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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.
75 use base qw/RT::Base/;
81 use vars qw($MINUTE $HOUR $DAY $WEEK $MONTH $YEAR);
87 $MONTH = 30.4375 * $DAY;
88 $YEAR = 365.25 * $DAY;
105 our @DAYS_OF_WEEK = (
116 'DefaultFormat', # loc
122 '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'} && $args{'Value'} =~ /\S/;
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 );
276 =head2 SetToStart PERIOD[, Timezone => 'utc' ]
278 Set to the beginning of the current PERIOD, which can be
279 "year", "month", "day", "hour", or "minute".
287 my $tz = $args{'Timezone'} || '';
288 my @localtime = $self->Localtime($tz);
289 #remove 'offset' so that DST is figured based on the resulting time.
292 # This is the cleanest way to implement it, I swear.
295 last if ($p eq 'MINUTE');
297 last if ($p eq 'HOUR');
299 last if ($p eq 'DAY');
301 last if ($p eq 'MONTH');
303 last if ($p eq 'YEAR');
304 $RT::Logger->warning("Couldn't find start date of '$p'.");
307 my $new = $self->Timelocal($tz, @localtime);
308 return $self->Unix($new);
313 Takes either an C<RT::Date> object or the date in unixtime format as a string,
314 if nothing is specified uses the current time.
316 Returns the differnce between the time in the current object and that time
317 as a number of seconds. Returns C<undef> if any of two compared values is
318 incorrect or not set.
325 $other = time unless defined $other;
326 if ( UNIVERSAL::isa( $other, 'RT::Date' ) ) {
327 $other = $other->Unix;
329 return undef unless $other=~ /^\d+$/ && $other > 0;
331 my $unix = $self->Unix;
332 return undef unless $unix > 0;
334 return $unix - $other;
339 Takes either an C<RT::Date> object or the date in unixtime format as a string,
340 if nothing is specified uses the current time.
342 Returns the differnce between C<$self> and that time as a number of seconds as
343 a localized string fit for human consumption. Returns empty string if any of
344 two compared values is incorrect or not set.
350 my $diff = $self->Diff( @_ );
351 return '' unless defined $diff;
353 return $self->DurationAsString( $diff );
356 =head2 DurationAsString
358 Takes a number of seconds. Returns a localized string describing
363 sub DurationAsString {
365 my $duration = int shift;
367 my ( $negative, $s, $time_unit );
368 $negative = 1 if $duration < 0;
369 $duration = abs $duration;
371 if ( $duration < $MINUTE ) {
373 $time_unit = $self->loc("sec");
375 elsif ( $duration < ( 2 * $HOUR ) ) {
376 $s = int( $duration / $MINUTE + 0.5 );
377 $time_unit = $self->loc("min");
379 elsif ( $duration < ( 2 * $DAY ) ) {
380 $s = int( $duration / $HOUR + 0.5 );
381 $time_unit = $self->loc("hours");
383 elsif ( $duration < ( 2 * $WEEK ) ) {
384 $s = int( $duration / $DAY + 0.5 );
385 $time_unit = $self->loc("days");
387 elsif ( $duration < ( 2 * $MONTH ) ) {
388 $s = int( $duration / $WEEK + 0.5 );
389 $time_unit = $self->loc("weeks");
391 elsif ( $duration < $YEAR ) {
392 $s = int( $duration / $MONTH + 0.5 );
393 $time_unit = $self->loc("months");
396 $s = int( $duration / $YEAR + 0.5 );
397 $time_unit = $self->loc("years");
401 return $self->loc( "[_1] [_2] ago", $s, $time_unit );
404 return $self->loc( "[_1] [_2]", $s, $time_unit );
410 Takes nothing. Returns a string that's the differnce between the
411 time in the object and now.
