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51 RT::Date - a simple Object Oriented date.
59 RT Date is a simple Date Object designed to be speedy and easy for RT to use
61 The fact that it assumes that a time of 0 means "never" is probably a bug.
76 use base qw/RT::Base/;
78 use vars qw($MINUTE $HOUR $DAY $WEEK $MONTH $YEAR);
84 $MONTH = 30.4375 * $DAY;
85 $YEAR = 365.25 * $DAY;
102 our @DAYS_OF_WEEK = (
113 'DefaultFormat', # loc
120 if ( eval 'use DateTime qw(); 1;' && eval 'use DateTime::Locale qw(); 1;' &&
121 DateTime->can('format_cldr') && DateTime::Locale::root->can('date_format_full') ) {
122 push @FORMATTERS, 'LocalizedDateTime'; # loc
127 Object constructor takes one argument C<RT::CurrentUser> object.
133 my $class = ref($proto) || $proto;
135 bless ($self, $class);
136 $self->CurrentUser(@_);
143 Takes a param hash with the fields C<Format>, C<Value> and C<Timezone>.
145 If $args->{'Format'} is 'unix', takes the number of seconds since the epoch.
147 If $args->{'Format'} is ISO, tries to parse an ISO date.
149 If $args->{'Format'} is 'unknown', require Time::ParseDate and make it figure
150 things out. This is a heavyweight operation that should never be called from
151 within RT's core. But it's really useful for something like the textbox date
152 entry where we let the user do whatever they want.
154 If $args->{'Value'} is 0, assumes you mean never.
167 return $self->Unix(0) unless $args{'Value'};
169 if ( $args{'Format'} =~ /^unix$/i ) {
170 return $self->Unix( $args{'Value'} );
172 elsif ( $args{'Format'} =~ /^(sql|datemanip|iso)$/i ) {
173 $args{'Value'} =~ s!/!-!g;
175 if ( ( $args{'Value'} =~ /^(\d{4})?(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/ )
176 || ( $args{'Value'} =~ /^(\d{4})?(\d\d)(\d\d)(\d\d):(\d\d):(\d\d)$/ )
177 || ( $args{'Value'} =~ /^(?:(\d{4})-)?(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)$/ )
178 || ( $args{'Value'} =~ /^(?:(\d{4})-)?(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)\+00$/ )
181 my ($year, $mon, $mday, $hours, $min, $sec) = ($1, $2, $3, $4, $5, $6);
183 # use current year if string has no value
184 $year ||= (localtime time)[5] + 1900;
186 #timegm expects month as 0->11
189 #now that we've parsed it, deal with the case where everything was 0
190 return $self->Unix(0) if $mon < 0 || $mon > 11;
192 my $tz = lc $args{'Format'} eq 'datemanip'? 'user': 'utc';
193 $self->Unix( $self->Timelocal( $tz, $sec, $min, $hours, $mday, $mon, $year ) );
195 $self->Unix(0) unless $self->Unix > 0;
198 $RT::Logger->warning(
199 "Couldn't parse date '$args{'Value'}' as a $args{'Format'} format"
201 return $self->Unix(0);
204 elsif ( $args{'Format'} =~ /^unknown$/i ) {
205 require Time::ParseDate;
206 # the module supports only legacy timezones like PDT or EST...
207 # so we parse date as GMT and later apply offset, this only
208 # should be applied to absolute times, so compensate shift in NOW
210 $now += ($self->Localtime( $args{Timezone}, $now ))[9];
211 my $date = Time::ParseDate::parsedate(
215 UK => RT->Config->Get('DateDayBeforeMonth'),
216 PREFER_PAST => RT->Config->Get('AmbiguousDayInPast'),
217 PREFER_FUTURE => RT->Config->Get('AmbiguousDayInFuture'),
219 # apply timezone offset
220 $date -= ($self->Localtime( $args{Timezone}, $date ))[9];
223 "RT::Date used Time::ParseDate to make '$args{'Value'}' $date\n"
226 return $self->Set( Format => 'unix', Value => $date);
230 "Unknown Date format: $args{'Format'}\n"
232 return $self->Unix(0);
240 Set the object's time to the current time. Takes no arguments
241 and returns unix time.
246 return $_[0]->Unix(time);
249 =head2 SetToMidnight [Timezone => 'utc']
251 Sets the date to midnight (at the beginning of the day).
252 Returns the unixtime at midnight.
260 Timezone context C<user>, C<server> or C<UTC>. See also L</Timezone>.
268 my %args = ( Timezone => '', @_ );
269 my $new = $self->Timelocal(
271 0,0,0,($self->Localtime( $args{'Timezone'} ))[3..9]
273 return $self->Unix( $new );
278 Takes either an C<RT::Date> object or the date in unixtime format as a string,
279 if nothing is specified uses the current time.
281 Returns the differnce between the time in the current object and that time
282 as a number of seconds. Returns C<undef> if any of two compared values is
283 incorrect or not set.
290 $other = time unless defined $other;
291 if ( UNIVERSAL::isa( $other, 'RT::Date' ) ) {
292 $other = $other->Unix;
294 return undef unless $other=~ /^\d+$/ && $other > 0;
296 my $unix = $self->Unix;
297 return undef unless $unix > 0;
299 return $unix - $other;
304 Takes either an C<RT::Date> object or the date in unixtime format as a string,
305 if nothing is specified uses the current time.
307 Returns the differnce between C<$self> and that time as a number of seconds as
308 a localized string fit for human consumption. Returns empty string if any of
309 two compared values is incorrect or not set.
315 my $diff = $self->Diff( @_ );
316 return '' unless defined $diff;
318 return $self->DurationAsString( $diff );
321 =head2 DurationAsString
323 Takes a number of seconds. Returns a localized string describing
328 sub DurationAsString {
330 my $duration = int shift;
332 my ( $negative, $s, $time_unit );
333 $negative = 1 if $duration < 0;
334 $duration = abs $duration;
336 if ( $duration < $MINUTE ) {
338 $time_unit = $self->loc("sec");
340 elsif ( $duration < ( 2 * $HOUR ) ) {
341 $s = int( $duration / $MINUTE + 0.5 );
342 $time_unit = $self->loc("min");
344 elsif ( $duration < ( 2 * $DAY ) ) {
345 $s = int( $duration / $HOUR + 0.5 );
346 $time_unit = $self->loc("hours");
348 elsif ( $duration < ( 2 * $WEEK ) ) {
349 $s = int( $duration / $DAY + 0.5 );
350 $time_unit = $self->loc("days");
352 elsif ( $duration < ( 2 * $MONTH ) ) {
353 $s = int( $duration / $WEEK + 0.5 );
354 $time_unit = $self->loc("weeks");
356 elsif ( $duration < $YEAR ) {
357 $s = int( $duration / $MONTH + 0.5 );
358 $time_unit = $self->loc("months");
361 $s = int( $duration / $YEAR + 0.5 );
362 $time_unit = $self->loc("years");
366 return $self->loc( "[_1] [_2] ago", $s, $time_unit );
369 return $self->loc( "[_1] [_2]", $s, $time_unit );
375 Takes nothing. Returns a string that's the differnce between the
376 time in the object and now.
380 sub AgeAsString { return $_[0]->DiffAsString }
386 Returns the object's time as a localized string with curent user's prefered
389 If the current user didn't choose prefered format then system wide setting is
390 used or L</DefaultFormat> if the latter is not specified. See config option
399 return $self->loc("Not set") unless $self->Unix > 0;
401 my $format = RT->Config->Get( 'DateTimeFormat', $self->CurrentUser ) || 'DefaultFormat';
402 $format = { Format => $format } unless ref $format;
403 %args = (%$format, %args);
405 return $self->Get( Timezone => 'user', %args );
408 =head2 GetWeekday DAY
410 Takes an integer day of week and returns a localized string for
411 that day of week. Valid values are from range 0-6, Note that B<0
420 return $self->loc($DAYS_OF_WEEK[$dow])
421 if $DAYS_OF_WEEK[$dow];
425 =head2 GetMonth MONTH
427 Takes an integer month and returns a localized string for that month.
428 Valid values are from from range 0-11.
436 return $self->loc($MONTHS[$mon])
441 =head2 AddSeconds SECONDS
443 Takes a number of seconds and returns the new unix time.
445 Negative value can be used to substract seconds.
451 my $delta = shift or return $self->Unix;
453 $self->Set(Format => 'unix', Value => ($self->Unix + $delta));
455 return ($self->Unix);
458 =head2 AddDays [DAYS]
460 Adds C<24 hours * DAYS> to the current time. Adds one day when
461 no argument is specified. Negative value can be used to substract
464 Returns new unix time.
470 my $days = shift || 1;
471 return $self->AddSeconds( $days * $DAY );
476 Adds 24 hours to the current time. Returns new unix time.
480 sub AddDay { return $_[0]->AddSeconds($DAY) }
482 =head2 Unix [unixtime]
484 Optionally takes a date in unix seconds since the epoch format.
485 Returns the number of seconds since the epoch
491 $self->{'time'} = int(shift || 0) if @_;
492 return $self->{'time'};
497 Alias for L</Get> method. Arguments C<Date> and <Time>
498 are fixed to true values, other arguments could be used
499 as described in L</Get>.
