--- loncom/interface/lonrequestcourse.pm	2018/12/27 18:14:25	1.105
+++ loncom/interface/lonrequestcourse.pm	2020/07/01 20:08:54	1.109
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Request a course
 #
-# $Id: lonrequestcourse.pm,v 1.105 2018/12/27 18:14:25 raeburn Exp $
+# $Id: lonrequestcourse.pm,v 1.109 2020/07/01 20:08:54 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -119,6 +119,10 @@ use Apache::loncoursequeueadmin;
 use Apache::lonuserutils;
 use LONCAPA qw(:DEFAULT :match);
 
+my $registered_flush;
+my $registered_instcats;
+my $modified_dom;
+
 sub handler {
     my ($r) = @_;
     &Apache::loncommon::content_type($r,'text/html');
@@ -127,6 +131,10 @@ sub handler {
         return OK;
     }
 
+    $registered_flush = 0;
+    $registered_instcats = 0;
+    $modified_dom = '';
+
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
         ['action','showdom','cnum','state','crstype','queue','tabs']);
     &Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -569,6 +577,7 @@ sub form_elements {
                 clonedom         => 'selectbox',
                 datemode         => 'radio',
                 dateshift        => 'text',
+                tinyurls         => 'radio',
             },
             enrollment  => {
                 accessstart_month  => 'selectbox',
@@ -2948,7 +2957,7 @@ sub print_review {
         $inst_values .= '<td>'.$env{'form.coursecredits'}.'</td>';
     }
 
-    my %ctxt = &clone_text();
+    my %ctxt = &clone_text($env{'form.crstype'});
     $inst_headers .= '<th>'.&mt('Clone From').'</th>';
     if (($env{'form.cloning'}) &&
         ($env{'form.clonecrs'} =~ /^$match_name$/) && 
@@ -2960,7 +2969,8 @@ sub print_review {
             my %courseenv = &Apache::lonnet::userenvironment($env{'form.clonedom'},
                               $env{'form.clonecrs'},('description','internal.coursecode'));
             if (keys(%courseenv) > 0) {
-                $inst_headers .= '<th>'.$ctxt{'dsh'}.'</th>';
+                $inst_headers .= '<th>'.$ctxt{'dsh'}.'</th>'.
+                                 '<th>'.$ctxt{'dpl'}.'</th>';
                 $inst_values .= '<td>'.$courseenv{'description'}.'&nbsp;';
                 my $cloneinst = $courseenv{'internal.coursecode'};
                 if ($cloneinst ne '') {
@@ -2976,6 +2986,14 @@ sub print_review {
                 } else {
                     $inst_values .= $ctxt{'ncd'};
                 }
+                $inst_values .= '</td><td>';
+                if ($env{'form.tinyurls'} eq 'delete') {
+                    $inst_values .= $ctxt{'nsl'};
+                } elsif ($env{'form.tinyurls'} eq 'transfer') {
+                    $inst_values .= $ctxt{'tsl'};
+                } else {
+                    $inst_values .= $ctxt{'csl'};
+                }
                 $inst_values .= '</td>';
              } else {
                  $inst_values .= '<td>'.&mt('Unknown').'</td>';
@@ -3207,7 +3225,7 @@ sub clone_form {
     } elsif ($crstype eq 'placement') {
         $type = 'Placement'; 
     }
-    my %lt = &clone_text();
+    my %lt = &clone_text($crstype);
     my $output .= 
         &Apache::lonhtmlcommon::row_title($lt{'dmn'}).'<label>'.
         &Apache::loncommon::select_dom_form($dom,'clonedom').'</label>'.
@@ -3225,19 +3243,37 @@ sub clone_form {
         '<input type="radio" name="datemode" value="shift" checked="checked" /> '.
         $lt{'shd'}.'</label>'.
         '<input type="text" size="5" name="dateshift" value="365" />'.
+        &Apache::lonhtmlcommon::row_closure(1).
+        &Apache::lonhtmlcommon::row_title($lt{'dpl'}).'<label>'.
+        '<input type="radio" name="tinyurls" value="delete" /> '.$lt{'nsl'}.
+        '</label><br /><label>'.
+        '<input type="radio" name="tinyurls" value="transfer" /> '.$lt{'tsl'}.
+        '</label><br /><label>'.
+        '<input type="radio" name="tinyurls" value="create" checked="checked" /> '.$lt{'csl'}.
+        '</label>'.
         &Apache::lonhtmlcommon::row_closure(1);
     return $output;
 }
 
