--- loncom/misc/refresh_courseids_db.pl	2012/07/21 20:18:37	1.12
+++ loncom/misc/refresh_courseids_db.pl	2012/07/21 21:20:25	1.13
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # The LearningOnline Network
 #
-# $Id: refresh_courseids_db.pl,v 1.12 2012/07/21 20:18:37 raeburn Exp $
+# $Id: refresh_courseids_db.pl,v 1.13 2012/07/21 21:20:25 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -242,6 +242,20 @@ sub recurse_courses {
                 }
 
                 unless ($chome eq 'no_host') {
+                    if (($lastaccess->{$cid} eq '') ||
+                        ($lastaccess->{$cid} > $twodaysago)) {
+                        my $contentchange;
+                        if ($courseinfo{'internal.created'} eq '') {
+                            $contentchange = &last_map_update($cnum,$cdom);
+                        } else {
+                            unless ($courseinfo{'internal.created'} > $lastaccess->{$cid}) {
+                                $contentchange = &last_map_update($cnum,$cdom);
+                            }
+                        }
+                        if (($contentchange) && ($contentchange > $courseinfo{'internal.contentchange'})) {
+                            $changes{'internal.contentchange'} = $contentchange;
+                        }
+                    }
                     $courseshash->{$chome}{$cid} = {
                         description => $courseinfo{'description'},
                         inst_code   => $inst_code,
@@ -489,3 +503,21 @@ sub read_paramdata {
     return $resourcedata;
 }
 
+sub last_map_update {
+    my ($cnum,$cdom) = @_;
+    my $lastupdate = 0;
+    my $path = &LONCAPA::propath($cdom,$cnum);
+    if (-d "$path/userfiles") {
+        if (opendir(my $dirh, "$path/userfiles")) {
+            my @maps = grep(/^default_?\d*\.(?:sequence|page)$/,readdir($dirh));
+            foreach my $map (@maps) {
+                my $mtime = (stat("$path/userfiles/$map"))[9];
+                if ($mtime > $lastupdate) {
+                    $lastupdate = $mtime;
+                }
+            }
+        }
+    }
+    return $lastupdate;
+}
+