function Date::validateExposed

Overrides Date::validateExposed

File

core/modules/datetime/src/Plugin/views/filter/Date.php, line 106

Class

Date

Date/time views filter.

Namespace

Code

public function validateExposed(&$form, FormStateInterface $form_state) : void {
  // Do not validate value if filter is not exposed or grouped.
  if (empty($this->options['exposed']) || $this->options['is_grouped']) {
    return;
  }
  $identifier = $this->options['expose']['identifier'];
  $input = $form_state->getValue($identifier);
  $values = [];
  if (is_array($input)) {
    if (!empty($input['value'])) {
      $values[] = $input['value'];
    }
    else {
      if (!empty($input['min'])) {
        $values[] = $input['min'];
      }
      if (!empty($input['max'])) {
        $values[] = $input['max'];
      }
    }
  }
  elseif (!empty($input)) {
    $values[] = $input;
  }
  foreach ($values as $value) {
    try {
      (new DrupalDateTime($value))->getTimestamp();
    } catch (\Throwable) {
      if (isset($form[$identifier])) {
        $field =& $form[$identifier];
      }
      elseif (isset($form[$identifier . '_wrapper'])) {
        $field =& $form[$identifier . '_wrapper'];
      }
      if (isset($field)) {
        // Set the form error message.
        $form_state->setError($field, $this->t('Invalid date format.'));
      }
    }
  }
}