Annotation of loncom/interface/multidownload.pl, revision 1.24
1.1 banghart 1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
1.24 ! banghart 5: # $Id: multidownload.pl,v 1.23 2007/04/30 22:47:28 banghart Exp $
1.1 banghart 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();
1.16 banghart 37: use Apache::lonnavmaps;
1.1 banghart 38: use Apache::lonnet;
39: use Apache::loncommon();
40: use Apache::lonlocal;
41: use Apache::lonmsg();
1.2 banghart 42: use Apache::lonnet;
1.1 banghart 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'};
1.8 banghart 63: my $unique_path = $identifier.time();
1.1 banghart 64: print(&Apache::loncommon::start_page('Multiple Downloads'));
1.6 banghart 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') {
1.4 banghart 71: my $symb = $env{'cgi.'.$identifier.'.symb'};
1.16 banghart 72: my $navmap = Apache::lonnavmaps::navmap->new();
73: my $res = $navmap->getBySymb($symb);
1.19 banghart 74: my $partlist = $res->parts();
1.16 banghart 75: my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
1.10 banghart 76: $zipout =~ s/\s/_/g;
1.23 banghart 77: $zipout .= "$identifier.zip";
1.4 banghart 78: my $courseid = $env{'request.course.id'};
79: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
80: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
81: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
1.5 banghart 82: my $uname = $env{'user.name'};
83: my $udom = $env{'user.domain'};
1.16 banghart 84: my $unique_user = $uname.":".$udom;
85: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
1.22 banghart 86: if (!open MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt") {
87: &Apache::lonnet::logthis("Problem making manifest");
88: }
1.24 ! banghart 89: print MANIFEST &mt("Files contained in this zip:\n");
1.15 banghart 90: my $file_problem = 0;
1.4 banghart 91: foreach my $stu (@stuchecked) {
1.15 banghart 92: my %files_saved;
1.5 banghart 93: my ($stuname,$studom,$fullname) = split(/:/,$stu);
94: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
1.20 banghart 95: my $file_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
1.22 banghart 96: print MANIFEST $fullname."\n";
1.19 banghart 97: foreach my $partid (@$partlist) {
98: my @ids = $res->responseIds($partid);
99: foreach my $respid(@ids) {
100: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/part$partid/resp$respid",0,0700);
1.20 banghart 101: foreach my $file (split(',',$record{"resource.$partid.$respid.portfiles"})) {
102: $file = $file_url.$file;
1.19 banghart 103: my ($file_name_only) = ($file =~ /^.*\/(.+$)/);
1.22 banghart 104: print MANIFEST "\t$file_name_only \n";
1.19 banghart 105: &Apache::lonnet::repcopy($file);
106: my $source = &Apache::lonnet::filelocation("",$file);
107: my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname/part$partid/resp$respid/$file_name_only";
108: if (exists($files_saved{$destination})) {
109: # file has already been saved once
110: my ($file_name,$file_ext) = ($destination =~ /(^.*)(\..+$)/);
111: $destination = $file_name.$files_saved{$destination}.$file_ext;
112: $files_saved{$destination} ++;
113: }
114: $files_saved{$destination}++;
115: if (!©($source,$destination)) {
116: if (!$file_problem) {
117: print &mt("Unable to create: <br />");
118: $file_problem = 1;
119: }
120: print ("$stuname/part$partid/resp$respid/$file_name_only <br />");
1.14 banghart 121: }
122: }
1.2 banghart 123: }
1.1 banghart 124: }
125: }
1.22 banghart 126:
1.16 banghart 127: &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
1.23 banghart 128: my $statement;
129: if (! -e "$doc_zip_root/zipout/$unique_user/$zipout") {
130: $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n";
131: $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null";
132: system($statement);
133: } else {
134: # should happen only if user reloads page
135: &Apache::lonnet::logthis("$zipout is already there");
136: }
1.16 banghart 137: $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
1.4 banghart 138: system($statement);
1.16 banghart 139: print('<a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
1.13 banghart 140: &mt("Click to download").'</a><br />');
1.22 banghart 141: close MANIFEST;
1.4 banghart 142: } else {
1.13 banghart 143: print(&mt('You are not authorized to download student submissions.'));
1.1 banghart 144: }
1.6 banghart 145: 1;
146: __END__;
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