--- loncom/interface/loncreatecourse.pm	2013/03/01 04:37:39	1.147
+++ loncom/interface/loncreatecourse.pm	2020/05/22 19:57:57	1.158.2.6
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Create a course
 #
-# $Id: loncreatecourse.pm,v 1.147 2013/03/01 04:37:39 raeburn Exp $
+# $Id: loncreatecourse.pm,v 1.158.2.6 2020/05/22 19:57:57 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -82,7 +82,11 @@ use Apache::lonlocal;
 use Apache::lonuserutils;
 use Apache::lonclonecourse;
 use LONCAPA::batchcreatecourse;
-use LONCAPA;
+use LONCAPA qw(:DEFAULT :match);
+
+my $registered_flush;
+my $registered_instcats;
+my $modified_dom;
 
 # ===================================================== Phase one: fill-in form
 
@@ -99,7 +103,7 @@ sub print_course_creation_page {
     foreach my $server (sort(keys(%host_servers))) {
         $course_home .= qq{<option value="$server"};
         if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
-            $course_home .= " selected ";
+            $course_home .= ' selected="selected"';
         }
         $course_home .= qq{>$server $host_servers{$server}</option>};
     }
@@ -116,6 +120,8 @@ sub print_course_creation_page {
     my $endtime = time+(6*30*24*60*60); # 6 months from now, approx
     my $access_table = &Apache::lonuserutils::date_setting_table($starttime,
                                              $endtime,'create_defaultdates');
+    my $openallfrom =
+        &Apache::lonhtmlcommon::date_setter('ccrs','openallfrom',$starttime);
     if ($crstype eq 'Course') {
         $enroll_table = &Apache::lonuserutils::date_setting_table($starttime,
                                               $endtime,'create_enrolldates');
@@ -133,6 +139,8 @@ sub print_course_creation_page {
     } else {
         my $title_alert = &mt('A Community title is required');
         my $coord_alert = &mt('The username of the Coordinator is required');
+        &js_escape(\$title_alert);
+        &js_escape(\$coord_alert);
         $javascript_validations = qq|
 function validate(formname) {
     if (formname.title == '') {
@@ -155,12 +163,12 @@ function validate(formname) {
                     'iinf' => "Institutional Information",
                     'stat' => "The following entries will be used to identify the course according to the naming scheme adopted by your institution. Your choices will be used to map an internal LON-CAPA course ID to the corresponding course section ID(s) used by the office responsible for providing official class lists for courses at your institution. This mapping is required if you choose to employ automatic population of class lists.",
                     'ccod' => "Course Code",
-                    'toin' => "to interface with institutional data, e.g., fs03glg231 for Fall 2003 Geology 231",
                     'snid' => "Section Numbers and corresponding LON-CAPA section IDs",
                     'csli' => "a comma separated list of institutional section numbers, each separated by a colon from the (optional) corresponding section ID to be used in LON-CAPA e.g., 001:1,002:2",
                     'crcs' => "Crosslisted courses",
-                    'cscs' => "a comma separated list of course sections crosslisted with the current course, with each entry including the institutional course section name followed by a colon and then the (optional) sectionID to be used in LON-CAPA, e.g., fs03ent231001:ent1,fs03bot231001:bot1,fs03zol231002:zol2",
+                    'cscs' => "a comma separated list of course sections crosslisted with the current course, with each entry including the institutional course section name followed by a colon and then the (optional) section ID to be used in LON-CAPA, e.g., fs03ent231001:ent1,fs03bot231001:bot1,fs03zol231002:zol2",
                     'ccre' => "Course credits",
+                    'crcd' => "Create six character course identifier to share with students",
                     'cred' => "the number of institutional credits students will earn by completing this course",
                     'crco' => "Course Content",
                     'cncr' => "Completely new course",
@@ -183,9 +191,11 @@ function validate(formname) {
                     'shd'  => 'Shift date parameters by number of days',
                     'assp' => "Assessment Parameters",
                     'oaas' => "Open all assessments",
+                    'sta'  => "starting from:",
                     'mssg' => "Messaging",
                     'scpf' => "Set course policy feedback to Course Coordinator",
-                    'scfc' => "Set content feedback to Course Coordinator",
+                    'scfc' => "Set resource content feedback to Course Coordinator",
+                    'scof' => "Set course content feedback to Course Coordinator",
                     'cmmn' => "Communication",
                     'dsrd' => "Disable student resource discussion",
                     'dsuc' => "Disable student use of chat rooms",
@@ -206,8 +216,6 @@ function validate(formname) {
                     'psam' => "Authentication mechanism",
                     'pcda' => "Default authentication method for new users added to this domain by the automated enrollment process",
                     'nech' => "Notification of enrollment changes",
-                    'nccl' => "Notification to course coordinator via LON-CAPA message when enrollment changes occur during the automated update?",
-                    'ndcl' => "Notification to domain coordinator via LON-CAPA message when enrollment changes occur during the automated update?",
                     'irsp' => "Include retrieval of student photographs?",
 		    'rshm' => 'Resource Space Home',
                     'cgrs' => "Course Group Settings",
@@ -216,6 +224,9 @@ function validate(formname) {
                     'opcm' => 'Open Community',
 	       );
     $lt{'kaut'} = &mt('Key authority ([_1]id:domain[_2]) if other than course','<tt>','</tt>');
+    $lt{'toin'} = &mt('to interface with institutional data, e.g., [_1]fs13glg231[_2] for [_3]Fall 2013 Geology 231[_4]','<tt>','</tt>','<i>','</i>');
+    $lt{'nccl'} = &mt('Notification to [_1]course coordinator[_2] via LON-CAPA message when enrollment changes occur during the automated update?','<b>','</b>');
+    $lt{'ndcl'} = &mt('Notification to [_1]domain coordinator[_2] via LON-CAPA message when enrollment changes occur during the automated update?','<b>','</b>');
 
