state = $state; $this->dateFormatter = $date_formatter; } /** * {@inheritdoc} */ public static function create(ContainerInterface $container) { return new static( $container->get('state'), $container->get('date.formatter'), $container->get('tempstore.private') ); } /** * {@inheritdoc} */ public function getFormId() { return 'migrate_drupal_ui_incremental_form'; } /** * {@inheritdoc} */ public function buildForm(array $form, FormStateInterface $form_state) { // Get all the data needed for this form. $date_performed = $this->state->get('migrate_drupal_ui.performed'); // If data is missing or this is the wrong step, start over. if (!$date_performed || $this->store->get('step') != 'incremental') { return $this->restartUpgradeForm(); } $form = parent::buildForm($form, $form_state); $form['#title'] = $this->t('Upgrade'); // @todo Add back support for rollbacks. // https://www.drupal.org/node/2687849 $form['upgrade_option_item'] = [ '#type' => 'item', '#prefix' => $this->t('An upgrade has already been performed on this site. To perform a new migration, create a clean and empty new install of Drupal 8. Rollbacks are not yet supported through the user interface. For more information, see the upgrading handbook.', [':url' => 'https://www.drupal.org/upgrade/migrate']), '#description' => $this->t('Last upgrade: @date', ['@date' => $this->dateFormatter->format($date_performed)]), ]; return $form; } /** * {@inheritdoc} */ public function validateForm(array &$form, FormStateInterface $form_state) { // Retrieve the database driver from state. $database_state_key = $this->state->get('migrate.fallback_state_key', ''); if ($database_state_key) { try { $database = $this->state->get($database_state_key, [])['database']; if ($connection = $this->getConnection($database)) { if ($version = $this->getLegacyDrupalVersion($connection)) { $this->setupMigrations($database, $form_state); $valid_legacy_database = TRUE; } } } catch (DatabaseExceptionWrapper $exception) { // Hide DB exceptions and forward to the DB credentials form. In that // form we can more properly display errors and accept new credentials. } } } /** * {@inheritdoc} */ public function submitForm(array &$form, FormStateInterface $form_state) { $this->store->set('step', 'credential'); $form_state->setRedirect('migrate_drupal_ui.upgrade_credential'); } /** * {@inheritdoc} */ public function getConfirmText() { return $this->t('Import new configuration and content from old site'); } }