505 unless (defined $self) {
506 use Carp; Carp::confess("undefined $self");
508 return $self->Get( @_, Date => 1, Time => 1 );
513 Takes Format argument which allows you choose date formatter.
514 Pass throught other arguments to the formatter method.
516 Returns the object's formatted date. Default formatter is ISO.
522 return $self->Get( @_, Date => 1, Time => 0 );
532 return $self->Get( @_, Date => 0, Time => 1 );
537 Returnsa a formatted and localized string that represets time of
546 my %args = (Format => 'ISO', @_);
547 my $formatter = $args{'Format'};
548 $formatter = 'ISO' unless $self->can($formatter);
549 return $self->$formatter( %args );
552 =head2 Output formatters
554 Fomatter is a method that returns date and time in different configurable
557 Each method takes several arguments:
565 =item Timezone - Timezone context C<server>, C<user> or C<UTC>
569 Formatters may also add own arguments to the list, for example
570 in RFC2822 format day of time in output is optional so it
571 understand boolean argument C<DayOfTime>.
575 Returns an array of available formatters.
593 my %args = ( Date => 1,
600 # 0 1 2 3 4 5 6 7 8 9
601 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
602 $self->Localtime($args{'Timezone'});
603 $wday = $self->GetWeekday($wday);
604 $mon = $self->GetMonth($mon);
605 ($mday, $hour, $min, $sec) = map { sprintf "%02d", $_ } ($mday, $hour, $min, $sec);
607 if( $args{'Date'} && !$args{'Time'} ) {
608 return $self->loc('[_1] [_2] [_3] [_4]',
609 $wday,$mon,$mday,$year);
610 } elsif( !$args{'Date'} && $args{'Time'} ) {
611 if( $args{'Seconds'} ) {
612 return $self->loc('[_1]:[_2]:[_3]',
615 return $self->loc('[_1]:[_2]',
619 if( $args{'Seconds'} ) {
620 return $self->loc('[_1] [_2] [_3] [_4]:[_5]:[_6] [_7]',
621 $wday,$mon,$mday,$hour,$min,$sec,$year);
623 return $self->loc('[_1] [_2] [_3] [_4]:[_5] [_6]',
624 $wday,$mon,$mday,$hour,$min,$year);
629 =head3 LocalizedDateTime
631 Returns date and time as string, with user localization.
633 Supports arguments: C<DateFormat> and C<TimeFormat> which may contains date and
634 time format as specified in DateTime::Locale (default to full_date_format and
635 medium_time_format), C<AbbrDay> and C<AbbrMonth> which may be set to 0 if
636 you want full Day/Month names instead of abbreviated ones.
638 Require optionnal DateTime::Locale module.
642 sub LocalizedDateTime
645 my %args = ( Date => 1,
648 DateFormat => 'date_format_full',
649 TimeFormat => 'time_format_medium',
655 return $self->loc("DateTime module missing") unless ( eval 'use DateTime qw(); 1;' );
656 return $self->loc("DateTime::Locale module missing") unless ( eval 'use DateTime::Locale qw(); 1;' );
657 return $self->loc("DateTime doesn't support format_cldr, you must upgrade to use this feature")
658 unless can DateTime::('format_cldr');
661 my $date_format = $args{'DateFormat'};
662 my $time_format = $args{'TimeFormat'};
664 my $lang = $self->CurrentUser->UserObj->Lang;
666 require I18N::LangTags::Detect;
667 $lang = ( I18N::LangTags::Detect::detect(), 'en' )[0];
671 my $formatter = DateTime::Locale->load($lang);
672 return $self->loc("DateTime::Locale doesn't support date_format_full, you must upgrade to use this feature")
673 unless $formatter->can('date_format_full');
674 $date_format = $formatter->$date_format;
675 $time_format = $formatter->$time_format;
676 $date_format =~ s/EEEE/EEE/g if ( $args{'AbbrDay'} );
677 $date_format =~ s/MMMM/MMM/g if ( $args{'AbbrMonth'} );
679 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
680 $self->Localtime($args{'Timezone'});
682 my $tz = $self->Timezone($args{'Timezone'});
684 # FIXME : another way to call this module without conflict with local
686 my $dt = new DateTime::( locale => $lang,
697 if ( $args{'Date'} && !$args{'Time'} ) {
698 return $dt->format_cldr($date_format);
699 } elsif ( !$args{'Date'} && $args{'Time'} ) {
700 return $dt->format_cldr($time_format);
702 return $dt->format_cldr($date_format) . " " . $dt->format_cldr($time_format);
708 Returns the object's date in ISO format C<YYYY-MM-DD mm:hh:ss>.
709 ISO format is locale independant, but adding timezone offset info
710 is not implemented yet.
