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<?php /** * Cache * * @package wp-freeio * @author Habq * @license GNU General Public License, version 3 */ if ( ! defined( 'ABSPATH' ) ) { exit; } class WP_Freeio_Cache_Helper { /** * Initializes cache hooks. */ public static function init() { add_action( 'save_post', [ __CLASS__, 'flush_get_job_listings_cache' ] ); add_action( 'delete_post', [ __CLASS__, 'flush_get_job_listings_cache' ] ); add_action( 'trash_post', [ __CLASS__, 'flush_get_job_listings_cache' ] ); add_action( 'wp_freeio_my_job_do_action', [ __CLASS__, 'my_job_do_action' ] ); add_action( 'set_object_terms', [ __CLASS__, 'set_term' ], 10, 4 ); add_action( 'edited_term', [ __CLASS__, 'edited_term' ], 10, 3 ); add_action( 'create_term', [ __CLASS__, 'edited_term' ], 10, 3 ); add_action( 'delete_term', [ __CLASS__, 'edited_term' ], 10, 3 ); add_action( 'transition_post_status', [ __CLASS__, 'maybe_clear_count_transients' ], 10, 3 ); } /** * Flushes the cache. * * @param int|WP_Post $post_id */ public static function flush_get_job_listings_cache( $post_id ) { if ( 'job_listing' === get_post_type( $post_id ) ) { self::get_transient_version( 'get_job_listings', true ); } } public static function my_job_do_action( $action ) { if ( 'mark_filled' === $action || 'mark_not_filled' === $action ) { self::get_transient_version( 'get_job_listings', true ); } } public static function set_term( $object_id = '', $terms = '', $tt_ids = '', $taxonomy = '' ) { self::get_transient_version( 'wpfi_get_' . sanitize_text_field( $taxonomy ), true ); } public static function edited_term( $term_id = '', $tt_id = '', $taxonomy = '' ) { self::get_transient_version( 'wpfi_get_' . sanitize_text_field( $taxonomy ), true ); } /** * Gets transient version. * */ public static function get_transient_version( $group, $refresh = false ) { $transient_name = $group . '-transient-version'; $transient_value = get_transient( $transient_name ); if ( false === $transient_value || true === $refresh ) { self::delete_version_transients( $transient_value ); set_transient( $transient_name, $transient_value = time() ); } return $transient_value; } private static function delete_version_transients( $version ) { global $wpdb; if ( ! wp_using_ext_object_cache() && ! empty( $version ) ) { // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Only used when object caching is disabled. $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s;", '\_transient\_%' . $version ) ); } } /** * Maybe remove pending count transients * */ public static function maybe_clear_count_transients( $new_status, $old_status, $post ) { global $wpdb; $post_types = apply_filters( 'wpfi_count_cache_supported_post_types', [ 'job_listing' ], $new_status, $old_status, $post ); // Only proceed when statuses do not match, and post type is supported post type. if ( $new_status === $old_status || ! in_array( $post->post_type, $post_types, true ) ) { return; } $valid_statuses = apply_filters( 'wpfi_count_cache_supported_statuses', [ 'pending' ], $new_status, $old_status, $post ); $rlike = []; // New status transient option name. if ( in_array( $new_status, $valid_statuses, true ) ) { $rlike[] = "^_transient_wpfi_{$new_status}_{$post->post_type}_count_user_"; } // Old status transient option name. if ( in_array( $old_status, $valid_statuses, true ) ) { $rlike[] = "^_transient_wpfi_{$old_status}_{$post->post_type}_count_user_"; } if ( empty( $rlike ) ) { return; } // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Fetches dynamic list of cached counts. $transients = $wpdb->get_col( $wpdb->prepare( "SELECT option_name FROM $wpdb->options WHERE option_name RLIKE %s", implode( '|', $rlike ) ) ); // For each transient... foreach ( $transients as $transient ) { // Strip away the WordPress prefix in order to arrive at the transient key. $key = str_replace( '_transient_', '', $transient ); // Now that we have the key, use WordPress core to the delete the transient. delete_transient( $key ); } // Sometimes transients are not in the DB, so we have to do this too:. wp_cache_flush(); } /** * Get Listings Count from Cache * */ public static function get_listings_count( $post_type = 'job_listing', $status = 'pending', $force = false ) { // Get user based cache transient. $user_id = get_current_user_id(); $transient = "wpfi_{$status}_{$post_type}_count_user_{$user_id}"; // Set listings_count value from cache if exists, otherwise set to 0 as default. $cached_count = get_transient( $transient ); $status_count = $cached_count ? $cached_count : 0; // $cached_count will be false if transient does not exist. if ( false === $cached_count || $force ) { $count_posts = wp_count_posts( $post_type, 'readable' ); // Default to 0 $status if object does not have a value. $status_count = isset( $count_posts->$status ) ? $count_posts->$status : 0; set_transient( $transient, $status_count, DAY_IN_SECONDS * 7 ); } return $status_count; } } WP_Freeio_Cache_Helper::init();
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