     if ($crstype eq 'Community') {
         $lt{'cinf'} = &mt('Community Information');
@@ -230,7 +241,8 @@ function validate(formname) {
         $lt{'navi'} = &mt('Community Contents');
         $lt{'cid'}  = &mt('Community ID');
         $lt{'scpf'} = &mt('Set community policy feedback to Coordinator');
-        $lt{'scfc'} = &mt('Set content feedback to Coordinator');
+        $lt{'scfc'} = &mt('Set resource content feedback to Coordinator');
+        $lt{'scof'} = &mt('Set community content feedback to Coordinator');
         $lt{'dsrd'} = &mt('Disable member resource discussion');
         $lt{'dsuc'} = &mt('Disable member use of chat rooms');
         $lt{'dads'} = &mt('Default Access Dates for Members');
@@ -244,6 +256,8 @@ function validate(formname) {
     }
     my $js = <<END;
 <script type="text/javascript">
+// <![CDATA[
+
 var editbrowser = null;
 function openbrowser(formname,elementname) {
     var url = '/res/?';
@@ -262,6 +276,8 @@ function openbrowser(formname,elementnam
     editbrowser.focus();
 }
 $javascript_validations
+
+// ]]>
 </script>
 $coursebrowserjs
 END
@@ -317,8 +333,8 @@ END
         $r->print(&Apache::lonhtmlcommon::row_headline()
                  .'<h3>'.$lt{'iinf'}.'</h3>'
                  .$lt{'stat'}.' '
-                 .&mt('Default credits can also be specified, if different from the domain defaults (official courses: [_1]; unofficial courses: [_2]).',
-                      $domdefaults{'officialcredits'},$domdefaults{'unofficialcredits'})
+                 .&mt('Default credits can also be specified, if different from the domain defaults (official courses: [_1]; unofficial courses: [_2]; textbook courses: [_3]).',
+                      $domdefaults{'officialcredits'},$domdefaults{'unofficialcredits'},$domdefaults{'textbookcredits'})
                  .&Apache::lonhtmlcommon::row_closure()
 
