# The LearningOnline Network
# Utilities to administer domain course requests and course self-enroll requests
#
# $Id: loncoursequeueadmin.pm,v 1.58 2017/08/03 16:28:39 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
###

=pod

=head1 NAME

Apache::loncoursequeueadmin.pm

=head1 SYNOPSIS

Utilities used by domain coordinators to administer queued course creation requests,
and by course coordinators for queued self-enrollment requests, and by general
users to display their queued self-enrollment requests.  

This is part of the LearningOnline Network with CAPA project
described at http://www.lon-capa.org.

=head1 SUBROUTINES

=over

=item send_selfserve_notification()

=item display_queued_requests()

=item build_queue_display()

=item update_request_queue()

=item get_student_counts()

=item course_creation()

=item build_batchcreatehash()
 
=item can_clone_course()

=item get_processtype()

=item queued_selfenrollment()

=item update_coursereq_status()

=item process_official_reqs()

=item is_active_author()

=item author_prompt()

=item reqauthor_check()

=item process_reqauthor()

=back

=cut

package Apache::loncoursequeueadmin;

use strict;
use Apache::lonnet;
use Apache::loncommon;
use Apache::lonmsg;
use Apache::lonlocal;
use Apache::lonuserutils;
use LONCAPA::batchcreatecourse;
use LONCAPA qw(:DEFAULT :match);

sub send_selfserve_notification {
    my ($notifylist,$textstr,$cid,$contextdesc,$timestamp,$context,$sender,
        $approvedlist,$rejectedlist,$crstype) = @_;
# FIXME locallocaltime needs to be able to take $sender_lh as an argument
#       so this can be localized to the recipients date display format/time zone
    $timestamp =&Apache::lonlocal::locallocaltime($timestamp);
    my ($msgcc,$rawsubj,@rawmsg,$subject,$message,$reviewer,$msgtxt);
    my ($senderuname,$senderudom) = split(':',$sender);
    if ($context eq 'coursemanagers') {
        $rawsubj = 'Self-enrollment requests processed';
        push(@rawmsg,{
                      mt => 'Enrollment requests in the following course: [_1] have been processed.',
                      args => ["\n$contextdesc\n"],
                     });
    } elsif ($context eq 'domainmanagers') {
        $rawsubj = 'Course/Community requests reviewed';
        push(@rawmsg,{
                      mt  => 'Course/Community creation requests in the following domain: [_1] have been reviewed.',
                      args => ["\n$contextdesc\n"],
                     });
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'authormanagers') {
        $rawsubj = 'Authoring Space requests reviewed';
        push(@rawmsg,{
                      mt  => 'Authoring requests in the following domain: [_1] have been reviewed.',
                      args => ["\n$contextdesc\n"],
                     });
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'usernamemanagers') {
        $rawsubj = 'LON-CAPA account requests reviewed';
        push(@rawmsg,{
                      mt  => 'Account requests in the following domain: [_1] have been reviewed.',
                      args => ["\n$contextdesc\n"],
                     });
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'enroller') {
        $rawsubj = 'Enrollment request';
        if ($crstype eq 'community') {
            $msgtxt = 'Your request for enrollment in the following community: [_1]requested on [_2]has been reviewed by a Coordinator.'
        } else {
            $msgtxt = 'Your request for enrollment in the following course: [_1]requested on [_2]has been reviewed by a Course Coordinator.';
        } 
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => ["\n  ".$contextdesc.",\n",$timestamp.",\n"],

                     });
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'courserequestor') {
        if ($crstype eq 'Community') {
            $rawsubj = 'Community request';
            $msgtxt = 'Your request for creation of the following community: [_1]requested on [_2]has been reviewed by a Domain Coordinator.';
        } else {
            $rawsubj = 'Course request';
            $msgtxt = 'Your request for creation of the following course: [_1]requested on [_2]has been reviewed by a Domain Coordinator.';
        }
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => ["\n".$contextdesc.",\n",$timestamp.",\n"],

                     });
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'pendingrequestor') {
        if ($crstype eq 'Community') {
            $rawsubj = 'Community request';
        } else {
            $rawsubj = 'Processed course request';
        }
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'coursereq') {
        if ($crstype eq 'community') {
            $rawsubj = 'Community request to review';
            $msgtxt = 'Creation of the following community: [_1]was requested by [_2] on [_3].';
        } else {
            $rawsubj = 'Course request to review';
            $msgtxt = 'Creation of the following course: [_1]was requested by [_2] on [_3].';
        }
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => ["\n  $contextdesc\n",$textstr,$timestamp],
                     },
                     {
                      mt =>'[_1]As Domain Coordinator, use: [_2]Main Menu -> Course and community creation -> Approve or reject requests[_3]to display a list of pending requests, which you can either approve or reject.',
                      args => ["\n","\n\n","\n\n"],
                     });
    } elsif ($context eq 'selfenrollreq') {
        $rawsubj = 'Self-enrollment request';
        if ($crstype eq 'community') {
            $msgtxt = 'Enrollment in the following community: [_1]was requested by [_2] on [_3].'
        } else {
            $msgtxt = 'Enrollment in the following course: [_1]was requested by [_2] on [_3].'
        }
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => ["\n  $contextdesc\n",$textstr,$timestamp."\n"],
                     });
        my $directions;  
        if ($crstype eq 'community') {
            $directions = 'As Coordinator, use: [_1]Main Menu -> Manage Community Users -> Enrollment Requests[_2]to display a list of pending enrollment requests, which you can either approve or reject.';
        } else {
            $directions = 'As Course Coordinator, use: [_1]Main Menu -> Manage Course Users -> Enrollment Requests[_2]to display a list of pending enrollment requests, which you can either approve or reject.';
        }
        push(@rawmsg,
                     {
                      mt   => $directions,
                      args => ["  \n\n","\n"],
                     });
    } elsif ($context eq 'authorreq') {
        $rawsubj = 'Authoring Space request to review';
        $msgtxt = 'Assignment of an author role in the [_1] domain[_2]was requested by [_3] on [_4].';
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => [$contextdesc,"\n",$textstr,$timestamp],
                     },
                     {
                      mt =>'[_1]As Domain Coordinator, use: [_2]Main Menu -> Create users or modify the roles and privileges of users -> Authoring Space requests[_3]to display a list of pending requests, which you can either approve or reject.',
                      args => ["\n","\n\n  ","\n\n"],
                     });
    } elsif ($context eq 'requestauthor') {
        $rawsubj = 'Authoring Space request';
        $msgtxt = 'Your request for an Authoring Space requested on [_1]has been reviewed by a Domain Coordinator.';
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => [$timestamp."\n"],
                     });
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'usernamereq') {
        $rawsubj = 'LON-CAPA account request';
        $msgtxt = 'Creation of a LON-CAPA account in the [_1] domain[_2]was requested by [_3] on [_4].';
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => [$contextdesc,"\n",$textstr,$timestamp],
                     },
                     {
                      mt =>'[_1]As Domain Coordinator, use: [_2]Main Menu -> Create users or modify the roles and privileges of users
 -> LON-CAPA account requests[_3]to display a list of pending requests, which you can either approve or reject.',
                      args => ["\n","\n\n  ","\n\n"],
                     });
    } elsif ($context eq 'requestusername') {
        $rawsubj = 'LON-CAPA account request';
        $msgtxt = 'Your request for a LON-CAPA account requested on [_1]has been reviewed by a Domain Coordinator.';
        push(@rawmsg,{
                      mt  => $msgtxt,
                      args => [$timestamp."\n"],
                     });
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'uniquecode') {
        $rawsubj = 'Course Identifier';
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'queuedcrsreq') {
        $rawsubj = 'Course Request Queued';
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    } elsif ($context eq 'createdcrsreq') {
        $rawsubj = 'Course Creation Information';
        if (ref($textstr) eq 'ARRAY') {
            push(@rawmsg,@{$textstr});
        }
    }
    my @to_notify = split(/,/,$notifylist);
    my $numsent = 0;
    my @recusers;
    my @recudoms;
    foreach my $cc (@to_notify) {
        my ($ccname,$ccdom) = split(/:/,$cc);
        if (!exists($msgcc->{$ccname.':'.$ccdom})) {
            push(@recusers,$ccname);
            push(@recudoms,$ccdom);
            $msgcc->{$ccname.':'.$ccdom}='';
            $numsent ++;
        }
    }
    my %reciphash = (
                     cc => $msgcc,
    );
    my ($uname,$udom,$need_temp_env);
    if ($sender =~ /:/) {
        ($uname,$udom) = split(/:/,$sender);
        if ($context eq 'usernamereq') {
            unless ($env{'user.name'} && $env{'user.domain'}) {
                $need_temp_env = 1;
            }
        }
    } elsif ($context eq 'course') {
        $uname = $sender;
        my %courseinfo = &Apache::lonnet::coursedescription($cid);
        $udom = $courseinfo{'num'};
    }
    my %sentmessage;
    my $stamp = time;
    my $msgcount = &Apache::lonmsg::get_uniq();
    my $sender_lh = &Apache::loncommon::user_lang($uname,$udom,$cid);
    $subject = &Apache::lonlocal::mt_user($sender_lh,$rawsubj);
    $message = '';
    foreach my $item (@rawmsg) {
        if (ref($item) eq 'HASH') {
            $message .= &Apache::lonlocal::mt_user($sender_lh,$item->{mt},@{$item->{args}})."\n";
        }
    }
    &Apache::lonmsg::process_sent_mail($subject,'',$numsent,$stamp,$uname,$udom,$msgcount,$cid,$$,$message,
                                       \@recusers,\@recudoms,undef,undef,undef,undef,$senderuname,$senderudom);
    my ($recipid,$recipstatus) = &Apache::lonmsg::store_recipients($subject,$uname,$udom,\%reciphash);
    my $status;
    if ($need_temp_env) {
        $env{'user.name'} = $uname;
        $env{'user.domain'} = $udom;
    }
    foreach my $recip (sort(keys(%{$msgcc}))) {
        my ($ccname,$ccdom) = split(/:/,$recip);
        my $recip_lh = &Apache::loncommon::user_lang($ccname,$ccdom,$cid);
        my $subject = &Apache::lonlocal::mt_user($sender_lh,$rawsubj);
        my $message = '';
        foreach my $item (@rawmsg) {
            if (ref($item) eq 'HASH') {
                $message .= &Apache::lonlocal::mt_user($sender_lh,$item->{mt},
                                                       @{$item->{args}})."\n";
            }
        }
        if ($context eq 'coursemanagers') {
            if ($approvedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Approved enrollments:')."\n".$approvedlist;
            }
            if ($rejectedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Rejected enrollments:')."\n".$rejectedlist;
            }
        } elsif ($context eq 'domainmanagers') {
            if ($approvedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Approved course requests:')."\n".$approvedlist;
            }
            if ($rejectedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Rejected course requests:')."\n".$rejectedlist;
            }
        } elsif ($context eq 'authormanagers') {
            if ($approvedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Approved author role requests:')."\n".$approvedlist;
            }
            if ($rejectedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Rejected author role requests:')."\n".$rejectedlist;
            }
        } elsif ($context eq 'usernamemanagers') {
            if ($approvedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Approved LON-CAPA account requests:')."\n".$approvedlist;
            }
            if ($rejectedlist) {
                $message .= "\n\n".&Apache::lonlocal::mt_user($sender_lh,'Rejected LON-CAPA account requests:')."\n".$rejectedlist;
            }
        }
        $status .= &Apache::lonmsg::user_normal_msg($ccname,$ccdom,$subject,$message,undef,undef,undef,1,
                                                    \%sentmessage,undef,undef,undef,1,$recipid).',';
    }
    $status =~ s/,$//;
    if ($need_temp_env) {
        undef($env{'user.name'});
        undef($env{'user.domain'});
    }
    return ($recipstatus,$status);
}

