Annotation of loncom/interface/lonsyllabus.pm, revision 1.8

1.1       www         1: # The LearningOnline Network
                      2: # Syllabus
                      3: #
1.8     ! www         4: # $Id: lonsyllabus.pm,v 1.7 2002/08/28 14:11:27 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;
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?
1.7       www        52:     my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); 
                     53:     if ($homeserver eq 'no_host') {
1.3       www        54: 	$r->print('<body>No syllabus available</body>');
                     55:         return OK;
                     56:     }
1.5       www        57: # --------------------------------------------------------- The syllabus fields
                     58:     my %syllabusfields=(
                     59:        'aaa_instructorinfo' => 'Instructor Information',
                     60:        'bbb_description'    => 'Course Description',
                     61:        'ccc_prereq'         => 'Prerequisites',
1.7       www        62:        'cdc_classhours'     => 'Class Hours',
1.5       www        63:        'ddd_officehours'    => 'Office Hours',
                     64:        'eee_helproom'       => 'Helproom Hours',
1.7       www        65:        'efe_projectinfo'    => 'Project Information',
1.5       www        66:        'fff_examinfo'       => 'Exam Information',
1.7       www        67:        'fgf_deadlines'      => 'Deadlines',
1.5       www        68:        'ggg_grading'        => 'Grading Information',
1.7       www        69:        'hhh_readings'       => 'Readings',
                     70:        'iii_coursepack'     => 'Coursepack',
                     71:        'jjj_weblinks'       => 'Web Links',
                     72:        'kkk_textbook'       => 'Textbook');
1.5       www        73: 
1.6       www        74: # --------------------------------------------------------------- Force Student
                     75:     &Apache::loncommon::get_unprocessed_cgi
                     76:                                        ($ENV{'QUERY_STRING'},['forcestudent']);
                     77:     my $forcestudent='';
                     78:     if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
1.5       www        79:        
1.3       www        80: # ------------------------------------- There is such a course, get environment
1.2       www        81:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.6       www        82:     $r->print(&Apache::loncommon::bodytag
                     83:                                        ("Syllabus",$forcestudent,'','',$cdom));
1.2       www        84:     $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
                     85:               $Apache::lonnet::domaindescription{$cdom}.'</h3>');
1.4       www        86:     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
1.5       www        87:     my $allowed=0;
1.4       www        88: 
1.2       www        89: # This handler might be called anonymously ...
                     90: # ----------------------------------------------------- Only if not public call
                     91:     if ($ENV{'user.environment'}) {
1.1       www        92: # does this user have privileges to post, etc?
1.2       www        93:        if ($ENV{'request.course.id'}) {
                     94:           $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
1.6       www        95:           if ($forcestudent) { $allowed=0; }
1.2       www        96:        }
1.6       www        97:        if ($allowed) {
1.7       www        98:           $r->print('<p>This syllabus can be publically viewed at <tt>http://'.
                     99: 		    $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt></p>'.
1.6       www       100: 	  '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a></p>');
                    101:       }
1.5       www       102:        if (($allowed) && ($ENV{'form.storesyl'})) {
                    103: 	   foreach (keys %syllabusfields) {
                    104:                my $field=$ENV{'form.'.$_};
                    105:                $field=~s/\s+$//s;
                    106:                $field=~s/\</\&lt\;/g;
                    107:                $field=~s/\>/\&gt\;/g;
1.7       www       108: 	       $syllabus{$_}=$field;
1.5       www       109:            }
                    110:            $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
                    111:            $syllabus{'uploaded.name'}=$ENV{'user.name'};
                    112:            $syllabus{'uploaded.lastmodified'}=time;
                    113:            &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
                    114:        }
1.4       www       115:     }
                    116: # ---------------------------------------------------------------- Get syllabus
1.5       www       117:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.8     ! www       118:        my $lastmod=$syllabus{'uploaded.lastmodified'};
        !           119:        $lastmod=($lastmod?localtime($lastmod):'never');
        !           120: 
1.4       www       121:        $r->print('<table><tr><td>Uploaded:</td><td>'.
1.7       www       122:  &Apache::loncommon::aboutmewrapper(
1.4       www       123:  &Apache::loncommon::plainname($syllabus{'uploaded.name'},
1.7       www       124:                      $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
1.4       www       125:                      $syllabus{'uploaded.domain'}).
1.8     ! www       126:  '</td></tr><tr><td>Last updated:</td><td>'.
        !           127:                      $lastmod.
1.5       www       128:                      '</td></tr></table><p>');
                    129:        if ($allowed) {
                    130: 	   $r->print('<form method="post">');
                    131:        }
                    132:        foreach (sort keys %syllabusfields) {
                    133:           if (($syllabus{$_}) || ($allowed)) {
                    134:               my $message=$syllabus{$_};
                    135:               $message=~s/\n/\<br \/\>/g;
                    136:               $message
                    137:              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
                    138: 	      $message=&Apache::lontexconvert::msgtexconverted($message);
                    139:               $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
                    140:                         $message.'</blockquote>');
                    141:               if ($allowed) {
                    142:                  $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
                    143: 			   $syllabus{$_}.
                    144:            '</textarea><input type="submit" name="storesyl" value="Store" />');
                    145: 	      }
                    146: 	  }
                    147:        }
                    148:        if ($allowed) {
                    149: 	   $r->print('</form>');
                    150:        }
                    151:        $r->print('</p>');
1.4       www       152:     } else {
                    153:        $r->print('<p>No syllabus information provided.</p>');
1.1       www       154:     }
                    155:     $r->print('</body></html>');
                    156:     return OK;
                    157: } 
                    158: 
                    159: 1;
                    160: __END__

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