public function validateForm(array &$form, FormStateInterface $form_state)
{
$collection_name = Html::escape($form['searchblox_collection']['#value']);
try {
$resp = searchblox_check_collection($collection_name);
// check weather
} catch (\Exception $e) {
$resp = $e->getMessage();
$form_state->setErrorByName('error', $this->t($resp));
}
if ($resp !== true) {
$form_state->setErrorByName('error', $this->t($resp));
}
}
public function submitForm(array &$form, FormStateInterface $form_state)
{
if (isset($form)) {
if (isset($form['#token'])) {
$collection_name = Html::escape($form['searchblox_collection']['#value']);
$resp = searchblox_check_collection($collection_name);
// check weather collection name is valid
if ($resp !== true) {
$form_state->setErrorByName($resp);
}
if ($resp) {
\Drupal::state()->set('searchblox_collection', $collection_name);
$response = new RedirectResponse(\Drupal::url('searchblox.step3'));
$response->send();
return;
}
}
}
}