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package FixMyStreet::WorkingDays;
use Moo;
=head1 FixMyStreet::WorkingDays
Given a list of public holiday dates, creates an object that can be used to
add/subtract days from a date, only counting working days (excluding public
holidays and weekends).
=over
=cut
has public_holidays => (
is => 'ro',
coerce => sub {
return { map { $_ => 1 } @{$_[0]} };
},
);
=item add_days
Given a DateTime object and a number of days, returns a new DateTime object
that many working days (excluding public holidays and weekends) later.
=cut
sub add_days {
my ( $self, $dt, $days, $subtract ) = @_;
$dt = $dt->clone;
while ( $days > 0 ) {
$dt->add ( days => $subtract ? -1 : 1 );
next if $self->is_public_holiday($dt);
next if $self->is_weekend($dt);
$days--;
}
return $dt;
}
=item sub_days
Given a DateTime object and a number of days, returns a new DateTime object
that many working days (excluding public holidays and weekends) earlier.
=cut
sub sub_days {
my $self = shift;
return $self->add_days(@_, 1);
}
=item is_public_holiday
Given a DateTime object, return true if it is a public holiday.
=cut
sub is_public_holiday {
my ($self, $dt) = @_;
return $self->public_holidays->{$dt->ymd};
}
=item is_weekend
Given a DateTime object, return true if it is a weekend.
=cut
sub is_weekend {
my ($self, $dt) = @_;
return $dt->dow > 5;
}
1;
=back
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