?AlkantarClanX12
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<?php
/**
* Class FeedCache
*
* @since 1.0
*/
namespace SmashBalloon\Reviews\Common;
class FeedCache {
public const CACHES_TABLE_NAME = 'sbr_feed_caches';
public const CACHE_KEY = 'sbr_feed_';
/**
* @var string
*/
protected $feed_id;
/**
* @var string
*/
protected $suffix;
/**
* @var int
*/
private $cache_time;
/**
* @var bool
*/
private $is_expired = true;
/**
* @var array
*/
private $posts;
/**
* @var array
*/
private $header;
/**
* @var array
*/
private $posts_backup;
/**
* @var array
*/
private $header_backup;
/**
* @var array
*/
private $errors;
/**
* SBI_Cache constructor. Set the feed id, cache key, legacy
*
* @param string $feed_id
* @param int $cache_time
*
* @since 6.0
*/
public function __construct($feed_id, $cache_time = 0)
{
$this->cache_time = (int) $cache_time;
$this->feed_id = str_replace('*', '', $feed_id);
$this->suffix = '';
if (is_admin()) {
$this->feed_id .= $this->maybe_customizer_suffix();
}
}
/**
* Set all caches based on available data.
*
* @since 6.0
*/
public function retrieve_and_set()
{
$expired = true;
$existing_caches = $this->query_feed_caches();
foreach ($existing_caches as $cache) {
switch ($cache['cache_key']) {
case 'posts':
$this->posts = $cache['cache_value'];
if (strtotime($cache['last_updated']) > time() - $this->cache_time) {
$expired = false;
}
if (empty($cache['cache_value'])) {
$expired = true;
}
break;
case 'header':
$this->header = $cache['cache_value'];
break;
case 'posts_backup' . $this->suffix:
$this->posts_backup = $cache['cache_value'];
break;
case 'header_backup' . $this->suffix:
$this->header_backup = $cache['cache_value'];
break;
case 'errors' . $this->suffix:
$this->errors = $cache['cache_value'];
break;
}
}
$this->is_expired = $expired;
if ($this->cache_time < 1) {
$this->is_expired = true;
}
}
/**
* Whether or not the cache needs to be refreshed
*
* @param string $cache_type
*
* @return bool
*
* @since 6.0
*/
public function is_expired($cache_type = 'posts')
{
if ($cache_type !== 'posts') {
$cache = $this->get($cache_type);
return ( empty($cache) || $this->is_expired );
}
return $this->is_expired;
}
/**
* Get data currently stored in the database for the type
*
* @param string $type
*
* @return string
*
* @since 6.0
*/
public function get($type)
{
$return = array();
switch ($type) {
case 'posts':
$return = $this->posts;
break;
case 'posts' . $this->suffix:
$return = $this->posts_page;
break;
case 'header':
$return = $this->header;
break;
case 'posts_backup':
$return = $this->posts_backup;
break;
case 'header_backup':
$return = $this->header_backup;
break;
case 'errors':
$return = $this->errors;
break;
}
return $return;
}
/**
* @param string $type
* @param array $cache_value
*
* @since 6.0
*/
public function set($type, $cache_value)
{
switch ($type) {
case 'posts':
$this->posts = $cache_value;
break;
case 'posts' . $this->suffix:
$this->posts_page = $cache_value;
break;
case 'header':
$this->header = $cache_value;
break;
case 'posts_backup':
$this->posts_backup = $cache_value;
break;
case 'header_backup':
$this->header_backup = $cache_value;
break;
case 'errors':
$this->errors = $cache_value;
break;
}
}
/**
* Update a single cache with new data. Try to accept any data and convert it
* to JSON if needed
*
* @param string $cache_type
* @param array|object|string $cache_value
* @param bool $include_backup
* @param bool $cron_update
*
* @return int
*
* @since 6.0
*/
public function update_or_insert($cache_type, $cache_value, $include_backup = true, $cron_update = true)
{
$this->clear_wp_cache();
if ($cache_type !== 'posts' && $cache_type !== 'header') {
$cron_update = false;
}
if (strpos($this->feed_id, '_CUSTOMIZER') !== false) {
$cron_update = false;
}
// When updating regular cache with posts, clear stale Customizer cache
// This prevents race condition where Customizer cached empty results before posts were fetched
if ($cache_type === 'posts' && strpos($this->feed_id, '_CUSTOMIZER') === false) {
// Handle both array and string cache values
$has_posts = false;
if (is_array($cache_value) || is_object($cache_value)) {
$has_posts = ! empty($cache_value);
} elseif (is_string($cache_value)) {
