# The LearningOnline Network
# Create a course
#
# $Id: loncreatecourse.pm,v 1.41 2003/12/05 21:34:48 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/
#
# (My Desk
#
# (Internal Server Error Handler
#
# (Login Screen
# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
#
# 3/1/1 Gerd Kortemeyer)
#
# 3/1 Gerd Kortemeyer)
#
# 2/14,2/16,2/17,7/6 Gerd Kortemeyer
#
package Apache::loncreatecourse;

use strict;
use Apache::Constants qw(:common :http);
use Apache::lonnet;
use Apache::loncommon;
use Apache::lonratedt;
use Apache::londocs;
use Apache::lonlocal;
use Apache::londropadd;

# ================================================ Get course directory listing

sub crsdirlist {
    my ($courseid,$which)=@_;
    unless ($which) { $which=''; }
    my %crsdata=&Apache::lonnet::coursedescription($courseid);
    my @listing=&Apache::lonnet::dirlist
	($which,$crsdata{'domain'},$crsdata{'num'},
	 &Apache::loncommon::propath($crsdata{'domain'},$crsdata{'num'}));
    my @output=();
    foreach (@listing) {
	unless ($_=~/^\./) {
	    push (@output,(split(/\&/,$_))[0]);
	}
    }
    return @output;
}

# ============================================================= Read a userfile

sub readfile {
    my ($courseid,$which)=@_;
    my %crsdata=&Apache::lonnet::coursedescription($courseid);
    return &Apache::lonnet::getfile('/uploaded/'.$crsdata{'domain'}.'/'.
				    $crsdata{'num'}.'/'.$which);
}

# ============================================================ Write a userfile

sub writefile {
    (my $courseid, my $which,$ENV{'form.output'})=@_;
    my %crsdata=&Apache::lonnet::coursedescription($courseid);
    return &Apache::lonnet::finishuserfileupload(
					  $crsdata{'num'},$crsdata{'domain'},
					  $crsdata{'home'},
					  'output',$which);
}

# ===================================================================== Rewrite

sub rewritefile {
    my ($contents,%rewritehash)=@_;
    foreach (keys %rewritehash) {
	my $pattern=$_;
	$pattern=~s/(\W)/\\$1/gs;
	my $new=$rewritehash{$_};
	$contents=~s/$pattern/$new/gs;
    }
    return $contents;
}

# ============================================================= Copy a userfile

sub copyfile {
    my ($origcrsid,$newcrsid,$which)=@_;
    unless ($which=~/\.sequence$/) {
	return &writefile($newcrsid,$which,
		      &readfile($origcrsid,$which));
    } else {
	my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
	my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
	return &writefile($newcrsid,$which,
		 &rewritefile(
                     &readfile($origcrsid,$which),
	    (
       '/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'
    => '/uploaded/'. $newcrsdata{'domain'}.'/'. $newcrsdata{'num'}.'/'
            )));
    }
}

# =============================================================== Copy a dbfile

sub copydb {
    my ($origcrsid,$newcrsid,$which)=@_;
    $which=~s/\.db$//;
    my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
    my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
    my %data=&Apache::lonnet::dump
	($which,$origcrsdata{'domain'},$origcrsdata{'num'});
    return &Apache::lonnet::put
	($which,\%data,$newcrsdata{'domain'},$newcrsdata{'num'});
}

# ========================================================== Copy resourcesdata

sub copyresourcedb {
    my ($origcrsid,$newcrsid)=@_;
    my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
    my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
    my %data=&Apache::lonnet::dump
	('resourcedata',$origcrsdata{'domain'},$origcrsdata{'num'});
    $origcrsid=~s/^\///;
    $origcrsid=~s/\//\_/;
    $newcrsid=~s/^\///;
    $newcrsid=~s/\//\_/;
    my %newdata=();
    undef %newdata;
    my $startdate=$data{$origcrsid.'.0.opendate'};
    my $today=time;
    my $delta=0;
    if ($startdate) {
	my $oneday=60*60*24;
	$delta=$today-$startdate;
	$delta=int($delta/$oneday)*$oneday;
    }
# ugly retro fix for broken version of types
    foreach (keys %data) {
	if ($_=~/\wtype$/) {
	    my $newkey=$_;
	    $newkey=~s/type$/\.type/;
	    $data{$newkey}=$data{$_};
	    delete $data{$_};
	}
    }
# adjust symbs
    my $pattern='uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/';
    $pattern=~s/(\W)/\\$1/gs;
    my $new=    'uploaded/'. $newcrsdata{'domain'}.'/'. $newcrsdata{'num'}.'/';
    foreach (keys %data) {
	if ($_=~/$pattern/) {
	    my $newkey=$_;
	    $newkey=~s/$pattern/$new/;
	    $data{$newkey}=$data{$_};
	    delete $data{$_};
	}
    }
# adjust dates
    foreach (keys %data) {
	my $thiskey=$_;
	$thiskey=~s/^$origcrsid/$newcrsid/;
	$newdata{$thiskey}=$data{$_};
	if ($data{$_.'.type'}=~/^date/) {
	    $newdata{$thiskey}=$newdata{$thiskey}+$delta;
	}
    }
    return &Apache::lonnet::put
	('resourcedata',\%newdata,$newcrsdata{'domain'},$newcrsdata{'num'});
}