712 Supports arguments: C<Timezone>, C<Date>, C<Time> and C<Seconds>.
713 See </Output formatters> for description of arguments.
719 my %args = ( Date => 1,
725 # 0 1 2 3 4 5 6 7 8 9
726 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
727 $self->Localtime($args{'Timezone'});
729 #the month needs incrementing, as gmtime returns 0-11
733 $res .= sprintf("%04d-%02d-%02d", $year, $mon, $mday) if $args{'Date'};
734 $res .= sprintf(' %02d:%02d', $hour, $min) if $args{'Time'};
735 $res .= sprintf(':%02d', $sec, $min) if $args{'Time'} && $args{'Seconds'};
743 Returns the object's date and time in W3C date time format
744 (L<http://www.w3.org/TR/NOTE-datetime>).
746 Format is locale independand and is close enought to ISO, but
747 note that date part is B<not optional> and output string
748 has timezone offset mark in C<[+-]hh:mm> format.
750 Supports arguments: C<Timezone>, C<Time> and C<Seconds>.
751 See </Output formatters> for description of arguments.
764 # 0 1 2 3 4 5 6 7 8 9
765 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
766 $self->Localtime( $args{'Timezone'} );
768 #the month needs incrementing, as gmtime returns 0-11
772 $res .= sprintf("%04d-%02d-%02d", $year, $mon, $mday);
773 if ( $args{'Time'} ) {
774 $res .= sprintf('T%02d:%02d', $hour, $min);
775 $res .= sprintf(':%02d', $sec, $min) if $args{'Seconds'};
777 $res .= sprintf "%s%02d:%02d", $self->_SplitOffset( $offset );
787 =head3 RFC2822 (MIME)
789 Returns the object's date and time in RFC2822 format,
790 for example C<Sun, 06 Nov 1994 08:49:37 +0000>.
791 Format is locale independand as required by RFC. Time
792 part always has timezone offset in digits with sign prefix.
794 Supports arguments: C<Timezone>, C<Date>, C<Time>, C<DayOfWeek>
795 and C<Seconds>. See </Output formatters> for description of
802 my %args = ( Date => 1,
810 # 0 1 2 3 4 5 6 7 8 9
811 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
812 $self->Localtime($args{'Timezone'});
814 my ($date, $time) = ('','');
815 $date .= "$DAYS_OF_WEEK[$wday], " if $args{'DayOfWeek'} && $args{'Date'};
816 $date .= "$mday $MONTHS[$mon] $year" if $args{'Date'};
818 if ( $args{'Time'} ) {
819 $time .= sprintf("%02d:%02d", $hour, $min);
820 $time .= sprintf(":%02d", $sec) if $args{'Seconds'};
821 $time .= sprintf " %s%02d%02d", $self->_SplitOffset( $offset );
824 return join ' ', grep $_, ($date, $time);
827 =head3 RFC2616 (HTTP)
829 Returns the object's date and time in RFC2616 (HTTP/1.1) format,
830 for example C<Sun, 06 Nov 1994 08:49:37 GMT>. While the RFC describes
831 version 1.1 of HTTP, but the same form date can be used in version 1.0.
833 Format is fixed length, locale independand and always represented in GMT
834 what makes it quite useless for users, but any date in HTTP transfers
835 must be presented using this format.
837 HTTP-date = rfc1123 | ...
838 rfc1123 = wkday "," SP date SP time SP "GMT"
839 date = 2DIGIT SP month SP 4DIGIT
840 ; day month year (e.g., 02 Jun 1982)
841 time = 2DIGIT ":" 2DIGIT ":" 2DIGIT
842 ; 00:00:00 - 23:59:59
843 wkday = "Mon" | "Tue" | "Wed" | "Thu" | "Fri" | "Sat" | "Sun"
844 month = "Jan" | "Feb" | "Mar" | "Apr" | "May" | "Jun"
845 | "Jul" | "Aug" | "Sep" | "Oct" | "Nov" | "Dec"
847 Supports arguments: C<Date> and C<Time>, but you should use them only for
848 some personal reasons, RFC2616 doesn't define any optional parts.
