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 under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 2 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  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 require C4::Dates;
  27
  28 use Algorithm::CheckDigits;
  29
  30 my $DEBUG = 0;
  31
  32 =head1
  33
  34 plugin_parameters : other parameters added when the plugin is called by the dopop function
  35
  36 =cut
  37
  38 sub plugin_parameters {
  39 #   my ($dbh,$record,$tagslib,$i,$tabloop) = @_;
  40     return "";
  41 }
  42
  43 =head1
  44
  45 plugin_javascript : the javascript function called when the user enters the subfield.
  46 contain 3 javascript functions :
  47 * one called when the field is entered (OnFocus). Named FocusXXX
  48 * one called when the field is leaved (onBlur). Named BlurXXX
  49 * one called when the ... link is clicked (<a href="javascript:function">) named ClicXXX
  50
  51 returns :
  52 * XXX
  53 * a variable containing the 3 scripts.
  54 the 3 scripts are inserted after the <input> in the html code
  55
  56 =cut
  57
  58 sub plugin_javascript {
  59         my ($dbh,$record,$tagslib,$field_number,$tabloop) = @_;
  60         my $function_name= "barcode".(int(rand(100000))+1);
  61     my %args;
  62
  63         # find today's date
  64     ($args{year}, $args{mon}, $args{day}) = split('-', C4::Dates->today('iso'));
  65     ($args{tag},$args{subfield})       =  GetMarcFromKohaField("items.barcode", '');
  66     ($args{loctag},$args{locsubfield}) =  GetMarcFromKohaField("items.homebranch", '');
  67
  68         my $nextnum;
  69     my $scr;
  70         my $autoBarcodeType = C4::Context->preference("autoBarcode");
  71     warn "Barcode type = $autoBarcodeType" if $DEBUG;
  72         if ((not $autoBarcodeType) or $autoBarcodeType eq 'OFF') {
  73         # don't return a value unless we have the appropriate syspref set
  74                 return ($function_name,
  75         "<script type=\"text/javascript\">
  76         // autoBarcodeType OFF (or not defined)
  77         function Focus$function_name() { return 0;}
  78         function  Clic$function_name() { return 0;}
  79         function  Blur$function_name() { return 0;}
  80         </script>");
  81     }
  82         if ($autoBarcodeType eq 'annual') {
  83         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::annual::get_barcode(\%args);
  84         }
  85         elsif ($autoBarcodeType eq 'incremental') {
  86         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::incremental::get_barcode(\%args);
  87     }
  88     elsif ($autoBarcodeType eq 'hbyymmincr') {      # Generates a barcode where hb = home branch Code, yymm = year/month catalogued, incr = incremental number, reset yearly -fbcit
  89         ($nextnum, $scr) = C4::Barcodes::ValueBuilder::hbyymmincr::get_barcode(\%args);
  90     }
  91     elsif ($autoBarcodeType eq 'EAN13') {
  92         # not the best, two catalogers could add the same barcode easily this way :/
  93         my $query = "select max(abs(barcode)) from items";
  94         my $sth = $dbh->prepare($query);
  95         $sth->execute();
  96         while (my ($last)= $sth->fetchrow_array) {
  97             $nextnum = $last;
  98         }
  99         my $ean = CheckDigits('ean');
 100         if ( $ean->is_valid($nextnum) ) {
 101             my $next = $ean->basenumber( $nextnum ) + 1;
 102             $nextnum = $ean->complete( $next );
 103             $nextnum = '0' x ( 13 - length($nextnum) ) . $nextnum; # pad zeros
 104         } else {
 105             warn "ERROR: invalid EAN-13 $nextnum, using increment";
 106             $nextnum++;
 107         }
 108     }
 109     else {
 110         warn "ERROR: unknown autoBarcode: $autoBarcodeType";
 111     }
 112
 113     # default js body (if not filled by hbyymmincr)
 114     $scr or $scr = <<END_OF_JS;
 115 if (\$('#' + id).val() == '' || force) {
 116     \$('#' + id).val('$nextnum');
 117 }
 118 END_OF_JS
 119
 120     my $js  = <<END_OF_JS;
 121 <script type="text/javascript">
 122 //<![CDATA[
 123
 124 function Blur$function_name(index) {
 125     //barcode validation might go here
 126 }
 127
 128 function Focus$function_name(subfield_managed, id, force) {
 129 $scr
 130     return 0;
 131 }
 132
 133 function Clic$function_name(id) {
 134     return Focus$function_name('not_relavent', id, 1);
 135 }
 136 //]]>
 137 </script>
 138 END_OF_JS
 139     return ($function_name, $js);
 140 }
 141
 142 =head1
 143
 144 plugin: useless here
 145
 146 =cut
 147
 148 sub plugin {
 149     # my ($input) = @_;
 150     return "";
 151 }
 152
 153 1;