# ========================================================== Copy all userfiles

sub copyuserfiles {
    my ($origcrsid,$newcrsid)=@_;
    foreach (&crsdirlist($origcrsid,'userfiles')) {
	&copyfile($origcrsid,$newcrsid,$_);
    }
}
# ========================================================== Copy all userfiles

sub copydbfiles {
    my ($origcrsid,$newcrsid)=@_;
    foreach (&crsdirlist($origcrsid)) {
	if ($_=~/\.db$/) {
	    unless 
             ($_=~/^(nohist\_|discussiontimes|classlist|versionupdate|resourcedata)/) {
		 &copydb($origcrsid,$newcrsid,$_);
	     }
	}
    }
}

# ======================================================= Copy all course files

sub copycoursefiles {
    my ($origcrsid,$newcrsid)=@_;
    &copyuserfiles($origcrsid,$newcrsid);
    &copydbfiles($origcrsid,$newcrsid);
    &copyresourcedb($origcrsid,$newcrsid);
}

# ===================================================== Phase one: fill-in form

sub print_course_creation_page {
    my $r=shift;
    my $defdom=$ENV{'request.role.domain'};
    my %host_servers = &Apache::loncommon::get_library_servers($defdom);
    my $course_home = '<select name="course_home" size="1">'."\n";
    foreach my $server (sort(keys(%host_servers))) {
        $course_home .= qq{<option value="$server"};
        if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
            $course_home .= " selected ";
        }
        $course_home .= qq{>$server $host_servers{$server}</option>};
    }
    $course_home .= "\n</select>\n";
    my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
    my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
    my $helplink=&Apache::loncommon::help_open_topic('Create_Course','Help on Creating Courses');
    my $cloneform=&Apache::loncommon::select_dom_form
	($ENV{'request.role.domain'},'clonedomain').
		     &Apache::loncommon::selectcourse_link
		     ('ccrs','clonecourse','clonedomain');
    my $coursebrowserjs=&Apache::loncommon::coursebrowser_javascript();
    print STDERR "Course browser js is $coursebrowserjs\n";
    my $date_table = &Apache::londropadd::date_setting_table('','','createcourse');
    my ($krbdef,$krbdefdom) =
    &Apache::loncommon::get_kerberos_defaults($defdom);
    my $javascript_validations=&Apache::londropadd::javascript_validations('createcourse',$krbdefdom);
    my %param = ( formname => 'document.ccrs',
                   kerb_def_dom => $krbdefdom,
                   kerb_def_auth => $krbdef
                );
    my $krbform = &Apache::loncommon::authform_kerberos(%param);
    my $intform = &Apache::loncommon::authform_internal(%param);
    my $locform = &Apache::loncommon::authform_local(%param);
    $r->print(<<ENDDOCUMENT);
<html>
<script language="JavaScript" type="text/javascript">
var editbrowser = null;
function openbrowser(formname,elementname) {
    var url = '/res/?';
    if (editbrowser == null) {
        url += 'launch=1&';
    }
    url += 'catalogmode=interactive&';
    url += 'mode=edit&';
    url += 'form=' + formname + '&';
    url += 'element=' + elementname + '&';
    url += 'only=sequence' + '';
    var title = 'Browser';
    var options = 'scrollbars=1,resizable=1,menubar=0';
    options += ',width=700,height=600';
    editbrowser = open(url,title,options,'1');
    editbrowser.focus();
}
$javascript_validations
</script>
$coursebrowserjs
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
$helplink
<form action="/adm/createcourse" method="post" name="ccrs">
<h2>Course Information</h2>
<p>
<b>Course Title:</b>
<input type="text" size="50" name="title">
</p><p>
<b>Course Home Server:</b>$course_home
</p><p>
<b>Course ID/Number (optional)</b>
<input type="text" size="30" name="crsid">
</p><p>
<h2>Institutional Information</h2>
<p>
The following entries will be used to identify the course according to the naming scheme adopted by your institution. Your choices will be used to map an internal LON-CAPA course ID to the corresponding course section ID(s) used by the office responsible for providing official class lists for courses at your institution. This mapping is required if you choose to employ automatic population of class lists.