                  .&Apache::lonhtmlcommon::row_title($lt{'ccod'})
@@ -336,13 +352,20 @@ END
                  .'<br />('.$lt{'cscs'}.')'
                  .&Apache::lonhtmlcommon::row_closure()
         );
-        if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'}) {
+        if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
             $r->print(&Apache::lonhtmlcommon::row_title($lt{'ccre'})
                      .'<input type="text" size="3" name="defaultcredits" />'
                      .'<br />('.$lt{'cred'}.')'
                      .&Apache::lonhtmlcommon::row_closure()
             );
         }
+        $r->print(&Apache::lonhtmlcommon::row_title($lt{'crcd'})
+                     .'<span class="LC_nobreak">'
+                     .'<input type="radio" name="uniquecode" value="1" />'.&mt('Yes').('&nbsp;'x2)
+                     .'<input type="radio" name="uniquecode" value="0" checked="checked" />'.&mt('No')
+                     .'</span> 
+                     .&Apache::lonhtmlcommon::row_closure()
+            );
     }
     # Table: New Course / Clone Course
     $r->print(&Apache::lonhtmlcommon::row_headline()
@@ -388,7 +411,7 @@ END
                  .&Apache::lonhtmlcommon::row_closure(1)
                  .&Apache::lonhtmlcommon::end_pick_box()
 
-                 .'<td>&nbsp;</td>'
+                 .'</td><td>&nbsp;</td>'
 
                  # Clone Course:
                  .'<td>'
@@ -438,7 +461,10 @@ END
                  .&Apache::lonhtmlcommon::row_closure()
 
                  .&Apache::lonhtmlcommon::row_title($lt{'oaas'})
-                 .'<input type="checkbox" name="openall" />'
+                 .'<span class="LC_nobreak">'
+                 .'<label><input type="radio" name="openall" value="0" checked="checked" />'.$lt{'no'}.'</label>'.('&nbsp;'x2)
+                 .'<label><input type="radio" name="openall" value="1" />'.$lt{'yes'}.'</label>'.',&nbsp;'
+                 .$lt{'sta'}.'&nbsp;'.$openallfrom.'</span>'
                  .&Apache::lonhtmlcommon::row_closure()
 
                  .&Apache::lonhtmlcommon::row_headline()
@@ -453,6 +479,10 @@ END
                  .'<input type="checkbox" name="setcontent" checked="checked" />'
                  .&Apache::lonhtmlcommon::row_closure()
 
+                 .&Apache::lonhtmlcommon::row_title($lt{'scof'})
+                 .'<input type="checkbox" name="setcomment" checked="checked" />'
+                 .&Apache::lonhtmlcommon::row_closure()
+
                  .&Apache::lonhtmlcommon::row_headline()
                  .'<h3>'.$lt{'cmmn'}.'</h3>'
                  .&Apache::lonhtmlcommon::row_closure()
@@ -548,7 +578,8 @@ END
 <p>
 <input type="hidden" name="prevphase" value="courseone" />
 <input type="hidden" name="phase" value="coursetwo" />
-<input type="button" onClick="verify_message(this.form)" value="'.$lt{'opco'}.'" />'
+<input type="button" onclick="verify_message(this.form)" value="'.$lt{'opco'}.'" />
+</p>'
         );
     } elsif ($crstype eq 'Community') {
         $r->print('
@@ -570,7 +601,7 @@ sub create_course {
     my $ccuname =&LONCAPA::clean_username($env{'form.ccuname'});
     my $ccdomain=&LONCAPA::clean_domain($env{'form.ccdomain'});
     my $crstype = 'Community';
-    my ($enrollstart,$enrollend,$startaccess,$endaccess);
+    my ($enrollstart,$enrollend,$startaccess,$endaccess,$openallfrom);
     my %domdefaults = 
         &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
 
