Annotation of loncom/interface/multidownload.pl, revision 1.40
1.1 banghart 1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
1.40 ! raeburn 5: # $Id: multidownload.pl,v 1.39 2011/12/21 21:25:40 www 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: $|=1;
1.38 raeburn 75: &Apache::lonlocal::get_language_handle();
76: &Apache::loncommon::content_type(undef,'text/html');
1.40 ! raeburn 77: my ($nocookie,$identifier,$unique_path,$scope);
1.1 banghart 78: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
1.38 raeburn 79: print(&LONCAPA::loncgi::missing_cookie_msg());
1.40 ! raeburn 80: $nocookie = 1;
1.1 banghart 81: }
1.36 albertel 82:
1.40 ! raeburn 83: unless ($nocookie) {
! 84: $scope = $env{'request.course.id'};
! 85: if ($env{'request.course.sec'}) {
! 86: $scope .= '/'.$env{'request.course.sec'};
! 87: }
! 88: if ($ENV{'QUERY_STRING'} =~ /^\d+_\d+_\d+$/) {
! 89: $identifier = $ENV{'QUERY_STRING'};
! 90: $unique_path = $identifier.time();
! 91: }
! 92: print(&Apache::loncommon::start_page('Multiple Downloads'));
1.6 banghart 93: }
1.40 ! raeburn 94: if ($scope eq '') {
! 95: print(&mt('Invalid course context: you need to reselect your course role.'));
! 96: } elsif ($identifier eq '') {
! 97: unless ($nocookie) {
! 98: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
! 99: print(&mt('Invalid query string; unable to download submissions.'));
! 100: } else {
! 101: print(&mt('You are not authorized to download student submissions.'));
! 102: }
! 103: }
! 104: } elsif (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
1.4 banghart 105: my $symb = $env{'cgi.'.$identifier.'.symb'};
1.16 banghart 106: my $navmap = Apache::lonnavmaps::navmap->new();
107: my $res = $navmap->getBySymb($symb);
1.19 banghart 108: my $partlist = $res->parts();
1.25 banghart 109: my ($flat_part, $flat_resp) = &is_flat($partlist, $res);
1.16 banghart 110: my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
1.10 banghart 111: $zipout =~ s/\s/_/g;
1.23 banghart 112: $zipout .= "$identifier.zip";
1.4 banghart 113: my $courseid = $env{'request.course.id'};
114: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
1.26 banghart 115: my $number_of_students = scalar(@stuchecked);
1.39 www 116: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('',$number_of_students);
1.4 banghart 117: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
118: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
1.5 banghart 119: my $uname = $env{'user.name'};
120: my $udom = $env{'user.domain'};
1.16 banghart 121: my $unique_user = $uname.":".$udom;
1.40 ! raeburn 122: my $manifest;
1.16 banghart 123: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
1.40 ! raeburn 124: if (open(MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt")) {
! 125: $manifest = 1;
! 126: print MANIFEST (&mt("Zip file generated on [_1]",&Apache::lonlocal::locallocaltime(time()))."\n");
! 127: print MANIFEST (&mt("Course: [_1]",$env{"course.$courseid.description"})."\n");
! 128: print MANIFEST (&mt("Problem: [_1]",$res->compTitle)."\n");
! 129: print MANIFEST (&mt("Files contained in this zip:")."\n");
! 130: } else {
1.22 banghart 131: &Apache::lonnet::logthis("Problem making manifest");
132: }
1.15 banghart 133: my $file_problem = 0;
1.26 banghart 134: my $current_student = 0;
1.4 banghart 135: foreach my $stu (@stuchecked) {
1.26 banghart 136: $current_student ++;
1.39 www 137: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,&mt("Processing student [_1] of [_2]",$current_student,$number_of_students));
1.15 banghart 138: my %files_saved;
1.5 banghart 139: my ($stuname,$studom,$fullname) = split(/:/,$stu);
140: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
1.38 raeburn 141: my $port_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
1.40 ! raeburn 142: if ($manifest) {
! 143: print MANIFEST ($fullname."\n");
! 144: }
1.36 albertel 145:
1.33 banghart 146: my $submission_count = 0;
1.19 banghart 147: foreach my $partid (@$partlist) {
148: my @ids = $res->responseIds($partid);
1.36 albertel 149: foreach my $respid (@ids) {
1.25 banghart 150: my $part_resp_path = &get_part_resp_path($flat_part,$flat_resp, $partid, $respid);
151: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/$part_resp_path",0,0700);
1.38 raeburn 152: foreach my $origin ('portfiles','uploadedurl') {
153: my @files;
154: if ($record{"resource.$partid.$respid.$origin"} ne '') {
155: if ($origin eq 'portfiles') {
156: @files = (split(',',$record{"resource.$partid.$respid.$origin"}));
157: } else {
158: @files = ($record{"resource.$partid.$respid.$origin"});
159: }
160: }
161: foreach my $file (@files) {
162: if ($origin eq 'portfiles') {
163: $file = $port_url.$file;
164: }
165: my ($file_name_only) = ($file =~ m{.*/([^/]+)$});
1.40 ! raeburn 166: if ($manifest) {
! 167: print MANIFEST ("\t$file_name_only (".&mt("Part [_1]",$partid).
! 168: ") (".&mt("Response [_1]",$respid).")"."\n");
! 169: }
1.38 raeburn 170: $submission_count ++;
171: &Apache::lonnet::repcopy($file);
172: my $source = &Apache::lonnet::filelocation("",$file);
173: my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname$part_resp_path/$file_name_only";
174: if (exists($files_saved{$destination})) {
175: # file has already been saved once
176: my ($file_name,$file_ext) =
177: ($destination =~ /(^.*)(\..+$)/);
178: $destination = $file_name.$files_saved{$destination}.$file_ext;
179: $files_saved{$destination}++;
180: }
1.36 albertel 181: $files_saved{$destination}++;
1.38 raeburn 182: if (!©($source,$destination)) {
183: if (!$file_problem) {
184: print('<br /><span class="LC_error">'.&mt("Unable to create: ")."</span><br />");
185: $file_problem = 1;
186: }
187: print('<span class="LC_filename">'."$stuname/part$partid/resp$respid/$file_name_only".'</span><br />');
1.19 banghart 188: }
1.14 banghart 189: }
190: }
1.2 banghart 191: }
1.1 banghart 192: }
1.40 ! raeburn 193: if ((!$submission_count) && ($manifest)) {
1.34 banghart 194: print MANIFEST ("\t".&mt("No Files Submitted")."\n");
1.33 banghart 195: }
1.1 banghart 196: }
1.22 banghart 197:
1.16 banghart 198: &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
1.23 banghart 199: my $statement;
200: if (! -e "$doc_zip_root/zipout/$unique_user/$zipout") {
201: $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n";
202: $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null";
203: system($statement);
204: } else {
205: # should happen only if user reloads page
206: &Apache::lonnet::logthis("$zipout is already there");
207: }
1.16 banghart 208: $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
1.4 banghart 209: system($statement);
1.26 banghart 210: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
211: print('<p><a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
212: &mt("Click to download").'</a></p><br />');
1.40 ! raeburn 213: if ($manifest) {
! 214: close(MANIFEST);
! 215: }
1.4 banghart 216: } else {
1.13 banghart 217: print(&mt('You are not authorized to download student submissions.'));
1.1 banghart 218: }
1.40 ! raeburn 219: unless ($nocookie) {
! 220: print(&Apache::loncommon::end_page());
! 221: }
1.6 banghart 222: 1;
223: __END__;
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