cataloguing/value_builder/barcode.pl

   1 #!/usr/bin/perl
   2 # Copyright 2000-2002 Katipo Communications
   3 # Parts copyright 2008-2010 Foundations Bible College
   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 strict;
  21 use warnings;
  22 no warnings 'redefine'; # otherwise loading up multiple plugins fills the log with subroutine redefine warnings
  23
  24 use C4::Context;
  25 require C4::Barcodes::ValueBuilder;
  26 use Koha::DateUtils;
  27
  28 use Algorithm::CheckDigits;
  29
  30 my $DEBUG = 0;
  31
  32 sub plugin_javascript {
  33         my ($dbh,$record,$tagslib,$field_number,$tabloop) = @_;
  34         my $function_name= "barcode".(int(rand(100000))+1);
  35     my %args;
  36
  37         # find today's date
  38     ($args{year}, $args{mon}, $args{day}) = split('-', output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }));
  39     ($args{tag},$args{subfield})       =  GetMarcFromKohaField("items.barcode", '');
  40     ($args{loctag},$args{locsubfield}) =  GetMarcFromKohaField("items.homebranch", '');
  41
  42         my $nextnum;
  43     my $scr;
  44         my $autoBarcodeType = C4::Context->preference("autoBarcode");
  45     warn "Barcode type = $autoBarcodeType" if $DEBUG;
  46         if ((not $autoBarcodeType) or $autoBarcodeType eq 'OFF') {
  47         # don't return a value unless we have the appropriate syspref set
  48                 return ($function_name,
  49         "<script type=\"text/javascript\">
  50         // autoBarcodeType OFF (or not defined)
  51         function Focus$function_name() { return 0;}
  52         function  Clic$function_name() { return 0;}
  53         function  Blur$function_name() { return 0;}
  54         </script>");
  55     }
  56         if ($autoBarcodeType eq 'annual') {
  57         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::annual::get_barcode(\%args);
  58         }
  59         elsif ($autoBarcodeType eq 'incremental') {
  60         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::incremental::get_barcode(\%args);
  61     }
  62     elsif ($autoBarcodeType eq 'hbyymmincr') {      # Generates a barcode where hb = home branch Code, yymm = year/month catalogued, incr = incremental number, reset yearly -fbcit
  63         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::hbyymmincr::get_barcode(\%args);
  64     }
  65     elsif ($autoBarcodeType eq 'EAN13') {
  66         # not the best, two catalogers could add the same barcode easily this way :/
  67         my $query = "select max(abs(barcode)) from items";
  68         my $sth = $dbh->prepare($query);
  69         $sth->execute();
  70         while (my ($last)= $sth->fetchrow_array) {
  71             $nextnum = $last;
  72         }
  73         my $ean = CheckDigits('ean');
  74         if ( $ean->is_valid($nextnum) ) {
  75             my $next = $ean->basenumber( $nextnum ) + 1;
  76             $nextnum = $ean->complete( $next );
  77             $nextnum = '0' x ( 13 - length($nextnum) ) . $nextnum; # pad zeros
  78         } else {
  79             warn "ERROR: invalid EAN-13 $nextnum, using increment";
  80             $nextnum++;
  81         }
  82     }
  83     else {
  84         warn "ERROR: unknown autoBarcode: $autoBarcodeType";
  85     }
  86
  87     # default js body (if not filled by hbyymmincr)
  88     $scr or $scr = <<END_OF_JS;
  89 if (\$('#' + id).val() == '' || force) {
  90     \$('#' + id).val('$nextnum');
  91 }
  92 END_OF_JS
  93
  94     my $js  = <<END_OF_JS;
  95 <script type="text/javascript">
  96 //<![CDATA[
  97
  98 function Focus$function_name(subfield_managed, id, force) {
  99 $scr
 100     return 0;
 101 }
 102
 103 function Clic$function_name(id) {
 104     return Focus$function_name('not_relavent', id, 1);
 105 }
 106 //]]>
 107 </script>
 108 END_OF_JS
 109     return ($function_name, $js);
 110 }