sub display_queued_requests {
    my ($context,$dom,$cnum) = @_;
    my ($namespace,$formaction,$nextelement,%requesthash);
    if ($context eq 'course') {
        $formaction = '/adm/createuser';
        $namespace = 'selfenrollrequests';
        %requesthash = &Apache::lonnet::dump($namespace,$dom,$cnum);
        $nextelement = '<input type="hidden" name="state" value="done" />';
    } elsif ($context eq 'requestauthor') {
        $formaction = '/adm/createuser';
        $namespace = 'requestauthorqueue';
        %requesthash = &Apache::lonnet::dump_dom($namespace,$dom);
        $nextelement = '<input type="hidden" name="state" value="done" />';
    } elsif ($context eq 'requestusername') {
        $formaction = '/adm/createuser';
        $namespace = 'usernamequeue';
        %requesthash = &Apache::lonnet::dump_dom($namespace,$dom);
        $nextelement = '<input type="hidden" name="state" value="done" />';
    } else {
        $formaction = '/adm/createcourse';
        $namespace = 'courserequestqueue';
        my $disposition = 'approval';
        my $nextphase = 'requestchange';
        if ($context eq 'pending') {
            $disposition = 'pending';
            $nextphase = 'requestvalidation';
        } elsif ($context eq 'displaypending') {
            $disposition = 'pending';
        }
        %requesthash = &Apache::lonnet::dump_dom($namespace,$dom,'_'.$disposition);
        $nextelement = '<input type="hidden" name="phase" value="'.$nextphase.'" />';
    }
    my ($output,%queue_by_date);
    if (keys(%requesthash) > 0) {
        $output = '<form method="post" name="changequeue" action="'.$formaction.'" />'."\n".
                  '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />'."\n".
                  $nextelement."\n";
        foreach my $item (keys(%requesthash)) {
            my ($timestamp,$entry,$pending);
            if ($context eq 'course') {
                ($timestamp, my $usec) = split(/:/,$requesthash{$item});
                $entry = $item.':'.$usec;
            } elsif ($context eq 'requestauthor') {
                $timestamp = $requesthash{$item};
                ($entry) = ($item =~ /^($match_username)_approval$/);
            } elsif ($context eq 'requestusername') {
                $timestamp = $requesthash{$item};
                ($entry) = (&unescape($item) =~ /^($match_username)_approval$/);
            } else {
                $timestamp = $requesthash{$item}{'timestamp'};
                if (ref($requesthash{$item}) eq 'HASH') {
                    my ($cnum,$disposition) = split('_',$item);
                    $entry = $cnum.':'.$requesthash{$item}{'ownername'}.':'.
                             $requesthash{$item}{'ownerdom'}.':';
                    if (($context eq 'pending') || ($context eq 'displaypending')) {
                        $entry .= $requesthash{$item}{'instcode'};
                    } else {
                        $entry .= $requesthash{$item}{'crstype'};
                    }
                    $entry .= ':'.$requesthash{$item}{'description'};
                }
            }
            if ($entry ne '') {
                if (ref($queue_by_date{$timestamp}) eq 'ARRAY') {
                    push(@{$queue_by_date{$timestamp}},$entry);
                } else {
                    $queue_by_date{$timestamp} = [$entry];
                }
            }
        }
        if (keys(%queue_by_date) > 0) {
            if ($context eq 'course') {
                $output .=  '<h3>'.&mt('Self-enrollment requests queued pending approval by a Coordinator').'</h3>';
            } elsif (($context eq 'pending') || ($context eq 'displaypending')) {
                $output .= '<h3>'.&mt('Requests for official courses queued pending validation').'</h3>'.
                           '<p>'.&mt('Requests are validated against institutional data to confirm that the requestor is an instructor of record.').'<br />'.
                           &mt('Validation is attempted when the request is submitted.').' '.
                           &mt('If unvalidated, the request will be held in a queue.').' '.
                           &mt('Validation of pending requests is automatically repeated daily.').'</p>';
            } elsif ($context eq 'requestauthor') {
                $output .= '<h3>'.&mt('Requests for Authoring Space queued pending approval by a Domain Coordinator').'</h3>';
            } elsif ($context eq 'requestusername') {
                $output .= '<h3>'.&mt('Requests for LON-CAPA accounts queued pending approval by a Domain Coordinator').'</h3>';
            } else {
                $output .= '<h3>'.&mt('Course/Community requests queued pending approval by a Domain Coordinator').'</h3>';
            } 
            $output .= &build_queue_display($dom,$context,\%queue_by_date).
                       '<input type="hidden" name="queue" value="approval" />';
        } else {
            $output .= '<div class="LC_info">';
            if ($context eq 'course') {
                $output .= &mt('There are currently no enrollment requests awaiting approval.');
            } elsif ($context eq 'pending') {
                $output .= &mt('There are currently no requests for official courses awaiting validation.');
            } elsif ($context eq 'requestauthor') {
                $output .= &mt('There are currently no requests for Authoring Space awaiting approval.');
            } elsif ($context eq 'requestusername') {
                $output .= &mt('There are currently no requests for LON-CAPA accounts awaiting approval.');
            } elsif ($context eq 'domain') {
                $output .= &mt('There are currently no course or community requests awaiting approval.');
            }
            $output .= '</div>'; 
        }
        if ($context eq 'pending') {
            $output .= '<br /><input type="submit" name="validationcheck" value="'.
                       &mt('Validate').'" /><br />'."\n".
                       '<p>'.&mt('Any course/community requests which are successfully validated will be created immediately.').' '.
                             &mt('Unvalidated requests will be listed for manual approval/rejection.').'</p>';
        } elsif (($context ne 'helpdesk') && ($context ne 'displaypending')) {
            $output .= '<br /><input type="submit" name="processqueue" value="'.&mt('Save').'" />';
        }
        $output .= '</form>';
    } else {
        $output .= '<div class="LC_info">';
        if ($context eq 'course') {
            $output .= &mt('There are currently no enrollment requests awaiting approval.');
        } elsif (($context eq 'pending') || ($context eq 'displaypending')) {
            $output .= &mt('There are currently no requests for official courses awaiting validation.');
        } elsif ($context eq 'requestauthor') {
            $output .= &mt('There are currently no requests for Authoring Space awaiting approval.');
        } elsif ($context eq 'requestusername') {
            $output .= &mt('There are currently no requests for LON-CAPA accounts awaiting approval.');
        } else {
            $output .= &mt('There are currently no course or community requests awaiting approval.');
        }
        $output .= '</div>';
    }
    return $output;
}

sub build_queue_display {
    my ($dom,$context,$queue) = @_;
    return unless (ref($queue) eq 'HASH');
    my %crstypes;
    my $output =  &Apache::loncommon::start_data_table().
                  &Apache::loncommon::start_data_table_header_row();
    unless (($context eq 'pending') || ($context eq 'displaypending') || ($context eq 'helpdesk')) { 
        $output .= '<th>'.&mt('Action').'</th>';
    }
    $output .= '<th>'.&mt('Requestor').'</th>';
    if ($context eq 'course') {
        $output .= '<th>'.&mt('Section').'</th>'.
                   '<th>'.&mt('Date requested').'</th>';
    } elsif ($context eq 'requestauthor') {
        $output .= '<th>'.&mt('Date requested').'</th>';
    } elsif ($context eq 'requestusername') {
        $output .= '<th>'.&mt('Date requested').'</th>'.
                   '<th>'.&mt('Details').'</th>';
    } elsif ($context eq 'pending' || $context eq 'displaypending' || $context eq 'stillpending') {
        $output .= '<th>'.&mt('Institutional code').'</th>'.
                   '<th>'.&mt('Date requested').'</th>'.
                   '<th>'.&mt('Details').'</th>';
    } else {
        %crstypes = &Apache::lonlocal::texthash (
                        official   => 'Official course',
                        unofficial => 'Unofficial course',
                        community  => 'Community',
                        textbook   => 'Textbook course',
                        placement  => 'Placement test',
                    );
        $output .= '<th>'.&mt('Type').'</th>'.
                   '<th>'.&mt('Date requested').'</th>'.
                   '<th>'.&mt('Details').'</th>';
    }
    $output .= &Apache::loncommon::end_data_table_header_row();
    my @sortedtimes = sort {$a <=> $b} (keys(%{$queue}));
    my $count = 0;
    foreach my $item (@sortedtimes) {
        if (ref($queue->{$item}) eq 'ARRAY') {
            foreach my $request (sort(@{$queue->{$item}})) {
                my ($row,$approve,$reject,$showtime,$showsec,$namelink,
                    $detailslink,$crstype,$instcode);
                $showtime = &Apache::lonlocal::locallocaltime($item);
                if ($context eq 'course') {
                    my ($puname,$pudom,$pusec) = split(/:/,$request);
                    $approve = $count.':'.$puname.':'.$pudom.':'.$pusec;
                    $reject = $puname.':'.$pudom;
                    $showsec = $pusec;
                    if ($showsec eq '') {
                        $showsec = &mt('none');
                    }
                    $namelink = &Apache::loncommon::aboutmewrapper(
                                &Apache::loncommon::plainname($puname,$pudom),
                                $puname,$pudom);
                } elsif ($context eq 'requestauthor') {
                    if (&Apache::lonnet::homeserver($request,$dom) ne 'no_host') {
                        $approve = $count.':'.$request;
                        $reject = $request; 
                        $namelink = &Apache::loncommon::aboutmewrapper(
                                    &Apache::loncommon::plainname($request,$dom),
                                    $request,$dom);
                    }
                } elsif ($context eq 'requestusername') {
                    if (&Apache::lonnet::homeserver($request,$dom) eq 'no_host') {
                        my $queued = 'approval';
                        $approve = $count.':'.$request;
                        $reject = $request;
                        $detailslink='<a href="javascript:openusernamereqdisplay('.
                                     "'$dom','$request','$queued'".');">'.$request.'</a>';
                        $namelink = $request;
                    }
                } else {
                    my ($cnum,$ownername,$ownerdom,$type,$cdesc);
                    my $queued = 'approval'; 
                    if ($context eq 'pending' || $context eq 'displaypending' || $context eq 'stillpending') {
                        ($cnum,$ownername,$ownerdom,$instcode,$cdesc)=split(/:/,$request,5);
                        $queued = 'pending';                        
                    } else {
                        ($cnum,$ownername,$ownerdom,$type,$cdesc)=split(/:/,$request,5);
                        $crstype = $type;
                        if (defined($crstypes{$type})) {
                            $crstype = $crstypes{$type};
                        }
                    }
                    $detailslink='<a href="javascript:opencoursereqdisplay('.
                                  "'$dom','$cnum','$queued'".');">'.$cdesc.'</a>';
                    $approve = $count.':'.$cnum;
                    $reject = $cnum;
                    $namelink = &Apache::loncommon::aboutmewrapper(
                                &Apache::loncommon::plainname($ownername,$ownerdom),
                                $ownername,$ownerdom);
                }
                unless (($context eq 'pending') || ($context eq 'displaypending') || ($context eq 'helpdesk')) {
                    $row = '<td><span class="LC_nobreak"><label>'.
                           '<input type="radio" value="'.$approve.'" name="'.$count.'radioreq" />'.&mt('Approve').'</label>'.
                           '<label>'.('&nbsp;'x2).
                           '<input type="radio" value="'.$reject.'" name="'.$count.'radioreq" />'.&mt('Reject').'</label>'.
                           '<label>'.('&nbsp;'x2).
                           '<input type="radio" value="'."later:".$reject.'" name="'.$count.'radioreq" checked />'.&mt('Decide Later').
                           '</label></span><br /></td>';
                }
                $row .= '<td>'.$namelink.'</td>'."\n";
                if ($context eq 'course') {
                    $row .= '<td>'.$showsec.'</td>'."\n".
                            '<td>'.$showtime.'</td>'."\n";
                } elsif ($context eq 'requestauthor') {
                    $row .= '<td>'.$showtime.'</td>'."\n";
                } elsif ($context eq 'requestusername') {
                    $row .= '<td>'.$showtime.'</td>'."\n".
                            '<td>'.$detailslink.'</td>'."\n";
                } else { 
                    if ($context eq 'pending' || $context eq 'displaypending' || $context eq 'stillpending') {
                        $row .= '<td>'.$instcode.'</td>'."\n";
                    } else {
                        $row .= '<td>'.$crstype.'</td>'."\n";
                    }
                    $row .= '<td>'.$showtime.'</td>'."\n".
                            '<td>'.$detailslink.'</td>'."\n";
                }
                $output .= &Apache::loncommon::start_data_table_row()."\n".
                           $row.
                           &Apache::loncommon::end_data_table_row()."\n";
                $count ++;
            }
        }
    }
    $output .= &Apache::loncommon::end_data_table();
    return $output;
}

sub update_request_queue {
    my ($context,$cdom,$cnum,$coursedesc) = @_;
    my ($output,$access_start,$access_end,$limit,$cap,$notifylist,$namespace,
        $stucounts,$idx,$classlist,%requesthash,$cid,$domdesc,$now,
        $sender,$approvedmsg,$rejectedmsg,$beneficiary,
        @existing,@missingreq,@invalidusers,@limitexceeded,@completed,
        @processing_errors,@warn_approves,@warn_rejects,@approvals,@warn_dels,
        @rejections,@rejectionerrors,@nopermissions,%courseroles,@toremove,
        %communityroles,%domdefs,%approvalmsg,%rejectionmsg,$crstype,$queue,
        $firsturl,$uniquecode,%codes);
    my $count=0;
    while (my $item = $env{'form.'.$count.'radioreq'}) {
        if ($item =~ /^\d+:/) {
            push(@approvals,$item);
        } elsif ($item !~ /^later:/) {
            push(@rejections,$item);
        }
        $count ++;
    }

