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#!/usr/bin/perl # CGI-script to allow download of all essay submissions of # multiple students. # # $Id: multidownload.pl,v 1.37 2008/02/05 06:51:55 raeburn 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 Apache::lonhtmlcommon(); use Apache::lonnavmaps(); use Apache::loncommon(); use Apache::lonlocal; use Apache::lonmsg(); use Apache::lonnet; use LONCAPA::Enrollment; use strict; sub is_flat { my ($partlist, $res) = @_; my $flat_part = 1; my $flat_resp = 1; if (scalar(@$partlist) > 1) { $flat_part = 0; } foreach my $partid (@$partlist) { my @ids = $res->responseIds($partid); if (scalar(@ids) > 1 ) { $flat_resp = 0; } } return ($flat_part, $flat_resp); } sub get_part_resp_path { my ($flat_part, $flat_resp, $part_id, $resp_id) = @_; my $part_resp_path = ""; if (!$flat_part) { $part_resp_path = "part$part_id/"; } if (!$flat_resp) { $part_resp_path .= "resp$resp_id/"; } $part_resp_path =~ s/\/^//; return('/'.$part_resp_path); } $|=1; if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { print < Bad Cookie Your cookie information is incorrect. END return; } &Apache::lonlocal::get_language_handle(); &Apache::loncommon::content_type(undef,'text/html'); my $identifier = $ENV{'QUERY_STRING'}; my $unique_path = $identifier.time(); print(&Apache::loncommon::start_page('Multiple Downloads')); my $scope = $env{'request.course.id'}; if ($env{'request.course.sec'}) { $scope .= '/'.$env{'request.course.sec'}; } if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') { my $symb = $env{'cgi.'.$identifier.'.symb'}; my $navmap = Apache::lonnavmaps::navmap->new(); my $res = $navmap->getBySymb($symb); my $partlist = $res->parts(); my ($flat_part, $flat_resp) = &is_flat($partlist, $res); my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/); $zipout =~ s/\s/_/g; $zipout .= "$identifier.zip"; my $courseid = $env{'request.course.id'}; my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'}); my $number_of_students = scalar(@stuchecked); my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Processing Status', 'Preparing Zip File',$number_of_students,'inline','80'); my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'}); my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'}; my $uname = $env{'user.name'}; my $udom = $env{'user.domain'}; my $unique_user = $uname.":".$udom; &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700); if (!open(MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt")) { &Apache::lonnet::logthis("Problem making manifest"); } print MANIFEST (&mt("Zip file generated on [_1]",&Apache::lonlocal::locallocaltime(time()))."\n"); print MANIFEST (&mt("Course: [_1]",$env{"course.$courseid.description"})."\n"); print MANIFEST (&mt("Problem: [_1]",$res->compTitle)."\n"); print MANIFEST (&mt("Files contained in this zip:")."\n"); my $file_problem = 0; my $current_student = 0; foreach my $stu (@stuchecked) { $current_student ++; &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,"Processing student $current_student of $number_of_students"); my %files_saved; my ($stuname,$studom,$fullname) = split(/:/,$stu); my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname); my $file_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio'; print MANIFEST ($fullname."\n"); my $submission_count = 0; foreach my $partid (@$partlist) { my @ids = $res->responseIds($partid); foreach my $respid (@ids) { my $part_resp_path = &get_part_resp_path($flat_part,$flat_resp, $partid, $respid); &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/$part_resp_path",0,0700); foreach my $file (split(',',$record{"resource.$partid.$respid.portfiles"})) { $file = $file_url.$file; my ($file_name_only) = ($file =~ /^.*\/(.+$)/); print MANIFEST ("\t$file_name_only (".&mt("Part [_1]",$partid). ") (".&mt("Response [_1]",$respid).")"."\n"); $submission_count ++; &Apache::lonnet::repcopy($file); my $source = &Apache::lonnet::filelocation("",$file); my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname$part_resp_path/$file_name_only"; if (exists($files_saved{$destination})) { # file has already been saved once my ($file_name,$file_ext) = ($destination =~ /(^.*)(\..+$)/); $destination = $file_name.$files_saved{$destination}.$file_ext; $files_saved{$destination}++; } $files_saved{$destination}++; if (!©($source,$destination)) { if (!$file_problem) { print(&mt("Unable to create: ")."
"); $file_problem = 1; } print("$stuname/part$partid/resp$respid/$file_name_only
"); } } } } if (!$submission_count) { print MANIFEST ("\t".&mt("No Files Submitted")."\n"); } } &mkpath($doc_zip_root."/zipout/$unique_user",0,0700); my $statement; if (! -e "$doc_zip_root/zipout/$unique_user/$zipout") { $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n"; $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null"; system($statement); } else { # should happen only if user reloads page &Apache::lonnet::logthis("$zipout is already there"); } $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path"; system($statement); &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); print('

'. &mt("Click to download").'

'); close(MANIFEST); } else { print(&mt('You are not authorized to download student submissions.')); } 1; __END__;