--- loncom/interface/coursecatalog.pm	2015/06/09 21:22:55	1.88
+++ loncom/interface/coursecatalog.pm	2018/04/29 00:31:25	1.88.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for displaying the course catalog interface
 #
-# $Id: coursecatalog.pm,v 1.88 2015/06/09 21:22:55 damieng Exp $
+# $Id: coursecatalog.pm,v 1.88.2.2 2018/04/29 00:31:25 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -80,7 +80,7 @@ sub handler {
     my %domconfig =
         &Apache::lonnet::get_dom('configuration',['coursecategories'],$codedom);
     my $knownuser = &user_is_known();
-    my $canviewall = &canview_all();
+    my $canviewall = &canview_all($knownuser,$codedom);
     
     my ($cathash,$cattype);
     if (ref($domconfig{'coursecategories'}) eq 'HASH') {
@@ -742,7 +742,6 @@ sub additional_filters {
             $showhidden_status = 'checked="checked" ';
         }
         my @currstatuses = &Apache::loncommon::get_env_multiple('form.showcounts');
-        my $dc_title = &Apache::lonnet::plaintext('dc');
         my ($details_text,$hidden_text,$statusdisplay,$cellborder);
         my $wasactivedisplay = 'none';
         if ($env{'form.showdetails'}) {
@@ -756,11 +755,11 @@ sub additional_filters {
             $cellborder = 'border-left: 0px';
         }
         if ($env{'form.currcat_0'} eq 'communities::0') {
-            $details_text = &mt('Show full details for each community ([_1] only)',$dc_title);
-            $hidden_text = &mt('Include communities set to be hidden from catalog ([_1] only)',$dc_title);
+            $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)');
         } else {
-            $details_text = &mt('Show full details for each course ([_1] only)',$dc_title);
-            $hidden_text = &mt('Include courses set to be hidden from catalog ([_1] only)',$dc_title);
+            $details_text = &mt('Show full details for each course (domain staff only)');
+            $hidden_text = &mt('Include courses set to be hidden from catalog (domain staff only)');
         }
         if ($is_dc) {
             $output .= '<span class="LC_nobreak">'.
@@ -875,12 +874,17 @@ sub user_is_dc {
 }
 
 sub canview_all {
+    my ($knownuser,$codedom) = @_;
     my $canviewall = 0;
     my $page = 'coursecatalog';
     if (&LONCAPA::lonauthcgi::can_view($page)) {
         $canviewall = 1;
     } elsif (&LONCAPA::lonauthcgi::check_ipbased_access($page)) {
         $canviewall= 1;
+    } elsif (($knownuser) && ($codedom ne '')) {
+        if (&Apache::lonnet::allowed('dcd',$codedom)) {
+            $canviewall = 1;
+        }
     }
     return $canviewall;
 }
@@ -1603,27 +1607,33 @@ sub identify_sections {
 sub get_valid_classes {
     my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_;
     my $response;
-    my %validations;
+    my (@sections,@xlists,%possclasses,%okclasses,%validations);
     @{$validations{'sections'}} = ();
     @{$validations{'xlists'}} = ();
     my $totalitems = 0;
     if ($seclist) {
-        foreach my $sec (split(/, /,$seclist)) {
+        @sections = split(/,\s+/,$seclist);
+        map { $possclasses{$crscode.$_} = 1; } @sections;
+    }
+    if ($xlist_items) {
+        @xlists = split(/,\s+/,$xlist_items);
+        map { $possclasses{$_} = 1; } @xlists;
+    }
+    my %okclasses = &Apache::lonnet::auto_validate_instclasses($cdom,$cnum,$owners,
+                                                               \%possclasses);
+    if (keys(%okclasses)) {
+        foreach my $sec (@sections) {
             my $class = $crscode.$sec;
-            if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
-							 $class) eq 'ok') {
+            if ($okclasses{$crscode.$sec}) {
                 if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) {
                     push(@{$validations{'sections'}},$sec);
                     $totalitems ++;
                 }
             }
         }
-    }
-    if ($xlist_items) {
-        foreach my $item (split(/, /,$xlist_items)) {
-            if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
-							 $item) eq 'ok') {
-                if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) {
+        foreach my $item (@xlists) {
+            if ($okclasses{$item}) {
+                if (!grep(/^\Q$item\E$/,@{$validations{'xlists'}})) {
                     push(@{$validations{'xlists'}},$item);
                     $totalitems ++;
                 }