--- loncom/interface/lonwhatsnew.pm	2013/07/04 16:35:12	1.113
+++ loncom/interface/lonwhatsnew.pm	2015/07/21 21:26:32	1.118
@@ -1,5 +1,5 @@
 #
-# $Id: lonwhatsnew.pm,v 1.113 2013/07/04 16:35:12 bisitz Exp $
+# $Id: lonwhatsnew.pm,v 1.118 2015/07/21 21:26:32 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -598,6 +598,10 @@ sub display_actions_box {
     if ($needitems) {
         $itemserror = &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,\%threshold,$cdom,$crs,\%res_title,\%show,$starttime,$countunread);
     }
+    my $classlist;
+    if ($show{'oldroles'} || $show{'newroles'} || $show{'crslogin'}) {
+        $classlist = &Apache::loncoursedata::get_classlist();
+    }
     if ($show{'coursenormalmail'}) {
         $msgcount = &getnormalmail(\@newmsgs);
     }
@@ -605,10 +609,10 @@ sub display_actions_box {
         $critmsgcount = &getcritmail(\@critmsgs);
     }
     if ($show{'oldroles'}) {
-        $expirecount = &getexpired(\%expired,$expiredstart,'previous');
+        $expirecount = &getexpired(\%expired,$expiredstart,'previous',$classlist);
     }
     if ($show{'newroles'}) {
-        $activecount = &getactivated(\%activated,$activatedstart,'active');
+        $activecount = &getactivated(\%activated,$activatedstart,'active',$classlist);
     }
     if ($show{'crslogin'}) {
         $logincount = &getloggedin($cdom,$crs,\%loggedin,$crsloginstart);
@@ -641,7 +645,7 @@ sub display_actions_box {
             if ($displayed == $halfway) {
                 $r->print('</td><td>&nbsp;</td><td class="LC_right_col" >');
             }
-            &display_launcher($r,$actionitem,$refpage,$checkallowed,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,\%interval,$countunread,\%expired,$expirecount,\%activated,$activecount,$crstype,$itemserror,\%loggedin,$logincount);
+            &display_launcher($r,$actionitem,$refpage,$checkallowed,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,\%interval,$countunread,\%expired,$expirecount,\%activated,$activecount,$crstype,$itemserror,\%loggedin,$logincount,$classlist);
             $displayed ++; 
         }
     }
@@ -795,7 +799,7 @@ function toggle_countunread(choice) {
              .'<br />'
              .&mt("This can increase the time taken to gather data for the [_1]What's New Page[_2] by a few seconds.",'<i>','</i>')
              .'&nbsp;&nbsp;'
-             .&mt('Currently set to [_1].','<b>'.$current.'</b>.')
+             .&mt('Currently set to [_1].','<b>'.$current.'</b>')
     );
     $r->print('<br /><br />
 <form method="post" name="discussionswitch" action="/adm/whatsnew">
@@ -897,7 +901,7 @@ sub display_launcher {
         $tograde,$ungraded,$bombs,$bombed,$changed,$warnings,$triggered,
         $newdiscussions,$unread,$msgcount,$newmsgs,$critmsgcount,$critmsgs,
         $interval,$countunread,$expired,$expirecount,$activated,$activecount,
-        $crstype,$itemserror,$loggedin,$logincount) = @_;
+        $crstype,$itemserror,$loggedin,$logincount,$classlist) = @_;
 
