Annotation of loncom/interface/multidownload.pl, revision 1.38
1.1 banghart 1: #!/usr/bin/perl
2: # CGI-script to allow download of all essay submissions of
3: # multiple students.
4: #
1.38 ! raeburn 5: # $Id: multidownload.pl,v 1.37 2008/02/05 06:51:55 raeburn 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');
1.1 banghart 77: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
1.38 ! raeburn 78: print(&LONCAPA::loncgi::missing_cookie_msg());
1.1 banghart 79: return;
80: }
1.36 albertel 81:
1.1 banghart 82: my $identifier = $ENV{'QUERY_STRING'};
1.8 banghart 83: my $unique_path = $identifier.time();
1.1 banghart 84: print(&Apache::loncommon::start_page('Multiple Downloads'));
1.26 banghart 85:
1.6 banghart 86:
87: my $scope = $env{'request.course.id'};
88: if ($env{'request.course.sec'}) {
89: $scope .= '/'.$env{'request.course.sec'};
90: }
91: if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
1.4 banghart 92: my $symb = $env{'cgi.'.$identifier.'.symb'};
1.16 banghart 93: my $navmap = Apache::lonnavmaps::navmap->new();
94: my $res = $navmap->getBySymb($symb);
1.19 banghart 95: my $partlist = $res->parts();
1.25 banghart 96: my ($flat_part, $flat_resp) = &is_flat($partlist, $res);
1.16 banghart 97: my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
1.10 banghart 98: $zipout =~ s/\s/_/g;
1.23 banghart 99: $zipout .= "$identifier.zip";
1.4 banghart 100: my $courseid = $env{'request.course.id'};
101: my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
1.26 banghart 102: my $number_of_students = scalar(@stuchecked);
103: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Processing Status',
104: 'Preparing Zip File',$number_of_students,'inline','80');
1.4 banghart 105: my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
106: my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
1.5 banghart 107: my $uname = $env{'user.name'};
108: my $udom = $env{'user.domain'};
1.16 banghart 109: my $unique_user = $uname.":".$udom;
110: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
1.27 banghart 111: if (!open(MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt")) {
1.22 banghart 112: &Apache::lonnet::logthis("Problem making manifest");
113: }
1.29 banghart 114: print MANIFEST (&mt("Zip file generated on [_1]",&Apache::lonlocal::locallocaltime(time()))."\n");
1.31 banghart 115: print MANIFEST (&mt("Course: [_1]",$env{"course.$courseid.description"})."\n");
1.32 banghart 116: print MANIFEST (&mt("Problem: [_1]",$res->compTitle)."\n");
1.36 albertel 117: print MANIFEST (&mt("Files contained in this zip:")."\n");
1.15 banghart 118: my $file_problem = 0;
1.26 banghart 119: my $current_student = 0;
1.4 banghart 120: foreach my $stu (@stuchecked) {
1.26 banghart 121: $current_student ++;
122: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,"Processing student $current_student of $number_of_students");
1.15 banghart 123: my %files_saved;
1.5 banghart 124: my ($stuname,$studom,$fullname) = split(/:/,$stu);
125: my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
1.38 ! raeburn 126: my $port_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
1.29 banghart 127: print MANIFEST ($fullname."\n");
1.36 albertel 128:
1.33 banghart 129: my $submission_count = 0;
1.19 banghart 130: foreach my $partid (@$partlist) {
131: my @ids = $res->responseIds($partid);
1.36 albertel 132: foreach my $respid (@ids) {
1.25 banghart 133: my $part_resp_path = &get_part_resp_path($flat_part,$flat_resp, $partid, $respid);
134: &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/$part_resp_path",0,0700);
1.38 ! raeburn 135: foreach my $origin ('portfiles','uploadedurl') {
! 136: my @files;
! 137: if ($record{"resource.$partid.$respid.$origin"} ne '') {
! 138: if ($origin eq 'portfiles') {
! 139: @files = (split(',',$record{"resource.$partid.$respid.$origin"}));
! 140: } else {
! 141: @files = ($record{"resource.$partid.$respid.$origin"});
! 142: }
! 143: }
! 144: foreach my $file (@files) {
! 145: if ($origin eq 'portfiles') {
! 146: $file = $port_url.$file;
! 147: }
! 148: my ($file_name_only) = ($file =~ m{.*/([^/]+)$});
! 149: print MANIFEST ("\t$file_name_only (".&mt("Part [_1]",$partid).
! 150: ") (".&mt("Response [_1]",$respid).")"."\n");
! 151: $submission_count ++;
! 152: &Apache::lonnet::repcopy($file);
! 153: my $source = &Apache::lonnet::filelocation("",$file);
! 154: my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname$part_resp_path/$file_name_only";
! 155: if (exists($files_saved{$destination})) {
! 156: # file has already been saved once
! 157: my ($file_name,$file_ext) =
! 158: ($destination =~ /(^.*)(\..+$)/);
! 159: $destination = $file_name.$files_saved{$destination}.$file_ext;
! 160: $files_saved{$destination}++;
! 161: }
1.36 albertel 162: $files_saved{$destination}++;
1.38 ! raeburn 163: if (!©($source,$destination)) {
! 164: if (!$file_problem) {
! 165: print('<br /><span class="LC_error">'.&mt("Unable to create: ")."</span><br />");
! 166: $file_problem = 1;
! 167: }
! 168: print('<span class="LC_filename">'."$stuname/part$partid/resp$respid/$file_name_only".'</span><br />');
1.19 banghart 169: }
1.14 banghart 170: }
171: }
1.2 banghart 172: }
1.1 banghart 173: }
1.33 banghart 174: if (!$submission_count) {
1.34 banghart 175: print MANIFEST ("\t".&mt("No Files Submitted")."\n");
1.33 banghart 176: }
1.1 banghart 177: }
1.22 banghart 178:
1.16 banghart 179: &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
1.23 banghart 180: my $statement;
181: if (! -e "$doc_zip_root/zipout/$unique_user/$zipout") {
182: $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n";
183: $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null";
184: system($statement);
185: } else {
186: # should happen only if user reloads page
187: &Apache::lonnet::logthis("$zipout is already there");
188: }
1.16 banghart 189: $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
1.4 banghart 190: system($statement);
1.26 banghart 191: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
192: print('<p><a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
193: &mt("Click to download").'</a></p><br />');
1.29 banghart 194: close(MANIFEST);
1.4 banghart 195: } else {
1.13 banghart 196: print(&mt('You are not authorized to download student submissions.'));
1.1 banghart 197: }
1.6 banghart 198: 1;
199: __END__;
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