public function MaestroFormApprovalExampleUninstallValidator::validate in Maestro 3.x

Same name in this branch

1. 3.x modules/examples/maestro_form_approval_example/src/MaestroFormApprovalExampleUninstallValidator.php \Drupal\maestro_form_approval_example\MaestroFormApprovalExampleUninstallValidator::validate()
2. 3.x modules/examples/maestro_form_approval_example/src/ProxyClass/MaestroFormApprovalExampleUninstallValidator.php \Drupal\maestro_form_approval_example\ProxyClass\MaestroFormApprovalExampleUninstallValidator::validate()

Same name and namespace in other branches

1. 8.2 modules/examples/maestro_form_approval_example/src/MaestroFormApprovalExampleUninstallValidator.php \Drupal\maestro_form_approval_example\MaestroFormApprovalExampleUninstallValidator::validate()

Determines the reasons a module can not be uninstalled.

Parameters

string $module: A module name.

Return value

string[] An array of reasons the module can not be uninstalled, empty if it can. Each reason should not end with any punctuation since multiple reasons can be displayed together.

Overrides ModuleUninstallValidatorInterface::validate

See also

template_preprocess_system_modules_uninstall()

File

modules/examples/maestro_form_approval_example/src/MaestroFormApprovalExampleUninstallValidator.php, line 31

Class

MaestroFormApprovalExampleUninstallValidator

Prevents example task module from being uninstalled when the task is bound in a template.

Namespace

Drupal\maestro_form_approval_example

Code

public function validate($module) {
  $reasons = [];
  if ($module == 'maestro_form_approval_example') {

    // Search for any node content of type "approval_form".
    $query = \Drupal::entityQuery('node')
      ->condition('type', 'approval_form');
    $nids = $query
      ->execute();
    if ($nids) {
      $reasons[] = $this
        ->t('Uninstalling the module will orphan the Approval Form content.');
      $url = Url::fromRoute('system.admin_content', [
        'status' => 'All',
        'type' => 'approval_form',
      ]);
      $link = Link::fromTextAndUrl($this
        ->t('Click here to remove Approval Form content.'), $url);
      $reasons[] = $link;
    }

    // Now detect if this task still has open tasks...
    $query = \Drupal::entityQuery('maestro_process')
      ->condition('template_id', 'form_approval_flow')
      ->condition('complete', '0');
    $pids = $query
      ->execute();
    if ($pids) {
      $reasons[] = $this
        ->t('There are active Form Approval Flow processes.  Complete or delete the open processes before uninstalling.');
    }
  }
  return $reasons;
}