ProductFilterRating.php
<?php
namespace Automattic\WooCommerce\Blocks\BlockTypes;
use Automattic\WooCommerce\Blocks\BlockTypes\ProductCollection\Utils as ProductCollectionUtils;
use Automattic\WooCommerce\Blocks\QueryFilters;
use Automattic\WooCommerce\Blocks\Package;
/**
* Product Filter: Rating Block
*
* @package Automattic\WooCommerce\Blocks\BlockTypes
*/
final class ProductFilterRating extends AbstractBlock {
/**
* Block name.
*
* @var string
*/
protected $block_name = 'product-filter-rating';
const RATING_FILTER_QUERY_VAR = 'rating_filter';
/**
* Initialize this block type.
*
* - Hook into WP lifecycle.
* - Register the block with WordPress.
*/
protected function initialize() {
parent::initialize();
add_filter( 'woocommerce_blocks_product_filters_param_keys', array( $this, 'get_filter_query_param_keys' ), 10, 2 );
add_filter( 'woocommerce_blocks_product_filters_selected_items', array( $this, 'prepare_selected_filters' ), 10, 2 );
}
/**
* Register the query param keys.
*
* @param array $filter_param_keys The active filters data.
* @param array $url_param_keys The query param parsed from the URL.
*
* @return array Active filters param keys.
*/
public function get_filter_query_param_keys( $filter_param_keys, $url_param_keys ) {
$rating_param_keys = array_filter(
$url_param_keys,
function ( $param ) {
return self::RATING_FILTER_QUERY_VAR === $param;
}
);
return array_merge(
$filter_param_keys,
$rating_param_keys
);
}
/**
* Prepare the active filter items.
*
* @param array $items The active filter items.
* @param array $params The query param parsed from the URL.
* @return array Active filters items.
*/
public function prepare_selected_filters( $items, $params ) {
if ( empty( $params[ self::RATING_FILTER_QUERY_VAR ] ) ) {
return $items;
}
$active_ratings = array_filter(
explode( ',', $params[ self::RATING_FILTER_QUERY_VAR ] )
);
if ( empty( $active_ratings ) ) {
return $items;
}
foreach ( $active_ratings as $rating ) {
$items[] = array(
'type' => 'rating',
'value' => $rating,
/* translators: %s is referring to rating value. Example: Rated 4 out of 5. */
'label' => sprintf( __( 'Rating: Rated %d out of 5', 'woocommerce' ), $rating ),
);
}
return $items;
}
/**
* Include and render the block.
*
* @param array $attributes Block attributes. Default empty array.
* @param string $content Block content. Default empty string.
* @param WP_Block $block Block instance.
* @return string Rendered block type output.
*/
protected function render( $attributes, $content, $block ) {
// don't render if its admin, or ajax in progress.
if ( is_admin() || wp_doing_ajax() ) {
return '';
}
wp_enqueue_script_module( $this->get_full_block_name() );
$min_rating = $attributes['minRating'] ?? 0;
$rating_counts = $this->get_rating_counts( $block );
// User selected minimum rating to display.
$rating_counts_with_min = array_filter(
$rating_counts,
function ( $rating ) use ( $min_rating ) {
return $rating['rating'] >= $min_rating;
}
);
$filter_params = $block->context['filterParams'] ?? array();
$rating_query = $filter_params[ self::RATING_FILTER_QUERY_VAR ] ?? '';
$selected_rating = array_filter( explode( ',', $rating_query ) );
$filter_options = array_map(
function ( $rating ) use ( $selected_rating, $attributes ) {
$value = (string) $rating['rating'];
$count_label = $attributes['showCounts'] ? "({$rating['count']})" : '';
$aria_label = sprintf(
/* translators: %s is referring to rating value. Example: Rated 4 out of 5. */
__( 'Rated %s out of 5', 'woocommerce' ),
$value,
);
return array(
'id' => 'rating-' . $value,
'selected' => in_array( $value, $selected_rating, true ),
'label' => $this->render_rating_label( (int) $value, $count_label ),
'ariaLabel' => $aria_label,
'value' => $value,
'type' => 'rating',
'data' => $rating,
);
},
$rating_counts_with_min
);
$filter_context = array(
'items' => $filter_options,
'parent' => $this->get_full_block_name(),
);
$wrapper_attributes = array(
'data-wp-interactive' => $this->get_full_block_name(),
'data-wp-context' => wp_json_encode(
array(
'hasFilterOptions' => ! empty( $filter_options ),
/* translators: {{labe}} is the rating filter item label. */
'activeLabelTemplate' => __( 'Rating: {{label}}', 'woocommerce' ),
),
JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP
),
'data-wp-bind--hidden' => '!context.hasFilterOptions',
);
if ( empty( $filter_options ) ) {
$wrapper_attributes['hidden'] = true;
}
return sprintf(
'<div %1$s>%2$s</div>',
get_block_wrapper_attributes( $wrapper_attributes ),
array_reduce(
$block->parsed_block['innerBlocks'],
function ( $carry, $parsed_block ) use ( $filter_context ) {
$carry .= ( new \WP_Block( $parsed_block, array( 'filterData' => $filter_context ) ) )->render();
return $carry;
},
''
)
);
}
/**
* Render the rating label.
*
* @param int $rating The rating to render.
* @param string $count_label The count label to render.
* @return string|false
*/
private function render_rating_label( $rating, $count_label ) {
$width = $rating * 20;
$rating_label = sprintf(
/* translators: %1$d is referring to rating value. Example: Rated 4 out of 5. */
__( 'Rated %1$d out of 5', 'woocommerce' ),
$rating,
);
ob_start();
?>
<div class="wc-block-components-product-rating">
<div class="wc-block-components-product-rating__stars" role="img" aria-label="<?php echo esc_attr( $rating_label ); ?>">
<span style="width: <?php echo esc_attr( $width ); ?>%" aria-hidden="true">
</span>
</div>
<span class="wc-block-components-product-rating-count">
<?php echo esc_html( $count_label ); ?>
</span>
</div>
<?php
return ob_get_clean();
}
/**
* Retrieve the rating filter data for current block.
*
* @param WP_Block $block Block instance.
*/
private function get_rating_counts( $block ) {
$filters = Package::container()->get( QueryFilters::class );
$query_vars = ProductCollectionUtils::get_query_vars( $block, 1 );
if ( ! empty( $query_vars['tax_query'] ) ) {
// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query
$query_vars['tax_query'] = ProductCollectionUtils::remove_query_array( $query_vars['tax_query'], 'rating_filter', true );
}
if ( isset( $query_vars['taxonomy'] ) && false !== strpos( $query_vars['taxonomy'], 'pa_' ) ) {
unset(
$query_vars['taxonomy'],
$query_vars['term']
);
}
$counts = $filters->get_rating_counts( $query_vars );
$data = array();
foreach ( $counts as $key => $value ) {
$data[] = array(
'rating' => $key,
'count' => $value,
);
}
return $data;
}
/**
* Disable the block type script, this uses script modules.
*
* @param string|null $key The key.
*
* @return null
*/
protected function get_block_type_script( $key = null ) {
return null;
}
}