    $now = time;
    $sender = $env{'user.name'}.':'.$env{'user.domain'};
    if ($context eq 'course') {
        $namespace = 'selfenrollrequests';
        $beneficiary = 'enroller';
        $cid = $env{'request.course.id'};
        $crstype = lc(&Apache::loncommon::course_type());
        $firsturl = &Apache::lonnet::course_portal_url($cnum,$cdom);
        %requesthash = &Apache::lonnet::dump($namespace,$cdom,$cnum);
        $access_start =  $env{'course.'.$cid.'.internal.selfenroll_start_access'};
        $access_end =  $env{'course.'.$cid.'.internal.selfenroll_end_access'};
        $limit = $env{'course.'.$cid.'.internal.selfenroll_limit'};
        $cap = $env{'course.'.$cid.'.internal.selfenroll_cap'};
        $notifylist = $env{'course.'.$cid.'.internal.selfenroll_notifylist'};
        ($stucounts,$idx,$classlist) = &get_student_counts($cdom,$cnum);
        $approvedmsg = [{
                            mt => 'Your request for enrollment has been approved.',
                        },
                        {
                            mt   => 'Visit [_1] to log-in and access the course',
                            args => [$firsturl],
                        }];
        $rejectedmsg =  [{
                            mt => 'Your request for enrollment has not been approved.',
                        }];
    } elsif ($context eq 'requestauthor') {
        $namespace = 'requestauthorqueue';
        $beneficiary = 'requestauthor';
        %requesthash = &Apache::lonnet::dump_dom($namespace,$cdom);
        my %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
        if (ref($domdefs{'requestauthor'}) eq 'HASH') {
            if (ref($domdefs{'requestauthor'}{'notify'}) eq 'HASH') {
                $notifylist = $domdefs{'requestauthor'}{'notify'}{'approval'};
            }
        }
        my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
        $firsturl = &Apache::lonnet::course_portal_url($domconfiguser,$cdom);
        $approvedmsg = [{
                            mt => 'Your request for Authoring Space has been approved.',
                        },
                        {
                            mt   => 'Visit [_1] to log-in and select your author role',
                            args => [$firsturl],
                        }];
        $rejectedmsg =  [{
                            mt => 'Your request for Authoring Space has not been approved.',
                        }];
        $domdesc = &Apache::lonnet::domain($cdom);
    } elsif ($context eq 'requestusername') {
        $namespace = 'usernamequeue';
        $beneficiary = 'requestusername';
        %requesthash = &Apache::lonnet::dump_dom($namespace,$cdom);
        my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$cdom);
        if (ref($domconfig{'usercreation'}) eq 'HASH') {
            if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
                if (ref($domconfig{'usercreation'}{'cancreate'}{'notify'}) eq 'HASH') {
                    $notifylist = $domconfig{'usercreation'}{'cancreate'}{'notify'}{'approval'};
                }
            }
        }
        my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
        $firsturl = &Apache::lonnet::course_portal_url($domconfiguser,$cdom);
        $approvedmsg = [{
                            mt => 'Your request for a LON-CAPA account has been approved.',
                        },
                        {
                            mt   => 'Visit [_1] to log-in.',
                            args => [$firsturl],
                        }];
        $rejectedmsg =  [{
                            mt => 'Your request for a LON-CAPA account has not been approved.',
                        }];
        $domdesc = &Apache::lonnet::domain($cdom);
    } else {
        $domdesc = &Apache::lonnet::domain($cdom);
        $namespace = 'courserequestqueue';
        $beneficiary = 'courserequestor';
        $queue = 'approval';
        if ($env{'form.queue'} eq 'pending') {
            $queue = 'pending';
        }
        %requesthash = &Apache::lonnet::dump_dom($namespace,$cdom,'_'.$queue);
        my %domconfig = &Apache::lonnet::get_dom('configuration',['requestcourses'],$cdom);
        if (ref($domconfig{'requestcourses'}) eq 'HASH') {
            if (ref($domconfig{'requestcourses'}{'notify'}) eq 'HASH') { 
                $notifylist = $domconfig{'requestcourses'}{'notify'}{'approval'};
            }
        }
        $approvalmsg{'course'} = 
                        [{
                            mt => 'Your course request has been approved.',
                        },
                        {
                            mt   => 'Visit [_1] to log-in and access the course',
                            args => [],
                        }];
        $rejectionmsg{'course'} =
                        [{
                            mt => 'Your course request has not been approved.',
                        }];

        $approvalmsg{'community'} = 
                        [{
                            mt => 'Your community request has been approved.',
                        },
                        {
                            mt   => 'Visit [_1] to log-in and access the community',
                            args => [],
                        }];

        $rejectionmsg{'community'} = 
                        [{
                            mt => 'Your community request has not been approved.',
                        }];

        %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
        my @roles = &Apache::lonuserutils::roles_by_context('course');
        foreach my $role (@roles) {
            $courseroles{$role}=&Apache::lonnet::plaintext($role,'Course');
        }
        foreach my $role (@roles) {
            $communityroles{$role}=&Apache::lonnet::plaintext($role,'Community');
        }
    }
    foreach my $item (sort {$a <=> $b} @approvals) {
        if ($context eq 'course') {
            my ($num,$uname,$udom,$usec) = split(/:/,$item);
            my $uhome = &Apache::lonnet::homeserver($uname,$udom);
            if ($uhome ne 'no_host') {
                if (exists($requesthash{$uname.':'.$udom})) {
                    if (exists($classlist->{$uname.':'.$udom})) {
                        if (ref($classlist->{$uname.':'.$udom}) eq 'ARRAY') {
                            if (($classlist->{$uname.':'.$udom}->[$idx->{'status'}] eq 'Active') ||
                                ($classlist->{$uname.':'.$udom}->[$idx->{'status'}] eq 'Future')) {
                                push(@existing,$uname.':'.$udom);
                                next;
                            }
                        }
                    }
                } else {
                    push(@missingreq,$uname.':'.$udom);
                    next;
                }
                if (!grep(/^\Q$item\E$/,@rejections)) {
                    if ($limit eq 'allstudents') {
                        if ($stucounts->{$limit} >= $cap) {
                            push(@limitexceeded,$uname.':'.$udom);
                            last;
                        }
                    } elsif ($limit eq 'selfenrolled') {
                        if ($stucounts->{$limit} >= $cap) {
                            push(@limitexceeded,$uname.':'.$udom);
                            last;
                        }
                    }
                    my $result =
                        &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$usec,$access_end,$access_start,'selfenroll',undef,$cdom.'_'.$cnum,1);
                    if ($result eq 'ok') {
                        push(@completed,$uname.':'.$udom);
                        $stucounts->{'allstudents'} ++;
                        $stucounts->{'selfenrolled'} ++;
                        &send_selfserve_notification($uname.':'.$udom,$approvedmsg,
                                       $cid,$coursedesc,$now,$beneficiary,$sender,
                                       undef,undef,$crstype);
                        my %userrequest = (
                            $cdom.'_'.$cnum => {
                                timestamp   => $now,
                                section     => $usec,
                                adjudicator => $env{'user.name'}.':'.$env{'user.domain'},
                                status      => 'approved',
                            }
                        );
                        my $userresult =
                            &Apache::lonnet::put($namespace,\%userrequest,$udom,$uname);
                        if ($userresult ne 'ok') {
                            push(@warn_approves,$uname.':'.$udom);
                        }
                    } else {
                        push(@processing_errors,$uname.':'.$udom);
                    }
                }
            } else {
                push(@invalidusers,$uname.':'.$udom);
            }
        } elsif ($context eq 'requestauthor') {
            my ($num,$uname) = split(/:/,$item);
            my $uhome = &Apache::lonnet::homeserver($uname,$cdom);
            if ($uhome ne 'no_host') {
                my ($user_is_adv,$user_is_author) = &Apache::lonnet::is_advanced_user($cdom,$uname);
                if ($user_is_author) {
                    push(@existing,$uname);
                } elsif (&Apache::lonnet::usertools_access($uname,$cdom,'requestauthor',
                                                           undef,'requestauthor')) {
                    if (&Apache::lonnet::allowed('cau',$cdom)) {
                        if (&Apache::lonnet::assignrole($cdom,$uname,'/'.$cdom.'/','au',undef,time,undef,undef,'requestauthor') eq 'ok') {
                            push(@completed,$uname);
                            &send_selfserve_notification($uname.':'.$cdom,
                                                         $approvedmsg,undef,undef,$now,
                                                         $beneficiary,$sender);
                            my %userrequest = (
                                author => {
                                          timestamp   => $now,
                                          adjudicator => $env{'user.name'}.':'.$env{'user.domain'},
                                          status      => 'approved',
                                        },
                                author_status => 'approved',
                            );
                            my $userresult =
                                &Apache::lonnet::put('requestauthor',\%userrequest,$cdom,$uname);
                            if ($userresult ne 'ok') {
                                push(@warn_approves,$uname.':'.$cdom);
                            }
                        } else {
                            push(@processing_errors,$uname);
                        }
                    } else {
                        push(@nopermissions,$uname);
                    }
                } else {
                    push(@nopermissions,$uname);
                }
            } else {
                push(@invalidusers,$uname.':'.$cdom);
            }
            push(@toremove,(@invalidusers,@nopermissions));
        } elsif ($context eq 'requestusername') {
            my ($num,$uname) = split(/:/,$item);
            my $dbname = 'nohist_requestedusernames';
            my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
            my %curr = &Apache::lonnet::get($dbname,[$uname],$cdom,$domconfiguser);

            if (ref($curr{$uname}) eq 'HASH') {
                my ($logtoken,$serverid,$encpass,$courseid,$id,$firstname,
                    $middlename,$lastname,$generation,$inststatus,$email);
                $curr{$uname}{'timestamp'} = $now;
                $curr{$uname}{'adjudicator'} = $env{'user.name'}.':'.$env{'user.domain'};
                $courseid   = $curr{$uname}{'courseid'};
                $id         = $curr{$uname}{'id'};
                $firstname  = $curr{$uname}{'firstname'};
                $middlename = $curr{$uname}{'middlename'};
                $lastname   = $curr{$uname}{'lastname'};
                $generation = $curr{$uname}{'generation'};
                $inststatus = $curr{$uname}{'inststatus'};

                if ($curr{$uname}{'email'} ne '') {
                    $email = $curr{$uname}{'email'};
                } elsif ($uname =~ /^[^\@]+\@[^\@]+$/) {
                    $email = $uname;
                }