@@ -581,6 +612,7 @@ sub create_course {
     }
     $startaccess = &Apache::lonhtmlcommon::get_date_from_form('startaccess');
     $endaccess   = &Apache::lonhtmlcommon::get_date_from_form('endaccess');
+    $openallfrom = &Apache::lonhtmlcommon::get_date_from_form('openallfrom');
 
     my $autharg;
     my $authtype;
@@ -639,20 +671,26 @@ sub create_course {
                endaccess => $endaccess,
                setpolicy => $env{'form.setpolicy'},
                setcontent => $env{'form.setcontent'},
+               setcomment => $env{'form.setcomment'},
                reshome => $env{'form.reshome'},
                setkeys => $env{'form.setkeys'},
                keyauth => $env{'form.keyauth'},
                disresdis => $env{'form.disresdis'},
                disablechat => $env{'form.disablechat'},
                openall => $env{'form.openall'},
+               openallfrom => $openallfrom,
                firstres => $env{'form.firstres'}
                };
 
     if (($crstype eq 'Course') && 
-        ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'})) {
+        ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'})) {
         $args->{'defaultcredits'} = $env{'form.defaultcredits'};
     }
 
+    if ($env{'form.uniquecode'}) {
+         $args->{'uniquecode'} = 1;
+    }
+
     #
     # Verify data
     #
@@ -681,12 +719,12 @@ sub create_course {
                      ,$env{'form.course_home'}.&Apache::loncommon::end_page()));
         return;
     }
-    my ($courseid,$crsudom,$crsunum);
+    my ($courseid,$crsudom,$crsunum,$code);
     my ($success,$output) = 
 	&Apache::loncommon::construct_course($args,\$logmsg,\$courseid,
 					     \$crsudom,\$crsunum,
 					     $env{'user.domain'},
-					     $env{'user.name'},'dc_create');
+					     $env{'user.name'},'dc_create',undef,undef,\$code);
     $r->print($output);
     if ($success) {
         #
@@ -706,8 +744,15 @@ sub create_course {
 	    $r->print(
 		      '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">'.&mt('Manage Access Keys').'</a></p>');
 	}
-        # Flush the course logs so reverse user roles immediately updated
-	$r->register_cleanup(\&Apache::lonnet::flushcourselogs);
+        if ($code) {
+            $r->print(
+                      '<p>'.&mt('Course identifier to share with students: [_1]',$code).'</p>'
+                     );
+        }
+        if ($env{'form.crscode'} ne '') {
+            &Apache::lonnet::devalidate_cache_new('instcats',$crsudom);
+        }
+        &register_cleanups($r,$crsudom,$env{'form.crscode'});
 	$r->print('<p>'.&mt('Roles will be active at next login').'.</p>');
     }
     $r->print('<p><a href="/adm/createcourse?phase='.lc($crstype).'one">'.
@@ -716,7 +761,7 @@ sub create_course {
 }
 
 sub print_intro_page {
-    my ($r,$show_all_choices) = @_;
+    my ($r,$show_all_choices,$cancreate,$permission) = @_;
     my $start_page =
         &Apache::loncommon::start_page('Create a New Course or Community');
     my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Creation Options','Create_Course',undef,'Create_Courses');
@@ -725,6 +770,10 @@ sub print_intro_page {
     my $helplink=&Apache::loncommon::help_open_topic('Create_Course_Community',&mt('Help on Creating Courses and Communities'));
 
     # Create menu
+    my $approve = 'Display requests awaiting approval';
+    if ($permission->{'create'}) {
+        $approve = 'Approve or reject requests';
+    }
     my @menu;
     @menu =
        ({ categorytitle => 'Course/Community Creation',
@@ -732,7 +781,7 @@ sub print_intro_page {
           {
                linktext => 'Create a single course',
                url => '/adm/createcourse?phase=courseone',
-               permission => 1,
+               permission => $permission->{'create'},
                #help => '',
                icon => 'crsnew.png',
                linktitle => 'Create a new course by completing an online form.'
@@ -740,7 +789,7 @@ sub print_intro_page {
           {
                linktext => 'Create a single community',
                url => '/adm/createcourse?phase=groupone',
-               permission => $show_all_choices,
+               permission => $permission->{'create'} && $cancreate->{'Community'},
                #help => '',
                icon => 'crsnew.png',
                linktitle => 'Create a new collaborative community by completing an online form.'
@@ -748,7 +797,7 @@ sub print_intro_page {
           {
                linktext => 'Create courses/communities by uploading an attributes file',
                url => '/adm/createcourse?phase=batchone',
-               permission => 1,
+               permission => $permission->{'create'},
                help => 'Batch_Creation',
                icon => 'uplcrs.png',
                linktitle => 'Upload an attributes file containing specifications for one or more courses or communities in XML format.'
@@ -758,7 +807,7 @@ sub print_intro_page {
        { categorytitle => 'Course/Community Requests',
        items => [
            {
-               linktext => 'Approve or reject requests',
+               linktext => $approve,
                url => '/adm/createcourse?phase=requestdisplay',
                permission => $show_all_choices,
                #help => '',
@@ -819,43 +868,68 @@ sub upload_batchfile {
 
