File "class-popular-posts-cache.php"
Full Path: /home/zcziejy/ryadselyen/plugins/google-analytics-for-wordpress/lite/includes/popular-posts/class-popular-posts-cache.php
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<?php
/**
* This class is used for handling Popular Posts caching.
*
* @package MonsterInsights
*/
/**
* Class MonsterInsights_Popular_Posts_Cache
*/
class MonsterInsights_Popular_Posts_Cache {
/**
* Instance type (inline/widget/products).
*
* @var string
*/
public $type;
/**
* MonsterInsights_Popular_Posts_Cache constructor.
*
* @param string $type The instance type (inline/widget/products).
*/
public function __construct( $type ) {
$this->type = $type;
}
/**
* Build an unique key from the arguments so we can cache different instances.
* This way, the Gutenberg block or the sidebar widget get cached with their own query settings
* if they are different from the ones set in Vue.
*
* @param $args
*
* @return string
*/
public function get_args_key( $args ) {
return md5( wp_json_encode( $args ) );
}
/**
* Get the specific options key for the set type.
*
* @return string
*/
public function get_cache_key() {
return 'monsterinsights_popular_posts_cache_' . $this->type;
}
/**
* Get cached posts data and check expiration. Each query result is stored with the timestamp and that
* is used to compare to the current settings for expiration.
*
* @param array $args This is an array with query parameters for WP_Query used to identify if this query has been cached.
*
* @return array
*/
public function get_cached_posts( $args ) {
$cache_refresh_days = $this->get_cache_interval();
$cached_data = get_option( $this->get_cache_key(), array() );
$args_key = $this->get_args_key( $args ); // Generate an unique key based on the instance settings.
if ( isset( $cached_data[ $args_key ] ) && isset( $cached_data[ $args_key ]['saved_at'] ) ) {
$time_since = time() - $cached_data[ $args_key ]['saved_at'];
if ( $time_since < intval( $cache_refresh_days ) * DAY_IN_SECONDS ) {
return $cached_data[ $args_key ]['posts'];
} else {
// It's expired so let's delete it.
unset( $cached_data[ $args_key ] );
update_option( $this->get_cache_key(), $cached_data );
}
}
return array();
}
/**
* Get the option set in the settings for cache expiration.
*
* @return int
*/
private function get_cache_interval() {
$cache_refresh_days = monsterinsights_get_option( 'popular_posts_caching_refresh', 7 );
// If they downgraded and previously used a custom interval use the default 7 until the update the option.
if ( 'custom' === $cache_refresh_days ) {
$cache_refresh_days = 7;
}
return intval( $cache_refresh_days );
}
/**
* Store a query result in the cache along with the arguments used to grab them.
*
* @param array $args Arguments used in WP_Query used to build an unique key for the loaded data.
* @param array $posts An array of posts that resulted from the query to be saved in the cache.
*/
public function save_posts_to_cache( $args, $posts ) {
if ( empty( $posts ) ) {
// Don't save empty posts.
return;
}
$args_key = md5( wp_json_encode( $args ) ); // Generate an unique key based on the instance settings.
$cached_data = get_option( $this->get_cache_key(), array() );
$cached_data[ $args_key ] = array(
'saved_at' => time(),
'posts' => $posts,
);
update_option( $this->get_cache_key(), $cached_data );
}
/**
* Delete database option for cache.
*/
public function delete_data() {
delete_option( $this->get_cache_key() );
}
}