cataloguing/value_builder/barcode.pl

   1 #!/usr/bin/perl
   2
   3 # Converted to new plugin style (Bug 13437)
   4
   5 # Copyright 2000-2002 Katipo Communications
   6 # Parts copyright 2008-2010 Foundations Bible College
   7 #
   8 # This file is part of Koha.
   9 #
  10 # Koha is free software; you can redistribute it and/or modify it
  11 # under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 3 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # Koha is distributed in the hope that it will be useful, but
  16 # 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 Koha; if not, see <http://www.gnu.org/licenses>.
  22
  23 use Modern::Perl;
  24
  25 use C4::Context;
  26 use C4::Barcodes::ValueBuilder;
  27 use Koha::DateUtils;
  28
  29 use Algorithm::CheckDigits;
  30
  31 my $DEBUG = 0;
  32
  33 my $builder = sub {
  34     my ( $params ) = @_;
  35     my $function_name = $params->{id};
  36     my %args;
  37
  38         # find today's date
  39     ($args{year}, $args{mon}, $args{day}) = split('-', output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }));
  40     ($args{tag},$args{subfield})       =  GetMarcFromKohaField("items.barcode", '');
  41     ($args{loctag},$args{locsubfield}) =  GetMarcFromKohaField("items.homebranch", '');
  42
  43         my $nextnum;
  44     my $scr;
  45         my $autoBarcodeType = C4::Context->preference("autoBarcode");
  46     warn "Barcode type = $autoBarcodeType" if $DEBUG;
  47         if ((not $autoBarcodeType) or $autoBarcodeType eq 'OFF') {
  48         # don't return a value unless we have the appropriate syspref set
  49         return q|<script type=\"text/javascript\"></script>|;
  50     }
  51         if ($autoBarcodeType eq 'annual') {
  52         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::annual::get_barcode(\%args);
  53         }
  54         elsif ($autoBarcodeType eq 'incremental') {
  55         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::incremental::get_barcode(\%args);
  56     }
  57     elsif ($autoBarcodeType eq 'hbyymmincr') {      # Generates a barcode where hb = home branch Code, yymm = year/month catalogued, incr = incremental number, reset yearly -fbcit
  58         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::hbyymmincr::get_barcode(\%args);
  59     }
  60     elsif ($autoBarcodeType eq 'EAN13') {
  61         # not the best, two catalogers could add the same barcode easily this way :/
  62         my $query = "select max(abs(barcode)) from items";
  63     my $dbh = $params->{dbh};
  64         my $sth = $dbh->prepare($query);
  65         $sth->execute();
  66         while (my ($last)= $sth->fetchrow_array) {
  67             $nextnum = $last;
  68         }
  69         my $ean = CheckDigits('ean');
  70         if ( $ean->is_valid($nextnum) ) {
  71             my $next = $ean->basenumber( $nextnum ) + 1;
  72             $nextnum = $ean->complete( $next );
  73             $nextnum = '0' x ( 13 - length($nextnum) ) . $nextnum; # pad zeros
  74         } else {
  75             warn "ERROR: invalid EAN-13 $nextnum, using increment";
  76             $nextnum++;
  77         }
  78     }
  79     else {
  80         warn "ERROR: unknown autoBarcode: $autoBarcodeType";
  81     }
  82
  83     # default js body (if not filled by hbyymmincr)
  84     $scr or $scr = <<END_OF_JS;
  85 if (\$('#' + id).val() == '' || force) {
  86     \$('#' + id).val('$nextnum');
  87 };
  88 END_OF_JS
  89
  90     my $js  = <<END_OF_JS;
  91 <script type="text/javascript">
  92 //<![CDATA[
  93
  94 function Focus$function_name(id, force) {
  95 $scr
  96 }
  97
  98 function Click$function_name(id) {
  99     Focus$function_name(id, 1);
 100     return false;
 101 }
 102 //]]>
 103 </script>
 104 END_OF_JS
 105     return $js;
 106 };
 107
 108 return { builder => $builder };