 sub process_batchfile {
     my $r = shift;
-    my $start_page =
-        &Apache::loncommon::start_page('Create a New Course or Community');
-    my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Creation Outcome','Create_Course',undef,'Create_Courses');
-    my $end_page =
-        &Apache::loncommon::end_page();
     my $defdom=$env{'request.role.domain'};
-    my $batchfilepath=&Apache::lonnet::userfileupload('coursecreatorxml',undef,
-                                                      'batchupload',undef,undef,
-                                                       undef,undef,$defdom);
-    my ($batchdir,$filename) = ($batchfilepath =~ m-^(.+)/pending/([^/]+)$-);
-    my ($result,$logmsg);
-    if (-e "$batchfilepath") {
-        open(FILE,"<$batchfilepath");
-        my @buffer = <FILE>;
-        close(FILE);
-        if ((defined($filename)) && (defined($batchdir))) {
-            my @requests = ($filename);
-            my %courseids = ();
-            ($result,$logmsg) = &LONCAPA::batchcreatecourse::create_courses(
-                                        \@requests,\%courseids,'web',$defdom,
-                                        $env{'user.name'},$env{'user.domain'});
-            if ($result) {
-                if (!-e "$batchdir/processed") {
-                    mkdir("$batchdir/processed", 0755);
-                    open(FILE,">$batchdir/processed/$filename");
-                    print FILE @buffer;
+    my $uname = $env{'user.name'};
+    my $udom = $env{'user.domain'};
+    my $dir = &LONCAPA::tempdir().'addcourse';
+    my ($result,$logmsg,$keysmsg,$codesref,$instcodesref);
+    if (($defdom =~ /^$match_domain$/) && ($uname =~ /^$match_username$/) && ($udom =~/^$match_domain$/)) {
+        my $batchfilepath=&Apache::lonnet::userfileupload('coursecreatorxml',undef,
+                                                          'batchupload',undef,undef,
+                                                          undef,undef,$defdom);
+        if ($batchfilepath =~ m{^(\Q$dir/$defdom/web/$uname\E_\Q$udom\E)/pending/([^/]+)$}) {
+            my ($batchdir,$filename) = ($1,$2);
+            if (-e "$batchfilepath") {
+                if (open(FILE,"<",$batchfilepath)) {
+                    my @buffer = <FILE>;
                     close(FILE);
-                    if (-e "$batchdir/processed/$filename") {
-                        unlink("$batchdir/pending/$filename");
+                    if ((defined($filename)) && (defined($batchdir))) {
+                        my @requests = ($filename);
+                        my %courseids = ();
+                       ($result,$logmsg,$keysmsg,$codesref,$instcodesref) =
+                            &LONCAPA::batchcreatecourse::create_courses(
+                                       \@requests,\%courseids,'web',$defdom,
+                                       $uname,$udom);
+                        if (keys(%courseids) > 0) {
+                            if (!-e "$batchdir/processed") {
+                                mkdir("$batchdir/processed", 0755);
+                            }
+                            if (-d "$batchdir/processed") {
+                                if (open(FILE,">","$batchdir/processed/$filename")) {
+                                    print FILE @buffer;
+                                    close(FILE);
+                                }
+                            }
+                            if (-e "$batchdir/processed/$filename") {
+                                unlink("$batchdir/pending/$filename");
+                            }
+                            my $updatecats;
+                            if ((ref($instcodesref) eq 'HASH') && (keys(%{$instcodesref}) > 0)) {
+                                &Apache::lonnet::devalidate_cache_new('instcats',$defdom);
+                                $updatecats = 1;
+                            }
+                            &register_cleanups($r,$defdom,$updatecats);
+
+                        }
                     }
+                } else {
+                    $result = '<p class="LC_error">'.&mt('Could not open attributes file.').'<br />'.&mt('No courses created.').'</p>';
                 }
+            } else {
+                $result = '<p class="LC_error">'.&mt('No uploaded attributes file found.').'<br />'.&mt('No courses created.').'</p>';
             }
+        } else {
+            $result = '<p class="LC_error">'.&mt('Invalid path to attributes file.').'<br />'.&mt('No courses created.').'</p>';
         }
+    } else {
+        $result = '<p class="LC_error">'.&mt("Your username, domain, and/or your current role's domain are missing or contain invalid characters.").
+                  '<br />'.&mt('No courses created.').'</p>';
     }
-    $r->print($start_page.$crumbs.$logmsg.$result.'<br /><a href="/adm/createcourse">'.
-              &mt('Creation options menu').'</a>'.$end_page);
- 
+    $r->print(&Apache::loncommon::start_page('Create a New Course, Community or Placement Test').
+              &Apache::lonhtmlcommon::breadcrumbs('Creation Outcome','Create_Course',undef,'Create_Courses').
+              $logmsg.$result.'<br /><a href="/adm/createcourse">'.
+              &mt('Creation options menu').'</a>'.
+              &Apache::loncommon::end_page());
 }
 
