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<?php
/**
* Blocks Utils
*
* Used by core components that need to work with blocks.
*
* @package WooCommerce\Blocks\Utils
* @version 5.0.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Blocks Utility class.
*/
class WC_Blocks_Utils {
/**
* Get blocks from a woocommerce page.
*
* @param string $woo_page_name A woocommerce page e.g. `checkout` or `cart`.
* @return array Array of blocks as returned by parse_blocks().
*/
private static function get_all_blocks_from_page( $woo_page_name ) {
$page_id = wc_get_page_id( $woo_page_name );
$page = get_post( $page_id );
if ( ! $page ) {
return array();
}
$blocks = parse_blocks( $page->post_content );
if ( ! $blocks ) {
return array();
}
return $blocks;
}
/**
* Get all instances of the specified block on a specific woo page
* (e.g. `cart` or `checkout` page).
*
* @param string $block_name The name (id) of a block, e.g. `woocommerce/cart`.
* @param string $woo_page_name The woo page to search, e.g. `cart`.
* @return array Array of blocks as returned by parse_blocks().
*/
public static function get_blocks_from_page( $block_name, $woo_page_name ) {
$page_blocks = self::get_all_blocks_from_page( $woo_page_name );
// Get any instances of the specified block.
return array_values(
array_filter(
$page_blocks,
function ( $block ) use ( $block_name ) {
return ( $block_name === $block['blockName'] );
}
)
);
}
/**
* Check if a given page contains a particular block.
*
* @param int|WP_Post $page Page post ID or post object.
* @param string $block_name The name (id) of a block, e.g. `woocommerce/cart`.
* @return bool Boolean value if the page contains the block or not. Null in case the page does not exist.
*/
public static function has_block_in_page( $page, $block_name ) {
$page_to_check = get_post( $page );
if ( null === $page_to_check ) {
return false;
}
$blocks = parse_blocks( $page_to_check->post_content );
foreach ( $blocks as $block ) {
if ( $block_name === $block['blockName'] ) {
return true;
}
}
return false;
}
}
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