                my $upass;
                if ($curr{$uname}{'tmpinfo'}) {
                    my ($key,$caller)=split(/&/,$curr{$uname}{'tmpinfo'});
                    if ($caller eq 'createaccount') {
                        if ($curr{$uname}{'upass'} eq '') {
                            $upass = $curr{$uname}{'upass'};
                        } else {
                            $upass = &Apache::loncommon::des_decrypt($key,$curr{$uname}{'upass'});
                        }
                    } else {
                        push(@processing_errors,$uname);
                    }
                } else {
                    $upass = $curr{$uname}{'upass'};
                }
                if ($upass eq '') {
                    push(@processing_errors,$uname);
                } else {
                    undef($curr{$uname}{'upass'});
                    my $result =
                        &Apache::lonnet::modifyuser($cdom,$uname,$id,'internal',$upass,
                                                    $firstname,$middlename,$lastname,
                                                    $generation,undef,undef,$email);
                    if ($result eq 'ok') {
                        $curr{$uname}{'status'} = 'created';
                        push(@completed,$uname); 
                        my $uhome = &Apache::lonnet::homeserver($uname,$cdom);
                        if ($uhome eq 'no_host') {
                            push(@warn_approves,$uname);
                        } else {
                            unless (($inststatus eq 'default') || ($inststatus eq '')) {
                                &Apache::lonnet::put('environment',{inststatus => $inststatus},$cdom,$uname);
                            }
                            &send_selfserve_notification($uname.':'.$cdom,
                                                         $approvedmsg,undef,undef,$now,
                                                         $beneficiary,$sender);
                            if (&Apache::lonnet::put($dbname,\%curr,$cdom,$domconfiguser) ne 'ok') {
                                push(@warn_approves,$uname);
                            }
                        }
                    } else {
                        push(@processing_errors,$uname);
                    }
                }
            } else {
                push(@invalidusers,$uname);
            }
            push(@toremove,@invalidusers);
        } else {
            my ($num,$cnum) = split(':',$item);
            if (ref($requesthash{$cnum.'_'.$queue}) eq 'HASH') {
                if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
                    my $ownername = $requesthash{$cnum.'_'.$queue}{'ownername'};
                    my $ownerdom = $requesthash{$cnum.'_'.$queue}{'ownerdom'};
                    $crstype = $requesthash{$cnum.'_'.$queue}{'crstype'};
                    my $coursedesc = $requesthash{$cnum.'_'.$queue}{'description'};
                    my $longroles = \%courseroles;
                    if ($crstype eq 'community') {
                        $longroles = \%communityroles;
                    }
                    my $cancreate;
                    if ($cdom eq $ownerdom) {
                        if (&Apache::lonnet::usertools_access($ownername,$ownerdom,$crstype,
                                                              undef,'requestcourses')) {
                            $cancreate = 1;
                        }
                    } else {
                        my %userenv = &Apache::lonnet::userenvironment($ownerdom,$ownername,'reqcrsotherdom.'.$crstype);
                        if ($userenv{'reqcrsotherdom.'.$crstype}) {
                            my @doms = split(',',$userenv{'reqcrsotherdom.'.$crstype});
                            if (grep(/^\Q$cdom\E:/,@doms)) {
                                $cancreate = 1;
                            }
                        }
                    }
                    if ($cancreate) {
                        my $requestkey = $cdom.'_'.$cnum;
                        my %history = 
                            &Apache::lonnet::restore($requestkey,'courserequests',
                                                     $ownerdom,$ownername);
                        if ((ref($history{'details'}) eq 'HASH') && 
                            ($history{'disposition'} eq $queue)) {
                            my ($logmsg,$newusermsg,$addresult,$enrollcount,$response,$keysmsg,$code,%customitems);
                            my $fullname = '';
                            my $inprocess = &Apache::lonnet::auto_crsreq_update($cdom,$cnum,$crstype,'process',$ownername,
                                                                                $ownerdom,$fullname,$coursedesc);
                            if (ref($inprocess) eq 'HASH') {
                                foreach my $key (keys(%{$inprocess})) {
                                    if (exists($history{'details'}{$key})) { 
                                        $customitems{$key} = $history{'details'}{$key};
                                    }
                                }
                            }
                            if ($history{'details'}{'clonecrs'}) {
                                $customitems{'_LC_clonefrom'} = $history{'details'}{'clonedom'}.'_'.$history{'details'}{'clonecrs'};
                            }
                            my ($result,$postprocess) = &course_creation($cdom,$cnum,$context,$history{'details'},\$logmsg,
                                                        \$newusermsg,\$addresult,\$enrollcount,
                                                        \$response,\$keysmsg,\%domdefs,$longroles,\$code,\%customitems);
                            if ($result eq 'created') {
                                if ($crstype eq 'community') {
                                    $approvedmsg = $approvalmsg{'community'};
                                } else {
                                    $approvedmsg = $approvalmsg{'course'};
                                }
                                my $firsturl = &Apache::lonnet::course_portal_url($cnum,$cdom);
                                if (ref($approvedmsg) eq 'ARRAY') {
                                    if (ref($approvedmsg->[1]) eq 'HASH') {
                                        $approvedmsg->[1]->{'args'} = [$firsturl];
                                    }
                                    if ($code) {
                                        push(@{$approvedmsg},
                                            {
                                              mt   => 'Students can automatically select your course by entering this code: [_1]',
                                              args => [$code],
                                            });
                                        $codes{$cnum} = $code;
                                    }
                                    if (ref($postprocess) eq 'HASH') {
                                        if (ref($postprocess->{'createdmsg'}) eq 'ARRAY') {
                                            foreach my $item (@{$postprocess->{'createdmsg'}}) {
                                                if (ref($item) eq 'HASH') {
                                                    if ($item->{'mt'} ne '') {
                                                        push(@{$approvedmsg},$item);
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                                push(@completed,$cnum);
                                
                                unless (&Apache::lonnet::del_dom($namespace,[$cnum.'_'.$queue],$cdom) eq 'ok') {
                                    push(@warn_dels,$cnum);
                                }
                                &send_selfserve_notification($ownername.':'.$ownerdom,
                                              $approvedmsg,$cid,$coursedesc,$now,
                                              $beneficiary,$sender,undef,undef,$crstype);
                                my %reqhash = (
                                                reqtime     => $history{'reqtime'},
                                                crstype     => $history{'crstype'},
                                                details     => $history{'details'},
                                                disposition => $history{'disposition'},
                                                status      => 'created',
                                                adjudicator => $env{'user.name'}.':'.
                                                               $env{'user.domain'},
                                              );
                                my $userresult =
                                    &Apache::lonnet::store_userdata(\%reqhash,$requestkey,
                                                   'courserequests',$ownerdom,$ownername);
                                if ($userresult eq 'ok') {
                                    my %status = (
                                                   'status:'.$cdom.':'.$cnum => 'created'
                                                 );
                                    my $statusresult = 
                                        &Apache::lonnet::put('courserequests',\%status,
                                                             $ownerdom,$ownername);
                                    if ($statusresult ne 'ok') {
                                        push(@warn_approves,$cnum);
                                    }
                                }
                                if ($userresult ne 'ok') {
                                    push(@warn_approves,$cnum);
                                }
                            } else {
                                push(@processing_errors,$cnum);
                            }
                        } else {
                            push(@processing_errors,$cnum);
                        }
                    } else {
                        push(@nopermissions,$cnum);
                    }
                } else {
                    push(@existing,$cnum);
                }
            } else {
                push(@missingreq,$cnum);
            }
        }
    }
    my @changes = (@completed,@rejections);
    if ($context eq 'domain') {
        @changes = map {$_.'_'.$queue} (@changes);
    } elsif ($context eq 'requestauthor') {
        @changes = map {$_.'_approval'} (@changes);
    } elsif ($context eq 'requestusername') {
        @changes = map {&escape($_).'_approval'} (@changes);
    }
    if (@rejections) {
        foreach my $item (@rejections) {
            if (($context eq 'course') || ($context eq 'requestauthor')) {
                my ($user,$uname,$udom,%userrequest,$key,$dbname);
                if ($context eq 'requestauthor') {
                    $uname = $item;
                    $udom = $cdom;
                    $user = $uname.':'.$udom;
                    $key = 'author';
                    $dbname = 'requestauthor';
                } else {
                    $user = $item;
                    ($uname,$udom) = split(/:/,$user);
                    $key = $cdom.'_'.$cnum;
                    $dbname = $namespace;
                }
                &send_selfserve_notification($user,$rejectedmsg,$cid,$coursedesc,
                                             $now,$beneficiary,$sender,undef,undef,
                                             $crstype);
                %userrequest = (
                    $key => {
                        timestamp   => $now,
                        adjudicator => $env{'user.name'}.':'.$env{'user.domain'},
                        status      => 'rejection',
                    }
                );
                if ($context eq 'requestauthor') {
                    $userrequest{'author_status'} = 'rejection';  
                }
                my $userresult =
                    &Apache::lonnet::put($dbname,\%userrequest,$udom,$uname);
                if ($userresult ne 'ok') {
                    push(@warn_rejects,$item);
                }
            } elsif ($context eq 'requestusername') {
                my ($uname,$udom,$dbname);
                $uname = $item;
                $udom = $cdom;
                $dbname = 'nohist_requestedusernames';
                my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
                my %curr = &Apache::lonnet::get($dbname,[$uname],$cdom,$domconfiguser);
                if (ref($curr{$uname}) eq 'HASH') {
                     $curr{$uname}{'status'} = 'rejected';
                     $curr{$uname}{'timestamp'} = $now;
                     $curr{$uname}{'adjudicator'} =  $env{'user.name'}.':'.$env{'user.domain'};
                     undef($curr{$uname}{'tmpinfo'});
                     undef($curr{$uname}{'upass'}); 
                }
                my $userresult =
                    &Apache::lonnet::put($dbname,\%curr,$cdom,$domconfiguser);
                if ($userresult ne 'ok') {
                    push(@warn_rejects,$uname);
                }
            } else {
                my $cnum = $item;
                if (ref($requesthash{$cnum.'_'.$queue}) eq 'HASH') {
                    if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
                        my $requestkey = $cdom.'_'.$cnum;
                        my $ownername = $requesthash{$cnum.'_'.$queue}{'ownername'};
                        my $ownerdom = $requesthash{$cnum.'_'.$queue}{'ownerdom'};
                        my $coursedesc = $requesthash{$cnum.'_'.$queue}{'description'};
                        $crstype = $requesthash{$cnum.'_'.$queue}{'crstype'};
                        if ($crstype eq 'community') {
                            $rejectedmsg = $rejectionmsg{'community'};
                        } else {
                            $rejectedmsg = $rejectionmsg{'course'};
                        }
                        &send_selfserve_notification($ownername.':'.$ownerdom,$rejectedmsg,
                                                     $cid,$coursedesc,$now,$beneficiary,
                                                     $sender,undef,undef,$crstype);
                        my %history =
                            &Apache::lonnet::restore($requestkey,'courserequests',
                                                     $ownerdom,$ownername);
                        if ((ref($history{'details'}) eq 'HASH') &&
                            ($history{'disposition'} eq $queue)) {
                            my %reqhash = (
                                            reqtime     => $history{'reqtime'},
                                            crstype     => $history{'crstype'},
                                            details     => $history{'details'},
                                            disposition => $history{'disposition'},
                                            status      => 'rejected',
                                            adjudicator => $env{'user.name'}.':'.$env{'user.domain'},
                                              );
                            my $userresult =
                                &Apache::lonnet::store_userdata(\%reqhash,$requestkey,
                                                'courserequests',$ownerdom,$ownername);
                            if ($userresult eq 'ok') {
                                my %status = (
                                               'status:'.$cdom.':'.$cnum => 'rejected'
                                             );
                                my $statusresult =
                                    &Apache::lonnet::put('courserequests',\%status,
                                                         $ownerdom,$ownername);
                                if ($statusresult ne 'ok') {
                                    push(@warn_rejects,$cnum);
                                }
                            } else {
                                push(@warn_rejects,$cnum);
                            }
                            unless (&Apache::lonnet::del_dom($namespace,[$cnum.'_'.$queue],$cdom) eq 'ok') {
                                push(@warn_dels,$cnum);
                            }
                        } else {
                            push(@warn_rejects,$cnum);
                        }
                    } else {
                        push(@existing,$cnum);
                    }
                } else {
                    push(@rejectionerrors,$cnum);
                }
            }
        }
    }
    if (@toremove) {
        my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
        foreach my $item (@toremove) {
            if ($context eq 'requestauthor') {
                my %userrequest = (
                    author => {
                                timestamp   => $now,
                                adjudicator => $env{'user.name'}.':'.$env{'user.domain'},
                                status      => 'deleted',
                              },
                              author_status => 'deleted',
                );
                &Apache::lonnet::put('requestauthor',\%userrequest,$cdom,$item);
            } elsif ($context eq 'requestusername') {
                my $dbname = 'nohist_requestedusernames';
                my %curr = &Apache::lonnet::get($dbname,[$item],$cdom,$domconfiguser);
                if (ref($curr{$item}) eq 'HASH') {
                    $curr{$item}{'status'} = 'deleted';
                    $curr{$item}{'timestamp'} = $now;
                    $curr{$item}{'adjudicator'} = $env{'user.name'}.':'.$env{'user.domain'};
                    undef($curr{$item}{'upass'});
                    undef($curr{$item}{'tmpinfo'}); 
                }
            }
        }
        @toremove = map {$_.'_approval'} (@toremove);
        my $delresult = &Apache::lonnet::del_dom($namespace,\@toremove,$cdom);
    }
    if (@changes) {
        my $delresult;
        if ($context eq 'course') {
            $delresult = &Apache::lonnet::del($namespace,\@changes,$cdom,$cnum);
        } else {
            $delresult = &Apache::lonnet::del_dom($namespace,\@changes,$cdom);
        }
        if ($delresult eq 'ok') {
            my $namelink =
                &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'}).' ('.$env{'user.name'}.':'.$env{'user.domain'}.')';
            my ($chgmsg,$approvedlist,$rejectedlist);
            if ($context eq 'course') {
                $chgmsg = "'Action was taken on the following enrollment requests by [_1].',$namelink";
                if (@completed) {
                    $approvedlist = join("\n",@completed);
                    if ($crstype eq 'community') {
                        $output .= '<p>'.&mt('The following were enrolled in the community:').'<ul>';
                    } else {
                        $output .= '<p>'.&mt('The following were enrolled in the course:').'<ul>';
                    }
                    foreach my $user (@completed) {
                        my ($uname,$udom) = split(/:/,$user);
                        my $userlink =
                            &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$udom),$uname,$udom);
                        $output .= '<li>'.$userlink.'</li>';
                    }
                    $output .= '</ul></p>';
                }
                if (@rejections) {
                    $rejectedlist = join("\n",@rejections);
                    $output .= '<p>'.&mt('The following enrollment requests were rejected:').'<ul>';
                    foreach my $user (@rejections) {
                        $output .= '<li>'.$user.'</li>';
                    }
                    $output .= '</ul></p>';
                }
                if ($notifylist ne '') {
                    &send_selfserve_notification($notifylist,$chgmsg,$cid,$coursedesc,
                                                 $now,'coursemanagers',$sender,
                                                 $approvedlist,$rejectedlist,$crstype);
                }
            } elsif ($context eq 'requestauthor') {
                $chgmsg = "'Action was taken on the following Authoring Space requests by [_1].',$namelink";
                if (@completed) {
                    $approvedlist = join("\n",@completed);
                    $output .= '<p>'.&mt('The following requests were approved:').'<ul>';
                    foreach my $uname (@completed) {
                        my $userlink =
                            &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                        $output .= '<li>'.$userlink.'</li>';
                        
