Annotation of loncom/interface/multidownload.pl, revision 1.23

1.1       banghart    1: #!/usr/bin/perl
                      2: # CGI-script to allow download of all essay submissions of 
                      3: # multiple students.
                      4: #
1.23    ! banghart    5: # $Id: multidownload.pl,v 1.22 2007/04/30 18:22:39 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:     }
                     89:     print MANIFEST "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 (!&copy($source,$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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