CartOrderSummaryBlock.php
<?php
namespace Automattic\WooCommerce\Blocks\BlockTypes;
/**
* CartOrderSummaryBlock class.
*/
class CartOrderSummaryBlock extends AbstractInnerBlock {
/**
* Block name.
*
* @var string
*/
protected $block_name = 'cart-order-summary-block';
/**
* Get the contents of the given inner block.
*
* @param string $block_name Name of the order summary inner block.
* @param string $content The content to search.
* @return array|bool
*/
private function get_inner_block_content( $block_name, $content ) {
if ( preg_match( $this->inner_block_regex( $block_name ), $content, $matches ) ) {
return $matches[0];
}
return false;
}
/**
* Get the regex that will return an inner block.
*
* @param string $block_name Name of the order summary inner block.
* @return string Regex pattern.
*/
private function inner_block_regex( $block_name ) {
return '/<div data-block-name="woocommerce\/cart-order-summary-' . $block_name . '-block"(.+?)>(.*?)<\/div>/si';
}
/**
* Render the Cart Order Summary block.
*
* @param array $attributes Block attributes.
* @param string $content Block content.
* @param object $block Block object.
* @return string Rendered block.
*/
protected function render( $attributes, $content, $block ) {
// The order-summary-totals block was introduced as a new parent block for the totals
// (subtotal, discount, fees, shipping and taxes) blocks.
$regex_for_cart_order_summary_totals = '/<div data-block-name="woocommerce\/cart-order-summary-totals-block"(.+?)>/';
$order_summary_totals_content = '<div data-block-name="woocommerce/cart-order-summary-totals-block" class="wp-block-woocommerce-cart-order-summary-totals-block">';
$totals_inner_blocks = array( 'subtotal', 'discount', 'fee', 'shipping', 'taxes' ); // We want to move these blocks inside a parent 'totals' block.
if ( preg_match( $regex_for_cart_order_summary_totals, $content ) ) {
return $content;
}
foreach ( $totals_inner_blocks as $key => $block_name ) {
$inner_block_content = $this->get_inner_block_content( $block_name, $content );
if ( $inner_block_content ) {
$order_summary_totals_content .= "\n" . $inner_block_content;
// The last block is replaced with the totals block.
if ( count( $totals_inner_blocks ) - 1 === $key ) {
$order_summary_totals_content .= '</div>';
$content = preg_replace( $this->inner_block_regex( $block_name ), $order_summary_totals_content, $content );
} else {
// Otherwise, remove the block.
$content = preg_replace( $this->inner_block_regex( $block_name ), '', $content );
}
}
}
return preg_replace( '/\n\n( *?)/i', '', $content );
}
}