# The LearningOnline Network
# Documents
#
# $Id: londocs.pm,v 1.4 2002/07/31 14:56:36 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::londocs;
use strict;
use Apache::Constants qw(:common);
use Apache::lonnet;
use Apache::loncommon;
sub handler {
my $r = shift;
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
# does this user have privileges to post, etc?
my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
if ($allowed) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['remove'])
}
# get course data
my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
# upload a file
if (($ENV{'form.uploaddoc.filename'}) && ($allowed)) {
my $id=time.'_'.$ENV{'user.name'}.'_'.$ENV{'user.domain'};
my $url=&Apache::lonnet::userfileupload('uploaddoc');
if ($url=~/^error\:/) {
} else {
my $comment=$ENV{'form.comment'};
$comment=~s/\</\<\;/g;
$comment=~s/\>/\>\;/g;
&Apache::lonnet::put('coursedocs',
{ $id.'.url' => $url,
$id.'.comment' => $comment },
$coursedom,$coursenum);
}
}
# delete a file
if ($ENV{'form.remove'}=~/$ENV{'user.name'}\_$ENV{'user.domain'}$/) {
my $id=$ENV{'form.remove'};
&Apache::lonnet::del('coursedocs',
[$id.'.url',$id.'.comment'],
$coursedom,$coursenum);
}
# print screen
$r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
<body bgcolor="#FFFFFF">
<h1>Course Documents</h1>
ENDDOCUMENT
# ------------------------------------------------------- Print headers to docs
my %currentdocs=&Apache::lonnet::dump('coursedocs',$coursedom,$coursenum);
foreach (sort keys (%currentdocs)) {
if ($_=~/(\d+)\_(\w+)\_(\w+)\.url/) {
$r->print('<hr>'.localtime($1).' '.$2.' '.$3.'<blockquote>'.
$currentdocs{$1.'_'.$2.'_'.$3.'.comment'}.
'</blockquote><a href="'.$currentdocs{$_}.'">View</a>');
}
}
# ----------------------------------------------------------------- Upload form
if ($allowed) {
$r->print(<<ENDFORM);
<hr />
<h3>Post a new course document</h3>
<form method="post" enctype="multipart/form-data">
<input type="file" name="uploaddoc" size="50">
<br />Comment:<br />
<textarea cols=50 rows=4 name='comment'>
</textarea>
<input type="submit" value="Upload Document">
</form>
ENDFORM
}
$r->print('</body></html>');
return OK;
}
1;
__END__
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