 sub courserequestbrowser_javascript {
@@ -1142,7 +1216,7 @@ sub creation_display_filter {
                         $typename = $typenames->{$type};
                     }
                 }
-                $output .= '<option value="'.$type.'"'.$selstr.'>'.$typename.'</option>'."\n";
+                $output .= '<option value="'.$type.'"'.$selstr.'>'.&mt($typename).'</option>'."\n";
             }
             $output .= '</select></td>';
         }
@@ -1229,6 +1303,58 @@ ENDJS
 
 }
 
+sub get_permission {
+    my ($dom) = @_;
+    my ($allowed,%permission);
+    if (&Apache::lonnet::allowed('ccc',$dom)) {
+        $allowed = 1;
+        %permission = (
+            create => 1,
+        );
+    } elsif (&Apache::lonnet::allowed('dcc',$dom)) {
+        $allowed = 1;
+    }
+    return ($allowed,\%permission);
+}
+
+sub register_cleanups {
+    my ($r,$cdom,$updatecats) = @_;
+    # Flush the course logs so reverse user roles immediately updated
+    unless ($registered_flush) {
+        my $handlers = $r->get_handlers('PerlCleanupHandler');
+        $r->set_handlers('PerlCleanupHandler' => [\&Apache::lonnet::flushcourselogs,@{$handlers}]);
+        $registered_flush=1;
+    }
+    # Update cache of self-cataloging courses on institution's server(s).
+    if ($updatecats) {
+        if (&Apache::lonnet::shared_institution($cdom)) {
+            unless ($registered_instcats) {
+                my $handlers = $r->get_handlers('PerlCleanupHandler');
+                $r->set_handlers('PerlCleanupHandler' => [\&devalidate_remote_instcats,@{$handlers}]);
+                $registered_instcats=1;
+                $modified_dom = $cdom;
+            }
+        }
+    }
+    return;
+}
+
+sub devalidate_remote_instcats {
+    if ($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;
+}
+
 # ===================================================================== Handler
 sub handler {
     my $r = shift;
@@ -1239,14 +1365,31 @@ sub handler {
        return OK;
     }
 