$has_posts = ! empty($cache_value) && $cache_value !== '[]' && $cache_value !== 'null';
}
if ($has_posts) {
$this->clear_customizer_posts_cache();
}
}
$cache_key = $cache_type . $this->suffix;
$this->set($cache_key, $cache_value);
if (is_array($cache_value) || is_object($cache_value)) {
$cache_value = wp_json_encode($cache_value);
}
global $wpdb;
$cache_table_name = $wpdb->prefix . self::CACHES_TABLE_NAME;
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared -- Table name is safely constructed from $wpdb->prefix
$sql = $wpdb->prepare(
"
SELECT * FROM $cache_table_name
WHERE feed_id = %s
AND cache_key = %s",
$this->feed_id,
$cache_key
);
$existing = $wpdb->get_results($sql, ARRAY_A);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared
$data = array();
$where = array();
$format = array();
$data['cache_value'] = $cache_value;
$format[] = '%s';
$data['last_updated'] = date('Y-m-d H:i:s');
$format[] = '%s';
if (! empty($existing[0])) {
$where['feed_id'] = $this->feed_id;
$where_format[] = '%s';
$where['cache_key'] = $cache_key;
$where_format[] = '%s';
$affected = $wpdb->update($cache_table_name, $data, $where, $format, $where_format);
} else {
$data['cache_key'] = $cache_key;
$format[] = '%s';
$data['cron_update'] = $cron_update === true ? 'yes' : '';
$format[] = '%s';
$data['feed_id'] = $this->feed_id;
$format[] = '%s';
$affected = $wpdb->insert($cache_table_name, $data, $format);
}
return $affected;
}
/**
* Tasks to do after a new set of posts are retrieved
*
* @since 6.0
*/
public function after_new_posts_retrieved()
{
$this->clear('all');
}
/**
* Resets caches after they expire
*
* @param string $type
*
* @return bool|false|int
*
* @since 6.0
*/
public function clear($type)
{
$this->clear_wp_cache();
global $wpdb;
$cache_table_name = $wpdb->prefix . self::CACHES_TABLE_NAME;
$feed_id = str_replace(array( '_CUSTOMIZER', '_CUSTOMIZER_MODMODE' ), '', $this->feed_id);
if ($type === 'all') {
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Table name is safely constructed from $wpdb->prefix
$affected = $wpdb->query(
$wpdb->prepare(
"UPDATE $cache_table_name
SET cache_value = ''
WHERE feed_id = %s
AND cache_key NOT IN ( 'posts', 'posts_backup', 'header_backup' );",
$feed_id
)
);
$affected = $wpdb->query(
$wpdb->prepare(
"UPDATE $cache_table_name
SET cache_value = ''
WHERE feed_id = %s",
$feed_id . '_CUSTOMIZER'
)
);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$mod_mode_where = esc_sql($feed_id) . '_CUSTOMIZER_MODMODE%';
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Table name is safely constructed from $wpdb->prefix
$affected = $wpdb->query(
$wpdb->prepare(
"UPDATE $cache_table_name
SET cache_value = ''
WHERE feed_id like %s",
$mod_mode_where
)
);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
} else {
$data = array( 'cache_value' => '' );
$format = array( '%s' );
$where['feed_id'] = $feed_id;
$where_format[] = '%s';
$where['cache_key'] = $type . $this->suffix;
$where_format[] = '%s';
$affected = $wpdb->update($cache_table_name, $data, $where, $format, $where_format);
$where['feed_id'] = $feed_id . '_CUSTOMIZER';
$affected = $wpdb->update($cache_table_name, $data, $where, $format, $where_format);
$where['feed_id'] = $feed_id . '_CUSTOMIZER_MODMODE';
$affected = $wpdb->update($cache_table_name, $data, $where, $format, $where_format);
}
return $affected;
}
public function get_customizer_cache()
{
if (strpos($this->feed_id, '_CUSTOMIZER') === false) {
$feed_id = $this->feed_id . '_CUSTOMIZER';
} else {
$feed_id = $this->feed_id;
}
global $wpdb;
$cache_table_name = $wpdb->prefix . self::CACHES_TABLE_NAME;
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared -- Table name is safely constructed from $wpdb->prefix
$sql = $wpdb->prepare(
"
SELECT * FROM $cache_table_name
WHERE feed_id = %s
AND cache_key = 'posts'",
$feed_id
);
$results = $wpdb->get_results($sql, ARRAY_A);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared
$return = array();
if (! empty($results[0])) {
$return = $results[0]['cache_value'];
$return = json_decode($return, true);
$return = isset($return['data']) ? $return['data'] : array();
}
return $return;
}
/**
* Get all available caches from the feed cache table.
