Drupal 8 Module Development - Second Edition

Static approach

The static approach involves creating a method on our Controller (or somewhere else), usually called access(), and referencing it from the route definition. So, inside our controller we can have this:

/** 
 * Handles the access checking. 
 * 
 * @param \Drupal\Core\Session\AccountInterface $account 
 * 
 * @return \Drupal\Core\Access\AccessResultInterface 
 */ 
public function access(AccountInterface $account) { 
  return in_array('editor', $account->getRoles()) ? AccessResult::forbidden() : AccessResult::allowed(); 
} 

And the new use statements:

use Drupal\Core\Access\AccessResult; 
use Drupal\Core\Session\AccountInterface;  

This method receives the current user's AccountInterface, which we can use to determine the roles. Moreover, if we ...