public function ModulesListForm::submitForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/system/src/Form/ModulesListForm.php \Drupal\system\Form\ModulesListForm::submitForm()

Form submission handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormInterface::submitForm

File

core/modules/system/src/Form/ModulesListForm.php, line 435

Class

ModulesListForm

Provides module installation interface.

Namespace

Drupal\system\Form

Code

public function submitForm(array &$form, FormStateInterface $form_state) {

  // Retrieve a list of modules to install and their dependencies.
  $modules = $this
    ->buildModuleList($form_state);

  // Redirect to a confirmation form if needed.
  if (!empty($modules['experimental']) || !empty($modules['dependencies'])) {
    $route_name = !empty($modules['experimental']) ? 'system.modules_list_experimental_confirm' : 'system.modules_list_confirm';

    // Write the list of changed module states into a key value store.
    $account = $this
      ->currentUser()
      ->id();
    $this->keyValueExpirable
      ->setWithExpire($account, $modules, 60);

    // Redirect to the confirmation form.
    $form_state
      ->setRedirect($route_name);

    // We can exit here because at least one modules has dependencies
    // which we have to prompt the user for in a confirmation form.
    return;
  }

  // Install the given modules.
  if (!empty($modules['install'])) {
    try {
      $this->moduleInstaller
        ->install(array_keys($modules['install']));
      $module_names = array_values($modules['install']);
      $this
        ->messenger()
        ->addStatus($this
        ->formatPlural(count($module_names), 'Module %name has been enabled.', '@count modules have been enabled: %names.', [
        '%name' => $module_names[0],
        '%names' => implode(', ', $module_names),
      ]));
    } catch (PreExistingConfigException $e) {
      $config_objects = $e
        ->flattenConfigObjects($e
        ->getConfigObjects());
      $this
        ->messenger()
        ->addError($this
        ->formatPlural(count($config_objects), 'Unable to install @extension, %config_names already exists in active configuration.', 'Unable to install @extension, %config_names already exist in active configuration.', [
        '%config_names' => implode(', ', $config_objects),
        '@extension' => $modules['install'][$e
          ->getExtension()],
      ]));
      return;
    } catch (UnmetDependenciesException $e) {
      $this
        ->messenger()
        ->addError($e
        ->getTranslatedMessage($this
        ->getStringTranslation(), $modules['install'][$e
        ->getExtension()]));
      return;
    }
  }
}