opac/opac-downloadshelf.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2009 BibLibre
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use Modern::Perl;
  21
  22 use CGI qw ( -utf8 );
  23 use Encode qw(encode);
  24
  25 use C4::Auth;
  26 use C4::Biblio;
  27 use C4::Items;
  28 use C4::Output;
  29 use C4::Record;
  30 use C4::Ris;
  31 use Koha::CsvProfiles;
  32 use Koha::RecordProcessor;
  33 use Koha::Virtualshelves;
  34
  35 use utf8;
  36 my $query = new CGI;
  37
  38 # if virtualshelves is disabled, leave immediately
  39 if ( ! C4::Context->preference('virtualshelves') ) {
  40     print $query->redirect("/cgi-bin/koha/errors/404.pl");
  41     exit;
  42 }
  43
  44 my ( $template, $borrowernumber, $cookie ) = get_template_and_user (
  45     {
  46         template_name   => "opac-downloadshelf.tt",
  47         query           => $query,
  48         type            => "opac",
  49         authnotrequired => ( C4::Context->preference("OpacPublic") ? 1 : 0 ),
  50     }
  51 );
  52
  53 my $borcat = q{};
  54 if ( C4::Context->preference('OpacHiddenItemsExceptions') ) {
  55     # we need to fetch the borrower info here, so we can pass the category
  56     my $borrower = Koha::Patrons->find( { borrowernumber => $borrowernumber } );
  57     $borcat = $borrower ? $borrower->categorycode : $borcat;
  58 }
  59
  60 my $shelfnumber = $query->param('shelfnumber');
  61 my $format  = $query->param('format');
  62 my $context = $query->param('context');
  63
  64 my $shelf = Koha::Virtualshelves->find( $shelfnumber );
  65 if ( $shelf and $shelf->can_be_viewed( $borrowernumber ) ) {
  66
  67     if ($shelfnumber && $format) {
  68
  69
  70         my $contents = $shelf->get_contents;
  71         my $marcflavour = C4::Context->preference('marcflavour');
  72         my $output;
  73         my $extension;
  74         my $type;
  75
  76        # CSV
  77         if ($format =~ /^\d+$/) {
  78             my @biblios;
  79             while ( my $content = $contents->next ) {
  80                 push @biblios, $content->biblionumber;
  81             }
  82             $output = marc2csv(\@biblios, $format);
  83         # Other formats
  84         } else {
  85             my $record_processor = Koha::RecordProcessor->new({
  86                 filters => 'ViewPolicy'
  87             });
  88             while ( my $content = $contents->next ) {
  89                 my $biblionumber = $content->biblionumber;
  90
  91                 my $record = GetMarcBiblio({
  92                     biblionumber => $biblionumber,
  93                     embed_items  => 1,
  94                     opac         => 1,
  95                     borcat       => $borcat });
  96                 my $framework = &GetFrameworkCode( $biblionumber );
  97                 $record_processor->options({
  98                     interface => 'opac',
  99                     frameworkcode => $framework
 100                 });
 101                 $record_processor->process($record);
 102                 next unless $record;
 103
 104                 if ($format eq 'iso2709') {
 105                     $output .= $record->as_usmarc();
 106                 }
 107                 elsif ($format eq 'ris' ) {
 108                     $output .= marc2ris($record);
 109                 }
 110                 elsif ($format eq 'bibtex') {
 111                     $output .= marc2bibtex($record, $biblionumber);
 112                 }
 113                 elsif ( $format eq 'isbd' ) {
 114                     $output   .= GetISBDView({
 115                         'record'    => $record,
 116                         'template'  => 'opac',
 117                         'framework' => $framework,
 118                     });
 119                     $extension = "txt";
 120                     $type      = "text/plain";
 121                 }
 122             }
 123         }
 124
 125         # If it was a CSV export we change the format after the export so the file extension is fine
 126         $format = "csv" if ($format =~ m/^\d+$/);
 127
 128         print $query->header(
 129                                    -type => ($type) ? $type : 'application/octet-stream',
 130             -'Content-Transfer-Encoding' => 'binary',
 131                              -attachment => ($extension) ? "shelf.$format.$extension" : "shelf.$format"
 132         );
 133         print $output;
 134
 135     } else {
 136
 137         # if modal context is passed set a variable so that page markup can be different
 138         if($context eq "modal"){
 139             $template->param(modal => 1);
 140         } else {
 141             $template->param(fullpage => 1);
 142         }
 143         $template->param(csv_profiles => [ Koha::CsvProfiles->search({ type => 'marc', used_for => 'export_records' }) ]);
 144         $template->param( shelf => $shelf );
 145         output_html_with_http_headers $query, $cookie, $template->output;
 146     }
 147
 148 } else {
 149     $template->param(invalidlist => 1);
 150     output_html_with_http_headers $query, $cookie, $template->output;
 151 }