Annotation of loncom/interface/multidownload.pl, revision 1.37
1.1 banghart 1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
1.37 ! raeburn 5: # $Id: multidownload.pl,v 1.36 2007/06/06 18:51:49 albertel Exp $
1.1 banghart 6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: use lib '/home/httpd/lib/perl';
30: use LONCAPA::loncgi;
31: use File::Path;
32: use File::Basename;
33: use File::Copy;
34: use Apache::lonhtmlcommon();
1.36 albertel 35: use Apache::lonnavmaps();
1.1 banghart 36: use Apache::loncommon();
37: use Apache::lonlocal;
38: use Apache::lonmsg();
1.2 banghart 39: use Apache::lonnet;
1.1 banghart 40: use LONCAPA::Enrollment;
41: use strict;
42:
1.25 banghart 43: sub is_flat {
44: my ($partlist, $res) = @_;
45: my $flat_part = 1;
46: my $flat_resp = 1;
47: if (scalar(@$partlist) > 1) {
48: $flat_part = 0;
49: }
50: foreach my $partid (@$partlist) {
51: my @ids = $res->responseIds($partid);
52: if (scalar(@ids) > 1 ) {
53: $flat_resp = 0;
54: }
55: }
56: return ($flat_part, $flat_resp);
57: }
1.36 albertel 58:
59:
1.25 banghart 60: sub get_part_resp_path {
61: my ($flat_part, $flat_resp, $part_id, $resp_id) = @_;
62: my $part_resp_path = "";
63: if (!$flat_part) {
64: $part_resp_path = "part$part_id/";
65: }
66: if (!$flat_resp) {
67: $part_resp_path .= "resp$resp_id/";
68: }
69: $part_resp_path =~ s/\/^//;
70: return('/'.$part_resp_path);
71: }
1.36 albertel 72:
73:
1.1 banghart 74: $|=1;
75: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
76: print <<END;
77: Content-type: text/html
78:
79: <html>
80: <head><title>Bad Cookie</title></head>
81: <body>
82: Your cookie information is incorrect.
83: </body>
84: </html>
85: END
86: return;
87: }
1.36 albertel 88:
1.1 banghart 89: &Apache::lonlocal::get_language_handle();
90: &Apache::loncommon::content_type(undef,'text/html');
91: my $identifier = $ENV{'QUERY_STRING'};
1.8 banghart 92: my $unique_path = $identifier.time();
1.1 banghart 93: print(&Apache::loncommon::start_page('Multiple Downloads'));
1.26 banghart 94:
1.6 banghart 95:
96: my $scope = $env{'request.course.id'};
97: if ($env{'request.course.sec'}) {
98: $scope .= '/'.$env{'request.course.sec'};
99: }
100: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
1.4 banghart 101: my $symb = $env{'cgi.'.$identifier.'.symb'};
1.16 banghart 102: my $navmap = Apache::lonnavmaps::navmap->new();
103: my $res = $navmap->getBySymb($symb);
1.19 banghart 104: my $partlist = $res->parts();
1.25 banghart 105: my ($flat_part, $flat_resp) = &is_flat($partlist, $res);
1.16 banghart 106: my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
1.10 banghart 107: $zipout =~ s/\s/_/g;
1.23 banghart 108: $zipout .= "$identifier.zip";
1.4 banghart 109: my $courseid = $env{'request.course.id'};
110: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
1.26 banghart 111: my $number_of_students = scalar(@stuchecked);
112: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Processing Status',
113: 'Preparing Zip File',$number_of_students,'inline','80');
1.4 banghart 114: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
115: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
1.5 banghart 116: my $uname = $env{'user.name'};
117: my $udom = $env{'user.domain'};
1.16 banghart 118: my $unique_user = $uname.":".$udom;
119: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
1.27 banghart 120: if (!open(MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt")) {
1.22 banghart 121: &Apache::lonnet::logthis("Problem making manifest");
122: }
1.29 banghart 123: print MANIFEST (&mt("Zip file generated on [_1]",&Apache::lonlocal::locallocaltime(time()))."\n");
