--- loncom/interface/lonuserutils.pm	2023/12/07 04:47:00	1.220
+++ loncom/interface/lonuserutils.pm	2025/01/13 00:57:39	1.224
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.220 2023/12/07 04:47:00 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.224 2025/01/13 00:57:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2183,6 +2183,24 @@ sub print_userlist {
     if (! exists($env{'form.sortby'})) {
         $env{'form.sortby'} = 'username';
     }
+    my ($showstart,$showend);
+    if (($env{'form.Status'} eq '') && ($env{'form.phase'} eq '') &&
+        ($env{'form.showrole'} eq '') && ($context eq 'course') &&
+        ($env{'request.course.id'} ne '') &&
+        ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'} ne '')) {
+        my $now = time;
+        my $startaccess = $env{'course.'.$env{'request.course.id'}.'.default_enrollment_start_date'};
+        my $endaccess = $env{'course.'.$env{'request.course.id'}.'.default_enrollment_end_date'};
+        if (($startaccess) && ($startaccess > $now)) {
+            $env{'form.Status'} = 'Future';
+            $showstart = 1;
+        }
+        if (($endaccess ne '') && ($endaccess != 0) && ($endaccess < $now)) {
+            $env{'form.Status'} = 'Expired';
+            undef($showstart);
+            $showend = 1;
+        }
+    }
     if ($env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
         $env{'form.Status'} = 'Active';
     }
@@ -2250,7 +2268,7 @@ sub print_userlist {
         $r->print(&section_group_filter($cnum,$cdom));
     }
     $r->print('</div><div class="LC_left_float">'.
-              &column_checkboxes($context,$mode,$formname,$showcredits).
+              &column_checkboxes($context,$mode,$formname,$showcredits,$showstart,$showend).
               '</div>');
     if ($env{'form.phase'} eq '') {
         $r->print('<br clear="all" />'.
@@ -2661,7 +2679,7 @@ sub get_cols_array {
 }
 
 sub column_checkboxes {
-    my ($context,$mode,$formname,$showcredits) = @_;
+    my ($context,$mode,$formname,$showcredits,$showstart,$showend) = @_;
     my @cols = &get_cols_array($context,$mode,$showcredits);
     my @showncols = &Apache::loncommon::get_env_multiple('form.showcol');
     my (%disabledchk,%unchecked);
@@ -2674,11 +2692,21 @@ sub column_checkboxes {
             if ($showcredits) {
                 $unchecked{'credits'} = 1;
             }
-        } elsif ($context eq 'domain') { 
+            my %curr_groups = &Apache::longroup::coursegroups();
+            unless (keys(%curr_groups)) {
+                $unchecked{'groups'} = 1;
+            }
+        } elsif ($context eq 'domain') {
             $unchecked{'extent'} = 1; 
         }
-        $unchecked{'start'} = 1;
-        $unchecked{'end'} = 1;
+        if ($showstart) {
+            $unchecked{'lastlogin'} = 1;
+        } else {
+            $unchecked{'start'} = 1;
+        }
+        unless ($showend) {
+            $unchecked{'end'} = 1;
+        }
     } else {
         if ($env{'form.Status'} ne 'Any') {
             $disabledchk{'status'} = 1;
@@ -2816,6 +2844,7 @@ sub gather_userinfo {
             ($userdata{'username'},$userdata{'domain'},$userdata{'role'}) =
                 split(/:/,$item);
             ($userdata{'start'},$userdata{'end'})=split(/:/,$rolehash->{$item});
+            next if (($userdata{'username'} eq '') && ($userdata{'domain'} eq ''));
             &build_user_record($context,\%userdata,$userinfo,$indexhash,
                                $item,$userlist);
