Koha/C4/Barcodes/annual.pm
Chris Cormack 509d673f10 Bug 7941 : Fix version numbers in modules
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>
2012-06-11 17:29:38 +02:00

97 lines
2.9 KiB
Perl

package C4::Barcodes::annual;
# Copyright 2008 LibLime
#
# 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 2 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 strict;
use warnings;
use Carp;
use C4::Context;
use C4::Debug;
use C4::Dates;
use vars qw($VERSION @ISA);
use vars qw($debug $cgi_debug); # from C4::Debug, of course
use vars qw($width);
BEGIN {
$VERSION = 3.07.00.049;
@ISA = qw(C4::Barcodes);
$width = 4;
}
sub db_max ($;$) {
my $self = shift;
my $query = "SELECT max(substring_index(barcode,'-',-1)) AS chunk,barcode FROM items WHERE barcode LIKE ? GROUP BY barcode";
# FIXME: unreasonably expensive query on large datasets
my $sth = C4::Context->dbh->prepare($query);
my ($iso);
if (@_) {
my $input = shift;
$iso = C4::Dates->new($input,'iso')->output('iso'); # try to set the date w/ 2nd arg
unless ($iso) {
warn "Failed to create 'iso' Dates object with input '$input'. Reverting to today's date.";
$iso = C4::Dates->new->output('iso'); # failover back to today
}
} else {
$iso = C4::Dates->new->output('iso');
}
my $year = substr($iso,0,4); # YYYY
$sth->execute("$year-%");
my $row = $sth->fetchrow_hashref;
warn "barcode db_max (annual format, year $year): $row->{barcode}" if $debug;
return $row->{barcode};
}
sub initial () {
my $self = shift;
return substr(C4::Dates->new->output('iso'),0,4) .'-'. sprintf('%'."$width.$width".'d', 1);
}
sub parse ($;$) {
my $self = shift;
my $barcode = (@_) ? shift : $self->value;
unless ($barcode =~ /(\d{4}-)(\d+)$/) { # non-greedy match in first part
carp "Barcode '$barcode' has no incrementing part!";
return ($barcode,undef,undef);
}
$debug and warn "Barcode '$barcode' parses into: '$1', '$2', ''";
return ($1,$2,''); # the third part is in anticipation of barcodes that include checkdigits
}
sub width ($;$) {
my $self = shift;
(@_) and $width = shift; # hitting the class variable.
return $width;
}
sub process_head($$;$$) { # (self,head,whole,specific)
my ($self,$head,$whole,$specific) = @_;
$specific and return $head; # if this is built off an existing barcode, just return the head unchanged.
return substr(C4::Dates->new->output('iso'),0,4) . '-'; # else get new YYYY-
}
sub new_object {
my $class = shift;
my $type = ref($class) || $class;
my $self = $type->default_self('annual');
return bless $self, $type;
}
1;
__END__