 sub clone_text {
-    return &Apache::lonlocal::texthash(
+    my ($crstype) = @_;
+    my %lt = &Apache::lonlocal::texthash(
                'cid'  => 'Course ID',
                'dmn'  => 'Domain',
                'dsh'  => 'Date Shift',
                'ncd'  => 'Do not clone date parameters',
                'prd'  => 'Clone date parameters as-is',
                'shd'  => 'Shift date parameters by number of days',
-        );
+               'dpl'  => 'URL shortcuts (for deep linking)',
+               'nsl'  => 'Do not clone URL shortcuts',
+               'tsl'  => 'Transfer URL shortcuts from existing course to new course',
+               'csl'  => 'Create new URL shortcuts in new course',
+    );
+    if ($crstype eq 'Community') {
+        $lt{'tsl'} = &mt('Transfer URL shortcuts from existing course to new community');
+        $lt{'csl'} = &mt('Create new URL shortcuts in new course');
+    }
+    return %lt;
 }
 
 sub coursecode_form {
@@ -3263,7 +3299,7 @@ sub coursecode_form {
         }
         if (@{$codetitles} > 0) {
             my $lastitem = pop(@{$codetitles});
-            my $lastinput = '<input type="text" size="5" name="'.$sel.'_'.                                            $lastitem.'" />';
+            my $lastinput = '<input type="text" size="5" name="'.$sel.'_'.$lastitem.'" />';
             if (@{$codetitles} > 0) {
                 my $helplink;
                 if (defined($helpitem{$context})) {
@@ -3371,14 +3407,14 @@ sub get_course_dom {
                     return $env{'user.domain'};
                 }
             }
-            my (@possible_doms,%willtrust,%trustchecked);
+            my (@possible_doms,%willtrust);
             foreach my $type (@{$types}) {
                 my $dom_str = $env{'environment.reqcrsotherdom.'.$type};
                 if ($dom_str ne '') {
                     my @domains = split(',',$dom_str);
                     foreach my $entry (@domains) {
                         my ($extdom,$extopt) = split(':',$entry);
-                        unless ($trustchecked{$extdom}) {
+                        unless (exists($willtrust{$extdom})) {
                             $willtrust{$extdom} = &Apache::lonnet::will_trust('reqcrs',$env{'user.domain'},$extdom);
                         }
                         if ($willtrust{$extdom}) {
@@ -3684,6 +3720,7 @@ sub print_request_outcome {
                     clonecrs       => $clonecrs,
                     datemode       => $env{'form.datemode'},
                     dateshift      => $env{'form.dateshift'},
+                    tinyurls       => $env{'form.tinyurls'},
                     sectotal       => $sectotal,
                     sections       => \%sections,
                     crosslisttotal => $crosslisttotal,
@@ -3817,7 +3854,9 @@ sub process_request {
             $storeresult = 'rejected';
         } elsif ($disposition eq 'process') {
             my %domdefs = &Apache::lonnet::get_domain_defaults($dom);
-            my ($logmsg,$newusermsg,$addresult,$enrollcount,$response,$keysmsg,%longroles,$code);
+            my ($logmsg,$newusermsg,$addresult,$enrollcount,$response,
+                $keysmsg,%longroles,$code);
+            my $clonemsg = [];
