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package HTML::FormFu::Inflator::CompoundDateTime;
use Moose;
use MooseX::Attribute::Chained;
extends 'HTML::FormFu::Inflator';
use HTML::FormFu::Constants qw( $EMPTY_STR );
use DateTime;
use DateTime::Format::Strptime;
use List::MoreUtils qw( none );
use Scalar::Util qw( reftype );
use Carp qw( croak );
has strptime => ( is => 'rw', traits => ['Chained'] );
has field_order => ( is => 'rw', traits => ['Chained'] );
my @known_fields = qw( year month day hour minute second nanosecond time_zone );
sub inflator {
my ( $self, $value ) = @_;
return if !defined $value || $value eq $EMPTY_STR;
my ( $multi, @fields ) = @{ $self->parent->get_fields };
my %input;
if ( defined( my $order = $self->field_order ) ) {
for my $order (@$order) {
croak "unknown DateTime field_order name"
if none { $order eq $_ } @known_fields;
my $field = shift @fields;
my $name = $field->name;
$input{$order} = $value->{$name};
}
}
else {
for my $name ( keys %$value ) {
croak "unknown DateTime field name"
if none { $name eq $_ } @known_fields;
}
%input = %$value;
}
my $dt;
eval { $dt = DateTime->new(%input) };
return $value if $@;
if ( defined $self->strptime ) {
my $strptime = $self->strptime;
my %args;
if ( ( reftype( $strptime ) || '' ) eq 'HASH' ) {
%args = %$strptime;
}
else {
%args = ( pattern => $strptime );
}
my $formatter = DateTime::Format::Strptime->new(%args);
$dt->set_formatter($formatter);
}
return $dt;
}
__PACKAGE__->meta->make_immutable;
1;
__END__
=head1 NAME
HTML::FormFu::Inflator::CompoundDateTime - CompoundDateTime inflator
=head1 SYNOPSIS
---
element:
- type: Multi
name: date
elements:
- name: day
- name: month
- name: year
inflator:
- type: CompoundDateTime
# get the submitted value as a DateTime object
my $date = $form->param_value('date');
=head1 DESCRIPTION
For use with a L<HTML::FormFu::Element::Multi> group of fields.
Changes the input from several fields into a single L<DateTime> value.
By default, expects the field names to be any of the following:
=over
=item year
=item month
=item day
=item hour
=item minute
=item second
=item nanosecond
=item time_zone
=back
=head1 METHODS
=head2 field_order
Arguments: \@order
If your field names doesn't follow the convention listed above, you must
provide an arrayref containing the above names, in the order they correspond
with your own fields.
---
element:
- type: Multi
name: date
elements:
- name: m
- name: d
- name: y
inflator:
- type: CompoundDateTime
field_order:
- month
- day
- year
=head2 strptime
Arguments: \%args
Arguments: $string
Optional. Define the format that should be used if the L<DateTime> object is
stringified.
Accepts a hashref of arguments to be passed to
L<DateTime::Format::Strptime/new>. Alternatively, accepts a single string
argument, suitable for passing to
C<< DateTime::Format::Strptime->new( pattern => $string ) >>.
---
inflator:
- type: CompoundDateTime
strptime:
pattern: '%d-%b-%Y'
locale: de
---
inflator:
- type: CompoundDateTime
strptime: '%d-%m-%Y'
=head1 AUTHOR
Carl Franks
=head1 LICENSE
This library is free software, you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
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