function CredentialForm::validateForm

Overrides FormBase::validateForm

File

core/modules/migrate_drupal_ui/src/Form/CredentialForm.php, line 261

Class

CredentialForm

Migrate Upgrade database credential form.

Namespace

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $connection = NULL;
  $source_connection = $form_state->getValue('source_connection');
  if ($source_connection) {
    $info = Database::getConnectionInfo($source_connection);
    $database = reset($info);
  }
  else {
    // Retrieve the database driver from the form, use reflection to get the
    // namespace, and then construct a valid database array the same as in
    // settings.php.
    $driver = $form_state->getValue('driver');
    $drivers = $this->getDatabaseTypes();
    $reflection = new \ReflectionClass($drivers[$driver]);
    $install_namespace = $reflection->getNamespaceName();
    $database = $form_state->getValue($driver);
    // Cut the trailing \Install from namespace.
    $database['namespace'] = substr($install_namespace, 0, strrpos($install_namespace, '\\'));
    $database['driver'] = $driver;
    // Validate the driver settings and just end here if we have any issues.
    if ($errors = $drivers[$driver]->validateDatabaseSettings($database)) {
      foreach ($errors as $name => $message) {
        $this->errors[$name] = $message;
      }
    }
  }
  // Check the connection with the source database.
  $error_key = $database['driver'] . '][database';
  if (!$this->errors) {
    try {
      $connection = $this->getConnection($database);
    } catch (\Exception $e) {
      $msg = $this->t('Failed to connect to your database server. The server reports the following message: %error.<ul><li>Is the database server running?</li><li>Does the database exist, and have you entered the correct database name?</li><li>Have you entered the correct username and password?</li><li>Have you entered the correct database hostname?</li></ul>', [
        '%error' => $e->getMessage(),
      ]);
      $this->errors[$error_key] = $msg;
    }
  }
  // Check that the source database is not the site database.
  if (!$this->errors) {
    $options = array_flip([
      'database',
      'host',
      'port',
      'prefix',
      'namespace',
    ]);
    $source = array_map('strval', array_intersect_key($connection->getConnectionOptions(), $options));
    $destination = array_map('strval', array_intersect_key(Database::getConnection()->getConnectionOptions(), $options));
    ksort($source);
    ksort($destination);
    if ($source === $destination) {
      $this->errors[$error_key] = $this->t('Enter credentials for the database of the Drupal site you want to upgrade, not the new site.');
    }
  }
  // Get the Drupal version of the source database so it can be validated.
  if (!$this->errors) {
    $version = (string) $this->getLegacyDrupalVersion($connection);
    if (!$version) {
      $this->errors[$error_key] = $this->t('Source database does not contain a recognizable Drupal version.');
    }
    elseif ($version !== (string) $form_state->getValue('version')) {
      $this->errors['version'] = $this->t('Source database is Drupal version @version but version @selected was selected.', [
        '@version' => $version,
        '@selected' => $form_state->getValue('version'),
      ]);
    }
  }
  // Setup migrations and save form data to private store.
  if (!$this->errors) {
    try {
      $this->setupMigrations($connection, $version, $database, $form_state);
    } catch (BadPluginDefinitionException $e) {
      // BadPluginDefinitionException occurs if the source_module is not
      // defined, which happens during testing.
      $this->errors[$error_key] = $e->getMessage();
    } catch (RequirementsException $e) {
      $this->errors[$error_key] = $e->getMessage();
    }
  }
  // Display all errors as a list of items.
  if ($this->errors) {
    $form_state->setError($form, $this->t('<h3>Resolve all issues below to continue the upgrade.</h3>'));
    foreach ($this->errors as $name => $message) {
      $form_state->setErrorByName($name, $message);
    }
  }
}