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Annotation of loncom/interface/lonsyllabus.pm, revision 1.4

1.1       www         1: # The LearningOnline Network
                      2: # Syllabus
                      3: #
1.4     ! www         4: # $Id: lonsyllabus.pm,v 1.3 2002/08/27 15:40:27 www Exp $
1.1       www         5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: 
                     29: package Apache::lonsyllabus;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::loncommon;
                     34: use Apache::lonnet;
                     35: 
                     36: sub handler {
                     37:     my $r = shift;
                     38:     $r->content_type('text/html');
                     39:     $r->send_http_header;
                     40:     return OK if $r->header_only;
                     41: 
                     42: 
                     43: # ------------------------------------------------------------ Print the screen
                     44:     $r->print(<<ENDDOCUMENT);
                     45: <html>
                     46: <head>
                     47: <title>The LearningOnline Network with CAPA</title>
                     48: </head>
                     49: ENDDOCUMENT
1.2       www        50:     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.3       www        51: # Is this even a course?
1.4     ! www        52:     if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
1.3       www        53: 	$r->print('<body>No syllabus available</body>');
                     54:         return OK;
                     55:     }
                     56: # ------------------------------------- There is such a course, get environment
1.2       www        57:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
                     58:     $r->print(&Apache::loncommon::bodytag("Syllabus",'','','',$cdom));
                     59:     $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
                     60:               $Apache::lonnet::domaindescription{$cdom}.'</h3>');
1.4     ! www        61:     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
        !            62: 
1.2       www        63: # This handler might be called anonymously ...
                     64: # ----------------------------------------------------- Only if not public call
                     65:     if ($ENV{'user.environment'}) {
1.1       www        66: # does this user have privileges to post, etc?
1.2       www        67:        my $allowed=0;
                     68:        if ($ENV{'request.course.id'}) {
                     69:           $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
                     70:        }
1.4     ! www        71:     }
        !            72: # ---------------------------------------------------------------- Get syllabus
        !            73:     if ($ENV{'uploaded.lastmodified'}) {
        !            74:        $r->print('<table><tr><td>Uploaded:</td><td>'.
        !            75:  &Apache::loncommon::plainname($syllabus{'uploaded.name'},
        !            76:                      $syllabus{'uploaded.domain'}).
        !            77:  '</td></tr><tr><td>Last updated</td><td>'.
        !            78:                      localtime($syllabus{'uploaded.lastmodified'}).
        !            79:                      '</td></tr></table>');
        !            80:         $r->print('<blockquote>'.$syllabus{'description'}.'</blockquote>');
        !            81:     } else {
        !            82:        $r->print('<p>No syllabus information provided.</p>');
1.1       www        83:     }
                     84:     $r->print('</body></html>');
                     85:     return OK;
                     86: } 
                     87: 
                     88: 1;
                     89: __END__
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