</p><p>
<b>Course Code</b>
<input type="text" size="30" name="crscode" /><br/>
(to interface with institutional data, e.g., fs03glg231 for Fall 2003 Geology 231)
</p><p>
<b>Section Numbers and corresponding LON-CAPA section/group IDs</b>
 <input type="text" size="30" name="crssections" /><br/>
(a comma separated list of institutional section numbers, each separated by a colon
from the (optional) corresponding section/group ID to be used in LON-CAPA e.g., 001:1,002:2)
</p><p>
<b>Crosslisted courses</b>
<input type="text" size="30" name="crsxlist" /><br/>
(a comma separated list of course sections crosslisted with the current course, with each entry including the institutional course section name followed by a colon and then the (optional) groupID to be used in LON-CAPA, e.g., fs03ent231001:ent1,fs03bot231001:bot1,fs03zol231002:bot2)
</p>
<h2>Course Content</h2>
<table border="2">
<tr><th>Completely new course</th><th>Clone an existing course</th></tr>
<tr><td>
<p>
<b>Map:</b>
<input type="text" size="50" name="topmap">
<a href="javascript:openbrowser('ccrs','topmap')">Select Map</a>
</p><p>
<b>Do NOT generate as standard course</b><br /> 
(only check if you know what you are doing):
<input type="checkbox" name="nonstandard">
</p>
<p>
<b>First Resource</b><br />(standard courses only):
<input type="radio" name="firstres" value="blank">Blank
&nbsp;
<input type="radio" name="firstres" value="syl" checked>Syllabus
&nbsp;
<input type="radio" name="firstres" value="nav">Navigate
</p>
</td><td>
Course ID: <input input type="text" size="25" name="clonecourse" value="" />
<br />
Domain: 
$cloneform<br />&nbsp;<br />
Additional settings, if specified below, will override cloned settings.
</td></tr>
</table>
<h2>Assessment Parameters</h2>
<p>
<b>Open all assessments: </b>
<input type="checkbox" name="openall" checked>
</p>
<h2>Messaging</h2>
<p>
<b>Set course policy feedback to Course Coordinator: </b>
<input type="checkbox" name="setpolicy" checked>
</p><p>
<b>Set content feedback to Course Coordinator: </b>
<input type="checkbox" name="setcontent" checked>
</p>
<h2>Communication</h2>
<p>
<b>Disable student resource discussion: </b>
<input type="checkbox" name="disresdis" /> <br />
<b>Disable student use of chatrooms: </b>
<input type="checkbox" name="disablechat" />
</p>
<h2>Access Control</h2>
<p>
<b>Students need access key to enter course: </b>
<input type="checkbox" name="setkeys" />
</p>
<h2>Course Coordinator</h2>
<p>
<b>Username:</b> <input type="text" size="15" name="ccuname" />
</p><p>
<b>Domain:</b> $domform
</p><p>
<b>Immediately expire own role as Course Coordinator:</b>
<input type="checkbox" name="expireown" checked>
</p><p>
<h2>Automated enrollment settings</h2>
The following settings control automatic enrollment of students in this class based
on information available for this specific course from your institution's official classlists.
</p>
<p>
<b>Automated adds</b>
<input type="radio" name="autoadds" value="1" checked="true" />Yes <input type="radio" name="autoadds" value="0" />No
</p><p>
<b>Automated drops</b>
<input type="radio" name="autodrops" value="1" checked="true" />Yes <input type="radio" name="autodrops" value="0" />No
</p><p>
<b>Duration of automated classlist updates</b>
$date_table
</p><p>
<b>Please select the authentication mechanism.</b><br />
Please choose the default authentication method to be used by new users added to this LON-CAPA domain by the automated enrollment process.
</p><p>
$krbform
<br />
$intform
<br />
$locform
</p><p>
<b>Notification of enrollment changes</b><br />
Notification to course coordinator via LON-CAPA message when enrollment changes occur during the automated update?<br/>
<input type="radio" name="notify" value="1" />Yes <input type="radio" name="notify"
value="0" />No
</p><p>
<b>Include retrieval of student photographs?</b> <input type="radio" name="showphotos" value="1" />Yes <input type="radio" name="showphotos" value="0" checked="true" />No
</p><p>
<input type="hidden" name="phase" value="two" />
<input type="button" onClick="verify_message(this.form)" value="Open Course">
</p>
</form>
</body>
</html>
ENDDOCUMENT
}