         } elsif ($context eq 'course') {
@@ -3494,7 +3523,16 @@ END
         # If this is for a single course get last course "log-in".
         %crslogins=&Apache::lonnet::dump('nohist_crslastlogin',$cdom,$cnum);
     } elsif ($context eq 'author') {
-        map { $camanagers{$_.':ca'} = 1; } split(/,/,$env{'environment.authormanagers'});
+        my $authormanagers;
+        if ($env{'request.role'} =~ m{^(?:ca|aa)\./($match_domain)/($match_username)$}) {
+            my %envhash = &Apache::lonnet::userenvironment($1,$2,'authormanagers');
+            $authormanagers = $envhash{'authormanagers'};
+        } else {
+            $authormanagers = $env{'environment.authormanagers'};
+        }
+        if ($authormanagers ne '') {
+            map { $camanagers{$_.':ca'} = 1; } split(/,/,$authormanagers);
+        }
     }
     # Get groups, role, permanent e-mail so we can sort on them if
     # necessary.
@@ -3676,9 +3714,11 @@ END
         foreach my $item (@{$keylist}) {
             $in{$item} = $sdata->[$index{$item}];
         }
-        my $clickers = (&Apache::lonnet::userenvironment($in{'domain'},$in{'username'},'clickers'))[1];
-        if ($clickers!~/\w/) { $clickers='-'; }
-        $in{'clicker'} = $clickers;
+        if (grep(/^clicker$/,@cols)) { 
+            my $clickers = (&Apache::lonnet::userenvironment($in{'domain'},$in{'username'},'clickers'))[1];
+            if ($clickers!~/\w/) { $clickers='-'; }
+            $in{'clicker'} = $clickers;
+        }
 	my $role = $in{'role'};
         $in{'role'}=&Apache::lonnet::plaintext($sdata->[$index{'role'}],$crstype);
         unless ($mode eq 'excel') {
@@ -3800,10 +3840,7 @@ END
                 } elsif ($item eq 'clicker') {
                     if (($context eq 'course') && ($mode ne 'autoenroll')) {
                         if ($env{'form.showrole'} eq 'st' || $env{'form.showrole'} eq 'Any') {
-                            my $clickers =
-                   (&Apache::lonnet::userenvironment($in{'domain'},$in{'username'},'clickers'))[1];
-                            if ($clickers!~/\w/) { $clickers='-'; }
-                            $r->print('<td>'.$clickers.'</td>');
+                            $r->print('<td>'.$in{'clicker'}.'</td>');
                         } else {
                              $r->print('<td>&nbsp;</td>'."\n");
                         } 
@@ -4422,10 +4459,16 @@ sub results_header_row {
             $description .= ' ('.$constraint.')';
         } 
     } elsif ($context eq 'author') {
+        my ($auname,$audom);
+        if ($env{'request.role'} =~ m{^(?:ca|aa)\./($match_domain)/($match_username)$}) {
+            ($audom,$auname) = ($1,$2);
+        } else {
+            ($audom,$auname) = ($env{'user.domain'},$env{'user.name'});
+        }
         $description = 
             &mt('Author space for [_1]'
                 ,'<span class="LC_cusr_emph">'
-                .&Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'})
+                .&Apache::loncommon::plainname($auname,$audom)
                 .'</span>')
             .':&nbsp;&nbsp;';
         if ($statusmode eq 'Expired') {
@@ -6646,12 +6689,20 @@ sub can_modify_userinfo {
     my %domconfig =
        &Apache::lonnet::get_dom('configuration',['usermodification'],
                                 $dom);
+    if (($context eq 'author') &&
+        ($env{'request.role'} =~ m{^(ca|aa)\./$match_domain/$match_username$})) {
+        $context = 'coauthor';
+    }
     my %canmodify;
     if (ref($fields) eq 'ARRAY') {
         foreach my $field (@{$fields}) {
             $canmodify{$field}  = 0;
             if (&Apache::lonnet::allowed('mau',$dom)) {
                 $canmodify{$field} = 1;
+            } elsif (($context ne 'selfcreate') &&
+                     ($env{'request.role.dom'} ne $dom) &&
+                     ($env{'user.domain'} ne $dom)) {
+                $canmodify{$field} = 0;
             } else {
                 if (ref($domconfig{'usermodification'}) eq 'HASH') {
                     if (ref($domconfig{'usermodification'}{$context}) eq 'HASH') {