             my $type = 'Course';
             if ($crstype eq 'community') {
                 $type = 'Community';
@@ -3850,9 +3889,9 @@ sub process_request {
             $customitems{'_LC_coursestartdate'} = $accessstart;
             $customitems{'_LC_courseenddate'} = $accessend;
             my ($result,$postprocess) = &Apache::loncoursequeueadmin::course_creation($dom,$cnum,
-                                          'autocreate',$details,\$logmsg,\$newusermsg,\$addresult,
-                                          \$enrollcount,\$response,\$keysmsg,\%domdefs,\%longroles,
-                                          \$code,\%customitems);
+                                          'autocreate',$details,\$logmsg,$clonemsg,\$newusermsg,
+                                          \$addresult,\$enrollcount,\$response,\$keysmsg,\%domdefs,
+                                          \%longroles,\$code,\%customitems);
             if (ref($postprocess) eq 'HASH') {
                 $customized = $postprocess->{'createdcustomized'};
             }
@@ -3886,7 +3925,39 @@ sub process_request {
                     $output .= '<br />'.$role_result;
                 }
                 $output .= '</p>';
+                if ($logmsg) {
+                    $output .= '<p>'.$logmsg.'</p>';
+                }
+                if ((ref($clonemsg) eq 'ARRAY') && (@{$clonemsg})) {
+                    $output .= '<p class="LC_info">';
+                    my $user_lh = &Apache::loncommon::user_lang($env{'user.name'},$env{'user.domain'});
+                    foreach my $item (@{$clonemsg}) {
+                        if (ref($item) eq 'HASH') {
+                            $output .= &mt_user($user_lh,$item->{mt},
+                                                @{$item->{args}}).'<br />'."\n";
+                        }
+                    }
+                    $output .= '</p>'."\n";
+                }
                 $creationresult = 'created';
+                # Flush the course logs so reverse user roles immediately updated
+                unless ($registered_flush) {
+                    my $handlers = $r->get_handlers('PerlCleanupHandler');
+                    $r->set_handlers('PerlCleanupHandler' => [\&Apache::lonnet::flushcourselogs,@{$handlers}]);
+                    $registered_flush=1;
+                }
+                if ($instcode ne '') {
+                    &Apache::lonnet::devalidate_cache_new('instcats',$dom);
+                    # Update cache of self-cataloging courses on institution's server(s).
+                    if (&Apache::lonnet::shared_institution($dom)) {
+                        unless ($registered_instcats) {
+                            my $handlers = $r->get_handlers('PerlCleanupHandler');
+                            $r->set_handlers('PerlCleanupHandler' => [\&devalidate_remote_instcats,@{$handlers}]);
+                            $registered_instcats=1;
+                            $modified_dom = $dom;
+                        }
+                    }
+                }
             } else {
                 $output = '<span class="LC_error">';
                 if ($crstype eq 'community') {
@@ -4022,6 +4093,22 @@ sub process_request {
     }
 }
 