1.31 banghart 124: print MANIFEST (&mt("Course: [_1]",$env{"course.$courseid.description"})."\n");
1.32 banghart 125: print MANIFEST (&mt("Problem: [_1]",$res->compTitle)."\n");
1.36 albertel 126: print MANIFEST (&mt("Files contained in this zip:")."\n");
1.15 banghart 127: my $file_problem = 0;
1.26 banghart 128: my $current_student = 0;
1.4 banghart 129: foreach my $stu (@stuchecked) {
1.26 banghart 130: $current_student ++;
131: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,"Processing student $current_student of $number_of_students");
1.15 banghart 132: my %files_saved;
1.5 banghart 133: my ($stuname,$studom,$fullname) = split(/:/,$stu);
134: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
1.20 banghart 135: my $file_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
1.29 banghart 136: print MANIFEST ($fullname."\n");
1.36 albertel 137:
1.33 banghart 138: my $submission_count = 0;
1.19 banghart 139: foreach my $partid (@$partlist) {
140: my @ids = $res->responseIds($partid);
1.36 albertel 141: foreach my $respid (@ids) {
1.25 banghart 142: my $part_resp_path = &get_part_resp_path($flat_part,$flat_resp, $partid, $respid);
143: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/$part_resp_path",0,0700);
1.20 banghart 144: foreach my $file (split(',',$record{"resource.$partid.$respid.portfiles"})) {
145: $file = $file_url.$file;
1.19 banghart 146: my ($file_name_only) = ($file =~ /^.*\/(.+$)/);
1.35 banghart 147: print MANIFEST ("\t$file_name_only (".&mt("Part [_1]",$partid).
148: ") (".&mt("Response [_1]",$respid).")"."\n");
1.33 banghart 149: $submission_count ++;
1.19 banghart 150: &Apache::lonnet::repcopy($file);
151: my $source = &Apache::lonnet::filelocation("",$file);
1.25 banghart 152: my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname$part_resp_path/$file_name_only";
1.19 banghart 153: if (exists($files_saved{$destination})) {
154: # file has already been saved once
155: my ($file_name,$file_ext) = ($destination =~ /(^.*)(\..+$)/);
156: $destination = $file_name.$files_saved{$destination}.$file_ext;
1.36 albertel 157: $files_saved{$destination}++;
1.19 banghart 158: }
159: $files_saved{$destination}++;
160: if (!©($source,$destination)) {
161: if (!$file_problem) {
1.36 albertel 162: print(&mt("Unable to create: ")."<br />");
1.19 banghart 163: $file_problem = 1;
164: }
1.28 banghart 165: print("$stuname/part$partid/resp$respid/$file_name_only <br />");
1.14 banghart 166: }
167: }
1.2 banghart 168: }
1.1 banghart 169: }
1.33 banghart 170: if (!$submission_count) {
1.34 banghart 171: print MANIFEST ("\t".&mt("No Files Submitted")."\n");
1.33 banghart 172: }
1.1 banghart 173: }
1.22 banghart 174:
1.16 banghart 175: &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
1.23 banghart 176: my $statement;
177: if (! -e "$doc_zip_root/zipout/$unique_user/$zipout") {
178: $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n";
179: $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null";
180: system($statement);
181: } else {
182: # should happen only if user reloads page
183: &Apache::lonnet::logthis("$zipout is already there");
184: }
1.16 banghart 185: $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
1.4 banghart 186: system($statement);
1.26 banghart 187: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
188: print('<p><a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
189: &mt("Click to download").'</a></p><br />');
1.29 banghart 190: close(MANIFEST);
1.4 banghart 191: } else {
1.13 banghart 192: print(&mt('You are not authorized to download student submissions.'));
1.1 banghart 193: }
1.6 banghart 194: 1;
195: __END__;
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