<?php
namespace DgoraWcas\Integrations\Plugins\WooCommerce;
use \DgoraWcas\Helpers;
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Integration with native WooCommerce filters
*/
class WooCommerce {
public function init() {
add_filter( 'woocommerce_layered_nav_link', array( $this, 'add_search_param_to_link' ) );
add_filter( 'woocommerce_widget_get_current_page_url', array( $this, 'add_search_param_to_link' ) );
if ( Helpers::isProductSearchPage() ) {
add_filter( 'woocommerce_price_filter_sql', array( $this, 'filter_price_sql' ) );
add_filter( 'get_terms_args', array( $this, 'narrow_term_filters' ), 10, 2 );
add_filter( 'woocommerce_get_filtered_term_product_counts_query', array( $this, 'filter_counts_query' ) );
}
$this->syncWithOutOfStockVisibility();
add_action( 'before_woocommerce_init', array( $this, 'declare_compatibility' ) );
}
/**
* Sync with WooCommerce >> Settings >> Products >> Inventory >> "Out of stock visibility"
*/
private function syncWithOutOfStockVisibility() {
if ( get_option( 'woocommerce_hide_out_of_stock_items' ) === 'yes' ) {
// Hide "Exclude “out of stock” products" option
add_filter( 'dgwt/wcas/settings', function ( $settingsFields ) {
if ( is_array( $settingsFields['dgwt_wcas_search'] ) ) {
foreach ( $settingsFields['dgwt_wcas_search'] as $index => $field ) {
if ( $field['name'] === 'exclude_out_of_stock' ) {
unset( $settingsFields['dgwt_wcas_search'][ $index ] );
break;
}
}
}
return $settingsFields;
}, PHP_INT_MAX - 10 );
// Force value of "Exclude “out of stock” products" option as "on"
add_filter( 'dgwt/wcas/settings/load_value/key=exclude_out_of_stock', function ( $value ) {
return 'on';
}, PHP_INT_MAX - 10 );
}
}
/**
* Add &dgwt_wcas=1 to the link
*
* @return string
*/
public function add_search_param_to_link( $link ) {
if ( isset( $_GET['s'] ) ) {
$link = add_query_arg( array( 'dgwt_wcas' => '1' ), $link );
}
return $link;
}
/**
* Narrowing the list of products to those from our search engine
*
* @param string $sql
*
* @return string
*/
public function filter_price_sql( $sql ) {
if ( ! Helpers::is_running_inside_class( 'WC_Widget_Price_Filter' ) ) {
return $sql;
}
$post_ids = apply_filters( 'dgwt/wcas/search_page/result_post_ids', array() );
if ( $post_ids ) {
$sql .= " AND product_id IN(" . implode( ',', $post_ids ) . ")";
}
return $sql;
}
/**
* Passing our search results to plugin's terms filters
*
* The plugin will use our products IDs to determine terms in the displayed filters.
*
* @param array $args An array of get_terms() arguments.
* @param string[] $taxonomies An array of taxonomy names.
*
* @return array
*/
public function narrow_term_filters( $args, $taxonomies ) {
if ( ! Helpers::is_running_inside_class( 'WC_Widget_Layered_Nav' ) ) {
return $args;
}
$post_ids = apply_filters( 'dgwt/wcas/search_page/result_post_ids', array() );
if ( $post_ids ) {
$args['object_ids'] = $post_ids;
}
return $args;
}
/**
* Including products from our search engine in the term count display
*
* @param $query
*
* @return mixed
*/
public function filter_counts_query( $query ) {
global $wpdb;
$post_ids = apply_filters( 'dgwt/wcas/search_page/result_post_ids', array() );
if ( $post_ids ) {
$query['where'] .= " AND $wpdb->posts.ID IN(" . implode( ',', $post_ids ) . ")";
}
return $query;
}
/**
* Declare compatibility with WooCommerce features
*
* @return void
*/
public function declare_compatibility() {
// https://github.com/woocommerce/woocommerce/wiki/High-Performance-Order-Storage-Upgrade-Recipe-Book#declaring-extension-incompatibility
if ( class_exists( '\Automattic\WooCommerce\Utilities\FeaturesUtil' ) ) {
\Automattic\WooCommerce\Utilities\FeaturesUtil::declare_compatibility( 'custom_order_tables', DGWT_WCAS_FILE, true );
}
}
}