849 See </Output formatters> for description of arguments.
855 my %args = ( Date => 1, Time => 1,
858 Seconds => 1, DayOfWeek => 1,
861 my $res = $self->RFC2822( @_ );
862 $res =~ s/\s*[+-]\d\d\d\d$/ GMT/ if $args{'Time'};
868 Returns the object's date and time in iCalendar format,
870 Supports arguments: C<Date> and C<Time>.
871 See </Output formatters> for description of arguments.
878 Date => 1, Time => 1,
881 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
882 $self->Localtime( 'utc' );
884 #the month needs incrementing, as gmtime returns 0-11
888 if ( $args{'Date'} && !$args{'Time'} ) {
889 $res = sprintf( '%04d%02d%02d', $year, $mon, $mday );
891 elsif ( !$args{'Date'} && $args{'Time'} ) {
892 $res = sprintf( 'T%02d%02d%02dZ', $hour, $min, $sec );
895 $res = sprintf( '%04d%02d%02dT%02d%02d%02dZ', $year, $mon, $mday, $hour, $min, $sec );
900 # it's been added by mistake in 3.8.0
901 sub iCalDate { return (shift)->iCal( Time => 0, @_ ) }
904 my ($self, $offset) = @_;
905 my $sign = $offset < 0? '-': '+';
906 $offset = int( (abs $offset) / 60 + 0.001 );
907 my $mins = $offset % 60;
908 my $hours = int( $offset/60 + 0.001 );
909 return $sign, $hours, $mins;
912 =head2 Timezones handling
914 =head3 Localtime $context [$time]
916 Takes one mandatory argument C<$context>, which determines whether
917 we want "user local", "system" or "UTC" time. Also, takes optional
918 argument unix C<$time>, default value is the current unix time.
920 Returns object's date and time in the format provided by perl's
921 builtin functions C<localtime> and C<gmtime> with two exceptions:
923 1) "Year" is a four-digit year, rather than "years since 1900"
925 2) The last element of the array returned is C<offset>, which
926 represents timezone offset against C<UTC> in seconds.
933 my $tz = $self->Timezone(shift);
935 my $unix = shift || $self->Unix;
936 $unix = 0 unless $unix >= 0;
940 @local = gmtime($unix);
943 local $ENV{'TZ'} = $tz;
944 ## Using POSIX::tzset fixes a bug where the TZ environment variable
947 @local = localtime($unix);
949 POSIX::tzset(); # return back previouse value
951 $local[5] += 1900; # change year to 4+ digits format
952 my $offset = Time::Local::timegm_nocheck(@local) - $unix;
953 return @local, $offset;
956 =head3 Timelocal $context @time
958 Takes argument C<$context>, which determines whether we should
959 treat C<@time> as "user local", "system" or "UTC" time.
961 C<@time> is array returned by L<Localtime> functions. Only first
962 six elements are mandatory - $sec, $min, $hour, $mday, $mon and $year.
963 You may pass $wday, $yday and $isdst, these are ignored.
965 If you pass C<$offset> as ninth argument, it's used instead of
966 C<$context>. It's done such way as code
967 C<$self->Timelocal('utc', $self->Localtime('server'))> doesn't
968 makes much sense and most probably would produce unexpected
969 result, so the method ignore 'utc' context and uses offset
970 returned by L<Localtime> method.
977 if ( defined $_[9] ) {
978 return timegm(@_[0..5]) - $_[9];
980 $tz = $self->Timezone( $tz );
981 if ( $tz eq 'UTC' ) {
982 return Time::Local::timegm(@_[0..5]);
986 local $ENV{'TZ'} = $tz;
987 ## Using POSIX::tzset fixes a bug where the TZ environment variable
990 $rv = Time::Local::timelocal(@_[0..5]);
992 POSIX::tzset(); # switch back to previouse value
999 =head3 Timezone $context
1001 Returns the timezone name.
1003 Takes one argument, C<$context> argument which could be C<user>, C<server> or C<utc>.
1009 Default value is C<user> that mean it returns current user's Timezone value.
1013 If context is C<server> it returns value of the C<Timezone> RT config option.
1017 If both server's and user's timezone names are undefined returns 'UTC'.
1025 my $context = lc(shift);
1027 $context = 'utc' unless $context =~ /^(?:utc|server|user)$/i;
1030 if( $context eq 'user' ) {
1031 $tz = $self->CurrentUser->UserObj->Timezone;
1032 } elsif( $context eq 'server') {
1033 $tz = RT->Config->Get('Timezone');
1037 $tz ||= RT->Config->Get('Timezone') || 'UTC';
1038 $tz = 'UTC' if lc $tz eq 'gmt';
1043 eval "require RT::Date_Vendor";
1044 die $@ if ($@ && $@ !~ qr{^Can't locate RT/Date_Vendor.pm});
1045 eval "require RT::Date_Local";
1046 die $@ if ($@ && $@ !~ qr{^Can't locate RT/Date_Local.pm});