public function DataComparison::process in Business Rules 8

Same name and namespace in other branches

1. 2.x src/Plugin/BusinessRulesCondition/DataComparison.php \Drupal\business_rules\Plugin\BusinessRulesCondition\DataComparison::process()

Process the condition.

Parameters

\Drupal\business_rules\ConditionInterface $condition: The configured condition.

\Drupal\business_rules\Events\BusinessRulesEvent $event: The event that has triggered the condition.

Return value

bool Boolean value that indicates if the condition is true.

Overrides BusinessRulesConditionPlugin::process

File

src/Plugin/BusinessRulesCondition/DataComparison.php, line 112

Class

DataComparison

Class DataComparison.

Namespace

Drupal\business_rules\Plugin\BusinessRulesCondition

Code

public function process(ConditionInterface $condition, BusinessRulesEvent $event) {

  /** @var \Drupal\Core\Entity\Entity $entity */
  $field = $condition
    ->getSettings('field');
  $operator = $condition
    ->getSettings('operator');
  $variables = $event
    ->getArgument('variables');
  $values_to_compare = explode(chr(10), $condition
    ->getSettings('value_to_compare'));
  $values_to_compare = $this
    ->processInternalVariables($values_to_compare, $variables);
  $data_to_compare = $condition
    ->getSettings('data_to_compare');
  if ($data_to_compare == self::CURRENT_DATA) {
    $entity = $event
      ->getArgument('entity');
  }
  elseif ($data_to_compare == self::ORIGINAL_DATA) {
    $entity = $event
      ->getArgument('entity_unchanged');
  }
  $values = $entity
    ->get($field)
    ->getValue();
  if (count($values)) {
    foreach ($values as $value) {
      foreach ($values_to_compare as $compare) {
        return $this
          ->compare($value, $compare, $operator);
      }
    }
  }
  elseif ($operator == 'empty') {
    foreach ($values_to_compare as $compare) {
      return $this
        ->compare([
        'value' => '',
      ], $compare, $operator);
    }
  }
  return FALSE;
}