­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ includes(); $this->hooks(); $this->init(); do_action( 'woo_variation_swatches_manage_cache_loaded', $this ); } public static function instance() { if ( is_null( self::$instance ) ) { self::$instance = new self(); } return self::$instance; } protected function includes() { } protected function hooks() { // Attributes add_action( 'woocommerce_attribute_added', array( $this, 'clear_cache_on_attribute_added' ), 10, 2 ); add_action( 'woocommerce_attribute_updated', array( $this, 'clear_cache_on_attribute_updated' ), 10, 3 ); add_action( 'woocommerce_attribute_deleted', array( $this, 'clear_cache_on_attribute_deleted' ), 10, 3 ); // Products add_action( 'woocommerce_save_product_variation', array( $this, 'clear_cache_on_product_modify' ) ); add_action( 'woocommerce_update_product_variation', array( $this, 'clear_cache_on_product_modify' ) ); add_action( 'woocommerce_before_delete_product_variation', array( $this, 'clear_cache_on_product_modify' ) ); add_action( 'woocommerce_trash_product_variation', array( $this, 'clear_cache_on_product_modify' ) ); // WooCommerce -> Status -> Tools -> Clear transients add_action( 'woocommerce_delete_product_transients', array( $this, 'clear_cache_on_delete_product_transients' ) ); // Options add_action( 'getwooplugins_settings_saved', array( $this, 'clear_cache_on_settings_modify' ) ); add_action( 'getwooplugins_after_delete_options', array( $this, 'clear_cache_on_settings_modify' ) ); // Product label settings add_action( 'woo_variation_swatches_product_settings_update', array( $this, 'clear_cache_on_product_settings_modify' ) ); add_action( 'woo_variation_swatches_product_settings_delete', array( $this, 'clear_cache_on_product_settings_modify' ) ); add_action( 'admin_bar_menu', array( $this, 'add_admin_menu' ), 999 ); } public function add_admin_menu( $wp_admin_bar ) { if ( ! is_admin() && current_user_can( 'manage_woocommerce' ) && ( is_singular( 'product' ) || is_shop() ) ) { $create_nonce = wp_create_nonce('woo_variation_swatches_clear_transient'); $url = remove_query_arg( array( 'variation_id', 'remove_item', 'add-to-cart', 'added-to-cart', ), add_query_arg( 'woo_variation_swatches_clear_transient', $create_nonce ) ); $node = array( 'id' => 'woo-variation-swatches-clear-transient', 'title' => esc_html__( 'Clear swatches transient', 'woo-variation-swatches' ), 'href' => esc_url( $url), ); $wp_admin_bar->add_menu($node); } } protected function init() { if ( function_exists( 'wp_cache_add_global_groups' ) ) { wp_cache_add_global_groups( array( 'woo_variation_swatches' ) ); } } public function get_key_with_language_suffix( $key ) { return $this->get_cache_key( $key ); } private function is_polylang() { return function_exists( 'pll_default_language' ); } public function get_cache_key( $key ) { $suffix = ''; // Language $default_language = apply_filters( 'wpml_default_language', null ); $current_language = apply_filters( 'wpml_current_language', null ); if ( $this->is_polylang() ) { $default_language = pll_default_language( 'locale' ); $current_language = pll_current_language( 'locale' ); } if ( $current_language !== $default_language ) { $suffix .= sprintf( '_%s', $current_language ); } // Currency $default_currency = get_option( 'woocommerce_currency' ); $current_currency = get_woocommerce_currency(); if ( $current_currency !== $default_currency ) { $suffix .= sprintf( '_%s', $current_currency ); } $generated_cache_key = sprintf( '%s%s', $key, $suffix); if ( ! is_admin() && current_user_can( 'manage_options' ) && isset($_GET['woo_variation_swatches_clear_transient']) ) { check_admin_referer('woo_variation_swatches_clear_transient', 'woo_variation_swatches_clear_transient'); $cache_group = 'woo_variation_swatches'; delete_transient( $generated_cache_key); wp_cache_delete( $generated_cache_key, $cache_group ); do_action( 'woo_variation_swatches_clear_transient', $generated_cache_key, $cache_group); } return apply_filters( 'woo_variation_swatches_get_cache_key', $generated_cache_key, $key, $suffix ); } // Clear Settings Cache public function clear_cache_on_settings_modify() { do_action( 'litespeed_purge_all', 'Woo Variation Swatches: purge all' ); wp_cache_delete( 'global_settings', 'woo_variation_swatches' ); wp_cache_flush(); $this->delete_last_changed(); $this->clear_cache_by_group(); } // Clear transients Cache public function clear_cache_on_delete_product_transients( $post_id ) { if ( $post_id > 0 ) { $cache_group = 'woo_variation_swatches'; $cache_keys = array( 'variation_images_of__%s', 'product_settings_of__%s', 'variation_attributes_of__%s', 'available_variations__%s' ); foreach ( $cache_keys as $key_template ) { $cache_key = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( $key_template, $post_id ) ); wp_cache_delete( $cache_key, $cache_group ); } $cache_key = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'available_preview_variation__%s', $post_id ) ); wp_cache_delete( $cache_key, $cache_group ); } $this->delete_last_changed(); $this->clear_cache_by_group(); } // Clear Attributes Cache public function clear_cache_on_attribute_added( $id, $data ) { $transient_key = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'woo_variation_swatches_cache_attribute_taxonomy__%s', wc_attribute_taxonomy_name( $data[ 'attribute_name' ] ) ) ); $transient_key_by_id = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'woo_variation_swatches_cache_attribute_taxonomy_id__%s', $id ) ); delete_transient( $transient_key ); delete_transient( $transient_key_by_id ); $this->delete_last_changed(); $this->clear_cache_by_group(); } public function clear_cache_on_attribute_updated( $id, $data, $old_slug ) { $transient_key = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'woo_variation_swatches_cache_attribute_taxonomy__%s', wc_attribute_taxonomy_name( $data[ 'attribute_name' ] ) ) ); $transient_key_old = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'woo_variation_swatches_cache_attribute_taxonomy__%s', wc_attribute_taxonomy_name( $old_slug ) ) ); $transient_key_by_id = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'woo_variation_swatches_cache_attribute_taxonomy_id__%s', $id ) ); delete_transient( $transient_key ); delete_transient( $transient_key_old ); delete_transient( $transient_key_by_id ); $this->delete_last_changed(); $this->clear_cache_by_group(); } public function clear_cache_on_attribute_deleted( $id, $name, $taxonomy ) { $transient_key = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'woo_variation_swatches_cache_attribute_taxonomy__%s', $taxonomy ) ); $transient_key_by_id = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'woo_variation_swatches_cache_attribute_taxonomy_id__%s', $id ) ); delete_transient( $transient_key ); delete_transient( $transient_key_by_id ); $this->delete_last_changed(); $this->clear_cache_by_group(); } // Clear Product Cache public function clear_cache_on_product_modify( $variation_id ) { $variation_product = wc_get_product( $variation_id ); if ( ! $variation_product ) { return false; } $product_id = $variation_product->get_parent_id(); $cache_group = 'woo_variation_swatches'; $cache_keys = array( 'variation_images_of__%s', 'product_settings_of__%s', 'variation_attributes_of__%s', 'available_variations__%s' ); foreach ( $cache_keys as $key_template ) { $cache_key = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( $key_template, $product_id ) ); wp_cache_delete( $cache_key, $cache_group ); } $cache_key_1 = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'available_preview_variation__%s', $variation_id ) ); wp_cache_delete( $cache_key_1, $cache_group ); $this->delete_last_changed(); $this->clear_cache_by_group(); } public function clear_cache_on_product_settings_modify( $product_id ) { $cache_key = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'product_settings_of__%s', $product_id ) ); $cache_group = 'woo_variation_swatches'; wp_cache_delete( $cache_key, $cache_group ); $cache_key_2 = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'available_variations__%s', $product_id ) ); wp_cache_delete( $cache_key_2, $cache_group ); $cache_key_3 = woo_variation_swatches()->get_cache()->get_cache_key( sprintf( 'available_preview_variation__%s', $product_id ) ); wp_cache_delete( $cache_key_3, $cache_group ); $this->delete_last_changed(); $this->clear_cache_by_group(); } public function get_last_changed() { return wp_cache_get_last_changed( 'woo_variation_swatches' ); } public function delete_last_changed() { wp_cache_delete( 'last_changed', 'woo_variation_swatches' ); } public function update_last_changed() { wp_cache_set( 'last_changed', microtime(), 'woo_variation_swatches' ); } public function clear_cache_by_group() { if ( function_exists( 'wp_cache_flush_group' ) && method_exists( 'WP_Object_Cache', 'flush_group' ) ) { if ( wp_cache_supports( 'flush_group' ) ) { wp_cache_flush_group( 'woo_variation_swatches' ); } } } } }