     if ($$checkallowed{$action}) {
         &start_box($r,$show,$headings,$action,$refpage);
@@ -920,13 +924,13 @@ sub display_launcher {
                 &display_coursecritmail($r,$critmsgcount,$critmsgs);
             } elsif ($action eq 'newroles') { # ACTIVATED ROLES
                 &display_rolechanges($r,$activecount,$activated,$interval->{'newroles'},
-                                     $crstype);
+                                     $crstype,$classlist);
             } elsif ($action eq 'oldroles') { # EXPIRED ROLES
                 &display_rolechanges($r,$expirecount,$expired,$interval->{'oldroles'},
-                                     $crstype);
+                                     $crstype,$classlist);
             } elsif ($action eq 'crslogin') { #LAST LOGIN
                 &display_crslogins($r,$logincount,$loggedin,$interval->{'crslogin'},
-                                   $crstype);
+                                   $crstype,$classlist);
             }
         }
         &end_box($r);
@@ -1160,7 +1164,7 @@ sub get_curr_thresholds {
     my $thresholdcount = 0;
     my ($tmp) = %thresholdsettings;
     unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
-        foreach my $item (keys %{$threshold}) { 
+        foreach my $item (keys(%{$threshold})) { 
             if (exists($thresholdsettings{$cid.':threshold_'.$item})) {
                 $$threshold{$item} = 
                              $thresholdsettings{$cid.':threshold_'.$item};
@@ -1175,7 +1179,7 @@ sub get_curr_thresholds {
                                               $cdom,$crs,'internal.threshold');
     my ($temp) = %coursesettings;
     unless ($temp =~ /^(con_lost|error|no_such_host)/i) {  
-        foreach my $item (keys %{$threshold}) {
+        foreach my $item (keys(%{$threshold})) {
             unless (exists($thresholdsettings{$cid.':threshold_'.$item})) {
                 if (exists($coursesettings{'internal.threshold_'.$item})) {
                     $$threshold{$item} = 
@@ -1242,9 +1246,13 @@ sub process_reset {
 sub process_update {
     my ($uname,$udom,$threshold_titles) = @_;
     my $setoutput = '<b>'.&mt('Changes to threshold(s) for problem tracking:').'</b><br/><br />';
-    foreach (keys %env) {
-        next if ($_!~/^form\.(.+)\_setparmval$/);
-        my $name  = $1;
+    foreach my $key (keys(%env)) {
+        my $name;
+        if ($key =~/^form\.(.+)\_setparmval$/) {
+            $name  = $1;
+        } else {
+            next;
+        }
         my $value = $env{'form.'.$name.'_value'};
         if ($name && defined($value) && ($value ne '')) {
             my $put_result = &Apache::lonnet::put('nohist_whatsnew',
@@ -1267,29 +1275,36 @@ sub process_update {
 
 sub getnormalmail {
     my ($newmsgs) = @_;
-# Check for unread mail in course
+# Check for unread messages in user's INBOX (which were sent in context of current course).
     my $msgcount = 0;
-
-    my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
-    foreach my $message (@messages) {
-	my $msgid=&escape($message);
-        my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
-            &Apache::lonmsg::unpackmsgid($msgid);
-        if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
-            if (defined($sendtime) && $sendtime!~/error/) {
-                if ($status eq 'new') {
-                $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
-		    $msgcount ++;
-                    if ($shortsubj eq '') {
-                        $shortsubj = &mt('No subject');
+    my @messages = &Apache::lonnet::getkeys('nohist_email');
+    return $msgcount if (!@messages);
+    my %emailstatus = &Apache::lonnet::dump('email_status');
+    foreach my $msgid (sort(@messages)) {
+        if ((!$emailstatus{$msgid}) || ($emailstatus{$msgid} eq 'new')) {
+            my $skipstatus;
+            if ($emailstatus{$msgid} eq 'new') {
+                $skipstatus = 1;
+            }
+            my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
+                &Apache::lonmsg::unpackmsgid($msgid,undef,$skipstatus,undef,
+                                             $env{'request.course.id'});
+            if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
+                if (defined($sendtime) && $sendtime!~/error/) {
+                    if (($emailstatus{$msgid} eq 'new') || ($status eq 'new')) {
+                        $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
+		        $msgcount ++;
+                        if ($shortsubj eq '') {
+                            $shortsubj = &mt('No subject');
+                        }
+                        push(@{$newmsgs}, {
+                            msgid    => $msgid,
+                            sendtime => $sendtime,
+                            shortsub => $shortsubj,
+                            from     => $fromname,
+                            fromdom  => $fromdom
+                            });
                     }
-                    push(@{$newmsgs}, {
-                        msgid    => $msgid,
-                        sendtime => $sendtime,
-                        shortsub => $shortsubj,
-                        from     => $fromname,
-                        fromdom  => $fromdom
-                        });
                 }
             }
         }
@@ -1299,13 +1314,14 @@ sub getnormalmail {
 
 sub getcritmail {
     my ($critmsgs) = @_; 
-# Check for critical messages in course
+# Check for critical messages which were sent in context of current course.
     my %what=&Apache::lonnet::dump('critical');
     my $result = '';
     my $critmsgcount = 0;
     foreach my $msgid (sort(keys(%what))) {
         my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
-            &Apache::lonmsg::unpackmsgid($msgid);
+            &Apache::lonmsg::unpackmsgid($msgid,undef,1,undef,
+                                         $env{'request.course.id'});
         if (($fromcid) && ($fromcid eq  $env{'request.course.id'})) {
             if (defined($sendtime) && $sendtime!~/error/) {
                 $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
@@ -1327,13 +1343,13 @@ sub getcritmail {
 }
 