*
* @return array
*
* @since 6.0
*/
private function query_feed_caches()
{
$feed_cache = wp_cache_get($this->get_wp_cache_key());
if (false === $feed_cache) {
global $wpdb;
$cache_table_name = $wpdb->prefix . self::CACHES_TABLE_NAME;
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared -- Table name is safely constructed from $wpdb->prefix
$sql = $wpdb->prepare(
"
SELECT * FROM $cache_table_name
WHERE feed_id = %s",
$this->feed_id
);
$feed_cache = $wpdb->get_results($sql, ARRAY_A);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared
wp_cache_set($this->get_wp_cache_key(), $feed_cache);
}
return $feed_cache;
}
/**
* Delete the wp_cache
*
* @since 6.0
*/
private function clear_wp_cache()
{
wp_cache_delete($this->get_wp_cache_key());
}
/**
* Clear the Customizer posts cache when regular cache is updated.
*
* This prevents stale empty cache in Customizer when posts are fetched
* after the Customizer was already opened (race condition fix).
*
* @since 2.4.5
*/
private function clear_customizer_posts_cache()
{
global $wpdb;
$cache_table_name = $wpdb->prefix . self::CACHES_TABLE_NAME;
$customizer_feed_id = $this->feed_id . '_CUSTOMIZER';
// Clear standard Customizer cache
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Table name is safely constructed from $wpdb->prefix
$wpdb->query(
$wpdb->prepare(
"UPDATE $cache_table_name
SET cache_value = ''
WHERE feed_id = %s
AND cache_key = 'posts'",
$customizer_feed_id
)
);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
// Clear MODMODE Customizer caches (with any offset)
$mod_mode_pattern = esc_sql((string) $this->feed_id) . '_CUSTOMIZER_MODMODE%';
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Table name is safely constructed from $wpdb->prefix
$wpdb->query(
$wpdb->prepare(
"UPDATE $cache_table_name
SET cache_value = ''
WHERE feed_id LIKE %s
AND cache_key = 'posts'",
$mod_mode_pattern
)
);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
// Also clear WP object cache for the Customizer feed
wp_cache_delete(self::CACHE_KEY . $customizer_feed_id . '_');
}
/**
* Key used to get the wp cache key
*
* @return string
*
* @since 6.0
*/
private function get_wp_cache_key()
{
return self::CACHE_KEY . $this->feed_id . '_' . $this->suffix;
}
/**
* Add suffix to cache keys used in the customizer
*
* @return string
*
* @since 6.0
*/
private function maybe_customizer_suffix()
{
$additional_suffix = '';
// phpcs:ignore WordPress.Security.NonceVerification.Missing,WordPress.Security.NonceVerification.Recommended -- Used only for cache key generation
$in_customizer = ! empty($_POST['previewSettings']) || ( isset($_GET['page']) && $_GET['page'] === 'sbr' );
if ($in_customizer) {
$additional_suffix .= '_CUSTOMIZER';
// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Used only for cache key generation
if (! empty($_POST['moderationShoppableMode'])) {
$additional_suffix .= '_MODMODE';
// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Used only for cache key generation
$offset = ! empty($_POST['moderationShoppableModeOffset']) ? intval($_POST['moderationShoppableModeOffset']) : '';
$additional_suffix .= $offset;
}
}
return $additional_suffix;
}
public function update_last_updated()
{
global $wpdb;
$cache_table_name = $wpdb->prefix . self::CACHES_TABLE_NAME;
$data = array();
$format = array();
$where_format = array();
$data['last_updated'] = date('Y-m-d H:i:s');
$format[] = '%s';
$where['feed_id'] = $this->feed_id;
$where_format[] = '%s';
$where['cache_key'] = 'posts';
$where_format[] = '%s';
$affected = $wpdb->update($cache_table_name, $data, $where, $format, $where_format);
$data = array();
$format = array();
$where_format = array();
$data['last_updated'] = date('Y-m-d H:i:s');
$format[] = '%s';
$where['feed_id'] = $this->feed_id;
$where_format[] = '%s';
$where['cache_key'] = 'header';
$where_format[] = '%s';
$affected = $wpdb->update($cache_table_name, $data, $where, $format, $where_format);
return $affected;
}
/**
* Get active/all cache count.
*
* @param bool $active when set to true only items updated in the last months are returned.
*
* @return int
*/
public function get_cache_count($active = false)
{
global $wpdb;
$cache_table_name = $wpdb->prefix . self::CACHES_TABLE_NAME;
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Table name is safely constructed from $wpdb->prefix
$query = "SELECT COUNT(DISTINCT feed_id, cache_key) as cache_count FROM $cache_table_name WHERE feed_id Not Like '%_CUSTOMIZER%'";
if ($active === true) {
$query .= " AND feed_id Not Like '%_MODMODE%' AND last_updated >= DATE_SUB(NOW(), INTERVAL 1 MONTH)";
}
// phpcs:disable WordPress.DB.PreparedSQL.NotPrepared -- Query is safely constructed above
$sql = $wpdb->prepare($query);
$caches = $wpdb->get_results($sql);
// phpcs:enable WordPress.DB.PreparedSQL.NotPrepared
if (! empty($caches)) {
return $caches[0]->cache_count;
}
return 0;
}
}