# The LearningOnline Network
# Syllabus
#
# $Id: lonsyllabus.pm,v 1.14 2003/02/28 16:16:59 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;
use Apache::lontexconvert;
use Apache::lonfeedback;
sub handler {
my $r = shift;
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
# ------------------------------------------------------------ Print the screen
$r->print(<
The LearningOnline Network with CAPA
ENDDOCUMENT
my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
# Is this even a course?
my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
if ($homeserver eq 'no_host') {
$r->print('No syllabus available');
return OK;
}
# --------------------------------------------------------- The syllabus fields
my %syllabusfields=(
'aaa_instructorinfo' => 'Instructor Information',
'bbb_description' => 'Course Description',
'ccc_prereq' => 'Prerequisites',
'cdc_classhours' => 'Class Hours',
'ddd_officehours' => 'Office Hours',
'eee_helproom' => 'Helproom Hours',
'efe_projectinfo' => 'Project Information',
'fff_examinfo' => 'Exam Information',
'fgf_deadlines' => 'Deadlines',
'ggg_grading' => 'Grading Information',
'hhh_readings' => 'Readings',
'iii_coursepack' => 'Coursepack',
'jjj_weblinks' => 'Web Links',
'kkk_textbook' => 'Textbook',
'lll_includeurl' => 'URLs To Include in Syllabus');
# ------------------------------------------------------------ Get query string
&Apache::loncommon::get_unprocessed_cgi
($ENV{'QUERY_STRING'},['forcestudent','register']);
# ----------------------------------------------------- Force menu registration
my $addentries='';
if ($ENV{'form.register'}) {
$addentries=' onLoad="'.&Apache::lonmenu::loadevents().
'" onUnload="'.&Apache::lonmenu::unloadevents().'"';
$r->print(&Apache::lonmenu::registerurl(1));
}
# --------------------------------------------------------------- Force Student
my $forcestudent='';
if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
# ------------------------------------- There is such a course, get environment
my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
$r->print(''.&Apache::loncommon::bodytag
("Syllabus",$forcestudent,$addentries,'',$cdom));
$r->print(''.$courseenv{'description'}.'
'.
$Apache::lonnet::domaindescription{$cdom}.'
');
my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
my $allowed=0;
# This handler might be called anonymously ...
# ----------------------------------------------------- Only if not public call
if ($ENV{'user.environment'}) {
# does this user have privileges to post, etc?
if ($ENV{'request.course.id'}) {
$allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
if ($forcestudent) { $allowed=0; }
}
if ($allowed) {
$r->print(''.
&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'
This syllabus can be publically viewed at http://'.
$Apache::lonnet::hostname{$homeserver}.$r->uri.''.
&Apache::loncommon::help_open_topic('Syllabus_ExtLink').'
'.
'Show Student View'.
&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').
'
');
}
if (($allowed) && ($ENV{'form.storesyl'})) {
foreach (keys %syllabusfields) {
my $field=$ENV{'form.'.$_};
$field=~s/\s+$//s;
$field=&Apache::lonfeedback::clear_out_html($field,1);
$syllabus{$_}=$field;
if ($_ eq 'lll_includeurl') { # clean up included URLs
my $field='';
foreach (split(/\n/,$syllabus{$_})) {
my $url=$_;
# get rid of leading and trailing spaces
$url=~s/^\s+//;
$url=~s/\s+$//;
if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) {
my $remainder=$2;
# remove the hostname from internal URLs
foreach (keys %Apache::lonnet::hostname) {
if ($1=~/$Apache::lonnet::hostname{$_}/i) {
$url=$remainder;
}
}
}
# norm internal URLs
unless ($url=~/^http\:/) {
$url=&Apache::lonnet::clutter($url);
}
# re-assemble field
if ($url) {
$field.=$url."\n";
}
}
$syllabus{$_}=$field;
}
}
$syllabus{'uploaded.domain'}=$ENV{'user.domain'};
$syllabus{'uploaded.name'}=$ENV{'user.name'};
$syllabus{'uploaded.lastmodified'}=time;
&Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
}
}
# ---------------------------------------------------------------- Get syllabus
if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
my $lastmod=$syllabus{'uploaded.lastmodified'};
$lastmod=($lastmod?localtime($lastmod):'never');
$r->print('Uploaded: | '.
&Apache::loncommon::aboutmewrapper(
&Apache::loncommon::plainname($syllabus{'uploaded.name'},
$syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
$syllabus{'uploaded.domain'}).
' |
Last updated: | '.
$lastmod.
' |
');
if ($allowed) {
$r->print('
');
}
$r->print('
');
} else {
$r->print('No syllabus information provided.
');
}
$r->print('