Executes the plugin.

Parameters

mixed $value: The input value.

string $target_type: The target type the value should be converted into.

string $rounding_behavior: The behavior for rounding.

File

src/Plugin/RulesAction/DataConvert.php, line 67

Class

DataConvert

Provides an action to convert data from one type to another.

Namespace

Drupal\rules\Plugin\RulesAction

Code

protected function doExecute($value, $target_type, $rounding_behavior = NULL) {
  // @todo Add support for objects implementing __toString().
  if (!is_scalar($value)) {
    throw new InvalidArgumentException('Only scalar values are supported.');
  }
  // Ensure valid contexts have been provided.
  // @todo check how this works. May need to use !empty to allow the selection
  // list to be used and give an empty value?
  if (isset($rounding_behavior) && $target_type != 'integer') {
    throw new InvalidArgumentException('A rounding behavior only makes sense with an integer target type.');
  }
  // First apply the rounding behavior if given.
  if (!empty($rounding_behavior)) {
    switch ($rounding_behavior) {
      case 'up':
        $value = ceil($value);
        break;

      case 'down':
        $value = floor($value);
        break;

      case 'round':
        $value = round($value);
        break;

      default:
        throw new InvalidArgumentException("Unknown rounding behavior: {$rounding_behavior}");
    }
  }
  switch ($target_type) {
    case 'float':
      $result = floatval($value);
      break;

    case 'integer':
      $result = intval($value);
      break;

    case 'string':
      $result = strval($value);
      break;

    default:
      throw new InvalidArgumentException("Unknown target type: {$target_type}");
  }
  $this->setProvidedValue('conversion_result', $result);
}