<?php
/**
* Rule processor that negates the rules in the rule's operand.
*/
namespace Automattic\WooCommerce\Admin\RemoteInboxNotifications;
defined( 'ABSPATH' ) || exit;
/**
* Rule processor that negates the rules in the rule's operand.
*/
class NotRuleProcessor implements RuleProcessorInterface {
/**
* The rule evaluator to use.
*
* @var RuleEvaluator
*/
protected $rule_evaluator;
/**
* Constructor.
*
* @param RuleEvaluator $rule_evaluator The rule evaluator to use.
*/
public function __construct( $rule_evaluator = null ) {
$this->rule_evaluator = null === $rule_evaluator
? new RuleEvaluator()
: $rule_evaluator;
}
/**
* Evaluates the rules in the operand and negates the result.
*
* @param object $rule The specific rule being processed by this rule processor.
* @param object $stored_state Stored state.
*
* @return bool The result of the operation.
*/
public function process( $rule, $stored_state ) {
$evaluated_operand = $this->rule_evaluator->evaluate(
$rule->operand,
$stored_state
);
return ! $evaluated_operand;
}
/**
* Validates the rule.
*
* @param object $rule The rule to validate.
*
* @return bool Pass/fail.
*/
public function validate( $rule ) {
if ( ! isset( $rule->operand ) ) {
return false;
}
return true;
}
}