                    }
                    $output .= '</ul></p>';
                }
                if (@rejections) {
                    $rejectedlist = join("\n",@rejections);
                    $output .= '<p>'.&mt('The following requests were rejected:').'<ul>';
                    foreach my $uname (@rejections) {
                        my $userlink =
                            &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                        $output .= '<li>'.$userlink.'</li>';
                    }
                    $output .= '</ul></p>';
                }
                if ($notifylist ne '') {
                    &send_selfserve_notification($notifylist,$chgmsg,undef,$domdesc,
                                                 $now,'authormanagers',$sender,
                                                 $approvedlist,$rejectedlist);
                }
            } elsif ($context eq 'requestusername') {
                $chgmsg = "'Action was taken on the following LON-CAPA account requests by [_1].',$namelink";
                if (@completed) {
                    $approvedlist = join("\n",@completed);
                    $output .= '<p>'.&mt('The following requests were approved:').'<ul>';
                    foreach my $uname (@completed) {
                        $output .= '<li>'.$uname.'</li>';

                    }
                    $output .= '</ul></p>';
                }
                if (@rejections) {
                    $rejectedlist = join("\n",@rejections);
                    $output .= '<p>'.&mt('The following requests were rejected:').'<ul>';
                    foreach my $uname (@rejections) {
                        $output .= '<li>'.$uname.'</li>';
                    }
                    $output .= '</ul></p>';
                }
                if ($notifylist ne '') {
                    &send_selfserve_notification($notifylist,$chgmsg,undef,$domdesc,
                                                 $now,'usernamemanagers',$sender,
                                                 $approvedlist,$rejectedlist);
                }
            } else {
                $chgmsg = "'Action was taken on the following course and community requests by [_1].',$namelink";
                if (@completed) {
                    $approvedlist = join("\n",@completed);
                    $output .= '<p>'.&mt('The following courses/communities were created:').'<ul>';
                    foreach my $cnum (@completed) {
                        my $showcourse;
                        if (ref($requesthash{$cnum.'_'.$queue})) {
                            $showcourse = $requesthash{$cnum.'_'.$queue}{'description'};
                        } else {
                            $showcourse = $cnum;
                        }
                        my $syllabuslink =
                            &Apache::loncommon::syllabuswrapper($showcourse,$cnum,$cdom);
                        if ($codes{$cnum}) {
                            $syllabuslink .= ' '.&mt('Unique code: [_1]',$codes{$cnum});
                        }
                        $output .= '<li>'.$syllabuslink.'</li>';
                    }
                    $output .= '</ul></p>';
                }
                if (@rejections) {
                    $rejectedlist = join("\n",@rejections);
                    $output .= '<p>'.&mt('The following requests were rejected:').'<ul>';
                    foreach my $cnum (@rejections) {
                        my $showcourse;
                        if (ref($requesthash{$cnum.'_'.$queue})) {
                            $showcourse = $requesthash{$cnum.'_'.$queue}{'description'};
                        } else {
                            $showcourse = $cnum;
                        }
                        $output .= '<li>'.$showcourse.'</li>';
                    }
                    $output .= '</ul></p>';
                }
                if ($notifylist ne '') {
                    &send_selfserve_notification($notifylist,$chgmsg,$cid,$domdesc,
                                                 $now,'domainmanagers',$sender,
                                                 $approvedlist,$rejectedlist,$crstype);
                }
            }
        } else {
            if (($context eq 'requestauthor') || ($context eq 'requestusername')) {
                push(@warn_dels,@changes);
            }
        }
    }
    if (@existing) {
        if ($context eq 'course') {
            $output .= '<p>'.&mt('The following enrollment requests were deleted because the user is already enrolled in the course:').'<ul>';
            foreach my $user (@existing) {
                $output .= '<li>'.$user.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestauthor') {
            $output .= '<p>'.&mt('Authoring Space requests from the following users were deleted because one already exists:').'<ul>';
            foreach my $uname (@existing) {
                my $userlink =
                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                $output .= '<li>'.$userlink.'</li>';
            }
            $output .= '</ul></p>';
        } else {
            $output .= '<p>'.&mt('The following course/community creation requests were deleted because the course or community has already been created:').'<ul>';
            foreach my $cnum (@existing) {
                my $showcourse;
                my %coursehash = &Apache::lonnet::coursedescription($cdom.'/'.$cnum);
                if ($coursehash{'description'} ne '') {
                    $showcourse = $coursehash{'description'};
                } else {
                    $showcourse = $cnum;
                }
                $output .= '<li>'.$showcourse.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    if (@missingreq) {
        if ($context eq 'course') {
            $output .= '<p>'.&mt('The following enrollment requests were ignored because the request is no longer in the enrollment queue:').'<ul>';
            foreach my $user (@missingreq) {
                $output .= '<li>'.$user.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestauthor') {
            $output .= '<p>'.&mt('The following requests were ignored because the request is no longer in the queue:').'<ul>';
            foreach my $uname (@missingreq) {
                my $userlink =
                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                $output .= '<li>'.$userlink.'</li>';
            }
            $output .= '</ul></p>';
        } else {
            $output .= '<p>'.&mt('The following course/community creation requests were ignored because the request is no longer in the queue:').'<ul>';
            foreach my $cnum (@missingreq) {
                $output .= '<li>'.$cnum.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    if (@invalidusers) {
        if ($context eq 'course') {
            $output .= '<p>'.&mt('The following enrollment requests were deleted because the requestor does not have a LON-CAPA account:').'<ul>';
            foreach my $user (@invalidusers) {
                $output .= '<li>'.$user.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestauthor') {
            $output .= '<p>'.&mt('The following Authoring Space requests were deleted because the requestor does not have a LON-CAPA account:').'<ul>';
            foreach my $uname (@invalidusers) {
                my $userlink =
                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                $output .= '<li>'.$userlink.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    if (@limitexceeded) {
        if ($context eq 'course') {
            $output .= '<p>'.&mt('The following enrollment requests were skipped because the enrollment limit has been reached for the course:').'<ul>';
            foreach my $user (@limitexceeded) {
                $output .= '<li>'.$user.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    if (@nopermissions) {
        if ($context eq 'course') {
            $output .= '<p>'.&mt('The following course/community creation requests could not be processed because the owner does not have rights to create this type of course:').'<ul>';
            foreach my $cnum (@nopermissions) {
                my $showcourse;
                if (ref($requesthash{$cnum.'_'.$queue})) {
                    $showcourse = $requesthash{$cnum.'_'.$queue}{'description'};
                } else {
                    $showcourse = $cnum;
                }
                $output .= '<li>'.$showcourse.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestauthor') {
            $output .= '<p>'.&mt('The following requests could not be processed because the requestor does not have rights to request an Authoring Space:').'<ul>';
            foreach my $uname (@nopermissions) {
                my $userlink =
                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                $output .= '<li>'.$userlink.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    if (@processing_errors) {
        if ($context eq 'course') {
            $output .= '<p>'.&mt('The following enrollment requests could not be processed because an error occurred:').'<ul>';
            foreach my $user (@processing_errors) {
                $output .= '<li>'.$user.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestauthor') {
            $output .= '<p>'.&mt('The following requests could not be processed because an error occurred:').'<ul>';
            foreach my $uname (@processing_errors) {
                my $userlink =
                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                $output .= '<li>'.$userlink.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestusername') {
            $output .= '<p>'.&mt('The following requests could not be processed because an error occurred:').'<ul>';
            foreach my $uname (@processing_errors) {
                $output .= '<li>'.$uname.'</li>';
            }
            $output .= '</ul></p>';
        } else {
            $output .= '<p>'.&mt('The following course/community creation requests could not be processed because an error occurred:').'<ul>';
            foreach my $cnum (@processing_errors) {
                my $showcourse;
                if (ref($requesthash{$cnum.'_'.$queue})) {
                    $showcourse = $requesthash{$cnum.'_'.$queue}{'description'};
                } else {
                    $showcourse = $cnum;
                }
                $output .= '<li>'.$showcourse.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    if (@rejectionerrors) {
        $output .= '<p>'.&mt('The following course/community creation request rejections could not be fully processed because an error occurred:').'<ul>';
        foreach my $cnum (@rejectionerrors) {
            my $showcourse;
            if (ref($requesthash{$cnum.'_'.$queue})) {
                $showcourse = $requesthash{$cnum.'_'.$queue}{'description'};
            } else {
                $showcourse = $cnum;
            }
            $output .= '<li>'.$showcourse.'</li>';
        }
        $output .= '</ul></p>';
    }
    if (@warn_approves || @warn_rejects) {
        if ($context eq 'course') {
            $output .= '<p>'.&mt("For the following users, an error occurred when updating the user's own self-enroll requests record:").'<ul>';
            foreach my $user (@warn_approves) {
                $output .= '<li>'.$user.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestauthor') {
            $output .= '<p>'.&mt("For the following users, an error occurred when updating the user's own author request record:").'<ul>';
            foreach my $uname (@warn_approves,@warn_rejects) {
                my $userlink =
                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                $output .= '<li>'.$userlink.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestusername') {
            $output .= '<p>'.&mt("For the following users, an error occurred when updating the account request record for the user:").'<ul>';
            foreach my $uname (@warn_approves,@warn_rejects) {
                $output .= '<li>'.$uname.'</li>';
            }
            $output .= '</ul></p>';
        } else {
            $output .= '<p>'.&mt("For the following course/community requests an error occurred when updating the requestor's own requests record:").'<ul>';
            foreach my $cnum (@warn_approves,@warn_rejects) {
                my $showcourse;
                if (ref($requesthash{$cnum.'_'.$queue})) {
                    $showcourse = $requesthash{$cnum.'_'.$queue}{'description'};
                } else {
                    $showcourse = $cnum;
                }
                $output .= '<li>'.$showcourse.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    if (@warn_dels) {
        if ($context eq 'requestauthor') {
            $output .= '<p>'.&mt("For the following requests an error occurred when removing the request from the queue:").'<ul>';
            foreach my $uname (@warn_dels) {
                my $userlink =
                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$cdom),$uname,$cdom);
                $output .= '<li>'.$userlink.'</li>';
            }
            $output .= '</ul></p>';
        } elsif ($context eq 'requestusername') {
            $output .= '<p>'.&mt("For the following requests an error occurred when removing the request from the queue:").'<ul>';
            foreach my $item (@warn_dels) {
                my ($escuname) = split(/_/,$item);
                $output .= '<li>'.&unescape($escuname).'</li>';
            }
            $output .= '</ul></p>';            
        } else {
            $output .= '<p>'.&mt("For the following course/community requests an error occurred when removing requests from the pending queue:").'<ul>';
            foreach my $cnum (@warn_dels) {
                my $showcourse;
                if (ref($requesthash{$cnum.'_'.$queue})) {
                    $showcourse = $requesthash{$cnum.'_'.$queue}{'description'};
                } else {
                    $showcourse = $cnum;
                }
                $output .= '<li>'.$showcourse.'</li>';
            }
            $output .= '</ul></p>';
        }
    }
    return $output;
}

