Annotation of loncom/interface/lonsyllabus.pm, revision 1.6

1.1       www         1: # The LearningOnline Network
                      2: # Syllabus
                      3: #
1.6     ! www         4: # $Id: lonsyllabus.pm,v 1.5 2002/08/27 19:59:08 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;
1.5       www        35: use Apache::lontexconvert;
1.1       www        36: 
                     37: sub handler {
                     38:     my $r = shift;
                     39:     $r->content_type('text/html');
                     40:     $r->send_http_header;
                     41:     return OK if $r->header_only;
                     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: 	$r->print('<body>No syllabus available</body>');
                     54:         return OK;
                     55:     }
1.5       www        56: # --------------------------------------------------------- The syllabus fields
                     57:     my %syllabusfields=(
                     58:        'aaa_instructorinfo' => 'Instructor Information',
                     59:        'bbb_description'    => 'Course Description',
                     60:        'ccc_prereq'         => 'Prerequisites',
                     61:        'ddd_officehours'    => 'Office Hours',
                     62:        'eee_helproom'       => 'Helproom Hours',
                     63:        'fff_examinfo'       => 'Exam Information',
                     64:        'ggg_grading'        => 'Grading Information',
                     65:        'hhh_readings'       => 'Readings');
                     66: 
1.6     ! www        67: # --------------------------------------------------------------- Force Student
        !            68:     &Apache::loncommon::get_unprocessed_cgi
        !            69:                                        ($ENV{'QUERY_STRING'},['forcestudent']);
        !            70:     my $forcestudent='';
        !            71:     if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
1.5       www        72:        
1.3       www        73: # ------------------------------------- There is such a course, get environment
1.2       www        74:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.6     ! www        75:     $r->print(&Apache::loncommon::bodytag
        !            76:                                        ("Syllabus",$forcestudent,'','',$cdom));
1.2       www        77:     $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
                     78:               $Apache::lonnet::domaindescription{$cdom}.'</h3>');
1.4       www        79:     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
1.5       www        80:     my $allowed=0;
1.4       www        81: 
1.2       www        82: # This handler might be called anonymously ...
                     83: # ----------------------------------------------------- Only if not public call
                     84:     if ($ENV{'user.environment'}) {
1.1       www        85: # does this user have privileges to post, etc?
1.2       www        86:        if ($ENV{'request.course.id'}) {
                     87:           $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
1.6     ! www        88:           if ($forcestudent) { $allowed=0; }
1.2       www        89:        }
1.6     ! www        90:        if ($allowed) {
        !            91:           $r->print(
        !            92: 	  '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a></p>');
        !            93:       }
1.5       www        94:        if (($allowed) && ($ENV{'form.storesyl'})) {
                     95: 	   foreach (keys %syllabusfields) {
                     96:                my $field=$ENV{'form.'.$_};
                     97:                $field=~s/\s+$//s;
                     98:                $field=~s/\</\&lt\;/g;
                     99:                $field=~s/\>/\&gt\;/g;
                    100: 	       if ($field) {
                    101: 		   $syllabus{$_}=$field;
                    102:                } else {
                    103:                    delete $syllabus{$_};
                    104:                }
                    105:            }
                    106:            $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
                    107:            $syllabus{'uploaded.name'}=$ENV{'user.name'};
                    108:            $syllabus{'uploaded.lastmodified'}=time;
                    109:            &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
                    110:        }
1.4       www       111:     }
                    112: # ---------------------------------------------------------------- Get syllabus
1.5       www       113:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.4       www       114:        $r->print('<table><tr><td>Uploaded:</td><td>'.
                    115:  &Apache::loncommon::plainname($syllabus{'uploaded.name'},
                    116:                      $syllabus{'uploaded.domain'}).
                    117:  '</td></tr><tr><td>Last updated</td><td>'.
                    118:                      localtime($syllabus{'uploaded.lastmodified'}).
1.5       www       119:                      '</td></tr></table><p>');
                    120:        if ($allowed) {
                    121: 	   $r->print('<form method="post">');
                    122:        }
                    123:        foreach (sort keys %syllabusfields) {
                    124:           if (($syllabus{$_}) || ($allowed)) {
                    125:               my $message=$syllabus{$_};
                    126:               $message=~s/\n/\<br \/\>/g;
                    127:               $message
                    128:              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
                    129: 	      $message=&Apache::lontexconvert::msgtexconverted($message);
                    130:               $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
                    131:                         $message.'</blockquote>');
                    132:               if ($allowed) {
                    133:                  $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
                    134: 			   $syllabus{$_}.
                    135:            '</textarea><input type="submit" name="storesyl" value="Store" />');
                    136: 	      }
                    137: 	  }
                    138:        }
                    139:        if ($allowed) {
                    140: 	   $r->print('</form>');
                    141:        }
                    142:        $r->print('</p>');
1.4       www       143:     } else {
                    144:        $r->print('<p>No syllabus information provided.</p>');
1.1       www       145:     }
                    146:     $r->print('</body></html>');
                    147:     return OK;
                    148: } 
                    149: 
                    150: 1;
                    151: __END__

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