Code to cleanup room allocations

booking.helper.inc

@@ -422,6 +422,42 @@ function _booking_assign_attendee_group($nid, $session_id, $gender, $age, &$atte
 }
 
 
+/**
+ * Function for cleaning up room allocations for people that have withdrawn their registration
+ * @param $nid - the node id for the person
+ * @return nothing
+ */
+function _booking_rooms_cleanup($nid)
+{
+	global $event;
+	
+	
+	//first of all make sure we need to do anything
+	if (variable_get('booking_enable_roomallocations', 0) == 1)
+	{
+		//should only be one room allocation per person, so no need to loop over the results
+		$room_mapping = db_query("SELECT * FROM {booking_room_mapping} WHERE booking_eventid = :eid AND booking_nodeid = :nid",
+			array(':eid' => $event->eid, ':nid' => $nid))
+			->fetchObject();
+
+		if ($room_mapping)
+		{						
+			$message = t("Removing id !nid from room id !room.", 
+				array('!nid' => $nid, '!room' => $room_mapping->booking_roomid)
+			);
+			watchdog('booking', $message);
+			drupal_set_message($message, 'status', FALSE);
+			
+			db_delete('booking_room_mapping')
+				->condition('booking_eventid', $event->eid)
+				->condition('booking_nodeid', $nid)
+			 	->execute();	
+				
+									
+		}	//for each room
+	}		//end check for room allocations enabled
+}			//end function
+
 /**
  * Function for cleaning up study groups for people that have withdrawn their registration
  * @param $nid - the node id for the person who has withdrawn their registration
@@ -472,10 +508,9 @@ function _booking_studygroups_cleanup($nid)
 				->condition('booking_node_id', $nid)
 				->condition('booking_studygroup_id', $group->booking_studygroup_id)
 			 	->execute();			
-		}
-	}
-	
-}
+		}	//for each group
+	}		//end check for study groups enabled
+}			//end function
 
 /**
  * Function for calculating statistics of attendees