sub get_student_counts {
    my ($cdom,$cnum) = @_;
    my (%idx,%stucounts);
    my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
    $idx{'type'} = &Apache::loncoursedata::CL_TYPE();
    $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
    while (my ($student,$data) = each(%$classlist)) {
        if (($data->[$idx{'status'}] eq 'Active') ||
            ($data->[$idx{'status'}] eq 'Future')) {
            if ($data->[$idx{'type'}] eq 'selfenroll') {
                $stucounts{'selfenroll'} ++;
            }
            $stucounts{'allstudents'} ++;
        }
    }
    return (\%stucounts,\%idx,$classlist);
}

sub course_creation {
    my ($dom,$cnum,$context,$details,$logmsg,$newusermsg,$addresult,$enrollcount,$output,
        $keysmsg,$domdefs,$longroles,$coderef,$customhash) =  @_;
    unless ((ref($details) eq 'HASH') && (ref($domdefs) eq 'HASH') && 
            (ref($longroles) eq 'HASH')) {
        return ('error: Invalid request');
    }
    my ($result,$ownername,$ownerdom);
    my $crstype = $details->{'crstype'};
    my $coursedesc = $details->{'cdescr'};
    my $accessstart = $details->{'accessstart'};
    my $accessend = $details->{'accessend'};
    my %domconfig = &Apache::lonnet::get_dom('configuration',['requestcourses'],$dom);
    if (ref($domconfig{'requestcourses'}) eq 'HASH') {
        if (ref($domconfig{'requestcourses'}{'uniquecode'}) eq 'HASH') {
            if ($domconfig{'requestcourses'}{'uniquecode'}{$crstype}) {
                $details->{'uniquecode'} = 1;
            }
        }
    }
    if ($context eq 'domain') {
        $ownername = $details->{'owner'};
        $ownerdom  = $details->{'domain'};
    } else {
        $ownername = $env{'user.name'};
        $ownerdom  = $env{'user.domain'};
    }
    my $fullname = &Apache::loncommon::plainname($ownername,$ownerdom);
    my $owneremail;
    my %emails = &Apache::loncommon::getemails($ownername,$ownerdom);
    foreach my $email ('permanentemail','critnotification','notification') {
        $owneremail = $emails{$email};
        last if ($owneremail ne '');
    }
    my %reqdetails = &build_batchcreatehash($dom,$context,$details,$owneremail,$domdefs);
    my $cid = &LONCAPA::batchcreatecourse::build_course($dom,$cnum,'requestcourses',
                  \%reqdetails,$longroles,$logmsg,$newusermsg,$addresult,
                  $enrollcount,$output,$keysmsg,$ownerdom,$ownername,$cnum,$crstype,$coderef);
    my $postprocess;
    if ($cid eq "/$dom/$cnum") {
        $result = 'created';
        my $code;
        if (ref($coderef)) {
            $code = $$coderef;
        }
        $postprocess = &Apache::lonnet::auto_crsreq_update($dom,$cnum,$crstype,$result,$ownername,
                                                           $ownerdom,$fullname,$coursedesc,$code,
                                                           $accessstart,$accessend,$customhash);
    } else {
        $result = 'error: '.$cid;
    }
    return ($result,$postprocess);
}

sub build_batchcreatehash {
    my ($dom,$context,$details,$owneremail,$domdefs) = @_;
    my %batchhash;
    my @items = qw{owner domain coursehome clonecrs clonedom datemode dateshift enrollstart enrollend accessstart accessend sections crosslists users uniquecode};
    if ((ref($details) eq 'HASH') && (ref($domdefs) eq 'HASH')) {
        my $emailenc = &escape($owneremail);
        my $owner = $details->{'owner'}.':'.$details->{'domain'};
        foreach my $item (@items) {
            $batchhash{$item} = $details->{$item};
        }
        $batchhash{'title'} = $details->{'cdescr'};
        $batchhash{'coursecode'} = $details->{'instcode'};
        if ($domdefs->{'officialcredits'} || $domdefs->{'unofficialcredits'}) {
            $batchhash{'defaultcredits'} = $details->{'defaultcredits'};
        }
        $batchhash{'emailenc'} = $emailenc;
        $batchhash{'adds'} = $details->{'autoadds'};
        $batchhash{'drops'} = $details->{'autodrops'};
        $batchhash{'authtype'} = $domdefs->{'auth_def'};
        $batchhash{'authparam'} = $domdefs->{'auth_arg_def'};
        if ($details->{'crstype'} eq 'community') {
            $batchhash{'crstype'} = 'Community';
        } elsif ($details->{'crstype'} eq 'placement') {
            $batchhash{'crstype'} = 'Placement';
        } else {
            if ($details->{'crstype'} eq 'textbook') {
                if ($details->{'clonecrs'} && $details->{'clonedom'}) {
                    my %clonedfrom = &Apache::lonnet::coursedescription($details->{'clonedom'}.'_'.$details->{'clonecrs'});
                    $batchhash{'textbook'} = $clonedfrom{'description'};
                }
            }
            $batchhash{'crstype'} = 'Course';
        }
        my ($owner_firstname,$owner_lastname);
        if ($context eq 'domain') {
            my %userenv = &Apache::lonnet::userenvironment($details->{'domain'},
                                                           $details->{'owner'},
                                                           'firstname','lastname');
            $owner_firstname = $userenv{'firstname'};
            $owner_lastname = $userenv{'lastname'};
        } else {
            $owner_firstname = $env{'environment.firstname'};
            $owner_lastname = $env{'environment.lastname'};
        }
        if (ref($details->{'personnel'}) eq 'HASH') {
            %{$batchhash{'users'}} = %{$details->{'personnel'}};
            if (ref($batchhash{'users'}) eq 'HASH') {  
                foreach my $userkey (keys(%{$batchhash{'users'}})) {
                    if (ref($batchhash{'users'}{$userkey}) eq 'HASH') {
                        if (ref($batchhash{'users'}{$userkey}{'roles'}) eq 'ARRAY') {
                            foreach my $role (@{$batchhash{'users'}{$userkey}{'roles'}}) {
                                my $start = '';
                                my $end = '';
                                if ($role eq 'st') {
                                    $start = $details->{'accessstart'};
                                    $end = $details->{'accessend'};
                                }
                                $batchhash{'users'}{$userkey}{$role}{'start'} = $start;
                                $batchhash{'users'}{$userkey}{$role}{'end'} = $end;
                            } 
                        }
                    }
                }
            }
        }
        $batchhash{'users'}{$owner}{firstname} = $owner_firstname;
        $batchhash{'users'}{$owner}{lastname} = $owner_lastname;
        $batchhash{'users'}{$owner}{emailenc} = $emailenc;
        $batchhash{'users'}{$owner}{owneremail} = $owneremail;
        $batchhash{'setcomment'} = 1;
    }
    return %batchhash;
}

sub can_clone_course {
    my ($uname,$udom,$clonecrs,$clonedom,$crstype,$dom,$instcode) = @_;
    my $canclone;
    my $ccrole = 'cc';
    if ($crstype eq 'community') {
        $ccrole = 'co';
    }
    my %roleshash = &Apache::lonnet::get_my_roles($uname,$udom,'userroles',['active'],
                                                  [$ccrole],[$clonedom]);
    if (exists($roleshash{$clonecrs.':'.$clonedom.':'.$ccrole})) {
        $canclone = 1;
    } else {
        my %courseenv = &Apache::lonnet::userenvironment($clonedom,$clonecrs,
                                                         ('cloners','internal.coursecode'));
        my $cloners = $courseenv{'cloners'};
        my $clonefromcode = $courseenv{'internal.coursecode'};
        if ($cloners ne '') {
            my @cloneable = split(',',$cloners);
            if (grep(/^\*$/,@cloneable)) {
                $canclone = 1;
            } elsif (grep(/^\*:\Q$udom\E$/,@cloneable)) {
                $canclone = 1;
            } elsif (grep(/^\Q$uname\E:\Q$udom\E$/,@cloneable)) {
                $canclone = 1;
            }
            unless ($canclone) {
                if (($clonefromcode) && ($instcode) && ($clonedom eq $dom)) {
                    my (%gotdomdefaults,%gotcodedefaults);
                    foreach my $cloner (@cloneable) {
                        if (($cloner ne '*') && ($cloner !~ /^\*\:$match_domain$/) &&
                            ($cloner !~ /^$match_username\:$match_domain$/) && ($cloner ne '')) {
                            if ($cloner =~ /\=/) {
                                my (%codedefaults,@code_order);
                                if (ref($gotcodedefaults{$clonedom}) eq 'HASH') {
                                    if (ref($gotcodedefaults{$clonedom}{'defaults'}) eq 'HASH') {
                                        %codedefaults = %{$gotcodedefaults{$clonedom}{'defaults'}};
                                    }
                                    if (ref($gotcodedefaults{$clonedom}{'order'}) eq 'ARRAY') {
                                        @code_order = @{$gotcodedefaults{$dom}{'order'}};
                                    }
                                } else {
                                    &Apache::lonnet::auto_instcode_defaults($clonedom,
                                                                            \%codedefaults,
                                                                            \@code_order);
                                    $gotcodedefaults{$clonedom}{'defaults'} = \%codedefaults;
                                    $gotcodedefaults{$clonedom}{'order'} = \@code_order;
                                }
                                if (@code_order > 0) {
                                    if (&Apache::lonnet::check_instcode_cloning(\%codedefaults,\@code_order,
                                                                                $cloner,$clonefromcode,$instcode)) {
                                        $canclone = 1;
                                        last; 
                                    }
                                }
                            }
                        }
                    }
                }
            }
        } else {
            my %domdefs = &Apache::lonnet::get_domain_defaults($clonedom);
            if ($domdefs{'canclone'}) {
                unless ($domdefs{'canclone'} eq 'none') {
                    if ($domdefs{'canclone'} eq 'domain') {
                        if ($udom eq $clonedom) {
                            $canclone = 1;
                        }
                    } elsif (($clonefromcode) && ($instcode) &&
                             ($clonedom eq $dom)) {
                        if (&Apache::lonnet::default_instcode_cloning($clonedom,$domdefs{'canclone'},
                                                                      $clonefromcode,$instcode)) {
                            $canclone = 1;
                        }
                    }
                }
            }
        }
        unless ($canclone) {
            if (&Apache::lonnet::is_course_owner($clonedom,$clonecrs,$uname,$udom)) {
                $canclone = 1;
            }
        }
    }
    return $canclone;
}

