package Web::Dispatch::Wrapper;
use strictures 1;
use Moo;
use Exporter 'import';
our @EXPORT = qw(dispatch_wrapper redispatch_to response_filter);
extends 'Plack::Middleware';
has 'wrapper' => (is => 'ro', required => 1);
sub dispatch_wrapper (&) {
my ($code) = @_;
__PACKAGE__->from_code($code);
}
sub from_code {
my ($class, $code) = @_;
$class->new(wrapper => $code);
}
sub redispatch_to {
my ($new_path) = @_;
__PACKAGE__->from_code(sub {
$_[1]->({ %{$_[0]}, PATH_INFO => $new_path });
});
}
sub response_filter (&) {
my ($code) = @_;
__PACKAGE__->from_code(sub {
my @result = $_[1]->($_[0]);
if (@result) {
$code->(@result);
} else {
()
}
});
}
sub to_app {
my $code = $_[0]->wrapper;
my $app = $_[0]->app;
sub { $code->($_[0], $app) }
}
1;