--- loncom/interface/loncoursedata.pm	2006/05/05 21:35:31	1.168
+++ loncom/interface/loncoursedata.pm	2006/05/30 12:46:09	1.173
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursedata.pm,v 1.168 2006/05/05 21:35:31 raeburn Exp $
+# $Id: loncoursedata.pm,v 1.173 2006/05/30 12:46:09 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -51,10 +51,13 @@ package Apache::loncoursedata;
 use strict;
 use Apache::lonnet;
 use Apache::lonhtmlcommon;
+use Apache::longroup;
 use Time::HiRes;
 use Apache::lonmysql;
 use HTML::TokeParser;
 use GDBM_File;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
 
 =pod
 
@@ -74,7 +77,7 @@ and/or itself.
 
 Returns a reference to a hash as described by $values.  $values is
 assumed to be the result of 
-    join(':',map {&Apache::lonnet::escape($_)} %orighash);
+    join(':',map {&escape($_)} %orighash);
 
 This is a helper function for get_current_state.
 
@@ -84,8 +87,7 @@ This is a helper function for get_curren
 ################################################
 sub make_into_hash {
     my $values = shift;
-    my %tmp = map { &Apache::lonnet::unescape($_); }
-                                           split(':',$values);
+    my %tmp = map { &unescape($_); } split(':',$values);
     return \%tmp;
 }
 
@@ -965,9 +967,8 @@ sub populate_groupnames_table {
     my $dbh = &Apache::lonmysql::get_dbh();
     my $cdom = $env{'course.'.$courseid.'.domain'};
     my $cnum = $env{'course.'.$courseid.'.num'};
-    my %curr_groups;
-    my $numgrps = &Apache::loncommon::coursegroups(\%curr_groups,$cdom,$cnum);
-    return if (!$numgrps);
+    my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
+    return if (!%curr_groups);
     my $request = 'INSERT IGNORE INTO '.$groupnames_table.
                   '(groupname) VALUES ';
     foreach my $groupname (sort(keys(%curr_groups)),'none') {
@@ -1025,8 +1026,9 @@ sub populate_students_groups_table {
         "(student_id,group_id) VALUES ";
     my $cdom = $env{'course.'.$courseid.'.domain'};
     my $cnum = $env{'course.'.$courseid.'.num'};
-    my $classlist = &get_classlist($cdom,$cnum);
+    my ($classlist,$keylist) = &get_classlist($cdom,$cnum);
     my ($classgroups,$studentgroups) = &get_group_memberships($classlist,
+                                                              $keylist,
                                                               $cdom,$cnum);
     my $record_count = 0;
     foreach my $student (sort(keys(%{$classgroups}))) {
@@ -3142,7 +3144,10 @@ sub get_classlist {
 }
 
 sub get_group_memberships {
-    my ($classlist,$cdom,$cnum) = @_;
+    my ($classlist,$keylist,$cdom,$cnum) = @_;
+
+    return ({},{}) if (!ref($classlist) || !ref($keylist));
+
     my $cid = $cdom.'_'.$cnum;
     if (!defined($cdom) || !defined($cnum)) {
         $cid =  $env{'request.course.id'};
@@ -3152,11 +3157,11 @@ sub get_group_memberships {
     my (%classgroups,%studentgroups);
     my $now = time;
     my $access_end = $env{'course.'.$cid.'.default_enrollment_end_date'};
-    my (%curr_groups,%groupmemberhash);
-    my $numgroups = &Apache::loncommon::coursegroups(\%curr_groups,$cdom,
-                                                     $cnum);
-    if ($numgroups) {
-        %groupmemberhash = &Apache::lonnet::get_group_membership($cdom,$cnum);
+    my %curr_groups =&Apache::longroup::coursegroups($cdom,$cnum);
+    if (%curr_groups) {
+        my $grpindex = scalar(@{$keylist});
+        my %groupmemberhash = 
+	    &Apache::lonnet::get_group_membership($cdom,$cnum);
         foreach my $student (keys(%{$classlist})) {
             %{$classgroups{$student}} = ();
             my $hasgroup = 0;
@@ -3196,6 +3201,9 @@ sub get_group_memberships {
             }
             if (!$hasgroup) {
                 $studentgroups{'none'} ++;
+            } else {
+                $classlist->{$student}->[$grpindex] = join(',',
+                              sort(keys(%{$classgroups{$student}{'active'}})));
             }
         }
     }