File Coverage

blib/lib/Tags/HTML/Stars.pm

Criterion	Covered	Total	%
statement	59	59	100.0
branch	15	18	83.3
condition			n/a
subroutine	11	11	100.0
pod	1	1	100.0
total	86	89	96.6

package Tags::HTML::Stars;

use base qw(Tags::HTML);
use strict;
use warnings;

use Class::Utils qw(set_params split_params);
use Error::Pure qw(err);
use List::Util qw(max);
use MIME::Base64;
use Readonly;

# Constants.
Readonly::Scalar our $STAR_FULL_FILENAME => 'Star*.svg';
Readonly::Scalar our $STAR_HALF_FILENAME => 'Star-.svg';
Readonly::Scalar our $STAR_NOTHING_FILENAME => 'Star½.svg';
Readonly::Scalar our $IMG_STAR_FULL => encode_base64(<<'END', '');



END
Readonly::Scalar our $IMG_STAR_HALF => encode_base64(<<'END', '');






END
Readonly::Scalar our $IMG_STAR_NOTHING => encode_base64(<<'END', '');



END

our $VERSION = 0.05;

# Constructor.
sub new {
	my ($class, @params) = @_;

	# No CSS support.
	push @params, 'no_css', 1;

	# Create object.
	my ($object_params_ar, $other_params_ar) = split_params(
		['public_image_dir', 'star_width'], @params);
	my $self = $class->SUPER::new(@{$other_params_ar});

	# Public image directory.
	$self->{'public_image_dir'} = undef;

	# Star width (300px).
	$self->{'star_width'} = undef;

	# Process params.
	set_params($self, @{$object_params_ar});

	# Object.
	return $self;
}

# Process 'Tags'.
sub _process {
	my ($self, $stars_hr) = @_;

	# Main stars.
	$self->{'tags'}->put(
		['b', 'div'],
	);

	my $max_num = max(keys %{$stars_hr});
	foreach my $num (1 .. $max_num) {
		my $image_src = $self->_star_src($stars_hr->{$num});

		$self->{'tags'}->put(
			['b', 'img'],
			(
				$self->{'star_width'}
				? (
				['a', 'style', 'width: '.$self->{'star_width'}.';'],
				) : (),
			),
			['a', 'src', $image_src],
			['e', 'img'],
		);
	}

	$self->{'tags'}->put(
		['e', 'div'],
	);

	return;
}

sub _star_src {
	my ($self, $id) = @_;

	# Link to file.
	my $src;
	if (defined $self->{'public_image_dir'}) {
		$src = $self->{'public_image_dir'};
		if ($src ne '') {
			$src .= '/';
		}
		if ($id eq 'full') {
			$src .= $STAR_FULL_FILENAME;
		} elsif ($id eq 'half') {
			$src .= $STAR_HALF_FILENAME;
		} elsif ($id eq 'nothing') {
			$src .= $STAR_NOTHING_FILENAME
		}
	} else {
		$src = 'data:image/svg+xml;base64,';
		if ($id eq 'full') {
			$src .= $IMG_STAR_FULL;
		} elsif ($id eq 'half') {
			$src .= $IMG_STAR_HALF;
		} elsif ($id eq 'nothing') {
			$src .= $IMG_STAR_NOTHING;
		}
	}

	return $src;
}

1;

__END__