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File:  [LON-CAPA] / loncom / interface / loncreatecourse.pm
Revision 1.4: download - view: text, annotated - select for diffs
Fri Jul 6 14:17:48 2001 UTC (22 years, 10 months ago) by www
Branches: MAIN
CVS tags: stable_2001_fall, HEAD
Course ID

# The LearningOnline Network
# Create a course
# (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;

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

sub phase_one {
    my $r=shift;

    my $defdom=$ENV{'user.domain'};
    $r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
<body bgcolor="#FFFFFF">
<img align=right src=/adm/lonIcons/lonlogos.gif>
<h1>Create a new Course</h1>
<form action=/adm/createcourse method=post>
<h3>Course Title</h3>
<input type=text size=50 name=title>
<h3>Top-level Map</h3>
<input type=text size=50 name=topmap>
<h3>Course ID/Number (optional)</h3>
<input type=text size=30 name=crsid>
<h3>Course Cooordinator</h3>
Username: <input type=text size=15 name=ccuname><br>
Domain: <input type=text size=15 name=ccdomain value=$defdom>
<input type=hidden name=phase value=two><p>
<input type=submit value="Open Course">
</form>
</body>
</html>
ENDDOCUMENT
}

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

sub phase_two {
    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'};
    $r->print(<<ENDENHEAD);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
<body bgcolor="#FFFFFF">
<img align=right src=/adm/lonIcons/lonlogos.gif>
<h1>Create a new Course</h1>
ENDENHEAD
#
# Verify data
#
    if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
        $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
	return;
    }

#
# Open course
#
    my $courseid=&Apache::lonnet::createcourse($ENV{'user.domain'},
                                               $cdescr,$curl);

    $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
#
# Set optional courseid
#
    my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
    my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
    $r->print('Created on: '.$crsuhome.'<br>');
    if ($ENV{'form.crsid'}) {
       $r->print('Setting optional Course ID/Number: '.                 
           &Apache::lonnet::reply('put:'.$crsudom.':'.
                                  $crsunum.':environment:courseid='.
                                  &Apache::lonnet::escape($ENV{'form.crsid'}),
                                  $crsuhome).'<br>');
    }
#
# Make current user course adminstrator
#
    $r->print('Assigning role of course coordinator to self: '.
    &Apache::lonnet::assignrole(
     $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc').'<br>');
#
# Make additional user course administrator
#
    $r->print('Assigning role of course coordinator to '.
               $ccuname.' at '.$ccdomain.': '.
    &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
    $r->print('Roles will be active at next login.</body></html>');
}

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

    if ($r->header_only) {
       $r->content_type('text/html');
       $r->send_http_header;
       return OK;
    }

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

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

1;
__END__
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