--- loncom/interface/coursecatalog.pm	2019/07/26 15:32:34	1.88.2.5
+++ loncom/interface/coursecatalog.pm	2019/07/23 13:58:53	1.102
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for displaying the course catalog interface
 #
-# $Id: coursecatalog.pm,v 1.88.2.5 2019/07/26 15:32:34 raeburn Exp $
+# $Id: coursecatalog.pm,v 1.102 2019/07/23 13:58:53 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -57,7 +57,8 @@ sub handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['sortby','showdom']);
 
-    my $codedom = &Apache::lonnet::default_login_domain();
+    my $serverdefdom = &Apache::lonnet::default_login_domain();
+    my $codedom = $serverdefdom;
 
     if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne 'public')) { 
         $codedom = $env{'user.domain'};
@@ -74,9 +75,22 @@ sub handler {
             $env{'form.showdom'} = '';
         }
     }
-    my $domdesc = &Apache::lonnet::domain($codedom,'description');
+    my $domdesc = &Apache::lonnet::domain($serverdefdom,'description');
     &Apache::lonhtmlcommon::clear_breadcrumbs();
-
+    
+    unless (($serverdefdom eq $codedom) ||
+            (&Apache::lonnet::will_trust('catalog',$serverdefdom,$codedom))) {
+        my $serverdomdesc = &Apache::lonnet::domain($serverdefdom,'description');
+        $r->print(&Apache::loncommon::start_page('Course/Community Catalog'));
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>"/adm/coursecatalog",
+              text=>"Course/Community Catalog"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
+        $r->print('<div>'.&mt('Access to catalog LON-CAPA courses/communities unavailable for: "[_1]" on servers run by: "[_2]".',
+                  $domdesc,$serverdomdesc).'</div>');
+        $r->print(&Apache::loncommon::end_page());
+        return OK;
+    }
     my $crscats = &Apache::lonnet::get_dom_cats($codedom);
     my %domdefaults = &Apache::lonnet::get_domain_defaults($codedom);
     my $knownuser = &user_is_known();
@@ -124,7 +138,7 @@ sub handler {
         }
         my $js = '<script type="text/javascript">'."\n".
                  '// <![CDATA['."\n".
-                 &courselink_javascript()."\n".
+                 &courselink_javascript($r)."\n".
                  '// ]]>'."\n".
                  '</script>'."\n";
         $r->print(&Apache::loncommon::start_page('Search for a Course/Community',$js));
@@ -175,8 +189,14 @@ sub handler {
                                       $courseinfo{$codedom.'_'.$cnum}{$item});
                             if ($item eq 'title') {
                                 if ($courseinfo{$codedom.'_'.$cnum}{'showsyllabus'}) {
+                                    my $usehttp = 0;
+                                    if (($ENV{'SERVER_PORT'} == 443) && ($courseinfo{$codedom.'_'.$cnum}{'extsyllplain'})) {
+                                        unless (&Apache::lonnet::uses_sts()) {
+                                            $usehttp = 1;
+                                        }
+                                    }
                                     $r->print('&nbsp;<font size="-2">'.
-                                              '<a href="javascript:ToSyllabus('."'$codedom','$cnum'".')">'.
+                                              '<a href="javascript:ToSyllabus('."'$codedom','$cnum','$usehttp'".')">'.
                                               &mt('Syllabus').'</a></font>');
                                 }
                             }
@@ -279,7 +299,7 @@ function setCourseId(caller) {
 }
 
 ENDSCRIPT
-        $catjs .= &courselink_javascript();
+        $catjs .= &courselink_javascript($r);
         if (&user_is_dc($codedom) || $canviewall) {
             $catjs .= <<ENDTOGGJS
 
