Koha/C4/Date.pm
2006-06-02 15:31:20 +00:00

152 lines
3.5 KiB
Perl

#!/usr/bin/perl
# Copyright 2000-2002 Katipo Communications
#
# 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., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
# $Id$
package C4::Date;
use strict;
use C4::Context;
use Date::Manip;
require Exporter;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
$VERSION = do { my @v = '$Revision$' =~ /\d+/g; shift(@v) . "." . join( "_", map { sprintf "%03d", $_ } @v ); };
@ISA = qw(Exporter);
@EXPORT = qw(
&display_date_format
&format_date
&format_date_in_iso
&today
get_date_format_string_for_DHTMLcalendar
);
sub get_date_format {
#Get the database handle
my $dbh = C4::Context->dbh;
return C4::Context->preference('dateformat');
}
sub display_date_format {
my $dateformat = get_date_format();
if ( $dateformat eq "us" ) {
return "mm/dd/yyyy";
}
elsif ( $dateformat eq "metric" ) {
return "dd/mm/yyyy";
}
elsif ( $dateformat eq "iso" ) {
return "yyyy-mm-dd";
}
else {
return
"Invalid date format: $dateformat. Please change in system preferences";
}
}
sub get_date_format_string_for_DHTMLcalendar {
my $dateformat = get_date_format();
if ( $dateformat eq 'us' ) {
return '%m/%d/%Y';
}
elsif ( $dateformat eq 'metric' ) {
return '%d/%m/%Y';
}
elsif ( $dateformat eq "iso" ) {
return '%Y-%m-%d';
}
else {
return 'Invalid date format: '
. $dateformat . '.'
. ' Please change in system preferences';
}
}
sub format_date {
my $olddate = shift;
my $newdate;
if ( !$olddate ) {
return "";
}
my $dateformat = get_date_format();
if ( $dateformat eq "us" ) {
Date_Init("DateFormat=US");
$olddate = ParseDate($olddate);
$newdate = UnixDate( $olddate, '%m/%d/%Y' );
}
elsif ( $dateformat eq "metric" ) {
Date_Init("DateFormat=metric");
$olddate = ParseDate($olddate);
$newdate = UnixDate( $olddate, '%d/%m/%Y' );
}
elsif ( $dateformat eq "iso" ) {
Date_Init("DateFormat=iso");
$olddate = ParseDate($olddate);
$newdate = UnixDate( $olddate, '%Y-%m-%d' );
}
else {
return
"Invalid date format: $dateformat. Please change in system preferences";
}
}
sub format_date_in_iso {
my $olddate = shift;
my $newdate;
if ( !$olddate ) {
return "";
}
my $dateformat = get_date_format();
if ( $dateformat eq "us" ) {
Date_Init("DateFormat=US");
$olddate = ParseDate($olddate);
}
elsif ( $dateformat eq "metric" ) {
Date_Init("DateFormat=metric");
$olddate = ParseDate($olddate);
}
elsif ( $dateformat eq "iso" ) {
Date_Init("DateFormat=iso");
$olddate = ParseDate($olddate);
}
else {
return "9999-99-99";
}
$newdate = UnixDate( $olddate, '%Y-%m-%d' );
return $newdate;
}
1;