-#!/usr/bin/perl
-## written by T Garip 2006-10-10 tgarip@neu.edu.tr
-# 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
-
-# $Id$
+#!/usr/bin/perl -w
package C4::Date;
use strict;
use C4::Context;
-use DateTime;
-use DateTime::Format::ISO8601;
-use DateTime::Format::Strptime;
-use DateTime::Format::Duration;
-use POSIX qw(ceil floor);
+use Date::Calc qw(Parse_Date Decode_Date_EU Decode_Date_US Time_to_Date check_date);
+
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", $_ } @v ); };
+$VERSION = 0.01;
@ISA = qw(Exporter);
@EXPORT = qw(
- &display_date_format
- &format_date
- &format_date_in_iso
- &get_date_format_string_for_DHTMLcalendar
- &DATE_diff &DATE_Add
-&get_today &DATE_Add_Duration &DATE_obj &get_duration
-&DATE_subtract
+ &display_date_format
+ &format_date
+ &format_date_in_iso
);
-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
+{
+ #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 format_date
+{
+ my $olddate = shift;
+ my $newdate;
+
+ if ( ! $olddate )
+ {
+ return "";
+ }
+
+# warn $olddate;
+# $olddate=~s#/|\.|-##g;
+ my ($year,$month,$day)=Parse_Date($olddate);
+ ($year,$month,$day)=split /-|\/|\.|:/,$olddate unless ($year && $month);
+# warn "$olddate annee $year mois $month jour $day";
+ if ($year>0 && $month>0){
+ my $dateformat = get_date_format();
+ $dateformat="metric" if (index(":",$olddate)>0);
+ if ( $dateformat eq "us" )
+ {
+ $newdate = sprintf("%02d/%02d/%04d",$month,$day,$year);
+ }
+ elsif ( $dateformat eq "metric" )
+ {
+ $newdate = sprintf("%02d/%02d/%04d",$day,$month,$year);
+ }
+ elsif ( $dateformat eq "iso" )
+ {
+ # Date_Init("DateFormat=iso");
+ $newdate = sprintf("%04d-%02d-%02d",$year,$month,$day);
+ }
+ else
+ {
+ return "Invalid date format: $dateformat. Please change in system preferences";
+ }
+# warn "newdate :$newdate";
}
+ return $newdate;
}
-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 {
+sub format_date_in_iso
+{
my $olddate = shift;
my $newdate;
- if ( !$olddate || $olddate eq "0000-00-00" ) {
- return "";
- }
- $olddate=~s/-//g;
- my $olddate=substr($olddate,0,8);
- my $dateformat = get_date_format();
-eval{$newdate =DateTime::Format::ISO8601->parse_datetime($olddate);};
-if ($@ || !$newdate){
-##MARC21 tag 008 has this format YYMMDD
-my $parser = DateTime::Format::Strptime->new( pattern => '%y%m%d' );
- $newdate =$parser->parse_datetime($olddate);
-}
-if (!$newdate){
-return ""; #### some script call format_date more than once --FIX scripts
-}
- if ( $dateformat eq "us" ) {
- return $newdate->mdy('/');
-
- }
- elsif ( $dateformat eq "metric" ) {
- return $newdate->dmy('/');
- }
- elsif ( $dateformat eq "iso" ) {
- return $newdate->ymd;
+ if ( ! $olddate )
+ {
+ return "";
}
- else {
- return
-"Invalid date format: $dateformat. Please change in system preferences";
+ if (check_whether_iso($olddate)){
+ return $olddate;
+ } else {
+ my $dateformat = get_date_format();
+ my ($year,$month,$day);
+ my @date;
+ my $tmpolddate=$olddate;
+ $tmpolddate=~s#/|\.|-|\\##g;
+ $dateformat="metric" if (index(":",$olddate)>0);
+ if ( $dateformat eq "us" )
+ {
+ ($month,$day,$year)=split /-|\/|\.|:/,$olddate unless ($year && $month);
+ if ($month>0 && $day >0){
+ @date = Decode_Date_US($tmpolddate);