@@ -348,6 +368,8 @@ ENDJS
                 my $display_button;
                 if ($env{'form.currcat_0'} eq 'communities::0') {
                     $display_button = &mt('Display communities');
+                } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                    $display_button = &mt('Display placement tests');
                 } else {
                     $display_button = &mt('Display courses');
                 }
@@ -370,7 +392,7 @@ ENDJS
 }
 
 sub validate_input {
-    my ($codedom,$cats,$maxd,$configref) = @_;
+    my ($codedom,$cats,$maxd,$crscatsref) = @_;
     my $currcat = '';
     my $depth = 0;
     if ($env{'form.catalog_maxdepth'} ne '') {
@@ -642,7 +664,7 @@ sub course_details {
     my %add_entries = (topmargin    => "0",
                        marginheight => "0",);
     my $js = '<script type="text/javascript">'."\n".
-             &courselink_javascript().'</script>'."\n";
+             &courselink_javascript($r).'</script>'."\n";
     my $start_page =
         &Apache::loncommon::start_page('Course/Community Catalog',$js,
                                        {'add_entries' => \%add_entries, });
@@ -654,9 +676,18 @@ sub course_details {
     }
     my $brtextone = 'Course listing';
     my $brtexttwo = 'Course details';
+    my $textthree = &mt('Detailed course information:');
+    my $textfour = &mt('Back to course listing');
     if ($env{'form.currcat_0'} eq 'communities::0') {
         $brtextone = 'Community listing';
         $brtexttwo = 'Community details';
+        $textthree = &mt('Detailed community information:');
+        $textfour = &mt('Back to community listing');
+    } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+        $brtextone = 'Placement test listing';
+        $brtexttwo = 'Placement test details';
+        $textthree = &mt('Detailed placement test information:');
+        $textfour = &mt('Back to placement test listing');
     }
     &Apache::lonhtmlcommon::add_breadcrumb
              ({href=>"javascript:document.$formname.submit()",
@@ -664,20 +695,12 @@ sub course_details {
              {text=>$brtexttwo});
     $r->print(
         &Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog').
-        '<h2>'.
-        (($env{'form.currcat_0'} eq 'communities::0') ?
-            &mt('Detailed community information:') :
-            &mt('Detailed course information:')).
-        '</h2>'.
+        '<h2>'.$textthree.'</h2>'.
         &print_course_listing($codedom,undef,$trails,$allitems,undef,$codetitles).
         '<br />'.
         '<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
         &Apache::lonhtmlcommon::actionbox([
-            '<a href = "javascript:document.coursecatalog.submit()">'.
-            (($env{'form.currcat_0'} eq 'communities::0') ?
-                &mt('Back to community listing') : &mt('Back to course listing')).
-            '</a>'
-        ]).
+            '<a href = "javascript:document.coursecatalog.submit()">'.$textfour.'</a>']).
         &Apache::lonhtmlcommon::echo_form_input(['coursenum','catalogfilter',
                                                  'showdetails','courseid']).
         '</form>');
@@ -705,9 +728,11 @@ END
 }
 
 sub courselink_javascript {
+    my ($r) = @_;
+    my $hostname = $r->hostname();
     return <<"END";
 
-function ToSyllabus(cdom,cnum) {
+function ToSyllabus(cdom,cnum,usehttp) {
     if (cdom == '' || cdom == null) {
         return;
     }
@@ -715,6 +740,13 @@ function ToSyllabus(cdom,cnum) {
         return;
     }
     document.linklaunch.action = "/public/"+cdom+"/"+cnum+"/syllabus";
+    if (usehttp == 1) {
+        var hostname = '$hostname';
+        if (hostname != '') {
+            document.linklaunch.action = 'http://'+hostname+document.linklaunch.action;
+        }
+        document.linklaunch.action += '?usehttp=1';
+    }
     document.linklaunch.submit();
 }
 
