Annotation of loncom/interface/multidownload.pl, revision 1.25
1.1 banghart 1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
1.25 ! banghart 5: # $Id: multidownload.pl,v 1.24 2007/05/05 17:26:27 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:
1.25 ! banghart 46: sub is_flat {
! 47: my ($partlist, $res) = @_;
! 48: my $flat_part = 1;
! 49: my $flat_resp = 1;
! 50: if (scalar(@$partlist) > 1) {
! 51: $flat_part = 0;
! 52: }
! 53: foreach my $partid (@$partlist) {
! 54: my @ids = $res->responseIds($partid);
! 55: if (scalar(@ids) > 1 ) {
! 56: $flat_resp = 0;
! 57: }
! 58: }
! 59: return ($flat_part, $flat_resp);
! 60: }
! 61: sub get_part_resp_path {
! 62: my ($flat_part, $flat_resp, $part_id, $resp_id) = @_;
! 63: my $part_resp_path = "";
! 64: if (!$flat_part) {
! 65: $part_resp_path = "part$part_id/";
! 66: }
! 67: if (!$flat_resp) {
! 68: $part_resp_path .= "resp$resp_id/";
! 69: }
! 70: $part_resp_path =~ s/\/^//;
! 71: return('/'.$part_resp_path);
! 72: }
1.1 banghart 73: $|=1;
74: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
75: print <<END;
76: Content-type: text/html
77:
78: <html>
79: <head><title>Bad Cookie</title></head>
80: <body>
81: Your cookie information is incorrect.
82: </body>
83: </html>
84: END
85: return;
86: }
87: &Apache::lonlocal::get_language_handle();
88: &Apache::loncommon::content_type(undef,'text/html');
89: my $identifier = $ENV{'QUERY_STRING'};
1.8 banghart 90: my $unique_path = $identifier.time();
1.1 banghart 91: print(&Apache::loncommon::start_page('Multiple Downloads'));
1.6 banghart 92:
93: my $scope = $env{'request.course.id'};
94: if ($env{'request.course.sec'}) {
95: $scope .= '/'.$env{'request.course.sec'};
96: }
97: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
1.4 banghart 98: my $symb = $env{'cgi.'.$identifier.'.symb'};
1.16 banghart 99: my $navmap = Apache::lonnavmaps::navmap->new();
100: my $res = $navmap->getBySymb($symb);
1.19 banghart 101: my $partlist = $res->parts();
1.25 ! banghart 102: my ($flat_part, $flat_resp) = &is_flat($partlist, $res);
1.16 banghart 103: my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
1.10 banghart 104: $zipout =~ s/\s/_/g;
1.23 banghart 105: $zipout .= "$identifier.zip";
1.4 banghart 106: my $courseid = $env{'request.course.id'};
107: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
108: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
109: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
1.5 banghart 110: my $uname = $env{'user.name'};
111: my $udom = $env{'user.domain'};
1.16 banghart 112: my $unique_user = $uname.":".$udom;
113: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
1.22 banghart 114: if (!open MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt") {
115: &Apache::lonnet::logthis("Problem making manifest");
116: }
1.24 banghart 117: print MANIFEST &mt("Files contained in this zip:\n");
1.15 banghart 118: my $file_problem = 0;
1.4 banghart 119: foreach my $stu (@stuchecked) {
1.15 banghart 120: my %files_saved;
1.5 banghart 121: my ($stuname,$studom,$fullname) = split(/:/,$stu);
122: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
1.20 banghart 123: my $file_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
1.22 banghart 124: print MANIFEST $fullname."\n";
1.25 ! banghart 125:
1.19 banghart 126: foreach my $partid (@$partlist) {
127: my @ids = $res->responseIds($partid);
128: foreach my $respid(@ids) {
1.25 ! banghart 129: my $part_resp_path = &get_part_resp_path($flat_part,$flat_resp, $partid, $respid);
! 130: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/$part_resp_path",0,0700);
1.20 banghart 131: foreach my $file (split(',',$record{"resource.$partid.$respid.portfiles"})) {
132: $file = $file_url.$file;
1.19 banghart 133: my ($file_name_only) = ($file =~ /^.*\/(.+$)/);
1.22 banghart 134: print MANIFEST "\t$file_name_only \n";
1.19 banghart 135: &Apache::lonnet::repcopy($file);
136: my $source = &Apache::lonnet::filelocation("",$file);
1.25 ! banghart 137:
! 138: my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname$part_resp_path/$file_name_only";
1.19 banghart 139: if (exists($files_saved{$destination})) {
140: # file has already been saved once
141: my ($file_name,$file_ext) = ($destination =~ /(^.*)(\..+$)/);
142: $destination = $file_name.$files_saved{$destination}.$file_ext;
143: $files_saved{$destination} ++;
144: }
145: $files_saved{$destination}++;
146: if (!©($source,$destination)) {
147: if (!$file_problem) {
148: print &mt("Unable to create: <br />");
149: $file_problem = 1;
150: }
151: print ("$stuname/part$partid/resp$respid/$file_name_only <br />");
1.14 banghart 152: }
153: }
1.2 banghart 154: }
1.1 banghart 155: }
1.25 ! banghart 156:
1.1 banghart 157: }
1.22 banghart 158:
1.16 banghart 159: &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
1.23 banghart 160: my $statement;
161: if (! -e "$doc_zip_root/zipout/$unique_user/$zipout") {
162: $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n";
163: $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null";
164: system($statement);
165: } else {
166: # should happen only if user reloads page
167: &Apache::lonnet::logthis("$zipout is already there");
168: }
1.16 banghart 169: $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
1.4 banghart 170: system($statement);
1.16 banghart 171: print('<a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
1.13 banghart 172: &mt("Click to download").'</a><br />');
1.22 banghart 173: close MANIFEST;
1.4 banghart 174: } else {
1.13 banghart 175: print(&mt('You are not authorized to download student submissions.'));
1.1 banghart 176: }
1.6 banghart 177: 1;
178: __END__;
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