C4/ClassSortRoutine/LCC.pm

   1 package C4::ClassSortRoutine::LCC;
   2
   3 # Copyright (C) 2007 LibLime
   4 # Copyright (C) 2012 Equinox Software, Inc.
   5 #
   6 # This file is part of Koha.
   7 #
   8 # Koha is free software; you can redistribute it and/or modify it under the
   9 # terms of the GNU General Public License as published by the Free Software
  10 # Foundation; either version 2 of the License, or (at your option) any later
  11 # version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  14 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  15 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with Koha; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20
  21 use strict;
  22 use warnings;
  23 use Library::CallNumber::LC;
  24
  25 use vars qw($VERSION);
  26
  27 # set the version for version checking
  28 $VERSION = 3.07.00.049;
  29
  30 =head1 NAME
  31
  32 C4::ClassSortRoutine::LCC - generic call number sorting key routine
  33
  34 =head1 SYNOPSIS
  35
  36 use C4::ClassSortRoutine;
  37
  38 my $cn_sort = GetClassSortKey('LCC', $cn_class, $cn_item);
  39
  40 =head1 FUNCTIONS
  41
  42 =head2 get_class_sort_key
  43
  44   my $cn_sort = C4::ClassSortRoutine::LCC::LCC($cn_class, $cn_item);
  45
  46 Generates sorting key for LC call numbers.
  47
  48 =cut
  49
  50 sub get_class_sort_key {
  51     my ($cn_class, $cn_item) = @_;
  52
  53     $cn_class = '' unless defined $cn_class;
  54     $cn_item  = '' unless defined $cn_item;
  55     my $call_number = Library::CallNumber::LC->new(uc "$cn_class $cn_item");
  56     return '' unless defined $call_number;
  57     my $key = $call_number->normalize();
  58     $key = '' unless defined $key;
  59     return $key;
  60
  61 }
  62
  63 1;
  64
  65 =head1 AUTHOR
  66
  67 Koha Development Team <http://koha-community.org/>
  68
  69 =cut
  70