File Coverage

blib/lib/Algorithm/CheckDigits/M11_007.pm

Criterion	Covered	Total	%
statement	39	43	90.7
branch	8	16	50.0
condition	1	3	33.3
subroutine	11	11	100.0
pod	4	5	80.0
total	63	78	80.7

package Algorithm::CheckDigits::M11_007;

use 5.006;
use strict;
use warnings;
use integer;

use version; our $VERSION = 'v1.3.5';

our @ISA = qw(Algorithm::CheckDigits);

my @weight = ( 7, 9, 10, 5, 8, 4, 2 );

sub new {
	my $proto = shift;
	my $type  = shift;
	my $class = ref($proto) || $proto;
	my $self  = bless({}, $class);
	$self->{type} = lc($type);
	return $self;
} # new()

sub is_valid {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{7})(\d)$/) {
		return uc($2) eq $self->_compute_checkdigits($1);
	}
	return ''
} # is_valid()

sub complete {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{7})$/) {
		return "$1" . $self->_compute_checkdigits($1);
	}
	return '';
} # complete()

sub basenumber {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{7})(\d)$/) {
		return $1 if ($2 eq $self->_compute_checkdigits($1));
	}
	return '';
} # basenumber()

sub checkdigit {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{7})(\d)$/) {
		return $2 if ($2 eq $self->_compute_checkdigits($1));
	}
	return '';
} # checkdigit()

sub _compute_checkdigits {
	my $self    = shift;

	my @digits = split(//,shift);
	my $sum = 0;
	for (my $i = 0; $i <= $#digits; $i++) {
		$sum += $weight[$i] * $digits[$i];
	}
	$sum %= 11;
	return $sum ? ($sum == 1 ? '' : 11 - $sum) : 0;
} # _compute_checkdigit()

# Preloaded methods go here.

1;
__END__