--- loncom/interface/longroup.pm	2009/02/25 16:39:54	1.22
+++ loncom/interface/longroup.pm	2012/12/18 15:26:03	1.29
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # accessor routines used to provide information about course groups 
 #
-# $Id: longroup.pm,v 1.22 2009/02/25 16:39:54 hauer Exp $
+# $Id: longroup.pm,v 1.29 2012/12/18 15:26:03 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -31,6 +31,7 @@ package Apache::longroup;
 use strict;
 use Apache::lonnet;
 use Apache::lonlocal;
+use LONCAPA;
 
 ###############################################
 =pod
@@ -217,7 +218,7 @@ for the course is included amongst the u
 and would trigger membership in teh same group(s) 
 
 If role is being added, will add any group memberships specified
-for auto-group population, unless use is already a group member.
+for auto-group population, unless user is already a group member.
 Uses default group privileges and default start and end group access
 times.
 
@@ -251,9 +252,6 @@ sub group_changes {
     } else {
         $cid = $url;
     }
-    my $courseid = $cid;
-    $courseid =~ s|^/||;
-    $courseid =~ s|/|_|;
     my %crshash=&Apache::lonnet::coursedescription($cid);
     $cdom = $crshash{'domain'};
     $cnum = $crshash{'num'};
@@ -291,10 +289,7 @@ sub group_changes {
        if (@changegroups > 0) {
             my %currpriv;
             my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname,$cid);
-	    if (my $tmp = &Apache::lonnet::error(%roleshash)) {
-                &Apache::lonnet::logthis('Error retrieving roles: '.$tmp.
-                                         ' for '.$uname.':'.$udom);
-            } else {
+	    if (keys(%roleshash) > 0) {
                 my $group_privs = '';
                 foreach my $group (@changegroups) {
                     if ($chgtype eq 'add') {
@@ -686,6 +681,25 @@ sub get_group_bbinfo {
 }
 
 ###############################################
+
+sub get_group_link {
+    my ($cdom,$cnum,$group,$navmap) = @_;
+    if (ref($navmap)) {
+        my $symb = 'uploaded/'.$cdom.'/'.$cnum.'/group_folder_'.$group.'.sequence___1___adm/'.$cdom.'/'.$cnum.'/'.$group.'/smppg';
+        my $res = $navmap->getBySymb($symb);
+        my $link;
+        if (ref($res)) {
+            $link = $res->link();
+            $link .= (($link=~/\?/)?'&':'?').'symb='.$res->shown_symb();
+        } else {
+            $link = '/adm/'.$cdom.'/'.$cnum.'/'.$group.'/smppg';
+        }
+        return $link; 
+    }
+    return;
+}
+
+###############################################
 
 1;