+sub devalidate_remote_instcats {
+    if ($modified_dom ne '') {
+        my %servers = &Apache::lonnet::internet_dom_servers($modified_dom);
+        my %thismachine;
+        map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
+        if (keys(%servers)) {
+            foreach my $server (keys(%servers)) {
+                next if ($thismachine{$server});
+                &Apache::lonnet::remote_devalidate_cache($server,['instcats:'.$modified_dom]);
+            }
+        }
+        $modified_dom = '';
+    }
+    return;
+}
+
 sub custom_formitems {
     my ($preprocess,$customhash) = @_;
     return unless ((ref($preprocess) eq 'HASH') && (ref($customhash) eq 'HASH'));  
@@ -4409,6 +4496,7 @@ sub retrieve_settings {
             }
             $env{'form.datemode'} = $reqinfo{'datemode'};
             $env{'form.dateshift'} = $reqinfo{'dateshift'};
+            $env{'form.tinyurls'} = $reqinfo{'tinyurls'};
             if ($reqinfo{'crstype'} eq 'official') {
                 $env{'form.autoadds'} = $reqinfo{'autoadds'};
                 $env{'form.autodrops'} = $reqinfo{'autodrops'};
@@ -4819,17 +4907,26 @@ sub print_textbook_form {
 #
 # Table of user's current courses (owner and/or course coordinator)
 #
-    my %lt = &clone_text();
+    my %lt = &clone_text('Course');
     if (keys(%cloneable)) {
         $r->print('<div id="showexisting" style="display:none">'.
                   &clone_selection_table($dom,'owned',\%cloneable).
-                  '<p><input type="radio" name="owndatemode" value="delete" /> '.$lt{'ncd'}.
+                  '<fieldset style="display:inline-block"><legend>'.$lt{'dsh'}.'</legend><label>'.
+                  '<input type="radio" name="owndatemode" value="delete" /> '.$lt{'ncd'}.
                   '</label><br /><label>'.
                   '<input type="radio" name="owndatemode" value="preserve" /> '.$lt{'prd'}.
                   '</label><br /><label>'.
                   '<input type="radio" name="owndatemode" value="shift" checked="checked" /> '.
                   $lt{'shd'}.'</label>'.
                   '<input type="text" size="5" name="owndateshift" value="365" />'.
+                  '</fieldset><fieldset style="display:inline-block">'.
+                  '<legend>'.$lt{'dpl'}.'</legend><label>'.
+                  '<input type="radio" name="owntinyurls" value="delete" />'.$lt{'nsl'}.
+                  '</label><br /><label>'.
+                  '<input type="radio" name="owntinyurls" value="transfer" />'.$lt{'tsl'}.
+                  '</label><br /><label>'.
+                  '<input type="radio" name="owntinyurls" value="create" checked="checked" />'.$lt{'csl'}.
+                  '</label></fieldset>'.
                   '</div>');
     }
 #
@@ -4838,13 +4935,20 @@ sub print_textbook_form {
     if (keys(%domcloneable)) {
         $r->print('<div id="showcolleague" style="display:none">'.
                   &clone_selection_table($dom,'colleague',\%domcloneable).
-                  '<p><input type="radio" name="colldatemode" value="delete" /> '.$lt{'ncd'}.
+                  '<fieldset style="display:inline-block"><legend>'.$lt{'dsh'}.'</legend><label>'.
+                  '<input type="radio" name="colldatemode" value="delete" /> '.$lt{'ncd'}.
                   '</label><br /><label>'.
                   '<input type="radio" name="colldatemode" value="preserve" /> '.$lt{'prd'}.
                   '</label><br /><label>'.
                   '<input type="radio" name="colldatemode" value="shift" checked="checked" /> '.
                   $lt{'shd'}.'</label>'.
                   '<input type="text" size="5" name="colldateshift" value="365" />'.
+                  '</fieldset><fieldset style="display:inline-block">'.
+                  '<legend>'.$lt{'dpl'}.'</legend><label>'.
+                  '<input type="radio" name="colltinyurls" value="delete" />'.$lt{'nsl'}.
+                  '</label><br /><label>'.
+                  '<input type="radio" name="colltinyurls" value="create" checked="checked" />'.$lt{'csl'}.
+                  '</label></fieldset>'.
                   '</div>');
     }
 
@@ -5092,6 +5196,7 @@ sub process_textbook_request {
             } else {
                 $details->{dateshift} = '';
             }
+            $details->{tinyurls} = $env{'form.owntinyurls'};
         } elsif ($reqtype eq 'colleague') {
             $details->{datemode} = $env{'form.colldatemode'};
             if ($details->{datemode} eq 'shift') {
@@ -5099,9 +5204,11 @@ sub process_textbook_request {
             } else {
                 $details->{dateshift} = '';
             }
+            $details->{tinyurls} = $env{'form.colltinyurls'};
         } elsif (($reqtype eq 'textbook') || ($reqtype eq 'template')) {
             $details->{datemode} = 'delete';
             $details->{dateshift} = '';
+            $details->{tinyurls} = '';
         }
         if ($details->{dateshift} ne '') {
             $details->{dateshift} =~ s/[^\d\.]+//g;
@@ -5109,6 +5216,7 @@ sub process_textbook_request {
     } else {
         $details->{datemode} = '';
         $details->{dateshift} = '';
+        $details->{tinyurls} = '';
     }
     my $lonhost = $r->dir_config('lonHostID');
     $r->rflush();