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Annotation of loncom/interface/multidownload.pl, revision 1.3

1.1       banghart    1: #!/usr/bin/perl
                      2: # CGI-script to allow download of all essay submissions of 
                      3: # multiple students.
                      4: #
1.3     ! banghart    5: # $Id: multidownload.pl,v 1.2 2007/04/05 00:50:32 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 Image::Magick;
                     37: use Apache::lonhtmlcommon();
                     38: use Apache::lonnet;
                     39: use Apache::grades;
                     40: use Apache::loncommon();
                     41: use Apache::lonlocal;
                     42: use Apache::lonmsg();
1.2       banghart   43: use Apache::lonnet;
1.1       banghart   44: use LONCAPA::Enrollment;
                     45: 
                     46: use strict;
                     47: 
                     48: 
                     49: $|=1;
                     50: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
                     51:     print <<END;
                     52: Content-type: text/html
                     53: 
                     54: <html>
                     55: <head><title>Bad Cookie</title></head>
                     56: <body>
                     57: Your cookie information is incorrect.
                     58: </body>
                     59: </html>
                     60: END
                     61:     return;
                     62: }
                     63: &Apache::lonlocal::get_language_handle();
                     64: &Apache::loncommon::content_type(undef,'text/html');
                     65: my $identifier = $ENV{'QUERY_STRING'};
                     66: print(&Apache::loncommon::start_page('Multiple Downloads'));
                     67: my $symb = $env{'cgi.'.$identifier.'.symb'};
1.2       banghart   68: my $courseid = $env{'request.course.id'};
1.1       banghart   69: my @stuchecked = split /\n/,$env{'cgi.'.$identifier.'.students'};
                     70: my @parts = split /\n/,$env{'cgi.'.$identifier.'.parts'};
                     71: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
                     72: my @part_response_id = &Apache::grades::flatten_responseType($responseType);
1.2       banghart   73: my $doc_root = $Apache::lonnet::perlvar{'lonDocRoot'};
1.1       banghart   74: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
1.2       banghart   75: mkdir($doc_root."/zipdir",0777);
                     76: foreach my $stu (@stuchecked) {
                     77:     my ($uname,$udom,$fullname) = split(/:/,$stu);
                     78:     mkdir($doc_root."/zipdir/$uname",0777);
1.1       banghart   79:     my %record = &Apache::lonnet::restore($symb,$courseid,$udom,$uname);
1.2       banghart   80:     foreach my $part (@part_response_id) {
                     81:         my ($partid,$respid) = @{$part};
                     82:         mkdir($doc_root."/zipdir/$uname/part$partid",0777);
                     83:         mkdir($doc_root."/zipdir/$uname/part$partid/resp$respid",0777);
1.1       banghart   84:         my $files = &Apache::grades::get_submitted_files($udom,$uname,$partid,$respid,\%record);
1.2       banghart   85:         foreach my $file (@$files) {
                     86:             $file =~ /(^.*\/)(.+$)/;
                     87:             my $file_name_only = $2;
                     88:             my $file_content = &Apache::lonnet::getfile($file);
                     89:             if (open(my $fh,">$doc_root/zipdir/$uname/part$partid/resp$respid/$file_name_only")) {
                     90:                 print $fh $file_content;
                     91:                 close $fh;
                     92:             } else {
1.3     ! banghart   93:                 print("problem creating file <br />");
1.2       banghart   94:             }
1.1       banghart   95:         }
                     96:     }
                     97: }
1.3     ! banghart   98: mkdir($doc_root."/zipout",0777);
        !            99: my $statement = "zip -r $doc_root/zipout/output.zip $doc_root/zipdir/* > /dev/null";
        !           100: system($statement);
        !           101: $statement = "rm -rf $doc_root/zipdir";
        !           102: system($statement);
        !           103: print('<a href="../zipout/output.zip">Click to download</a>');
1.2       banghart  104: return 1;
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