+ } else {
+ @date=($year, $month,$day)
+ }
+ }
+ elsif ( $dateformat eq "metric" )
+ {
+ ($day,$month,$year)=split /-|\/|\.|:/,$olddate unless ($year && $month);
+ if ($month>0 && $day >0){
+ @date = Decode_Date_EU($tmpolddate);
+ } else {
+ @date=($year, $month,$day)
+ }
+ }
+ elsif ( $dateformat eq "iso" )
+ {
+ ($year,$month,$day)=split /-|\/|\.|:/,$olddate unless ($year && $month);
+ if ($month>0 && $day >0){
+ @date=($year, $month,$day) if (check_date($year,$month,$day));
+ } else {
+ @date=($year, $month,$day)
+ }
+ }
+ else
+ {
+ return "9999-99-99";
+ }
+ $newdate = sprintf("%04d-%02d-%02d",$date[0],$date[1],$date[2]);
+ return $newdate;
}
-
}
-sub format_date_in_iso {
+sub check_whether_iso
+{
my $olddate = shift;
- my $newdate;
- my $parser;
- if ( !$olddate || $olddate eq "0000-00-00" ) {
- return "";
- }
-
-$parser = DateTime::Format::Strptime->new( pattern => '%d/%m/%Y' );
- $newdate =$parser->parse_datetime($olddate);
-if (!$newdate){
-$parser = DateTime::Format::Strptime->new( pattern => '%m/%d/%Y' );
-$newdate =$parser->parse_datetime($olddate);
-}
-if (!$newdate){
- $parser = DateTime::Format::Strptime->new( pattern => '%Y-%m-%d' );
-$newdate =$parser->parse_datetime($olddate);
-}
- if (!$newdate){
- $parser = DateTime::Format::Strptime->new( pattern => '%y-%m-%d' );
-$newdate =$parser->parse_datetime($olddate);
-}
-
- return $newdate->ymd if $newdate;
-}
-sub DATE_diff {
-## returns 1 if date1>date2 0 if date1==date2 -1 if date1<date2
-my ($date1,$date2)=@_;
-my $dt1=DateTime::Format::ISO8601->parse_datetime($date1);
-my $dt2=DateTime::Format::ISO8601->parse_datetime($date2);
-my $diff=DateTime->compare( $dt1, $dt2 );
-return $diff;
-}
-sub DATE_Add {
-## $amount in days
-my ($date,$amount)=@_;
-my $dt1=DateTime::Format::ISO8601->parse_datetime($date);
-$dt1->add( days=>$amount );
-return $dt1->ymd;
-}
-sub DATE_Add_Duration {
-## Similar as above but uses Duration object as amount --used heavily in serials
-my ($date,$amount)=@_;
-my $dt1=DateTime::Format::ISO8601->parse_datetime($date);
-$dt1->add_duration($amount) ;
-return $dt1->ymd;
-}
-sub get_today{
-my $dt=DateTime->today;
-return $dt->ymd;
-}
-
-sub DATE_obj{
-# only send iso dates to this
-my $date=shift;
- my $parser = DateTime::Format::Strptime->new( pattern => '%Y-%m-%d' );
- my $newdate =$parser->parse_datetime($date);
-return $newdate;
-}
-sub get_duration{
-my $period=shift;
-
-my $parse;
-if ($period=~/ays/){
-$parse="\%e days";
-}elsif ($period=~/week/){
-$parse="\%W weeks";
-}elsif ($period=~/year/){
-$parse="\%Y years";
-}elsif ($period=~/onth/){
-$parse="\%m months";
-}
-
-my $parser=DateTime::Format::Duration->new(pattern => $parse );
- my $duration=$parser->parse_duration($period);
-
-return $duration;
-
-}
-sub DATE_subtract{
-my ($date1,$date2)=@_;
-my $dt1=DateTime::Format::ISO8601->parse_datetime($date1);
-my $dt2=DateTime::Format::ISO8601->parse_datetime($date2);
-my $dur=$dt2->subtract_datetime_absolute($dt1);## in seconds
-my $days=$dur->seconds/(60*60*24);
-return floor($days);
+ my @olddate= split /\-/,$olddate ;
+ return 1 if (length($olddate[0])==4 && length($olddate[1])<=2 && length($olddate[2])<=2);
+ return 0;
}
1;
projects / koha.git / blobdiff