415 sub AgeAsString { return $_[0]->DiffAsString }
421 Returns the object's time as a localized string with curent user's prefered
424 If the current user didn't choose prefered format then system wide setting is
425 used or L</DefaultFormat> if the latter is not specified. See config option
434 return $self->loc("Not set") unless $self->Unix > 0;
436 my $format = RT->Config->Get( 'DateTimeFormat', $self->CurrentUser ) || 'DefaultFormat';
437 $format = { Format => $format } unless ref $format;
438 %args = (%$format, %args);
440 return $self->Get( Timezone => 'user', %args );
443 =head2 GetWeekday DAY
445 Takes an integer day of week and returns a localized string for
446 that day of week. Valid values are from range 0-6, Note that B<0
455 return $self->loc($DAYS_OF_WEEK[$dow])
456 if $DAYS_OF_WEEK[$dow];
460 =head2 GetMonth MONTH
462 Takes an integer month and returns a localized string for that month.
463 Valid values are from from range 0-11.
471 return $self->loc($MONTHS[$mon])
476 =head2 AddSeconds SECONDS
478 Takes a number of seconds and returns the new unix time.
480 Negative value can be used to substract seconds.
486 my $delta = shift or return $self->Unix;
488 $self->Set(Format => 'unix', Value => ($self->Unix + $delta));
490 return ($self->Unix);
493 =head2 AddDays [DAYS]
495 Adds C<24 hours * DAYS> to the current time. Adds one day when
496 no argument is specified. Negative value can be used to substract
499 Returns new unix time.
505 my $days = shift || 1;
506 return $self->AddSeconds( $days * $DAY );
511 Adds 24 hours to the current time. Returns new unix time.
515 sub AddDay { return $_[0]->AddSeconds($DAY) }
519 Adds one month to the current time. Returns new
527 my @localtime = $self->Localtime($args{'Timezone'});
528 # remove offset, as with SetToStart
531 $localtime[4]++; #month
532 if ( $localtime[4] == 12 ) {
534 $localtime[5]++; #year
537 my $new = $self->Timelocal($args{'Timezone'}, @localtime);
538 return $self->Unix($new);
541 =head2 Unix [unixtime]
543 Optionally takes a date in unix seconds since the epoch format.
544 Returns the number of seconds since the epoch
550 $self->{'time'} = int(shift || 0) if @_;
551 return $self->{'time'};
556 Alias for L</Get> method. Arguments C<Date> and <Time>
557 are fixed to true values, other arguments could be used
558 as described in L</Get>.
564 unless (defined $self) {
565 use Carp; Carp::confess("undefined $self");
567 return $self->Get( @_, Date => 1, Time => 1 );
572 Takes Format argument which allows you choose date formatter.
573 Pass throught other arguments to the formatter method.
575 Returns the object's formatted date. Default formatter is ISO.
581 return $self->Get( @_, Date => 1, Time => 0 );
591 return $self->Get( @_, Date => 0, Time => 1 );
596 Returnsa a formatted and localized string that represets time of
605 my %args = (Format => 'ISO', @_);
606 my $formatter = $args{'Format'};
607 $formatter = 'ISO' unless $self->can($formatter);
608 return $self->$formatter( %args );
611 =head2 Output formatters
613 Fomatter is a method that returns date and time in different configurable
616 Each method takes several arguments:
624 =item Timezone - Timezone context C<server>, C<user> or C<UTC>
628 Formatters may also add own arguments to the list, for example
629 in RFC2822 format day of time in output is optional so it
630 understand boolean argument C<DayOfTime>.
