-#!/usr/bin/perl -w
-
package C4::Date;
+# 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
use strict;
use C4::Context;
-use Date::Manip;
+use Date::Calc qw(Parse_Date Decode_Date_EU Decode_Date_US Time_to_Date check_date);
require Exporter;
@EXPORT = qw(
&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;
-
- #Query the database to get the dateformat
- my $sth = $dbh->prepare("SELECT value FROM systempreferences WHERE variable='dateformat'");
-
- $sth->execute();
-
- my ($dateformat) = $sth->fetchrow;
-
- return $dateformat
+ return C4::Context->preference('dateformat');
}
sub display_date_format
{
my $dateformat = get_date_format();
-
+
if ( $dateformat eq "us" )
{
return "mm/dd/yyyy";
}
}
+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;
- 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" )
+ if ( ! $olddate )
{
- Date_Init("DateFormat=iso");
- $olddate = ParseDate($olddate);
- $newdate = UnixDate($olddate,'%Y-%m-%d');
- }
- else
- {
- return "Invalid date format: $dateformat. Please change in system preferences";
+ 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 format_date_in_iso
{
- my $olddate = shift;
- my $newdate;
-
- 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);
+ my $olddate = shift;
+ my $newdate;
+
+ if ( ! $olddate )
+ {
+ return "";
+ }
+ if (check_whether_iso($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 "iso" )
- {
- Date_Init("DateFormat=iso");
- $olddate = ParseDate($olddate);
+ }
+ 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)
}
- else
- {
- return "9999-99-99";
+ }
+ 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;
+ }
+}
- $newdate = UnixDate($olddate, '%Y-%m-%d');
+sub check_whether_iso
+{
+ my $olddate = shift;
+ my @olddate= split /\-/,$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
- return $newdate;
+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";
+ }
+ }
+ }
+ }
+ return ( $date, $invalidduedate );
}
+
1;