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97 lines
3.1 KiB
97 lines
3.1 KiB
package C4::Barcodes::annual;
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# Copyright 2008 LibLime
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use strict;
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use warnings;
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use Carp;
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use C4::Context;
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use C4::Debug;
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use Koha::DateUtils qw( output_pref dt_from_string );
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use vars qw(@ISA);
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use vars qw($debug $cgi_debug); # from C4::Debug, of course
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use vars qw($width);
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BEGIN {
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@ISA = qw(C4::Barcodes);
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$width = 4;
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}
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sub db_max {
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my $self = shift;
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my $query = "SELECT substring_index(barcode,'-',-1) AS chunk,barcode FROM items WHERE barcode LIKE ? ORDER BY chunk DESC LIMIT 1";
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# FIXME: unreasonably expensive query on large datasets (I think removal of group by does this?)
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my $sth = C4::Context->dbh->prepare($query);
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my ($iso);
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if (@_) {
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my $input = shift;
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$iso = output_pref({ dt => dt_from_string( $input, 'iso' ), dateformat => 'iso', dateonly => 1 }); # try to set the date w/ 2nd arg
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unless ($iso) {
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warn "Failed to create 'iso' Dates object with input '$input'. Reverting to today's date.";
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$iso = output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }); # failover back to today
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}
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} else {
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$iso = output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 });
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}
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my $year = substr($iso,0,4); # YYYY
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$sth->execute("$year-%");
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my $row = $sth->fetchrow_hashref;
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warn "barcode db_max (annual format, year $year): $row->{barcode}" if $debug;
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return $row->{barcode};
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}
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sub initial () {
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my $self = shift;
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return substr(output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }), 0, 4 ) .'-'. sprintf('%'."$width.$width".'d', 1);
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}
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sub parse {
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my $self = shift;
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my $barcode = (@_) ? shift : $self->value;
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unless ($barcode =~ /(\d{4}-)(\d+)$/) { # non-greedy match in first part
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carp "Barcode '$barcode' has no incrementing part!";
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return ($barcode,undef,undef);
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}
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$debug and warn "Barcode '$barcode' parses into: '$1', '$2', ''";
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return ($1,$2,''); # the third part is in anticipation of barcodes that include checkdigits
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}
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sub width {
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my $self = shift;
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(@_) and $width = shift; # hitting the class variable.
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return $width;
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}
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sub process_head {
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my ($self,$head,$whole,$specific) = @_;
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$specific and return $head; # if this is built off an existing barcode, just return the head unchanged.
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return substr(output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }), 0, 4 ) . '-'; # else get new YYYY-
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}
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sub new_object {
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my $class = shift;
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my $type = ref($class) || $class;
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my $self = $type->default_self('annual');
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return bless $self, $type;
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}
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1;
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__END__
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