634 Returns an array of available formatters.
652 my %args = ( Date => 1,
659 # 0 1 2 3 4 5 6 7 8 9
660 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
661 $self->Localtime($args{'Timezone'});
662 $wday = $self->GetWeekday($wday);
663 $mon = $self->GetMonth($mon);
664 ($mday, $hour, $min, $sec) = map { sprintf "%02d", $_ } ($mday, $hour, $min, $sec);
666 if( $args{'Date'} && !$args{'Time'} ) {
667 return $self->loc('[_1] [_2] [_3] [_4]',
668 $wday,$mon,$mday,$year);
669 } elsif( !$args{'Date'} && $args{'Time'} ) {
670 if( $args{'Seconds'} ) {
671 return $self->loc('[_1]:[_2]:[_3]',
674 return $self->loc('[_1]:[_2]',
678 if( $args{'Seconds'} ) {
679 return $self->loc('[_1] [_2] [_3] [_4]:[_5]:[_6] [_7]',
680 $wday,$mon,$mday,$hour,$min,$sec,$year);
682 return $self->loc('[_1] [_2] [_3] [_4]:[_5] [_6]',
683 $wday,$mon,$mday,$hour,$min,$year);
690 Returns the L<DateTime::Locale> object representing the current user's locale.
697 my $lang = $self->CurrentUser->UserObj->Lang;
699 require I18N::LangTags::Detect;
700 $lang = ( I18N::LangTags::Detect::detect(), 'en' )[0];
703 return DateTime::Locale->load($lang);
706 =head3 LocalizedDateTime
708 Returns date and time as string, with user localization.
710 Supports arguments: C<DateFormat> and C<TimeFormat> which may contains date and
711 time format as specified in L<DateTime::Locale> (default to full_date_format and
712 medium_time_format), C<AbbrDay> and C<AbbrMonth> which may be set to 0 if
713 you want full Day/Month names instead of abbreviated ones.
717 sub LocalizedDateTime
720 my %args = ( Date => 1,
723 DateFormat => 'date_format_full',
724 TimeFormat => 'time_format_medium',
730 my $date_format = $args{'DateFormat'};
731 my $time_format = $args{'TimeFormat'};
733 my $formatter = $self->LocaleObj;
734 $date_format = $formatter->$date_format;
735 $time_format = $formatter->$time_format;
736 $date_format =~ s/EEEE/EEE/g if ( $args{'AbbrDay'} );
737 $date_format =~ s/MMMM/MMM/g if ( $args{'AbbrMonth'} );
739 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
740 $self->Localtime($args{'Timezone'});
742 my $tz = $self->Timezone($args{'Timezone'});
744 # FIXME : another way to call this module without conflict with local
746 my $dt = DateTime::->new( locale => $formatter,
757 if ( $args{'Date'} && !$args{'Time'} ) {
758 return $dt->format_cldr($date_format);
759 } elsif ( !$args{'Date'} && $args{'Time'} ) {
760 return $dt->format_cldr($time_format);
762 return $dt->format_cldr($date_format) . " " . $dt->format_cldr($time_format);
768 Returns the object's date in ISO format C<YYYY-MM-DD mm:hh:ss>.
769 ISO format is locale independant, but adding timezone offset info
770 is not implemented yet.
772 Supports arguments: C<Timezone>, C<Date>, C<Time> and C<Seconds>.
773 See </Output formatters> for description of arguments.
779 my %args = ( Date => 1,
785 # 0 1 2 3 4 5 6 7 8 9
786 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
787 $self->Localtime($args{'Timezone'});
789 #the month needs incrementing, as gmtime returns 0-11
793 $res .= sprintf("%04d-%02d-%02d", $year, $mon, $mday) if $args{'Date'};
794 $res .= sprintf(' %02d:%02d', $hour, $min) if $args{'Time'};
795 $res .= sprintf(':%02d', $sec, $min) if $args{'Time'} && $args{'Seconds'};
803 Returns the object's date and time in W3C date time format
804 (L<http://www.w3.org/TR/NOTE-datetime>).
806 Format is locale independand and is close enought to ISO, but
807 note that date part is B<not optional> and output string
808 has timezone offset mark in C<[+-]hh:mm> format.
