public function Rule::evaluateConditions in RNG - Events and Registrations 8

Same name and namespace in other branches

1. 8.2 src/Entity/Rule.php \Drupal\rng\Entity\Rule::evaluateConditions()
2. 3.x src/Entity/Rule.php \Drupal\rng\Entity\Rule::evaluateConditions()

Evaluates all conditions on the rule.

Parameters

array $context_values: Context to pass to conditions. Keyed by context name.

Return value

bool Whether all conditions evaluate true.

Throws

\Drupal\Component\Plugin\Exception\ContextException If a context value is missing for any condition.

Overrides RuleInterface::evaluateConditions

File

src/Entity/Rule.php, line 120

Class

Rule

Defines the event rule entity.

Namespace

Drupal\rng\Entity

Code

public function evaluateConditions($context_values = []) {
  $success = 0;
  $conditions = $this
    ->getConditions();

  // Counts successfully loaded condition plugins:
  $count = 0;
  foreach ($conditions as $component) {
    if (($condition = $component
      ->createInstance()) !== NULL) {
      $count++;
    }
    $context_definitions = $condition
      ->getContextDefinitions();
    foreach ($context_values as $name => $value) {
      if (isset($context_definitions[$name])) {
        $condition
          ->setContextValue($name, $value);
      }
    }
    if ($condition
      ->evaluate()) {
      $success++;
    }
    else {

      // Cancel evaluating remaining conditions.
      return FALSE;
    }
  }
  return $success == count($conditions) && $count == count($conditions);
}