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<?php
namespace Automattic\WooCommerce\Caches;
use Automattic\WooCommerce\Internal\Features\FeaturesController;
use Automattic\WooCommerce\Utilities\OrderUtil;
/**
* A class to control the usage of the orders cache.
*/
class OrderCacheController {
/**
* The orders cache to use.
*
* @var OrderCache
*/
private $order_cache;
/**
* The orders cache to use.
*
* @var FeaturesController
*/
private $features_controller;
/**
* The backup value of the cache usage enable status, stored while the cache is temporarily disabled.
*
* @var null|bool
*/
private $orders_cache_usage_backup = null;
/**
* Class initialization, invoked by the DI container.
*
* @internal
* @param OrderCache $order_cache The order cache engine to use.
*/
final public function init( OrderCache $order_cache ) {
$this->order_cache = $order_cache;
}
/**
* Whether order cache usage is enabled. Currently, linked to custom orders' table usage.
*
* @return bool True if the order cache is enabled.
*/
public function orders_cache_usage_is_enabled(): bool {
return OrderUtil::custom_orders_table_usage_is_enabled();
}
/**
* Temporarily disable the order cache if it's enabled.
*
* This is a purely in-memory operation: a variable is created with the value
* of the current enable status for the feature, and this variable
* is checked by orders_cache_usage_is_enabled. In the next request the
* feature will be again enabled or not depending on how the feature is set.
*/
public function temporarily_disable_orders_cache_usage(): void {
if ( $this->orders_cache_usage_is_temporarly_disabled() ) {
return;
}
$this->orders_cache_usage_backup = $this->orders_cache_usage_is_enabled();
}
/**
* Check if the order cache has been temporarily disabled.
*
* @return bool True if the order cache is currently temporarily disabled.
*/
public function orders_cache_usage_is_temporarly_disabled(): bool {
return null !== $this->orders_cache_usage_backup;
}
/**
* Restore the order cache usage that had been temporarily disabled.
*/
public function maybe_restore_orders_cache_usage(): void {
$this->orders_cache_usage_backup = null;
}
}
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