@@ -797,6 +829,8 @@ sub cat_header {
     my $brtext = 'Course listing';
     if ($env{'form.currcat_0'} eq 'communities::0') {
         $brtext = 'Community listing';
+    } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+        $brtext = 'Placement test listing';
     }
     if ($env{'form.state'} eq 'listing') {
         if ($numtitles > 0) {
@@ -850,6 +884,9 @@ sub category_breadcrumbs {
             } elsif ($cats[0][0] eq 'communities') {
                 $catlinks .= &mt('Communities');
                 $env{'form.currcat_0'} = 'communities::0';
+            } elsif ($cats[0][0] eq 'placement') {
+                $catlinks .= &mt('Placement Tests');
+                $env{'form.currcat_0'} = 'placement::0';
             } else {
                 my $name = $cats[0][0];
                 my $item = &escape($name).'::0';
@@ -954,6 +991,8 @@ sub main_category_selector {
                 $maincatlinks .= &mt('Official courses (with institutional codes)');
             } elsif ($name eq 'communities') {
                 $maincatlinks .= &mt('Communities');
+            } elsif ($name eq 'placement') {
+                $maincatlinks .= &mt('Placement Tests');
             } else {
                 $maincatlinks .= $name;
             }
@@ -1016,6 +1055,8 @@ sub additional_filters {
     my $selfenroll_text;
     if ($env{'form.currcat_0'} eq 'communities::0') {
         $selfenroll_text = &mt('Only show communities which currently allow self-enrollment (or will allow it in the future)');
+    } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+        $selfenroll_text = &mt('Only show placement tests which currently allow self-enrollment (or will allow it in the future)');
     } else {
         $selfenroll_text = &mt('Only show courses which currently allow self-enrollment (or will allow it in the future)');
     }
@@ -1049,6 +1090,9 @@ sub additional_filters {
         if ($env{'form.currcat_0'} eq 'communities::0') {
             $details_text = &mt('Show full details for each community (domain staff only)');
             $hidden_text = &mt('Include communities set to be hidden from catalog (domain staff only)');
+        } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+            $details_text = &mt('Show full details for each placement test (domain staff only)');
+            $hidden_text = &mt('Include placement tests set to be hidden from catalog (domain staff only)');
         } else {
             $details_text = &mt('Show full details for each course (domain staff only)');
             $hidden_text = &mt('Include courses set to be hidden from catalog (domain staff only)');
@@ -1262,6 +1306,8 @@ sub search_courselist {
         }
         if ($env{'form.currcat_0'} eq 'communities::0') {
             $typefilter = 'Community';
+        } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+            $typefilter = 'Placement';
         } else {
             $typefilter = '.';
         }
@@ -1293,7 +1339,9 @@ sub print_course_listing {
             $output = '<p class="LC_error">';
             if ($env{'form.currcat_0'} eq 'communities::0') {
                 $output .= &mt('The courseID provided does not match a community in this domain.');
-            } else { 
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $output .= &mt('The courseID provided does not match a placement test in this domain.');
+            } else {
                 $output .= &mt('The courseID provided does not match a course in this domain.');
             }
             $output .= '</p>';
@@ -1309,6 +1357,8 @@ sub print_course_listing {
             $output = '<p class="LC_info">';
             if ($env{'form.currcat_0'} eq 'communities::0') {
                 $output .= &mt('No communities match the criteria you selected.');
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $output .= &mt('No placement tests match the criteria you selected.');
             } else {
                 $output .= &mt('No courses match the criteria you selected.');
             }
@@ -1369,6 +1419,10 @@ sub construct_data_table {
             if ($env{'form.currcat_0'} eq 'communities::0') {
                 $output .= '<th>'.&mt('Default Access Dates for Members').'</th>'.
                            '<th>'.&mt('Member Counts').'</th>';
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $output .=
+                    '<th>'.&mt('Default Access Dates for Students').'</th>'.
+                    '<th>'.&mt('Student Counts').'</th>';               
             } else {
                 $output .=
                     '<th>'.&mt('Default Access Dates for Students').'</th>'.
@@ -1416,7 +1470,7 @@ sub construct_data_table {
     my (%numbers,%creditsum);
     my ($showcredits,$defofficial,$defunofficial,$deftextbook);
     my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
-    unless ($env{'form.currcat_0'} eq 'communities::0') {
+    unless (($env{'form.currcat_0'} eq 'communities::0') || ($env{'form.currcat_0'} eq 'placement::0')) {
         if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
             $showcredits = 1;
             $defofficial = $domdefaults{'officialcredits'};
@@ -1482,6 +1536,8 @@ sub construct_data_table {
                 $lt{'Active'} = &mt('Total current members'); 
                 $lt{'Future'} = &mt('Total future members');
                 $lt{'Previous'} = &mt('Total previous members');
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $lt{'courses'} = &mt('Total placement tests');
             }
             my $colspan = 8;
             if ($showcredits) {
@@ -1540,7 +1596,7 @@ sub build_courseinfo_hash {
         $cleandesc=~s/'/\\'/g;
         $cleandesc =~ s/^\s+//;
         my ($cdom,$cnum)=split(/\_/,$course);
-        my ($instcode,$singleowner,$ttype,$selfenroll_types,
+        my ($instcode,$singleowner,$ttype,$selfenroll_types,$extsyllplain,
             $selfenroll_start,$selfenroll_end,@owners,%ownernames,$categories);
         if (ref($courses->{$course}) eq 'HASH') {
             $descr = $courses->{$course}{'description'};
@@ -1551,6 +1607,7 @@ sub build_courseinfo_hash {
             $selfenroll_start = $courses->{$course}{'selfenroll_start_date'};
             $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
             $categories = $courses->{$course}{'categories'};
+            $extsyllplain = $courses->{$course}{'extsyllplain'};
             push(@owners,$singleowner);
             if ($courses->{$course}{'co-owners'} ne '') {
                 foreach my $item (split(/,/,$courses->{$course}{'co-owners'})) {
@@ -1594,6 +1651,7 @@ sub build_courseinfo_hash {
         $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start;
         $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end;
         $courseinfo{$course}{'categories'} = $categories;
+        $courseinfo{$course}{'extsyllplain'} = $extsyllplain;
 
