1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
5: # $Id: multidownload.pl,v 1.18 2007/04/27 22:20:30 banghart Exp $
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
29:
30: use lib '/home/httpd/lib/perl';
31: use LONCAPA::loncgi;
32: use File::Path;
33: use File::Basename;
34: use File::Copy;
35: use IO::File;
36: use Apache::lonhtmlcommon();
37: use Apache::grades;
38: use Apache::lonnavmaps;
39: use Apache::lonnet;
40: use Apache::loncommon();
41: use Apache::lonlocal;
42: use Apache::lonmsg();
43: use Apache::lonnet;
44: use LONCAPA::Enrollment;
45: use strict;
46:
47: $|=1;
48: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
49: print <<END;
50: Content-type: text/html
51:
52: <html>
53: <head><title>Bad Cookie</title></head>
54: <body>
55: Your cookie information is incorrect.
56: </body>
57: </html>
58: END
59: return;
60: }
61: &Apache::lonlocal::get_language_handle();
62: &Apache::loncommon::content_type(undef,'text/html');
63: my $identifier = $ENV{'QUERY_STRING'};
64: my $unique_path = $identifier.time();
65: print(&Apache::loncommon::start_page('Multiple Downloads'));
66:
67: my $scope = $env{'request.course.id'};
68: if ($env{'request.course.sec'}) {
69: $scope .= '/'.$env{'request.course.sec'};
70: }
71: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
72: my $symb = $env{'cgi.'.$identifier.'.symb'};
73:
74: my $navmap = Apache::lonnavmaps::navmap->new();
75: my $res = $navmap->getBySymb($symb);
76: my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
77: $zipout =~ s/\s/_/g;
78: $zipout .= ".zip";
79: my $courseid = $env{'request.course.id'};
80: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
81: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
82: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
83: my @part_response_id = &Apache::grades::flatten_responseType($responseType);
84: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
85: # my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
86: my $uname = $env{'user.name'};
87: my $udom = $env{'user.domain'};
88: my $unique_user = $uname.":".$udom;
89: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
90: my $file_problem = 0;
91: foreach my $stu (@stuchecked) {
92: my %files_saved;
93: my ($stuname,$studom,$fullname) = split(/:/,$stu);
94: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
95: foreach my $part (@part_response_id) {
96: my ($partid,$respid) = @{$part};
97: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/part$partid/resp$respid",0,0700);
98: my $files = &Apache::grades::get_submitted_files($studom,$stuname,$partid,$respid,\%record);
99: foreach my $file (@$files) {
100: my ($file_name_only) = ($file =~ /^.*\/(.+$)/);
101: &Apache::lonnet::repcopy($file);
102: my $source = &Apache::lonnet::filelocation("",$file);
103: my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname/part$partid/resp$respid/$file_name_only";
104: if (exists($files_saved{$destination})) {
105: # file has already been saved once
106: my ($file_name,$file_ext) = ($destination =~ /(^.*)(\..+$)/);
107: $destination = $file_name.$files_saved{$destination}.$file_ext;
108: $files_saved{$destination} ++;
109: }
110: $files_saved{$destination}++;
111: if (!©($source,$destination)) {
112: if (!$file_problem) {
113: print &mt("Unable to create: <br />");
114: $file_problem = 1;
115: }
116: print ("$stuname/part$partid/resp$respid/$file_name_only <br />");
117: }
118: }
119: }
120: }
121: &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
122: my $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n";
123: $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null";
124: system($statement);
125: $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
126: system($statement);
127: print('<a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
128: &mt("Click to download").'</a><br />');
129: } else {
130: print(&mt('You are not authorized to download student submissions.'));
131: }
132: 1;
133: __END__;
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