# ====================================================== Phase two: make course

sub create_course {
    my $r=shift;
    my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});
    my $ccuname=$ENV{'form.ccuname'};
    my $ccdomain=$ENV{'form.ccdomain'};
    $ccuname=~s/\W//g;
    $ccdomain=~s/\W//g;
    my $cdescr=$ENV{'form.title'};
    my $curl=$ENV{'form.topmap'};
    my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
    $r->print(<<ENDENHEAD);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
ENDENHEAD
    #
    # Verify data
    #
    # Check the veracity of the course coordinator
    if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
        $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
	return;
    }
    # Check the proposed home server for the course
    my %host_servers = &Apache::loncommon::get_library_servers
        ($ENV{'request.role.domain'});
    if (! exists($host_servers{$ENV{'form.course_home'}})) {
        $r->print('Invalid home server for course: '.
                  $ENV{'form.course_home'}.'</body></html>');
        return;
    }
#
# Open course
#
    my %cenv=();
    my $courseid=&Apache::lonnet::createcourse($ENV{'request.role.domain'},
                                               $cdescr,$curl,
                                               $ENV{'form.course_home'},
                                               $ENV{'form.nonstandard'});

    # Note: The testing routines depend on this being output; see 
    # Utils::Course. This needs to at least be output as a comment
    # if anyone ever decides to not show this, and Utils::Course::new
    # will need to be suitably modified.
    $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
#
# Check if created correctly
#
    my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
    my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
    $r->print('Created on: '.$crsuhome.'<br>');
#
# Are we cloning?
#
    my $cloneid='';
    if (($ENV{'form.clonecourse'}) && ($ENV{'form.clonedomain'})) {
	$cloneid='/'.$ENV{'form.clonedomain'}.'/'.$ENV{'form.clonecourse'};
        my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
	my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
	if ($clonehome eq 'no_host') {
	    $r->print(
    '<br /><font color="red">Attempting to clone non-existing course '.$cloneid.'</font>');
	} else {
	    $r->print(
    '<br /><font color="green">Cloning course from '.$clonehome.'</font>');
	    my %oldcenv=&Apache::lonnet::dump('environment',$crsudom,$crsunum);
# Copy all files
	    &copycoursefiles($cloneid,$courseid);
# Restore URL
	    $cenv{'url'}=$oldcenv{'url'};
# Restore title
	    $cenv{'description'}=$oldcenv{'description'};
# Mark as cloned
	    $cenv{'clonedfrom'}=$cloneid;
	}
    }
#
# Set environment (will override cloned, if existing)
#
    if ($ENV{'form.crsid'}) {
        $cenv{'courseid'}=$ENV{'form.crsid'};
    }
    if ($ENV{'form.crscode'}) {
        $cenv{'internal.coursecode'}=$ENV{'form.crscode'};
    }
    if ($ENV{'form.crssections'}) {
        $cenv{'internal.sectionnums'}=$ENV{'form.crssections'};
    }
    if ($ENV{'form.crsxlist'}) {
        $cenv{'internal.crosslistings'}=$ENV{'form.crsxlist'};
    }
    if ($ENV{'form.autoadds'}) {
        $cenv{'internal.autoadds'}=$ENV{'form.autoadds'};
    }
    if ($ENV{'form.autodrops'}) {
        $cenv{'internal.autodrops'}=$ENV{'form.autodrops'};
    }
    if ($ENV{'form.notify'}) {
      if ($ccuname) {
        $cenv{'internal.notifylist'} = $ccuname;
      }
    }
    if ($ccuname) {
        $cenv{'internal.courseowner'} = $ccuname;
    }
    my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
    my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
    if ($ENV{'form.no_end_date'}) {
      $enddate = 0;
    }
    $cenv{'internal.autostart'}=$startdate;
    $cenv{'internal.autoend'}=$enddate;
    if ($ENV{'form.showphotos'}) {
      $cenv{'internal.showphotos'}=$ENV{'form.showphotos'};
    }
    if ($ENV{'form.login'} eq 'krb') {
        $cenv{'internal.authtype'} = 'krb';
        $cenv{'internal.authtype'} .=$ENV{'form.krbver'};
        $cenv{'internal.autharg'} = $ENV{'form.krbarg'};
    } elsif ($ENV{'form.login'} eq 'int') {
        $cenv{'internal.authtype'} ='internal';
        if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
            $cenv{'internal.autharg'} = $ENV{'form.intarg'};
        }
    } elsif ($ENV{'form.login'} eq 'loc') {
        $cenv{'internal.authtype'} = 'localauth';
        if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
            $cenv{'internal.autharg'} = $ENV{'form.locarg'};
        }
    }
    if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
        if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'}  eq '') {
            $r->print('<font color="red" size="+1">'.
                      'As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student'.'</font></p>');
        }
    }
    if (($ccdomain) && ($ccuname)) {
       if ($ENV{'form.setpolicy'}) {
           $cenv{'policy.email'}=$ccuname.':'.$ccdomain;
       }
       if ($ENV{'form.setcontent'}) {
           $cenv{'question.email'}=$ccuname.':'.$ccdomain;
       }
    }
    if ($ENV{'form.setkeys'}) {
       $cenv{'keyaccess'}='yes';
    }
    if ($ENV{'form.disresdis'}) {
        $cenv{'pch.roles.denied'}='st';
    }
    if ($ENV{'form.disablechat'}) {
        $cenv{'plc.roles.denied'}='st';
    }