810 Supports arguments: C<Timezone>, C<Time> and C<Seconds>.
811 See </Output formatters> for description of arguments.
824 # 0 1 2 3 4 5 6 7 8 9
825 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
826 $self->Localtime( $args{'Timezone'} );
828 #the month needs incrementing, as gmtime returns 0-11
832 $res .= sprintf("%04d-%02d-%02d", $year, $mon, $mday);
833 if ( $args{'Time'} ) {
834 $res .= sprintf('T%02d:%02d', $hour, $min);
835 $res .= sprintf(':%02d', $sec, $min) if $args{'Seconds'};
837 $res .= sprintf "%s%02d:%02d", $self->_SplitOffset( $offset );
847 =head3 RFC2822 (MIME)
849 Returns the object's date and time in RFC2822 format,
850 for example C<Sun, 06 Nov 1994 08:49:37 +0000>.
851 Format is locale independand as required by RFC. Time
852 part always has timezone offset in digits with sign prefix.
854 Supports arguments: C<Timezone>, C<Date>, C<Time>, C<DayOfWeek>
855 and C<Seconds>. See </Output formatters> for description of
862 my %args = ( Date => 1,
870 # 0 1 2 3 4 5 6 7 8 9
871 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
872 $self->Localtime($args{'Timezone'});
874 my ($date, $time) = ('','');
875 $date .= "$DAYS_OF_WEEK[$wday], " if $args{'DayOfWeek'} && $args{'Date'};
876 $date .= "$mday $MONTHS[$mon] $year" if $args{'Date'};
878 if ( $args{'Time'} ) {
879 $time .= sprintf("%02d:%02d", $hour, $min);
880 $time .= sprintf(":%02d", $sec) if $args{'Seconds'};
881 $time .= sprintf " %s%02d%02d", $self->_SplitOffset( $offset );
884 return join ' ', grep $_, ($date, $time);
887 =head3 RFC2616 (HTTP)
889 Returns the object's date and time in RFC2616 (HTTP/1.1) format,
890 for example C<Sun, 06 Nov 1994 08:49:37 GMT>. While the RFC describes
891 version 1.1 of HTTP, but the same form date can be used in version 1.0.
893 Format is fixed length, locale independand and always represented in GMT
894 what makes it quite useless for users, but any date in HTTP transfers
895 must be presented using this format.
897 HTTP-date = rfc1123 | ...
898 rfc1123 = wkday "," SP date SP time SP "GMT"
899 date = 2DIGIT SP month SP 4DIGIT
900 ; day month year (e.g., 02 Jun 1982)
901 time = 2DIGIT ":" 2DIGIT ":" 2DIGIT
902 ; 00:00:00 - 23:59:59
903 wkday = "Mon" | "Tue" | "Wed" | "Thu" | "Fri" | "Sat" | "Sun"
904 month = "Jan" | "Feb" | "Mar" | "Apr" | "May" | "Jun"
905 | "Jul" | "Aug" | "Sep" | "Oct" | "Nov" | "Dec"
907 Supports arguments: C<Date> and C<Time>, but you should use them only for
908 some personal reasons, RFC2616 doesn't define any optional parts.
909 See </Output formatters> for description of arguments.
915 my %args = ( Date => 1, Time => 1,
918 Seconds => 1, DayOfWeek => 1,
921 my $res = $self->RFC2822( %args );
922 $res =~ s/\s*[+-]\d\d\d\d$/ GMT/ if $args{'Time'};