 sub getexpired {
-    my ($rolechgs,$rolechgtime,$status) = @_;
-    my $expirecount = &getrolechanges($rolechgs,$rolechgtime,$status);
+    my ($rolechgs,$rolechgtime,$status,$classlist) = @_;
+    my $expirecount = &getrolechanges($rolechgs,$rolechgtime,$status,$classlist);
     return $expirecount;
 }
 
 sub getactivated {
-    my ($rolechgs,$rolechgtime,$status) = @_;
+    my ($rolechgs,$rolechgtime,$status,$classlist) = @_;
     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
     my $now = time();
@@ -1384,12 +1400,13 @@ sub getactivated {
             }
         }
     }
-    $activatedcount += &getrolechanges($rolechgs,$rolechgtime,$status,\%stucounted,\%advcounted);
+    $activatedcount += &getrolechanges($rolechgs,$rolechgtime,$status,$classlist,\%stucounted,
+                                       \%advcounted);
     return $activatedcount;
 }
 
 sub getrolechanges {
-    my ($rolechgs,$rolechgtime,$status,$stucountref,$advcountref) = @_;
+    my ($rolechgs,$rolechgtime,$status,$classlist,$stucountref,$advcountref) = @_;
     my (%stucounted,%advcounted);
     if (ref($stucountref) eq 'HASH') {
         %stucounted = %{$stucountref};
@@ -1407,63 +1424,64 @@ sub getrolechanges {
     my ($permission,$allowed) =
         &Apache::lonuserutils::get_permission($context);
     my $viewablesec = &Apache::lonuserutils::viewable_section($permission);
-    my $classlist = &Apache::loncoursedata::get_classlist();
     my $secidx = &Apache::loncoursedata::CL_SECTION();
     my $startidx = &Apache::loncoursedata::CL_START();
     my $endidx = &Apache::loncoursedata::CL_END();
     my $rolechgcount = 0;
-    foreach my $key (keys(%{$classlist})) {
-        my ($userstatus,$eventtime);   
-        my $student = $classlist->{$key};
-        if (ref($student) eq 'ARRAY') {
-            my $start = $student->[$startidx];
-            my $end = $student->[$endidx];
-            my $sec = $student->[$secidx]; 
-            my ($stuname,$studom) = split(/:/,$key);
-            if ($status eq 'active') {
-                if (exists($stucounted{$key.':'.$sec})) {
-                    next;
+    if (ref($classlist) eq 'HASH') {
+        foreach my $key (keys(%{$classlist})) {
+            my ($userstatus,$eventtime);   
+            my $student = $classlist->{$key};
+            if (ref($student) eq 'ARRAY') {
+                my $start = $student->[$startidx];
+                my $end = $student->[$endidx];
+                my $sec = $student->[$secidx]; 
+                my ($stuname,$studom) = split(/:/,$key);
+                if ($status eq 'active') {
+                    if (exists($stucounted{$key.':'.$sec})) {
+                        next;
+                    }
                 }
-            }
-            if (($end == 0) || ($end > $start)) {
-                if ($start <= $now) {
-                    if ($end && $end < $now) {
-                        if ($rolechgtime > 0) {
-                            if ($end > $rolechgtime) {
+                if (($end == 0) || ($end > $start)) {
+                    if ($start <= $now) {
+                        if ($end && $end < $now) {
+                            if ($rolechgtime > 0) {
+                                if ($end > $rolechgtime) {
+                                    $userstatus = 'previous';
+                                }
+                            } else {
                                 $userstatus = 'previous';
                             }
                         } else {
-                            $userstatus = 'previous';
-                        }
-                    } else {
-                        if ($rolechgtime > 0) {
-                            if ($start >= $rolechgtime) {
+                            if ($rolechgtime > 0) {
+                                if ($start >= $rolechgtime) {
+                                    $userstatus = 'active';
+                                }
+                            } else {
                                 $userstatus = 'active';
                             }
-                        } else {
-                            $userstatus = 'active';
                         }
                     }
                 }
+                next if ($userstatus ne $status);
+                if ($status eq 'active') {
+                    $eventtime = $start;
+                } else {
+                    $eventtime = $end;
+                }
+                if (($viewablesec ne '') && ($sec ne '')) {
+                    next if ($viewablesec ne $sec);
+                }
+                my %chginfo = (
+                                'section' => $sec,
+                                'uname'   => $stuname,
+                                'udom'    => $studom,
+                                'role'    => 'st', 
+                                'status'  => $userstatus,
+                              );
+                $rolechgcount ++;
+                push(@{$rolechgs->{$eventtime}},\%chginfo);
             }
-            next if ($userstatus ne $status);
-            if ($status eq 'active') {
-                $eventtime = $start;
-            } else {
-                $eventtime = $end;
-            }
-            if (($viewablesec ne '') && ($sec ne '')) {
-                next if ($viewablesec ne $sec);
-            }
-            my %chginfo = (
-                            'section' => $sec,
-                            'uname'   => $stuname,
-                            'udom'    => $studom,
-                            'role'    => 'st', 
-                            'status'  => $userstatus,
-                          );
-            $rolechgcount ++;
-            push (@{$rolechgs->{$eventtime}},\%chginfo);
         }
     }
     my %advrolehash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,
@@ -1755,7 +1773,7 @@ sub display_versionchanges {
 }
 