-    my $show_all_choices = 0;
-    my $primary_rev = &Apache::lonnet::get_server_loncaparev($env{'request.role.domain'});
-    if (($primary_rev ne 'refused') && ($primary_rev ne 'error') &&
-        ($primary_rev ne 'unknown_cmd') && ($primary_rev ne 'no_such_host')) {
-        $show_all_choices = 1;
-    }
+    $registered_flush = 0;
+    $registered_instcats = 0;
+    $modified_dom = '';
+
+    my ($allowed,$permission) = &get_permission($env{'request.role.domain'});
+    if ($allowed) {
+        my $show_all_choices = 0;
+        my $primary_rev = &Apache::lonnet::get_server_loncaparev($env{'request.role.domain'});
+        my %cancreate = (
+                           Community => 0,
+                        );
+        if (($primary_rev ne 'refused') && ($primary_rev ne 'error') &&
+            ($primary_rev ne 'unknown_cmd') && ($primary_rev ne 'no_such_host')) {
+            $show_all_choices = 1;
+            my ($primary_major,$primary_minor) = split(/\./,$primary_rev);
+            foreach my $key (keys(%cancreate)) {
+                my ($needsmajor,$needsminor) =
+                    split(/\./,$Apache::lonnet::needsrelease{'course:crstype:'.$key});
+                unless (($needsmajor > $primary_major) ||
+                        (($needsmajor == $primary_major) && ($needsminor > $primary_minor))) {
+                    $cancreate{$key} = 1;
+                }
+            }
+        }
 
-    if (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'})) {
        &Apache::loncommon::content_type($r,'text/html');
        $r->send_http_header;
 