928 Returns the object's date and time in iCalendar format,
930 Supports arguments: C<Date> and C<Time>.
931 See </Output formatters> for description of arguments.
938 Date => 1, Time => 1,
941 my ($sec,$min,$hour,$mday,$mon,$year,$wday,$ydaym,$isdst,$offset) =
942 $self->Localtime( 'utc' );
944 #the month needs incrementing, as gmtime returns 0-11
948 if ( $args{'Date'} && !$args{'Time'} ) {
949 $res = sprintf( '%04d%02d%02d', $year, $mon, $mday );
951 elsif ( !$args{'Date'} && $args{'Time'} ) {
952 $res = sprintf( 'T%02d%02d%02dZ', $hour, $min, $sec );
955 $res = sprintf( '%04d%02d%02dT%02d%02d%02dZ', $year, $mon, $mday, $hour, $min, $sec );
960 # it's been added by mistake in 3.8.0
961 sub iCalDate { return (shift)->iCal( Time => 0, @_ ) }
964 my ($self, $offset) = @_;
965 my $sign = $offset < 0? '-': '+';
966 $offset = int( (abs $offset) / 60 + 0.001 );
967 my $mins = $offset % 60;
968 my $hours = int( $offset/60 + 0.001 );
969 return $sign, $hours, $mins;
972 =head2 Timezones handling
974 =head3 Localtime $context [$time]
976 Takes one mandatory argument C<$context>, which determines whether
977 we want "user local", "system" or "UTC" time. Also, takes optional
978 argument unix C<$time>, default value is the current unix time.
980 Returns object's date and time in the format provided by perl's
981 builtin functions C<localtime> and C<gmtime> with two exceptions:
983 1) "Year" is a four-digit year, rather than "years since 1900"
985 2) The last element of the array returned is C<offset>, which
986 represents timezone offset against C<UTC> in seconds.
993 my $tz = $self->Timezone(shift);
995 my $unix = shift || $self->Unix;
996 $unix = 0 unless $unix >= 0;
1000 @local = gmtime($unix);
1003 local $ENV{'TZ'} = $tz;
1004 ## Using POSIX::tzset fixes a bug where the TZ environment variable
1007 @local = localtime($unix);
1009 POSIX::tzset(); # return back previouse value
1011 $local[5] += 1900; # change year to 4+ digits format
1012 my $offset = Time::Local::timegm_nocheck(@local) - $unix;
1013 return @local, $offset;
1016 =head3 Timelocal $context @time
1018 Takes argument C<$context>, which determines whether we should
1019 treat C<@time> as "user local", "system" or "UTC" time.
1021 C<@time> is array returned by L<Localtime> functions. Only first
1022 six elements are mandatory - $sec, $min, $hour, $mday, $mon and $year.
1023 You may pass $wday, $yday and $isdst, these are ignored.
1025 If you pass C<$offset> as ninth argument, it's used instead of
1026 C<$context>. It's done such way as code
1027 C<$self->Timelocal('utc', $self->Localtime('server'))> doesn't
1028 makes much sense and most probably would produce unexpected
1029 result, so the method ignore 'utc' context and uses offset
1030 returned by L<Localtime> method.
1037 if ( defined $_[9] ) {
1038 return timegm(@_[0..5]) - $_[9];
1040 $tz = $self->Timezone( $tz );
1041 if ( $tz eq 'UTC' ) {
1042 return Time::Local::timegm(@_[0..5]);
1046 local $ENV{'TZ'} = $tz;
1047 ## Using POSIX::tzset fixes a bug where the TZ environment variable
1050 $rv = Time::Local::timelocal(@_[0..5]);
1052 POSIX::tzset(); # switch back to previouse value
1059 =head3 Timezone $context
1061 Returns the timezone name.
1063 Takes one argument, C<$context> argument which could be C<user>, C<server> or C<utc>.
1069 Default value is C<user> that mean it returns current user's Timezone value.
1073 If context is C<server> it returns value of the C<Timezone> RT config option.
1077 If both server's and user's timezone names are undefined returns 'UTC'.
1087 Carp::carp "RT::Date->Timezone is a setter only";
1091 my $context = lc(shift);
1093 $context = 'utc' unless $context =~ /^(?:utc|server|user)$/i;
1096 if( $context eq 'user' ) {
1097 $tz = $self->CurrentUser->UserObj->Timezone;
1098 } elsif( $context eq 'server') {
1099 $tz = RT->Config->Get('Timezone');
1103 $tz ||= RT->Config->Get('Timezone') || 'UTC';
1104 $tz = 'UTC' if lc $tz eq 'gmt';
1109 RT::Base->_ImportOverlays();