 sub display_rolechanges {
-    my ($r,$chgcount,$changed,$interval,$crstype) = @_;
+    my ($r,$chgcount,$changed,$interval,$crstype,$classlist) = @_;
     my $now = time();
     my %lt = &Apache::lonlocal::texthash(
         'user'  => 'User',
@@ -1774,6 +1792,7 @@ sub display_rolechanges {
         if (ref($changed) eq 'HASH') {
             my @changes = sort { $b <=> $a } (keys(%{$changed}));
             my $changenum = 0;
+            my $fullnameidx = &Apache::loncoursedata::CL_FULLNAME();
             foreach my $item (@changes) {
                 if (ref($changed->{$item}) eq 'ARRAY') {
                     foreach my $chg (@{$changed->{$item}}) {
@@ -1791,8 +1810,14 @@ sub display_rolechanges {
                             my $udom = $chg->{'udom'};
                             $changenum ++;
                             my $css_class = $changenum%2?' class="LC_odd_row"':'';
+                            my $fullname;
+                            if (ref($classlist->{$uname.':'.$udom}) eq 'ARRAY') {
+                                $fullname = $classlist->{$uname.':'.$udom}->[$fullnameidx];
+                            } else {
+                                $fullname = &Apache::loncommon::plainname($uname,$udom,'lastname');
+                            }
                             my $link = 
-                                &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$udom),$uname,$udom);
+                                &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
                             $r->print('<tr'.$css_class.'>'.
                                       '<td>'.&Apache::lonlocal::locallocaltime($item).'</td>'.
                                       '<td>'.$link.'</td>'.
@@ -1812,7 +1837,8 @@ sub display_rolechanges {
 }
 
 sub display_crslogins {
-    my ($r,$logincount,$loggedin,$interval,$crstype) = @_;
+    my ($r,$logincount,$loggedin,$interval,$crstype,$classlist) = @_;
+    return unless (ref($classlist) eq 'HASH');
     my %lt = &Apache::lonlocal::texthash(
         'user'   => 'User',
         'role'   => 'Role',
@@ -1833,6 +1859,7 @@ sub display_crslogins {
         if (ref($loggedin) eq 'HASH') {
             my @logins = sort { $b <=> $a } (keys(%{$loggedin}));
             my $numlogin = 0;
+            my $fullnameidx = &Apache::loncoursedata::CL_FULLNAME();
             foreach my $item (@logins) {
                 if (ref($loggedin->{$item}) eq 'ARRAY') {
                     foreach my $user (@{$loggedin->{$item}}) {
@@ -1849,7 +1876,12 @@ sub display_crslogins {
                             $counts{$user->{'role'}}{$section} ++;
                             my $uname = $user->{'uname'};
                             my $udom = $user->{'udom'};
-                            my $fullname = &Apache::loncommon::plainname($uname,$udom,'lastname');
+                            my $fullname;
+                            if (ref($classlist->{$uname.':'.$udom}) eq 'ARRAY') {
+                                $fullname = $classlist->{$uname.':'.$udom}->[$fullnameidx];
+                            } else {
+                                $fullname = &Apache::loncommon::plainname($uname,$udom,'lastname');
+                            }
                             my $link =
                                 &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
                             push(@{$bylastname{$fullname}},