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package Reaction::UI::ViewPort::Field::TimeRange;
use Reaction::Class;
use Reaction::Types::DateTime;
use DateTime;
use DateTime::SpanSet;
use Time::ParseDate ();
use namespace::clean -except => [ qw(meta) ];
extends 'Reaction::UI::ViewPort::InterfaceModel::Field';
has '+value' => (isa => 'DateTime::SpanSet');
#has '+layout' => (default => 'timerange');
has value_string =>
(isa => 'Str', is => 'rw', lazy_fail => 1, trigger_adopt('value_string'));
has delete_label => (
isa => 'Str', is => 'rw', required => 1, default => sub { 'Delete' },
);
has parent => (
isa => 'Reaction::UI::ViewPort::TimeRangeCollection',
is => 'ro',
required => 1,
is_weak_ref => 1
);
sub _build_value_string {
my $self = shift;
#return '' unless $self->has_value;
#return $self->value_string;
};
sub value_array {
my $self = shift;
return split(',', $self->value_string);
};
sub adopt_value_string {
my ($self) = @_;
my @values = $self->value_array;
for my $idx (0 .. 3) { # last value is repeat
if (length $values[$idx]) {
my ($epoch) = Time::ParseDate::parsedate($values[$idx], UK => 1);
$values[$idx] = DateTime->from_epoch( epoch => $epoch );
}
}
$self->value($self->range_to_spanset(@values));
};
sub range_to_spanset {
my ($self, $time_from, $time_to, $repeat_from, $repeat_to, $pattern) = @_;
my $spanset = DateTime::SpanSet->empty_set;
if (!$pattern || $pattern eq 'none') {
my $span = DateTime::Span->from_datetimes(
start => $time_from, end => $time_to
);
$spanset = $spanset->union( $span );
} else {
my $duration = $time_to - $time_from;
my %args = ( days => $time_from->day + 2,
hours => $time_from->hour,
minutes => $time_from->minute,
seconds => $time_from->second );
delete $args{'days'} if ($pattern eq 'daily');
delete @args{qw/hours days/} if ($pattern eq 'hourly');
$args{'days'} = $time_from->day if ($pattern eq 'monthly');
my $start_set = DateTime::Event::Recurrence->$pattern( %args );
my $iter = $start_set->iterator( start => $repeat_from, end => $repeat_to );
while ( my $dt = $iter->next ) {
my $endtime = $dt + $duration;
my $new_span = DateTime::Span->from_datetimes(
start => $dt,
end => $endtime
);
$spanset = $spanset->union( $new_span );
}
}
return $spanset;
};
sub delete {
my ($self) = @_;
$self->parent->remove_range_vp($self);
};
override accept_events => sub { ('value_string', 'delete', super()) };
__PACKAGE__->meta->make_immutable;
1;
=head1 NAME
Reaction::UI::ViewPort::Field::TimeRange
=head1 SYNOPSIS
=head1 DESCRIPTION
=head1 METHODS
=head2 value
Accessor for a L<DateTime::SpanSet> object.
=head2 value_string
Returns: Encoded range string representing the value.
=head2 value_array
Returns: Arrayref of the elements of C<value_string>.
=head2 parent
L<Reaction::UI::ViewPort::TimeRangeCollection> object.
=head2 range_to_spanset
Arguments: $self, $time_from, $time_to, $repeat_from, $repeat_to, $pattern
where $time_from, $time_to, $repeat_from, $repeat_to are L<DateTime>
objects, and $pattern is a L<DateTime::Event::Recurrence> method name
Returns: $spanset
=head2 delete
Removes TimeRange from C<parent> collection.
=head2 delete_label
Label for the delete option. Default: 'Delete'.
=head1 SEE ALSO
=head2 L<Reaction::UI::ViewPort::Field>
=head2 L<Reaction::UI::ViewPort::TimeRangeCollection>
=head1 AUTHORS
See L<Reaction::Class> for authors.
=head1 LICENSE
See L<Reaction::Class> for the license.
=cut
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