1 package Koha::DateUtils;
3 # Copyright (c) 2011 PTFS-Europe Ltd.
4 # This file is part of Koha.
6 # Koha is free software; you can redistribute it and/or modify it under the
7 # terms of the GNU General Public License as published by the Free Software
8 # Foundation; either version 2 of the License, or (at your option) any later
11 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
12 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
13 # A PARTICULAR PURPOSE. See the GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License along with
16 # Koha; if not, write to the Free Software Foundation, Inc.,
17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 use version; our $VERSION = qv('1.0.0');
29 qw( dt_from_string output_pref format_sqldatetime )
34 Koha::DateUtils - Transitional wrappers to ease use of DateTime
38 Koha has historically only used dates not datetimes and been content to
39 handle these as strings. It also has confused formatting with actual dates
40 this is a temporary module for wrappers to hide the complexity of switch to DateTime
46 $dt = dt_from_string($date_string, [$format, $timezone ]);
48 Passed a date string returns a DateTime object format and timezone default
49 to the system preferences. If the date string is empty DateTime->now is returned
54 my ( $date_string, $date_format, $tz ) = @_;
56 return if $date_string and $date_string =~ m|^0000-0|;
58 $tz = C4::Context->tz unless $tz;;
60 return DateTime->now( time_zone => $tz ) unless $date_string;
62 $date_format = C4::Context->preference('dateformat') unless $date_format;
64 if ( ref($date_string) eq 'DateTime' ) { # already a dt return it
69 if ( $date_format eq 'metric' ) {
70 # metric format is "dd/mm/yyyy[ hh:mm:ss]"
79 elsif ( $date_format eq 'us' ) {
80 # us format is "mm/dd/yyyy[ hh:mm:ss]"
89 elsif ( $date_format eq 'iso' or $date_format eq 'sql' ) {
90 # iso format is yyyy-dd-mm[ hh:mm:ss]"
100 die "Invalid dateformat parameter ($date_format)";
103 # Add the faculative time part [hh:mm[:ss]]
118 if ( $date_string =~ $regex ) {
124 minute => $+{minute},
125 second => $+{second},
129 die "The given date ($date_string) does not match the date format ($date_format)";
132 # system allows the 0th of the month
133 $dt_params{day} = '01' if $dt_params{day} eq '00';
135 # Set default hh:mm:ss to 00:00:00
136 $dt_params{hour} = 00 unless defined $dt_params{hour};
137 $dt_params{minute} = 00 unless defined $dt_params{minute};
138 $dt_params{second} = 00 unless defined $dt_params{second};
143 # No TZ for dates 'infinite' => see bug 13242
144 ( $dt_params{year} < 9999 ? ( time_zone => $tz->name ) : () ),
148 $tz = DateTime::TimeZone->new( name => 'floating' );
151 # No TZ for dates 'infinite' => see bug 13242
152 ( $dt_params{year} < 9999 ? ( time_zone => $tz->name ) : () ),
160 $date_string = output_pref({ dt => $dt [, dateformat => $date_format, timeformat => $time_format, dateonly => 0|1, as_due_date => 0|1 ] });
161 $date_string = output_pref( $dt );
163 Returns a string containing the time & date formatted as per the C4::Context setting,
164 or C<undef> if C<undef> was provided.
166 This routine can either be passed a DateTime object or or a hashref. If it is
167 passed a hashref, the expected keys are a mandatory 'dt' for the DateTime,
168 an optional 'dateformat' to override the dateformat system preference, an
169 optional 'timeformat' to override the TimeFormat system preference value,
170 and an optional 'dateonly' to specify that only the formatted date string
171 should be returned without the time.
177 my ( $dt, $force_pref, $force_time, $dateonly, $as_due_date );
178 if ( ref $params eq 'HASH' ) {
180 $force_pref = $params->{dateformat}; # if testing we want to override Context
181 $force_time = $params->{timeformat};
182 $dateonly = $params->{dateonly} || 0; # if you don't want the hours and minutes
183 $as_due_date = $params->{as_due_date} || 0; # don't display the hours and minutes if eq to 23:59 or 11:59 (depending the TimeFormat value)
188 return unless defined $dt;
190 # FIXME: see bug 13242 => no TZ for dates 'infinite'
191 if ( $dt->ymd !~ /^9999/ ) {
192 my $tz = $dateonly ? DateTime::TimeZone->new(name => 'floating') : C4::Context->tz;
193 $dt->set_time_zone( $tz );
197 defined $force_pref ? $force_pref : C4::Context->preference('dateformat');
199 my $time_format = $force_time || C4::Context->preference('TimeFormat') || q{};
200 my $time = ( $time_format eq '12hr' ) ? '%I:%M %p' : '%H:%M';
202 if ( $pref =~ m/^iso/ ) {
204 ? $dt->strftime("%Y-%m-%d")
205 : $dt->strftime("%Y-%m-%d $time");
207 elsif ( $pref =~ m/^metric/ ) {
209 ? $dt->strftime("%d/%m/%Y")
210 : $dt->strftime("%d/%m/%Y $time");
212 elsif ( $pref =~ m/^us/ ) {
214 ? $dt->strftime("%m/%d/%Y")
215 : $dt->strftime("%m/%d/%Y $time");
219 ? $dt->strftime("%Y-%m-%d")
220 : $dt->strftime("%Y-%m-%d $time");
223 if ( $as_due_date ) {
224 $time_format eq '12hr'
225 ? $date =~ s| 11:59 PM$||
226 : $date =~ s| 23:59$||;
232 =head2 format_sqldatetime
234 $string = format_sqldatetime( $string_as_returned_from_db );
236 a convenience routine for calling dt_from_string and formatting the result
237 with output_pref as it is a frequent activity in scripts
241 sub format_sqldatetime {
243 my $force_pref = shift; # if testing we want to override Context
244 my $force_time = shift;
245 my $dateonly = shift;
247 if ( defined $str && $str =~ m/^\d{4}-\d{2}-\d{2}/ ) {
248 my $dt = dt_from_string( $str, 'sql' );
249 return q{} unless $dt;
250 $dt->truncate( to => 'minute' );
253 dateformat => $force_pref,
254 timeformat => $force_time,
255 dateonly => $dateonly