1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
5: # $Id: multidownload.pl,v 1.14 2007/04/26 22:16:57 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::lonnet;
38: use Apache::grades;
39: use Apache::loncommon();
40: use Apache::lonlocal;
41: use Apache::lonmsg();
42: use Apache::lonnet;
43: use LONCAPA::Enrollment;
44: use strict;
45:
46: $|=1;
47: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
48: print <<END;
49: Content-type: text/html
50:
51: <html>
52: <head><title>Bad Cookie</title></head>
53: <body>
54: Your cookie information is incorrect.
55: </body>
56: </html>
57: END
58: return;
59: }
60: &Apache::lonlocal::get_language_handle();
61: &Apache::loncommon::content_type(undef,'text/html');
62: my $identifier = $ENV{'QUERY_STRING'};
63: my $unique_path = $identifier.time();
64: print(&Apache::loncommon::start_page('Multiple Downloads'));
65:
66: my $scope = $env{'request.course.id'};
67: if ($env{'request.course.sec'}) {
68: $scope .= '/'.$env{'request.course.sec'};
69: }
70: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
71: my $symb = $env{'cgi.'.$identifier.'.symb'};
72: $symb =~ /^.*\/(.+)\.problem$/;
73: my $zipout = $1.".zip";
74: $zipout =~ s/\s/_/g;
75: my $courseid = $env{'request.course.id'};
76: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
77: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
78: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
79: my @part_response_id = &Apache::grades::flatten_responseType($responseType);
80: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
81: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
82: my $uname = $env{'user.name'};
83: my $udom = $env{'user.domain'};
84: &mkpath($doc_zip_root."/zipdir/$uname$udom/$unique_path",0,0700);
85: foreach my $stu (@stuchecked) {
86: my $file_problem = 0;
87: my ($stuname,$studom,$fullname) = split(/:/,$stu);
88: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
89: foreach my $part (@part_response_id) {
90: my ($partid,$respid) = @{$part};
91: &mkpath($doc_zip_root."/zipdir/$uname$udom/$unique_path/$stuname/part$partid/resp$respid",0,0700);
92: my $files = &Apache::grades::get_submitted_files($studom,$stuname,$partid,$respid,\%record);
93: foreach my $file (@$files) {
94: $file =~ /(^.*\/)(.+$)/;
95: my $file_name_only = $2;
96: &Apache::lonnet::repcopy($file);
97: my $source = &Apache::lonnet::filelocation("",$file);
98: if (!©($source,"$doc_zip_root/zipdir/$uname$udom/$unique_path/$stuname/part$partid/resp$respid/$file_name_only")) {
99: if (!$file_problem) {
100: print &mt("Unable to create: <br />");
101: $file_problem = 1;
102: }
103: print ("$stuname/part$partid/resp$respid/$file_name_only <br />");
104: }
105: }
106: }
107: }
108: &mkpath($doc_zip_root."/zipout/$uname$udom",0,0700);
109: my $statement = "cd $doc_zip_root/zipdir/$uname$udom/$unique_path\n";
110: $statement .= "zip -r $doc_zip_root/zipout/$uname$udom/$zipout * > /dev/null";
111: system($statement);
112: $statement = "rm -rf $doc_zip_root/zipdir/$uname$udom/$unique_path";
113: system($statement);
114: print('<a href="/zipspool/zipout/'.$uname.$udom.'/'.$zipout.'">'.
115: &mt("Click to download").'</a><br />');
116: } else {
117: print(&mt('You are not authorized to download student submissions.'));
118: }
119: 1;
120: __END__;
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