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File:  [LON-CAPA] / loncom / interface / lonsyllabus.pm
Revision 1.4: download - view: text, annotated - select for diffs
Tue Aug 27 16:49:20 2002 UTC (21 years, 8 months ago) by www
Branches: MAIN
CVS tags: HEAD
Routines to easily get plain text names and screen names for users,
and syllabus enhancements.

# The LearningOnline Network
# Syllabus
#
# $Id: lonsyllabus.pm,v 1.4 2002/08/27 16:49:20 www 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/
#

package Apache::lonsyllabus;

use strict;
use Apache::Constants qw(:common);
use Apache::loncommon;
use Apache::lonnet;

sub handler {
    my $r = shift;
    $r->content_type('text/html');
    $r->send_http_header;
    return OK if $r->header_only;


# ------------------------------------------------------------ Print the screen
    $r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
ENDDOCUMENT
    my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
# Is this even a course?
    if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
	$r->print('<body>No syllabus available</body>');
        return OK;
    }
# ------------------------------------- There is such a course, get environment
    my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
    $r->print(&Apache::loncommon::bodytag("Syllabus",'','','',$cdom));
    $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
              $Apache::lonnet::domaindescription{$cdom}.'</h3>');
    my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);

# This handler might be called anonymously ...
# ----------------------------------------------------- Only if not public call
    if ($ENV{'user.environment'}) {
# does this user have privileges to post, etc?
       my $allowed=0;
       if ($ENV{'request.course.id'}) {
          $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
       }
    }
# ---------------------------------------------------------------- Get syllabus
    if ($ENV{'uploaded.lastmodified'}) {
       $r->print('<table><tr><td>Uploaded:</td><td>'.
 &Apache::loncommon::plainname($syllabus{'uploaded.name'},
                     $syllabus{'uploaded.domain'}).
 '</td></tr><tr><td>Last updated</td><td>'.
                     localtime($syllabus{'uploaded.lastmodified'}).
                     '</td></tr></table>');
        $r->print('<blockquote>'.$syllabus{'description'}.'</blockquote>');
    } else {
       $r->print('<p>No syllabus information provided.</p>');
    }
    $r->print('</body></html>');
    return OK;
} 

1;
__END__
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