#!/usr/bin/perl
# CGI-script to allow download of all essay submissions of 
# multiple students.
#
# $Id: multidownload.pl,v 1.1 2007/03/30 22:57:39 banghart 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/
#

use lib '/home/httpd/lib/perl';
use LONCAPA::loncgi;
use File::Path;
use File::Basename;
use File::Copy;
use IO::File;
use Image::Magick;
use Apache::lonhtmlcommon();
use Apache::lonnet;
use Apache::grades;
use Apache::loncommon();
use Apache::lonlocal;
use Apache::lonmsg();
use LONCAPA::Enrollment;

use strict;


$|=1;
if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
    print <<END;
Content-type: text/html

<html>
<head><title>Bad Cookie</title></head>
<body>
Your cookie information is incorrect.
</body>
</html>
END
    return;
}
&Apache::lonlocal::get_language_handle();
&Apache::loncommon::content_type(undef,'text/html');
my $identifier = $ENV{'QUERY_STRING'};
print(&Apache::loncommon::start_page('Multiple Downloads'));
my $symb = $env{'cgi.'.$identifier.'.symb'};
my $courseid = $env{'cgi.'.$identifier.'.courseid'};
my @stuchecked = split /\n/,$env{'cgi.'.$identifier.'.students'};
my @parts = split /\n/,$env{'cgi.'.$identifier.'.parts'};
my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
my @part_response_id = &Apache::grades::flatten_responseType($responseType);
print "number of parts is: ".@parts."<br />";
my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
print "in the CGI script <br />";
foreach (@stuchecked) {
    my ($uname,$udom,$fullname) = split(/:/);
    my %record = &Apache::lonnet::restore($symb,$courseid,$udom,$uname);
    print $uname."<br />";
    foreach my $part(@part_response_id) {
        print $part."<br />";
        my ($partid,$respid) = @{ $part };
        my $files = &Apache::grades::get_submitted_files($udom,$uname,$partid,$respid,\%record);
        foreach my $file(@$files) {
            print $file."<br />";
        }
    }
}

die;
