open-orchestra/open-orchestra-cms-bundle

<?php

namespace OpenOrchestra\Backoffice\Validator\Constraints;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use \OpenOrchestra\ModelInterface\Repository\RepositoryTrait\KeywordableTraitInterface;

/**
 * Class BooleanConditionValidator
 */
class BooleanConditionValidator extends ConstraintValidator
{
    /**
     * @param string     $value
     * @param Constraint $constraint
     */
    public function validate($value, Constraint $constraint)
    {
        if (false === $this->validateCondition($value)) {
            $this->context->buildViolation($constraint->message)
                 ->addViolation();
        }
    }

    /**
     * @param string $columnWidth
     *
     * @return bool
     */
    public function validateCondition($condition)
    {
        $is_boolean = true;
        if (!empty($condition)) {
            $encapsuledElements = array();
            preg_match_all(
                KeywordableTraitInterface::GET_BALANCED_BRACKETS,
                $condition,
                $encapsuledElements
            );
            if (count($encapsuledElements[0]) > 0) {
                foreach ($encapsuledElements[0] as $key => $encapsuledElement) {
                    $is_boolean = (preg_match(KeywordableTraitInterface::IS_AND_BOOLEAN, $encapsuledElements[1][$key]) ||
                        preg_match(KeywordableTraitInterface::IS_OR_BOOLEAN, $encapsuledElements[1][$key])) &&
                        $is_boolean;
                    $condition = preg_replace('/'.preg_quote($encapsuledElement).'/', '##', $condition, 1);
                    if (count($encapsuledElements[0]) > 0) {
                        $is_boolean = $is_boolean  && $this->validateCondition($condition);
                    }
                }
            } else {
                $is_boolean = (preg_match(KeywordableTraitInterface::IS_AND_BOOLEAN, $condition) ||
                    preg_match(KeywordableTraitInterface::IS_OR_BOOLEAN, $condition)) &&
                    $is_boolean;
            }
        }

        return $is_boolean;
    }
}