email_listing($node) {
+	global $event;
+	$rows = array();
+
+	//display study session data if enabled
+	if (variable_get('booking_enable_studygroups', 0) == 0) {	
+		return implode("\n", $rows);
+	}
+	
+	// Check for the reading group
+	$readinggroup_query = db_query("SELECT * FROM {booking_studygroup_list} WHERE booking_eventid = :eid AND booking_is_readinggroup = 'Y'", 
+		array(':eid' => $event->eid));
+	$readinggroups = $readinggroup_query->fetchAllAssoc('sid');	
+
+	if (! $readinggroups) {
+		return implode("\n", $rows);
+	}
+
+	foreach ($readinggroups as $readinggroup)	{
+		//calculate the session references
+		$sessionid = "session" . $readinggroup->sid;
+		$roleid = $sessionid . "_role";
+
+		//check that this reading group session has been defined for this attendee and that they're a leader
+		if (!empty($node->$sessionid) && $node->$roleid == 1) {
+			watchdog('booking_debug', "<pre>Person is a leader of reading group \n@info</pre>", array('@info' => print_r($readinggroup, true)));
+		}
+	}
+}
+
 /**
  * Helper function to format summary of studygroup sessions to be used as a token
  */