@@ -1257,9 +1400,10 @@ sub handler {
           ({href=>"/adm/createcourse",
             text=>"Creation Options",
             faq=>79,bug=>'Dom Coord Interface',});
-       if (($env{'form.phase'} eq 'coursetwo') ||
-           (($env{'form.phase'} eq 'grouptwo') && 
-            ($show_all_choices))) { 
+       if (($permission->{'create'}) &&
+           (($env{'form.phase'} eq 'coursetwo') ||
+            (($env{'form.phase'} eq 'grouptwo') &&
+            ($cancreate{'Community'})))) {
            &Apache::lonhtmlcommon::add_breadcrumb
                  ({href=>"/adm/createcourse?phase=$env{'form.prevphase'}",
                    text=>&mt('[_1] Creation Settings',),
@@ -1269,21 +1413,24 @@ sub handler {
                    text=>"Creation Outcome",
                    faq=>9,bug=>'Dom Coord Interface',});
            &create_course($r);
-       } elsif (($env{'form.phase'} eq 'courseone') || 
-                (($env{'form.phase'} eq 'groupone') && 
-                ($show_all_choices))) {
+       } elsif (($permission->{'create'}) &&
+                (($env{'form.phase'} eq 'courseone') ||
+                 (($env{'form.phase'} eq 'groupone') &&
+                 ($cancreate{'Community'})))) {
            &Apache::lonhtmlcommon::add_breadcrumb
                  ({href=>"/adm/createcourse?phase=$env{'form.phase'}",
                    text=>&mt('[_1] Creation Settings',),
                    faq=>9,bug=>'Dom Coord Interface',});
 	   &print_course_creation_page($r);
-       } elsif ($env{'form.phase'} eq 'batchone') {
+       } elsif (($permission->{'create'}) &&
+                ($env{'form.phase'} eq 'batchone')) {
            &Apache::lonhtmlcommon::add_breadcrumb
                  ({href=>"/adm/createcourse?phase=$env{'form.phase'}",
                    text=>"Upload Description File",
                    faq=>9,bug=>'Dom Coord Interface',});
            &upload_batchfile($r);
-       } elsif ($env{'form.phase'} eq 'batchtwo') {
+       } elsif (($permission->{'create'}) &&
+                ($env{'form.phase'} eq 'batchtwo')) {
            &Apache::lonhtmlcommon::add_breadcrumb
                  ({href=>"/adm/createcourse?phase=$env{'form.prevphase'}",
                    text=>"Upload Description File",
@@ -1300,12 +1447,17 @@ sub handler {
                    faq=>9,bug=>'Dom Coord Interface',});
            my $js = &courserequestbrowser_javascript();
            my $start_page=&Apache::loncommon::start_page('Display Requests',$js);
-           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Requests','Course_Request',undef,'Course_Request');
+           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Requests','Course_Requests',undef,'Course_Requests');
+           my $context = 'domain';
+           unless ($permission->{'create'}) {
+               $context = 'helpdesk';
+           }
            $r->print($start_page.$crumbs."\n".'<div>'.
                      &Apache::loncoursequeueadmin::display_queued_requests(
-                         'domain',$env{'request.role.domain'}).'</div>'.
+                         $context,$env{'request.role.domain'}).'</div>'.
                      &Apache::loncommon::end_page());
-       } elsif (($env{'form.phase'} eq 'requestchange') && ($show_all_choices)) {
+       } elsif (($permission->{'create'}) &&
+                ($env{'form.phase'} eq 'requestchange') && ($show_all_choices)) { 
            if ($env{'form.queue'} eq 'pending') {
                &Apache::lonhtmlcommon::add_breadcrumb
                    ({href=>"/adm/createcourse?phase=pendingdisplay",
@@ -1322,7 +1474,7 @@ sub handler {
                  text=>&mt('[_1] Requests Updated',),
                  faq=>9,bug=>'Dom Coord Interface',},);
            my $start_page=&Apache::loncommon::start_page('Update Requests Result');
-           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Requests Updated','Course_Request',undef,'Course_Request');
+           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Requests Updated','Course_Requests',undef,'Course_Requests');
            $r->print($start_page.$crumbs."\n".'<div>'.
                      &Apache::loncoursequeueadmin::update_request_queue(
                      'domain',$env{'request.role.domain'}).'</div>'.
@@ -1334,12 +1486,17 @@ sub handler {
                    faq=>9,bug=>'Dom Coord Interface',});
            my $js = &courserequestbrowser_javascript();
            my $start_page=&Apache::loncommon::start_page('Display Pending Queue',$js);
-           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Pending Queue','Course_Request',undef,'Course_Request');
+           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Pending Queue','Course_Requests',undef,'Course_Requests');
+           my $context = 'pending';
+           unless ($permission->{'create'}) {
+               $context = 'displaypending';
+           }
            $r->print($start_page.$crumbs."\n".'<div>'.
                      &Apache::loncoursequeueadmin::display_queued_requests(
-                         'pending',$env{'request.role.domain'}).'</div>'.
+                         $context,$env{'request.role.domain'}).'</div>'.
                      &Apache::loncommon::end_page());
-       } elsif (($env{'form.phase'} eq 'requestvalidation') && ($show_all_choices)) {
+       } elsif (($permission->{'create'}) &&
+                ($env{'form.phase'} eq 'requestvalidation') && ($show_all_choices)) { 
            my $js = &courserequestbrowser_javascript();
            &Apache::lonhtmlcommon::add_breadcrumb
                  ({href=>"/adm/createcourse?phase=pendingdisplay",
@@ -1347,7 +1504,7 @@ sub handler {
                  {href=>"/adm/createcourse?phase=requestvalidation",
                    text=>&mt('Validation Attempted'),},);
            my $start_page=&Apache::loncommon::start_page('Requests Validation Result',$js);
-           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Validation Attempted','Course_Request',undef,'Course_Request');
+           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Validation Attempted','Course_Requests',undef,'Course_Requests');
            $r->print($start_page.$crumbs."\n".'<div>'.
                      &Apache::loncoursequeueadmin::process_official_reqs('domain',$env{'request.role.domain'}).'</div>'.
                      &Apache::loncommon::end_page());
@@ -1361,12 +1518,12 @@ sub handler {
                     '// ]]>'."\n".
                     '</script>';
            my $start_page=&Apache::loncommon::start_page('Course/Community Creation Logs',$js);
-           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Created Courses/Communities','Creation_Log',undef,'Creation_Log');
+           my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Created Courses/Communities','Course_Creation_Log',undef,'Course_Creation_Log');
            $r->print($start_page.$crumbs."\n".'<div>');
            &print_creation_logs($r);
            $r->print('</div>'.&Apache::loncommon::end_page());
        } else {
-           &print_intro_page($r,$show_all_choices);
+           &print_intro_page($r,$show_all_choices,\%cancreate,$permission);
        }
    } else {
       $env{'user.error.msg'}=