-#!/usr/bin/perl
-## written by T Garip 2006-10-10
-# Copyright 2000-2002 Katipo Communications
-#
+package C4::Date;
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# 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 DateTime;
-use DateTime::Format::ISO8601;
-use DateTime::Format::Strptime;
-use DateTime::Format::Duration;
+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
+ &display_date_format
+ &get_date_format_string_for_DHTMLcalendar
+ &format_date
+ &format_date_in_iso
+ &fixdate
);
-sub get_date_format {
- #Get the database handle
- my $dbh = C4::Context->dbh;
- return C4::Context->preference('dateformat');
+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();
+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";
- }
+ 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 {
}
}
-sub format_date {
- my $olddate = shift;
- my $newdate;
- if ( !$olddate || $olddate eq "0000-00-00" ) {
- return "";
+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";
}
- $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
+ return $newdate;
}
- if ( $dateformat eq "us" ) {
- return $newdate->mdy('/');
-
- }
- elsif ( $dateformat eq "metric" ) {
- return $newdate->dmy('/');
- }
- elsif ( $dateformat eq "iso" ) {
- return $newdate->ymd;
+sub format_date_in_iso
+{
+ my $olddate = shift;
+ my $newdate;
+
+ 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 || $olddate eq "0000-00-00" ) {
- return "";
+ my @olddate= split /\-/,$olddate ;
+ return 1 if (length($olddate[0])==4 && length($olddate[1])<=2 && length($olddate[2])<=2);
+ return 0;
+}
+
+=head2 fixdate
+
+( $date, $invalidduedate ) = fixdate( $year, $month, $day );
+
+=cut
+
+sub fixdate {
+ my ( $year, $month, $day ) = @_;
+ my $invalidduedate;
+ my $date;
+ if ( $year && $month && $day ) {
+ if ( ( $year eq 0 ) && ( $month eq 0 ) && ( $year eq 0 ) ) {
+ }
+ else {
+ if ( ( $year eq 0 ) || ( $month eq 0 ) || ( $year eq 0 ) ) {
+ $invalidduedate = 1;
+ }
+ else {
+ if (
+ ( $day > 30 )
+ && ( ( $month == 4 )
+ || ( $month == 6 )
+ || ( $month == 9 )
+ || ( $month == 11 ) )
+ )
+ {
+ $invalidduedate = 1;
+ }
+ elsif ( ( $day > 29 ) && ( $month == 2 ) ) {
+ $invalidduedate = 1;
+ }
+ elsif (
+ ( $month == 2 )
+ && ( $day > 28 )
+ && ( ( $year % 4 )
+ && ( ( !( $year % 100 ) || ( $year % 400 ) ) ) )
+ )
+ {
+ $invalidduedate = 1;
+ }
+ else {
+ $date = "$year-$month-$day";
+ }
+ }
+ }
}
-
-$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;
+ return ( $date, $invalidduedate );
}
-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=~/day/){
-$parse="\%e days";
-}elsif ($period=~/week/){
-$parse="\%W weeks";
-}elsif ($period=~/year/){
-$parse="\%Y years";
-}elsif ($period=~/month/){
-$parse="\%m months";
-}
-my $parser=DateTime::Format::Duration->new(pattern => $parse );
- my $duration=$parser->parse_duration($period);
-return $duration;
-
-}
1;