sub get_processtype {
    my ($context,$uname,$udom,$isadv,$dom,$crstype,$inststatuses,$domconfig) = @_;
    return unless ((ref($inststatuses) eq 'ARRAY') && (ref($domconfig) eq 'HASH'));
    if ($uname eq '' || $udom eq '') {
        $uname = $env{'user.name'};
        $udom = $env{'user.domain'};
        $isadv = $env{'user.adv'};
    }
    my (%userenv,%settings,$val,@options,$envkey);
    if ($context eq 'course') {
        @options = ('autolimit','validate','approval');
        $envkey = 'requestcourses.'.$crstype;
        if (ref($domconfig->{'requestcourses'}) eq 'HASH') {
            if (ref($domconfig->{'requestcourses'}->{$crstype}) eq 'HASH') {
                %settings = %{$domconfig->{'requestcourses'}->{$crstype}};
            }
        }
    } else {
        @options = ('automatic','approval');
        $envkey = 'requestauthor';
        if (ref($domconfig->{'requestauthor'}) eq 'HASH') { 
            %settings = %{$domconfig->{'requestauthor'}};
        }
    }
    if (($dom eq $udom) || ($context eq 'requestauthor')) {
        %userenv =
            &Apache::lonnet::userenvironment($udom,$uname,$envkey,'inststatus');
        if ($userenv{$envkey}) {
            $val = $userenv{$envkey};
            @{$inststatuses} = ('_custom_');
        } else {
            my %alltasks;
            if (($isadv) && ($settings{'_LC_adv'} ne '')) {
                $val = $settings{'_LC_adv'};
                @{$inststatuses} = ('_LC_adv_');
            } else {
                if ($userenv{'inststatus'} ne '') {
                    @{$inststatuses} = split(',',$userenv{'inststatus'});
                } else {
                    @{$inststatuses} = ('default');
                }
                foreach my $status (@{$inststatuses}) {
                    if (exists($settings{$status})) {
                        my $value = $settings{$status};
                        next unless ($value);
                        unless (exists($alltasks{$value})) {
                            if (ref($alltasks{$value}) eq 'ARRAY') {
                                unless(grep(/^\Q$status\E$/,@{$alltasks{$value}})) {
                                    push(@{$alltasks{$value}},$status);
                                }
                            } else {
                                @{$alltasks{$value}} = ($status);
                            }
                        }
                    }
                }
                my $maxlimit = 0;
                if ($context eq 'course') {
                    foreach my $key (sort(keys(%alltasks))) {
                        if ($key =~ /^autolimit=(\d*)$/) {
                            if ($1 eq '') {
                                $val ='autolimit=';
                                last;
                            } elsif ($1 > $maxlimit) {
                                $maxlimit = $1;
                            }
                        }
                    }
                }
                if (($context eq 'requestauthor') || (!$val)) {
                    if ($context eq 'course' && $maxlimit) {
                        $val = 'autolimit='.$maxlimit;
                    } else {
                        foreach my $option (@options) {
                            if ($alltasks{$option}) {
                                $val = $option;
                                last;
                            }
                        }
                    }
                }
            }
        }
    } else {
        %userenv = &Apache::lonnet::userenvironment($udom,$uname,'reqcrsotherdom.'.$crstype);
        if ($userenv{'reqcrsotherdom.'.$crstype}) {
            my @doms = split(',',$userenv{'reqcrsotherdom.'.$crstype});
            my $optregex = join('|',@options);
            foreach my $item (@doms) {
                my ($extdom,$extopt) = split(':',$item);
                if ($extdom eq $dom) {
                    if ($extopt =~ /^($optregex)(=?\d*)$/) {
                        $val = $1.$2;
                    }
                    last;
                }
            }
            @{$inststatuses} = ('_external_');
        }
    }
    return $val;
}

sub queued_selfenrollment {
    my ($notitle) = @_;
    my $output;
    my %selfenrollrequests = &Apache::lonnet::dump('selfenrollrequests');
    my %reqs_by_date;
    foreach my $item (keys(%selfenrollrequests)) {
        if (ref($selfenrollrequests{$item}) eq 'HASH') {
            if ($selfenrollrequests{$item}{'status'} eq 'request') {
                if ($selfenrollrequests{$item}{'timestamp'}) {
                    push(@{$reqs_by_date{$selfenrollrequests{$item}{'timestamp'}}},$item);
                }
            }
        }
    }
    if (keys(%reqs_by_date)) {
        unless ($notitle) {
            $output .= '<br /><b>'.&mt('Enrollment requests pending Course Coordinator approval').'</b><br />';
        }
        $output .= &Apache::loncommon::start_data_table().
                   &Apache::loncommon::start_data_table_header_row().
                   '<th>'.&mt('Date requested').'</th><th>'.&mt('Course title').'</th>'.
                   '<th>'.&mt('User role').'</th><th>'.&mt('Section').'</th>'.
                   &Apache::loncommon::end_data_table_header_row();
        my @sorted = sort { $a <=> $b } (keys(%reqs_by_date));
        foreach my $item (@sorted) {
            if (ref($reqs_by_date{$item}) eq 'ARRAY') {
                foreach my $crs (@{$reqs_by_date{$item}}) {
                    my %courseinfo = &Apache::lonnet::coursedescription($crs);
                    my $usec = $selfenrollrequests{$crs}{'section'};
                    my $rolename = &Apache::lonnet::plaintext('st',$courseinfo{'type'},$crs);
                    if ($usec eq '') {
                        $usec = &mt('No section');
                    }
                    $output .= &Apache::loncommon::start_data_table_row().
                               '<td>'.&Apache::lonlocal::locallocaltime($item).'</td>'.
                               '<td>'.$courseinfo{'description'}.'</td>'.
                               '<td>'.$rolename.'</td><td>'.$usec.'</td>'.
                               &Apache::loncommon::end_data_table_row();
                }
            }
        }
        $output .= &Apache::loncommon::end_data_table();
    }
    return $output;
}

sub update_coursereq_status {
    my ($reqhash,$dom,$cnum,$reqstatus,$context,$udom,$uname) = @_;
    my ($storeresult,$statusresult,$output);
    my $requestkey = $dom.'_'.$cnum;
    if ($requestkey =~ /^($match_domain)_($match_courseid)$/) {
        $storeresult = &Apache::lonnet::store_userdata($reqhash,$requestkey,
                                                       'courserequests',$udom,$uname);
        if ($storeresult eq 'ok') {
            my %status = (
                             'status:'.$dom.':'.$cnum => $reqstatus,
                         );
            $statusresult = &Apache::lonnet::put('courserequests',\%status,$udom,$uname);
        }
    } else {
        $storeresult = 'error: invalid requestkey format';
    }
    if ($storeresult ne 'ok') {
        $output = &mt('An error occurred saving a record of the details of your request: [_1].',$storeresult);
        if ($context eq 'domain') {
            $output .= "\n";  
        } else {
            $output =  '<span class="LC_warning">'.$output.'</span><br />';
        }
        &Apache::lonnet::logthis("Error saving course request - $requestkey for $uname:$udom - $storeresult");
    } elsif ($statusresult ne 'ok') {
        $output = &mt('An error occurred saving a record of the status of your request: [_1].',$statusresult);
        if ($context eq 'domain') {
            $output .= "\n";
        } else {
            $output = '<span class="LC_warning">'.$output.'</span><br />';
        }
        &Apache::lonnet::logthis("Error saving course request status for $requestkey (for $uname:$udom) - $statusresult");
    }
    return ($storeresult,$output);
}

sub process_official_reqs {
    my ($context,$dom,$dcname,$dcdom) = @_;
    my $reqsnamespace = 'courserequestqueue';
    my %requesthash =
        &Apache::lonnet::dump_dom($reqsnamespace,$dom,'_pending');
    my (%newcids,%longroles,%stillpending);
    my @courseroles = ('cc','in','ta','ep','ad','st');
    foreach my $role (@courseroles) {
        $longroles{$role}=&Apache::lonnet::plaintext($role);
    }
    my %domdefs = &Apache::lonnet::get_domain_defaults($dom);
    my ($output,$linefeed);
    if ($context eq 'auto') {
        $linefeed = "\n";
    } else {
        $linefeed = '<br />'."\n";
    }
    foreach my $key (keys(%requesthash)) {
        my ($cnum,$status) = split('_',$key);
        next if (&Apache::lonnet::homeserver($cnum,$dom) ne 'no_host');
        if (ref($requesthash{$key}) eq 'HASH') {
            my $ownername = $requesthash{$key}{'ownername'};
            my $ownerdom = $requesthash{$key}{'ownerdom'};
            next if (&Apache::lonnet::homeserver($ownername,$ownerdom) eq 'no_host');
            my $inststatus;
            my %userenv =
                &Apache::lonnet::get('environment',['inststatus'],
                                     $ownerdom,$ownername);
            my ($tmp) = keys(%userenv);
            if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
                $inststatus = $userenv{'inststatus'};
            } else {
                undef(%userenv);
            }
            my $reqkey = $dom.'_'.$cnum;
            my %history = &Apache::lonnet::restore($reqkey,'courserequests',
                                                   $ownerdom,$ownername);
            if (ref($history{'details'}) eq 'HASH') {
                my $instcode = $history{'details'}{'instcode'};
                my $crstype = $history{'details'}{'crstype'};
                my $reqtime = $history{'details'}{'reqtime'};
                my $cdescr = $history{'details'}{'cdescr'};
                my @currsec;
                my $sections = $history{'details'}{'sections'};
                if (ref($sections) eq 'HASH') {
                    foreach my $i (sort(keys(%{$sections}))) {
                        if (ref($sections->{$i}) eq 'HASH') {
                            my $sec = $sections->{$i}{'inst'};
                            if (!grep(/^\Q$sec\E$/,@currsec)) {
                                push(@currsec,$sec);
                            }
                        }
                    }
                }
                my $instseclist = join(',',@currsec);
                my ($validationchk,$disposition,$reqstatus,$message,
                    $validation,$validationerror);
                $validationchk =
                    &Apache::lonnet::auto_courserequest_validation($dom,
                        $ownername.':'.$ownerdom,$crstype,$inststatus,
                        $instcode,$instseclist);
                if ($validationchk =~ /:/) {
                    ($validation,$message) = split(':',$validationchk);
                } else {
                    $validation = $validationchk;
                }
                if ($validation =~ /^error(.*)$/) {
                    $disposition = 'approval';
                    $validationerror = $1;
                } else {
                    $disposition = $validation;
                }
                $reqstatus = $disposition;
                if ($disposition eq 'process') {
                    my ($logmsg,$newusermsg,$addresult,$enrollcount,$response,$keysmsg,$code);
                    my %customitems;
                    my $fullname = &Apache::loncommon::plainname($ownername,$ownerdom);
                    my $inprocess = &Apache::lonnet::auto_crsreq_update($dom,$cnum,$crstype,'process',$ownername,
                                                                        $ownerdom,$fullname,$cdescr);
                    if (ref($inprocess) eq 'HASH') {
                        foreach my $key (keys(%{$inprocess})) {
                            if (exists($history{'details'}{$key})) {
                                $customitems{$key} = $history{'details'}{$key};
                            }
                        }
                    }
                    if ($history{'details'}{'clonecrs'}) {
                        $customitems{'_LC_clonefrom'} = $history{'details'}{'clonedom'}.'_'.$history{'details'}{'clonecrs'};
                    }
                    my ($result,$postprocess) = 
                        &course_creation($dom,$cnum,'domain',$history{'details'},\$logmsg,\$newusermsg,\$addresult,
                                         \$enrollcount,\$response,\$keysmsg,\%domdefs,\%longroles,\$code,\%customitems);
                    if ($result eq 'created') {
                        $disposition = 'created';
                        $reqstatus = 'created';
                        my $cid = $dom.'_'.$cnum;
                        push(@{$newcids{$instcode}},$cid);
                        if ($dcname && $dcdom) {
                            my $firsturl = &Apache::lonnet::course_portal_url($cnum,$dom);
                            my $beneficiary = 'pendingrequestor';
                            my $now = time;
                            my $owner = $ownername.':'.$ownerdom;
                            my $approvedmsg =
                                [{
                                    mt => 'Your requested course: [_1], (queued pending validation) has now been created.',
                                    args => [$cdescr],
                                 },
                                 {
                                    mt   => 'Visit [_1] to log-in and access the course.',
                                    args => [$firsturl],
                                 },
                                 {
                                    mt => 'If currently logged-in to LON-CAPA, log-out and log-in again to select your new course role.'
                                 }];
                            my $sender = $dcname.':'.$dcdom;
                            if (ref($postprocess) eq 'HASH') {
                                if (ref($postprocess->{'createdmsg'}) eq 'ARRAY') {
                                    foreach my $item (@{$postprocess->{'createdmsg'}}) {
                                        if (ref($item) eq 'HASH') {
                                             if ($item->{'mt'} ne '') {
                                                 push(@{$approvedmsg},$item);
                                             }
                                        }
                                    }
                                }
                                if (ref($postprocess->{'createdactions'}) eq 'HASH') {
                                    if (ref($postprocess->{'createdactions'}{'environment'}) eq 'HASH') {
                                        &postprocess_crsenv($dom,$cnum,$postprocess->{'createdactions'}{'environment'});
                                    }
                                }
                            }
                            &send_selfserve_notification($owner,$approvedmsg,
                                                         $cid,$cdescr,$now,
                                                         $beneficiary,$sender,
                                                         undef,undef,$crstype);
                        }
                    }
                } elsif ($disposition eq 'rejected') {
                    $output .= &mt('Queued course request for [_1] submitted by [_2] with status [_3] rejected when validating.',$instcode,$ownername.':'.$ownerdom,$inststatus).$linefeed;
                } elsif ($disposition eq 'approval') {
                    $output .= &mt('Queued course request for [_1] submitted by [_2] with status [_3] switched to "approval by DC" because of validation error: [_4].',$instcode,$ownername.':'.$ownerdom,$inststatus,$validationerror).$linefeed;

