ProductStockIndicator.php
<?php
namespace Automattic\WooCommerce\Blocks\BlockTypes;
use Automattic\WooCommerce\Blocks\Utils\StyleAttributesUtils;
/**
* ProductStockIndicator class.
*/
class ProductStockIndicator extends AbstractBlock {
/**
* Block name.
*
* @var string
*/
protected $block_name = 'product-stock-indicator';
/**
* API version name.
*
* @var string
*/
protected $api_version = '2';
/**
* Register script and style assets for the block type before it is registered.
*
* This registers the scripts; it does not enqueue them.
*/
protected function register_block_type_assets() {
return null;
}
/**
* Register the context.
*/
protected function get_block_type_uses_context() {
return [ 'query', 'queryId', 'postId' ];
}
/**
* Get stock text based on stock. For example:
* - In stock
* - Out of stock
* - Available on backorder
* - 2 left in stock
*
* @param bool $is_in_stock Whether the product is in stock.
* @param bool $is_low_stock Whether the product is low in stock.
* @param int|null $low_stock_amount The amount of stock that is considered low.
* @param bool $is_on_backorder Whether the product is on backorder.
* @return string Stock text.
*/
protected static function getTextBasedOnStock( $is_in_stock, $is_low_stock, $low_stock_amount, $is_on_backorder ) {
if ( $is_low_stock ) {
return sprintf(
/* translators: %d is number of items in stock for product */
__( '%d left in stock', 'woocommerce' ),
$low_stock_amount
);
} elseif ( $is_on_backorder ) {
return __( 'Available on backorder', 'woocommerce' );
} elseif ( $is_in_stock ) {
return __( 'In stock', 'woocommerce' );
} else {
return __( 'Out of stock', 'woocommerce' );
}
}
/**
* 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 ) {
if ( ! empty( $content ) ) {
parent::register_block_type_assets();
$this->register_chunk_translations( [ $this->block_name ] );
return $content;
}
$post_id = isset( $block->context['postId'] ) ? $block->context['postId'] : '';
$product = wc_get_product( $post_id );
if ( ! $product ) {
return '';
}
$is_in_stock = $product->is_in_stock();
$is_on_backorder = $product->is_on_backorder();
$low_stock_amount = $product->get_low_stock_amount();
$total_stock = $product->get_stock_quantity();
$is_low_stock = $low_stock_amount && $total_stock <= $low_stock_amount;
$classes_and_styles = StyleAttributesUtils::get_classes_and_styles_by_attributes( $attributes );
$classnames = isset( $classes_and_styles['classes'] ) ? ' ' . $classes_and_styles['classes'] . ' ' : '';
$classnames .= isset( $attributes['className'] ) ? ' ' . $attributes['className'] . ' ' : '';
$classnames .= ! $is_in_stock ? ' wc-block-components-product-stock-indicator--out-of-stock ' : '';
$classnames .= $is_in_stock ? ' wc-block-components-product-stock-indicator--in-stock ' : '';
$classnames .= $is_low_stock ? ' wc-block-components-product-stock-indicator--low-stock ' : '';
$classnames .= $is_on_backorder ? ' wc-block-components-product-stock-indicator--available-on-backorder ' : '';
$output = '';
$output .= '<div class="wc-block-components-product-stock-indicator wp-block-woocommerce-product-stock-indicator ' . esc_attr( $classnames ) . '"';
$output .= isset( $classes_and_styles['styles'] ) ? ' style="' . esc_attr( $classes_and_styles['styles'] ) . '"' : '';
$output .= '>';
$output .= wp_kses_post( self::getTextBasedOnStock( $is_in_stock, $is_low_stock, $low_stock_amount, $is_on_backorder ) );
$output .= '</div>';
return $output;
}
}