package Data::Sah::Util::Type::Date;
our $DATE = '2016-03-16'; # DATE
our $VERSION = '0.75'; # VERSION
use 5.010;
use strict;
use warnings;
#use Log::Any '$log';
use Scalar::Util qw(blessed looks_like_number);
require Exporter;
our @ISA = qw(Exporter);
our @EXPORT_OK = qw(
coerce_date
coerce_duration
);
our $DATE_MODULE = $ENV{DATA_SAH_DATE_MODULE} // $ENV{PERL_DATE_MODULE} //
"DateTime"; # XXX change defaults to Time::Piece (core)
my $re_ymd = qr/\A([0-9]{4})-([0-9]{2})-([0-9]{2})\z/;
my $re_ymdThmsZ = qr/\A([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})Z\z/;
sub coerce_date {
my $val = shift;
if (!defined($val)) {
return undef;
}
if ($DATE_MODULE eq 'DateTime') {
require DateTime;
if (blessed($val) && $val->isa('DateTime')) {
return $val;
} elsif (looks_like_number($val) && $val >= 10**8 && $val <= 2**31) {
return DateTime->from_epoch(epoch => $val);
} elsif ($val =~ $re_ymd) {
my $d;
eval { $d = DateTime->new(year=>$1, month=>$2, day=>$3, time_zone=>'UTC') };
return undef if $@;
return $d;
} elsif ($val =~ $re_ymdThmsZ) {
my $d;
eval { $d = DateTime->new(year=>$1, month=>$2, day=>$3, hour=>$4, minute=>$5, second=>$6, time_zone=>'UTC') };
return undef if $@;
return $d;
} elsif (blessed($val) && $val->isa('Time::Moment')) {
return DateTime->from_epoch(epoch => $val->epoch);
} elsif (blessed($val) && $val->isa('Time::Piece')) {
return DateTime->from_epoch(epoch => $val->epoch);
} else {
return undef;
}
} elsif ($DATE_MODULE eq 'Time::Moment') {
require Time::Moment;
if (blessed($val) && $val->isa('Time::Moment')) {
return $val;
} elsif (looks_like_number($val) && $val >= 10**8 && $val <= 2**31) {
return Time::Moment->from_epoch(int($val), $val-int($val));
} elsif ($val =~ $re_ymd) {
my $d;
eval { $d = Time::Moment->new(year=>$1, month=>$2, day=>$3) };
return undef if $@;
return $d;
} elsif ($val =~ $re_ymdThmsZ) {
my $d;
eval { $d = Time::Moment->new(year=>$1, month=>$2, day=>$3, hour=>$4, minute=>$5, second=>$6) };
return undef if $@;
return $d;
} elsif (blessed($val) && $val->isa('DateTime')) {
return Time::Moment->from_epoch($val->epoch);
} elsif (blessed($val) && $val->isa('Time::Piece')) {
return Time::Moment->from_epoch($val->epoch);
} else {
return undef;
}
} elsif ($DATE_MODULE eq 'Time::Piece') {
require Time::Piece;
if (blessed($val) && $val->isa('Time::Piece')) {
return $val;
} elsif (looks_like_number($val) && $val >= 10**8 && $val <= 2**31) {
return scalar Time::Piece->gmtime($val);
} elsif ($val =~ $re_ymd) {
my $d;
eval { $d = Time::Piece->strptime($val, "%Y-%m-%d") };
return undef if $@;
return $d;
} elsif ($val =~ $re_ymdThmsZ) {
my $d;
eval { $d = Time::Piece->strptime($val, "%Y-%m-%dT%H:%M:%SZ") };
return undef if $@;
return $d;
} elsif (blessed($val) && $val->isa('DateTime')) {
return scalar Time::Piece->gmtime(epoch => $val->epoch);
} elsif (blessed($val) && $val->isa('Time::Moment')) {
return scalar Time::Piece->gmtime(epoch => $val->epoch);
} else {
return undef;
}
} else {
die "BUG: Unknown Perl date module '$DATE_MODULE'";
}
}
sub coerce_duration {
my $val = shift;
if (!defined($val)) {
return undef;
} elsif (blessed($val) && $val->isa('DateTime::Duration')) {
return $val;
} elsif ($val =~ /\AP
(?: ([0-9]+(?:\.[0-9]+)?)Y )?
(?: ([0-9]+(?:\.[0-9]+)?)M )?
(?: ([0-9]+(?:\.[0-9]+)?)W )?
(?: ([0-9]+(?:\.[0-9]+)?)D )?
(?:
T
(?: ([0-9]+(?:\.[0-9]+)?)H )?
(?: ([0-9]+(?:\.[0-9]+)?)M )?
(?: ([0-9]+(?:\.[0-9]+)?)S )?
)?
\z/x) {
require DateTime::Duration;
my $d;
eval {
$d = DateTime::Duration->new(
years => $1 // 0,
months => $2 // 0,
weeks => $3 // 0,
days => $4 // 0,
hours => $5 // 0,
minutes => $6 // 0,
seconds => $7 // 0,
);
};
return undef if $@;
return $d;
} else {
return undef;
}
}
1;
# ABSTRACT: Utility related to date/duration type
__END__
=pod
=encoding UTF-8
=head1 NAME
Data::Sah::Util::Type::Date - Utility related to date/duration type
=head1 VERSION
This document describes version 0.75 of Data::Sah::Util::Type::Date (from Perl distribution Data-Sah), released on 2016-03-16.
=head1 DESCRIPTION
=head1 FUNCTIONS
=head2 coerce_date($val) => DATETIME OBJ|undef
Coerce value to DateTime object according to perl Sah compiler (see
L<Data::Sah::Compiler::perl::TH::date>). Return undef if value is not
acceptable.
=head2 coerce_duration($val) => DATETIME_DURATION OBJ|undef
Coerce value to DateTime::Duration object according to perl Sah compiler (see
L<Data::Sah::Compiler::perl::TH::duration>). Return undef if value is not
acceptable.
=head1 ENVIRONMENT
=head2 DATA_SAH_DATE_MODULE => string (default: DateTime)
Pick the date module to use. Available choices: DateTime, Time::Moment.
=head2 PERL_DATE_MODULE => string (default: DateTime)
Pick the date module to use. Available choices: DateTime, Time::Moment. Has
lower priority compared to DATA_SAH_DATE_MODULE.
=head1 HOMEPAGE
Please visit the project's homepage at L<https://metacpan.org/release/Data-Sah>.
=head1 SOURCE
Source repository is at L<https://github.com/sharyanto/perl-Data-Sah>.
=head1 BUGS
Please report any bugs or feature requests on the bugtracker website L<https://rt.cpan.org/Public/Dist/Display.html?Name=Data-Sah>
When submitting a bug or request, please include a test-file or a
patch to an existing test-file that illustrates the bug or desired
feature.
=head1 AUTHOR
perlancar <perlancar@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2016 by perlancar@cpan.org.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut