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
   9 # under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # Koha is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  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