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package Koha::Util::Normalize;
# Copyright 2016 Koha Development Team
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Koha; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use Modern::Perl;
use Business::ISBN;
use parent qw( Exporter );
our @EXPORT = qw(
legacy_default
remove_spaces
upper_case
lower_case
ISBN
);
=head1 NAME
Koha::Util::Normalize - utility class with string normalization routines
=head1 METHODS
=head2 legacy_default
Default normalization function
=cut
sub legacy_default {
my ( $string ) = @_;
return if !defined( $string );
$string = uc $string;
$string =~ s/[.;:,\]\[\)\(\/'"]//g;
$string =~ s/^\s+//;
$string =~ s/\s+$//;
$string =~ s/\s+/ /g;
return $string;
}
=head2 remove_spaces
Normalization function removing spaces
=cut
sub remove_spaces {
my ( $string ) = @_;
return if !defined( $string );
$string =~ s/\s+//g;
return $string;
}
=head2 upper_case
Normalization function converting characters into upper-case
=cut
sub upper_case {
my ( $string ) = @_;
return if !defined( $string );
$string = uc $string;
return $string;
}
=head2 lower_case
Normalization function converting characters into lower-case
=cut
sub lower_case {
my ( $string ) = @_;
return if !defined( $string );
$string = lc $string;
return $string;
}
=head2 ISBN
Normalization function converting ISBN strings to ISBN13
If string is not a valid ISBN we pass it through unaltered
=cut
sub ISBN {
my ( $string ) = @_;
return if !defined( $string );
my $isbn = Business::ISBN->new($string);
if (defined $isbn && $isbn->is_valid) {
$string = $isbn->as_isbn13->as_string([]);
}
return $string;
}
1;
__END__
=head1 AUTHOR
Koha Development Team <http://koha-community.org/>
Tomas Cohen Arazi <tomascohen@theke.io>
=cut