92 lines
2.6 KiB
PHP
92 lines
2.6 KiB
PHP
<?php
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if (!defined('ABSPATH')) {
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die('No direct access allowed');
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}
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/**
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* Adds compatibility for Polylang plugin.
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*/
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class WPO_Polylang_Compatibility {
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/**
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* Instance of this class
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*
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* @var WPO_Polylang_Compatibility|null
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*/
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protected static $instance = null;
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/**
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* Constructor.
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*/
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private function __construct() {
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// Check if polylang is active
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if (!class_exists('Polylang')) {
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return;
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}
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// Add action hooks to delete cache for all languages
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add_action('wpo_single_post_cache_deleted', array($this, 'polylang_delete_post_cache_for_all_languages'));
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add_action('wpo_single_post_feed_cache_deleted', array($this, 'polylang_delete_post_feed_cache_for_all_languages'));
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}
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/**
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* Returns singleton instance.
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*
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* @return WPO_Polylang_Compatibility
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*/
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public static function instance() {
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if (null == self::$instance) {
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self::$instance = new self;
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}
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return self::$instance;
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}
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/**
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* Deletes cache files for all connected languages for a post.
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*
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* @param int $deleted_post_id Post id whose cache file is already deleted.
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*/
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public function polylang_delete_post_cache_for_all_languages($deleted_post_id) {
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// Check if polylang translation function is available
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if (!function_exists('pll_get_post_translations')) {
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return;
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}
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$translated_post_ids = pll_get_post_translations($deleted_post_id);
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// Delete cache for each translated post
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foreach ($translated_post_ids as $post_id) {
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if ($deleted_post_id !== $post_id) {
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WPO_Page_Cache::really_delete_single_post_cache($post_id);
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}
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}
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if (!empty($translated_post_ids)) WPO_Page_Cache::instance()->file_log("Cache for associated Polylang translation posts for Title: {{title}} have been purged", $deleted_post_id);
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}
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/**
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* Deletes cache files for all connected languages for a post feed.
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*
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* @param int $deleted_post_id Post id whose cache file for feed is already deleted.
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*/
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public function polylang_delete_post_feed_cache_for_all_languages($deleted_post_id) {
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// Check if polylang translation function is available
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if (!function_exists('pll_get_post_translations')) {
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return;
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}
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$translated_post_ids = pll_get_post_translations($deleted_post_id);
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$is_cache_purged = false;
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// Delete cache for each translated post
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foreach ($translated_post_ids as $post_id) {
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if ($deleted_post_id !== $post_id) {
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WPO_Page_Cache::really_delete_post_feed_cache($post_id);
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$is_cache_purged = true;
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}
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}
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if ($is_cache_purged) WPO_Page_Cache::instance()->file_log("Cache for associated Polylang translation posts' feeds for Title: {{title}} have been purged", $deleted_post_id);
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}
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}
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