                    my $requestid = $cnum.'_'.$disposition;
                    my $request = {
                            $requestid => {
                                            timestamp   => $reqtime,
                                            crstype     => $crstype,
                                            ownername   => $ownername,
                                            ownerdom    => $ownerdom,
                                            description => $cdescr,
                                          },
                          };
                    my $putresult = &Apache::lonnet::newput_dom('courserequestqueue',$request,$dom);
                    unless ($putresult eq 'ok') {
                        $output .= &mt("An error occurred saving the modified course request for [_1] submitted by [_2] in the domain's courserequestqueue.db.",$instcode,$ownername.':'.$ownerdom).$linefeed;
                    }
                } elsif ($disposition eq 'pending') {
                    my $instcode = $requesthash{$key}{'instcode'};
                    my $description = $requesthash{$key}{'description'};
                    my $timestamp = $requesthash{$key}{'timestamp'};
                    my $entry = $cnum.':'.$ownername.':'.$ownerdom.':'.
                                $instcode.':'.$description;
                    if (ref($stillpending{$timestamp}) eq 'ARRAY') {
                        push(@{$stillpending{$timestamp}},$entry);
                    } else {
                        $stillpending{$timestamp} = [$entry];
                    }
                }
                unless ($disposition eq 'pending') {
                    my ($statusresult,$output) =
                        &update_coursereq_status(\%requesthash,$dom,$cnum,
                                                 $reqstatus,'domain',$ownerdom,
                                                 $ownername);
                    unless (&Apache::lonnet::del_dom($reqsnamespace,[$cnum.'_pending'],$dom) eq 'ok') {
                        $output .= &mt('An error occurred when removing the request for [_1] submitted by [_2] from the pending queue.',$instcode,$ownername.':'.$ownerdom).$linefeed;
                    }
                }
            }
        }
    }
    foreach my $key (sort(keys(%newcids))) {
        if (ref($newcids{$key}) eq 'ARRAY') {
            $output .= "created course from queued request: $key - ".join(', ',@{$newcids{$key}}).$linefeed;
            my $newcourse = &LONCAPA::escape($key.':'.$newcids{$key});
        }
    }
    unless ($context eq 'auto') {
        if (keys(%stillpending) > 0) {
            $output .= '<form method="post" name="changequeue" action="/adm/createcourse" />'."\n".
                       '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />'."\n".
                       '<input type="hidden" name="phase" value="requestchange" />'.
                       '<p>'.&mt('For the following requests, the requestor could [_1]not[_2] be validated as official course personnel, so the request remains in the pending queue.','<b>','</b>').'<br />'.&mt('Requests may be left in the queue, or you can manually approve or reject them.').'</p>'.
                       &build_queue_display($dom,'stillpending',\%stillpending).
                       '<br /><input type="hidden" name="queue" value="pending" />'."\n".
                       '<input type="submit" name="processqueue" value="'.&mt('Save').'" />'.
                       '</form>';
        }
    }
    return $output;
}

sub postprocess_crsenv {
    my ($dom,$cnum,$postprocessenv) = @_;
    if (ref($postprocessenv) eq 'HASH') {    
        my $cid = $dom.'_'.$cnum;
        my %settablecrsenv = (
                              'internal.selfenroll_types'        => 1,
                              'internal.selfenroll_registered'   => 1,
                              'internal.selfenroll_section'      => 1,
                              'internal.selfenroll_start_access' => 1,
                              'internal.selfenroll_end_access'   => 1,
                              'internal.selfenroll_limit'        => 1,
                              'internal.selfenroll_cap'          => 1,
                              'internal.selfenroll_approval'     => 1,
                              'internal.selfenroll_notifylist'   => 1,
                             );
        my %needcrsidput = (
                              'internal.selfenroll_types'      => 1,
                              'internal.selfenroll_start_date' => 1,
                              'internal. selfenroll_end_date'  => 1,
                           );
        my (@needupdate,%newcrsenv);
        foreach my $key (keys(%{$postprocessenv})) { 
            if ($settablecrsenv{$key}) {
                $newcrsenv{$key} = $postprocessenv->{$key};
                if ($needcrsidput{$key}) {
                    push(@needupdate,$key); 
                }
            }
            if (keys(%newcrsenv)) {
                my $putresult = &Apache::lonnet::put('environment',\%newcrsenv,$dom,$cnum);
                if ($putresult eq 'ok') {
                    if (@needupdate) {
                        my %crsinfo =
                            &Apache::lonnet::courseiddump($dom,'.',1,'.','.',$cnum,undef,undef,'.');
                        if (ref($crsinfo{$cid}) eq 'HASH') {
                            foreach my $key (@needupdate) {
                                $crsinfo{$cid}{$key} = $newcrsenv{$key};
                            }
                            my $chome = &Apache::lonnet::homeserver($cnum,$dom);
                            &Apache::lonnet::courseidput($dom,\%crsinfo,$chome,'notime');
                        }
                    }
                }
            }
        }
    }
    return;
}


sub requestcourses_validation_types {
    my @items = ('url','fields','button','markup');
    my %names =  &Apache::lonlocal::texthash (
            url      => 'Web address of validation server/script',
            fields   => 'Form fields to send to validator',
            button   => 'Text for validation button',
            markup   => 'Validation description (HTML)',
    );
    my @fields = ('owner','course','coursetype','description');
    return (\@items,\%names,\@fields);
}

sub is_active_author {
    if ($env{'user.role.au./'.$env{'user.domain'}.'/'} =~ /^(\d*)\.(\d*)$/) {
        if ((!$1 || $1 < time) &&
            (!$2 || $2 > time)) {
            return 1;
        }
    }
}

sub author_prompt {
    my ($is_active_author,$offer_author);
    if ($env{'environment.canrequest.author'}) {
        unless (&is_active_author()) {
            unless (&reqauthor_check() =~ /^approval:\d+$/) {
                $offer_author = 1;
            }
        }
    }
    return $offer_author;
}

sub reqauthor_check {
    my $queued = $env{'environment.requestauthorqueued'};
    my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
                                         $env{'user.domain'},$env{'user.name'});
    my $reqstatus = $reqauthor{'author_status'};
    if (($reqstatus eq '' && $queued ne '') ||
        ($env{'environment.requestauthorqueued'} !~ /^\Q$reqstatus\E/)) {
        if (ref($reqauthor{'author'}) eq 'HASH') {
            $queued = $reqstatus.':'.$reqauthor{'author'}{'timestamp'};
        } else {
            undef($queued);
        }
        &Apache::lonnet::appenv({'environment.requestauthorqueued' => $queued});
    }
    return $queued;
}

sub process_reqauthor {
    my ($dispositionref,$updateref) = @_;
    if (&is_active_author()) {
        return '<span class="LC_warning">'.
                &mt('An Authoring Space has already been assigned to you.').'<br />'.
                &mt('Please select the Author role from your [_1]roles page[_2].','<a href="/adm/roles">',
                '</a>').'</span>';
    }
    unless ($env{'environment.canrequest.author'}) {
        return '<span class="LC_warning">'.
                &mt('You do not currently have rights to request an Authoring Space.').'<br />'.
                &mt('Please contact the [_1]helpdesk[_2] for assistance.','<a href="/adm/helpdesk">',
                '</a>').'</span>';
    }
    my $queued = &reqauthor_check();
    if ($queued =~ /^approval:(\d+)$/) {
        my $timestamp = $1;
        return '<span class="LC_info">'.
               &mt('A request for Authoring Space submitted on [_1] is awaiting approval',
               &Apache::lonlocal::locallocaltime($timestamp)).
               '</span>';
    } elsif ($queued =~ /^approved:(\d+)$/) {
        my $timestamp = $1;   
        my %roleshash = &Apache::lonnet::get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',
                                                      ['active'],['au'],[$env{'user.domain'}]);
        if (keys(%roleshash) > 0) {
            return '<span class="LC_info">'.
                   &mt('A request for Authoring Space submitted on [_1] has been approved.',
                   &Apache::lonlocal::locallocaltime($timestamp)).
                   '</span>';
        }
    }
    my ($output,@inststatuses,%domconfig);
    %domconfig = &Apache::lonnet::get_dom('configuration',['requestauthor'],
                                          $env{'user.domain'});
    my $val = &get_processtype('requestauthor',$env{'user.name'},$env{'user.domain'},
                               $env{'user.adv'},$env{'user.domain'},undef,
                               \@inststatuses,\%domconfig);
    my $now = time;
    if ($val eq 'automatic') {
        my $start = $now-1;
        if (&Apache::lonnet::assignrole($env{'user.domain'},$env{'user.name'},'/'.$env{'user.domain'}.'/',
                                        'au',undef,$start,undef,undef,'requestauthor') eq 'ok') {
            $output = '<span class="LC_info">'.
                      &mt('Access to Authoring Space has been activated').'</span><br />';
                      &Apache::lonroles::update_session_roles();
            &Apache::lonnet::appenv({'user.update.time'  => $now});
            if (ref($updateref)) {
                $$updateref = $now;
            }
            if (ref($dispositionref)) {
                $$dispositionref = 'created';
            }
        } else {
            $output = '<span class="LC_info">'.
                      &mt('An error occurred while activating your access to Authoring Space');
        }
    } elsif ($val eq 'approval') {
        my $domconfiguser = &Apache::lonnet::get_domainconfiguser($env{'user.domain'});
        if (&Apache::lonnet::put('requestauthorqueue',{ $env{'user.name'}.'_'.$val => $now },
                                 $env{'user.domain'},$domconfiguser) eq 'ok') {
            my %userrequest = (
                author => {
                            timestamp   => $now,
                            status      => $val,
                          },
                author_status => $val,
            );
            my $req_notifylist;
            if (ref($domconfig{'requestauthor'}) eq 'HASH') {
                if (ref($domconfig{'requestauthor'}{'notify'}) eq 'HASH') {
                    my $req_notifylist = $domconfig{'requestauthor'}{'notify'}{'approval'};
                    if ($req_notifylist) {
                        my $fullname = &Apache::loncommon::plainname($env{'user.name'},
                                                                     $env{'user.domain'});
                        my $sender = $env{'user.name'}.':'.$env{'user.domain'};
                        my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
                        &send_selfserve_notification($req_notifylist,
                                                     "$fullname ($env{'user.name'}:$env{'user.domain'})",
                                                     undef,$domdesc,$now,'authorreq',$sender);
                    }
                }
            }
            my $userresult =
                &Apache::lonnet::put('requestauthor',\%userrequest,$env{'user.domain'},$env{'user.name'});
            $output = '<span class="LC_info">'.
                      &mt('Your request for Authoring Space has been submitted for approval.').
                      '</span>';
            &Apache::lonnet::appenv({'environment.requestauthorqueued' => $val.':'.$now});
        } else {
            $output = '<span class="LC_info">'.
                      &mt('An error occurred saving your request for Authoring Space.').
                      '</span>';
        }
    }
    return $output;
}

1;