    # Record we've not yet viewed the Course Initialization Helper for this 
    # course
    $cenv{'course.helper.not.run'} = 1;
    #
    # Use new Randomseed
    #
    $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
    #
    # By default, use standard grading
    $cenv{'grading'} = 'standard';

    $r->print('<br />Setting environment: '.                 
          &Apache::lonnet::put('environment',\%cenv,$crsudom,$crsunum).'<br>');
#
# Open all assignments
#
    if ($ENV{'form.openall'}) {
       my $storeunder=$crsudom.'_'.$crsunum.'.0.opendate';
       my %storecontent = ($storeunder         => time,
                           $storeunder.'.type' => 'date_start');
       
       $r->print('Opening all assignments: '.&Apache::lonnet::cput
                 ('resourcedata',\%storecontent,$crsudom,$crsunum).'<br>');
   }
#
# Set first page
#
    unless (($ENV{'form.nonstandard'}) || ($ENV{'form.firstres'} eq 'blank')) {
	$r->print('Setting first resource: ');
        my ($errtext,$fatal)=
           &Apache::londocs::mapread($crsunum,$crsudom,'default.sequence');
        $r->print(($fatal?$errtext:'read ok').' - ');
        my $title; my $url;
        if ($ENV{'form.firstres'} eq 'syl') {
	    $title='Syllabus';
            $url='/public/'.$crsudom.'/'.$crsunum.'/syllabus';
        } else {
            $title='Navigate Contents';
            $url='/adm/navmaps';
        }
        $Apache::lonratedt::resources[1]=$title.':'.$url.':false:start:res';
        ($errtext,$fatal)=
           &Apache::londocs::storemap($crsunum,$crsudom,'default.sequence');
        $r->print(($fatal?$errtext:'write ok').'<br>');
  }
#
# Make current user course adminstrator
#
    my $end=undef;
    my $addition='';
    if ($ENV{'form.expireown'}) { $end=time+5; $addition='expired'; }
    $r->print('Assigning '.$addition.' role of course coordinator to self: '.
    &Apache::lonnet::assignrole(
     $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc',$end).'<br>');
#
# Make additional user course administrator
#
   if (($ccdomain) && ($ccuname)) {
    $r->print('Assigning role of course coordinator to '.
               $ccuname.' at '.$ccdomain.': '.
    &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
   }
    if ($ENV{'form.setkeys'}) {
	$r->print(
 '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">Manage Access Keys</a></p>');
    }
    $r->print('<p>Roles will be active at next login.</p></body></html>');
}

# ===================================================================== Handler
sub handler {
    my $r = shift;

    if ($r->header_only) {
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
       return OK;
    }

    if (&Apache::lonnet::allowed('ccc',$ENV{'request.role.domain'})) {
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;

       if ($ENV{'form.phase'} eq 'two') {
           &create_course($r);
       } else {
	   &print_course_creation_page($r);
       }
   } else {
      $ENV{'user.error.msg'}=
        "/adm/createcourse:ccc:0:0:Cannot create courses";
      return HTTP_NOT_ACCEPTABLE; 
   }
   return OK;
} 

1;
__END__