         my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
         my @classids;
@@ -1778,7 +1836,8 @@ sub count_students {
 sub courseinfo_row {
     my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems,$numbers,$canviewall) = @_;
     my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
-        $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories);
+        $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories,
+        $extsyllplain);
     if (ref($info) eq 'HASH') {
         $cdom = $info->{'cdom'};
         $cnum = $info->{'cnum'};
@@ -1792,6 +1851,7 @@ sub courseinfo_row {
         $counts = $info->{'counts'};
         $autoenrollment = $info->{'autoenrollment'};
         $showsyllabus = $info->{'showsyllabus'};
+        $extsyllplain = $info->{'extsyllplain'};
         $categories = $info->{'categories'};
     } else {
         $output = '<td colspan="8">'.&mt('No information available for [_1].',
@@ -1819,7 +1879,13 @@ sub courseinfo_row {
                '<td>'.$xlist_items.'</td>'.
                '<td>'.$title.'&nbsp;<font size="-2">';
     if ($showsyllabus) {
-        $output .= '<a href="javascript:ToSyllabus('."'$cdom','$cnum'".')">'.&mt('Syllabus').'</a>';
+        my $usehttp = 0;
+        if (($ENV{'SERVER_PORT'} == 443) && ($extsyllplain)) {
+            unless (&Apache::lonnet::uses_sts()) {
+                $usehttp = 1;
+            }
+        }
+        $output .= '<a href="javascript:ToSyllabus('."'$cdom','$cnum','$usehttp'".')">'.&mt('Syllabus').'</a>';
     } else {
         $output .= '&nbsp;';
     }
@@ -1830,7 +1896,7 @@ sub courseinfo_row {
             $output .=
                 '<td>'.$accessdates.'</td>'.
                 '<td>'.$counts.'</td>';
-            unless ($env{'form.currcat_0'} eq 'communities::0') {
+            unless (($env{'form.currcat_0'} eq 'communities::0') || ($env{'form.currcat_0'} eq 'placement::0')) {
                 $output .= '<td>'.$autoenrollment.'</td>';
             }
         } else {