--- loncom/lonnet/perl/lonnet.pm	2010/03/08 14:28:50	1.1053
+++ loncom/lonnet/perl/lonnet.pm	2010/03/21 18:31:53	1.1057
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1053 2010/03/08 14:28:50 raeburn Exp $
+# $Id: lonnet.pm,v 1.1057 2010/03/21 18:31:53 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3019,6 +3019,7 @@ sub getannounce {
 
 sub courseidput {
     my ($domain,$storehash,$coursehome,$caller) = @_;
+    return unless (ref($storehash) eq 'HASH');
     my $outcome;
     if ($caller eq 'timeonly') {
         my $cids = '';
@@ -3103,6 +3104,49 @@ sub courseiddump {
     return %returnhash;
 }
 
+sub courselastaccess {
+    my ($cdom,$cnum,$hostidref) = @_;
+    my %returnhash;
+    if ($cdom && $cnum) {
+        my $chome = &homeserver($cnum,$cdom);
+        if ($chome ne 'no_host') {
+            my $rep = &reply('courselastaccess:'.$cdom.':'.$cnum,$chome);
+            &extract_lastaccess(\%returnhash,$rep);
+        }
+    } else {
+        if (!$cdom) { $cdom=''; }
+        my %libserv = &all_library();
+        foreach my $tryserver (keys(%libserv)) {
+            if (ref($hostidref) eq 'ARRAY') {
+                next unless (grep(/^\Q$tryserver\E$/,@{$hostidref}));
+            } 
+            if (($cdom eq '') || (&host_domain($tryserver) eq $cdom)) {
+                my $rep = &reply('courselastaccess:'.&host_domain($tryserver).':',$tryserver);
+                &extract_lastaccess(\%returnhash,$rep);
+            }
+        }
+    }
+    return %returnhash;
+}
+
+sub extract_lastaccess {
+    my ($returnhash,$rep) = @_;
+    if (ref($returnhash) eq 'HASH') {
+        unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' || 
+                $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
+                 $rep eq '') {
+            my @pairs=split(/\&/,$rep);
+            foreach my $item (@pairs) {
+                my ($key,$value)=split(/\=/,$item,2);
+                $key = &unescape($key);
+                next if ($key =~ /^error: 2 /);
+                $returnhash->{$key} = &thaw_unescape($value);
+            }
+        }
+    }
+    return;
+}
+
 # ---------------------------------------------------------- DC e-mail
 
 sub dcmailput {
@@ -3163,7 +3207,7 @@ sub get_domain_roles {
     return %personnel;
 }
 
-# ----------------------------------------------------------- Check out an item
+# ----------------------------------------------------------- Interval timing 
 
 sub get_first_access {
     my ($type,$argsymb)=@_;
@@ -3199,91 +3243,6 @@ sub set_first_access {
     return 'already_set';
 }
 
-sub checkout {
-    my ($symb,$tuname,$tudom,$tcrsid)=@_;
-    my $now=time;
-    my $lonhost=$perlvar{'lonHostID'};
-    my $infostr=&escape(
-                 'CHECKOUTTOKEN&'.
-                 $tuname.'&'.
-                 $tudom.'&'.
-                 $tcrsid.'&'.
-                 $symb.'&'.
-		 $now.'&'.$ENV{'REMOTE_ADDR'});
-    my $token=&reply('tmpput:'.$infostr,$lonhost);
-    if ($token=~/^error\:/) { 
-        &logthis("<font color=\"blue\">WARNING: ".
-                "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb.
-                 "</font>");
-        return ''; 
-    }
-
-    $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/;
-    $token=~tr/a-z/A-Z/;
-
-    my %infohash=('resource.0.outtoken' => $token,
-                  'resource.0.checkouttime' => $now,
-                  'resource.0.outremote' => $ENV{'REMOTE_ADDR'});
-
-    unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
-       return '';
-    } else {
-        &logthis("<font color=\"blue\">WARNING: ".
-                "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb.
-                 "</font>");
-    }    
-
-    if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
-                         &escape('Checkout '.$infostr.' - '.
-                                                 $token)) ne 'ok') {
-	return '';
-    } else {
-        &logthis("<font color=\"blue\">WARNING: ".
-                "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb.
-                 "</font>");
-    }
-    return $token;
-}
-
-# ------------------------------------------------------------ Check in an item
-
-sub checkin {
-    my $token=shift;
-    my $now=time;
-    my ($ta,$tb,$lonhost)=split(/\*/,$token);
-    $lonhost=~tr/A-Z/a-z/;
-    my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb;
-    $dtoken=~s/\W/\_/g;
-    my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
-                 split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost)));
-
-    unless (($tuname) && ($tudom)) {
-        &logthis('Check in '.$token.' ('.$dtoken.') failed');
-        return '';
-    }
-    
-    unless (&allowed('mgr',$tcrsid)) {
-        &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '.
-                 $env{'user.name'}.' - '.$env{'user.domain'});
-        return '';
-    }
-
-    my %infohash=('resource.0.intoken' => $token,
-                  'resource.0.checkintime' => $now,
-                  'resource.0.inremote' => $ENV{'REMOTE_ADDR'});
-
-    unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
-       return '';
-    }    
-
-    if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
-                         &escape('Checkin - '.$token)) ne 'ok') {
-	return '';
-    }
-
-    return ($symb,$tuname,$tudom,$tcrsid);    
-}
-
 # --------------------------------------------- Set Expire Date for Spreadsheet
 
 sub expirespread {
@@ -6374,12 +6333,12 @@ sub autoupdate_coowners {
             my %coursehash = &coursedescription($cdom.'_'.$cnum);
             my $instcode = $coursehash{'internal.coursecode'};
             if ($instcode ne '') {
-                unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
-                    my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
-                    if ($result eq 'valid') {
+                if (($start && $start <= $now) && ($end == 0) || ($end > $now)) {
+                    unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
                         my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);
-                        if (($end == 0) || ($end > $now)) {
-                             if ($coursehash{'internal.co-owners'}) {
+                        my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
+                        if ($result eq 'valid') {
+                            if ($coursehash{'internal.co-owners'}) {
                                 foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
                                     push(@newcoowners,$coowner);
                                 }
@@ -6829,8 +6788,13 @@ ENDINITMAP
     }
 # ----------------------------------------------------------- Write preferences
     &writecoursepref($udom.'_'.$uname,
-                     ('description' => $description,
-                      'url'         => $topurl));
+                     ('description'              => $description,
+                      'url'                      => $topurl,
+                      'internal.creator'         => $env{'user.name'}.':'.
+                                                    $env{'user.domain'},
+                      'internal.created'         => $now,
+                      'internal.creationcontext' => $context)
+                    );
     return '/'.$udom.'/'.$uname;
 }