File Coverage

blib/lib/Dancer/Hook.pm

Criterion	Covered	Total	%
statement	43	48	89.5
branch	9	14	64.2
condition			n/a
subroutine	9	9	100.0
pod	1	1	100.0
total	62	72	86.1

package Dancer::Hook;
our $AUTHORITY = 'cpan:SUKRIA';
#ABSTRACT: Class to manipulate hooks with Dancer
$Dancer::Hook::VERSION = '1.3521';
use strict;
use warnings;
use Carp;

use base 'Dancer::Object';

__PACKAGE__->attributes(qw/name code properties/);

use Dancer::Factory::Hook;
use Dancer::Hook::Properties;
use Dancer::Exception qw(:all);

sub new {
    my ($class, @args) = @_;

    my $self = bless {}, $class;

    if (!scalar @args) {
        raise core_hook => "one name and a coderef are required";
    }

    my $hook_name = shift @args;

    # XXX at the moment, we have a filer position named "before_template".
    # this one is renamed "before_template_render", so we need to alias it.
    # maybe we need to deprecate 'before_template' to enforce the use
    # of 'hook before_template_render => sub {}' ?
    $hook_name = 'before_template_render' if $hook_name eq 'before_template';

    $self->name($hook_name);

    my ( $properties, $code );
    if ( scalar @args == 1 ) {
        $properties = Dancer::Hook::Properties->new();
        $code       = shift @args;
    }
    elsif ( scalar @args == 2 ) {
        my $prop = shift @args;
        $properties = Dancer::Hook::Properties->new(%$prop);
        $code       = shift @args;
    }
    else {
        raise core_hook => "something's wrong with parameters passed to Hook constructor";
    }
    ref $code eq 'CODE'
      or raise core_hook => "the code argument passed to hook construction was not a CodeRef. Value was : '$code'";


    my $compiled_filter = sub {
        my @arguments = @_;
        return if Dancer::SharedData->response->halted;

        my $app = Dancer::App->current();
        return unless $properties->should_run_this_app($app->name);

        Dancer::Logger::core( "entering " . $hook_name . " hook" );

        $code->(@arguments);

    };

    $self->properties($properties);
    $self->code($compiled_filter);

    Dancer::Factory::Hook->instance->register_hook($self);
    return $self;
}

1;

__END__