start implementing stored waiting list position

booking.regn_node.inc

@@ -612,6 +612,9 @@ function booking_update($node) {
 		else {
 			watchdog('booking', 'Still no room on the booked in list though.');
 		}
+
+		// Update waiting list positions
+		_booking_waitinglist_update_trigger();
 	}
 	//check if someone has moved to booked-in list from waiting-list
 	elseif ($previous_status->booking_status == 2 && $node->booking_status == 1) {
@@ -637,6 +640,8 @@ function booking_update($node) {
 			$waitinglist_nid = _booking_get_waitinglist_top();			
 		}
 
+		// Update waiting list positions
+		_booking_waitinglist_update_trigger();
 	}	
 	//check if someone has been demoted to the "missed payment deadline" status from being booked-in
 	elseif ($previous_status->booking_status == 1 && $node->booking_status == 4) {
@@ -660,7 +665,7 @@ function booking_update($node) {
 			//-1 means there was no one on the waiting list
 			if ($temp_nid != -1) {
 				//update their registration status
-				_booking_change_status($temp_nid,1);
+				_booking_change_status($temp_nid, 1);
 				//send them an email
 				_booking_promoted_from_waitinglist_email($temp_nid);
 			}
@@ -783,6 +788,26 @@ function booking_delete($node) {
 
 }
 
+/**
+ * Helper function to update the waiting list position for everyone on the waiting list
+ */
+function _booking_waitinglist_update_trigger()
+{
+	global $event;
+	$waiting_list = _booking_get_waitinglist();
+	$counter = 1;
+
+	foreach ($waiting_list as $person) {
+		db_update('booking_person')
+		  ->fields(array(
+				'booking_waitlist_pos' => $counter++,
+			))
+		  ->condition('nid', $person->nid)
+		  ->execute();			
+	}
+
+}
+
 
 function booking_view($node, $view_mode) {
 	global $event;