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<?php | |
/** | |
* @file | |
* Contains \Drupal\user\Plugin\Condition\UserRole. | |
*/ | |
namespace Drupal\user\Plugin\Condition; | |
use Drupal\Core\Condition\ConditionPluginBase; | |
use Drupal\Core\Form\FormStateInterface; | |
/** | |
* Provides a 'User Role' condition. | |
* | |
* @Condition( | |
* id = "user_role", | |
* label = @Translation("User Role"), | |
* context = { | |
* "user" = @ContextDefinition("entity:user", label = @Translation("User")) | |
* } | |
* ) | |
* | |
*/ | |
class UserRole extends ConditionPluginBase { | |
/** | |
* {@inheritdoc} | |
*/ | |
public function buildConfigurationForm(array $form, FormStateInterface $form_state) { | |
$form['roles'] = array( | |
'#type' => 'checkboxes', | |
'#title' => $this->t('When the user has the following roles'), | |
'#default_value' => $this->configuration['roles'], | |
'#options' => array_map('\Drupal\Component\Utility\Html::escape', user_role_names()), | |
'#description' => $this->t('If you select no roles, the condition will evaluate to TRUE for all users.'), | |
); | |
return parent::buildConfigurationForm($form, $form_state); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function defaultConfiguration() { | |
return array( | |
'roles' => array(), | |
) + parent::defaultConfiguration(); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function submitConfigurationForm(array &$form, FormStateInterface $form_state) { | |
$this->configuration['roles'] = array_filter($form_state->getValue('roles')); | |
parent::submitConfigurationForm($form, $form_state); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function summary() { | |
// Use the role labels. They will be sanitized below. | |
$roles = array_intersect_key(user_role_names(), $this->configuration['roles']); | |
if (count($roles) > 1) { | |
$roles = implode(', ', $roles); | |
} | |
else { | |
$roles = reset($roles); | |
} | |
if (!empty($this->configuration['negate'])) { | |
return $this->t('The user is not a member of @roles', array('@roles' => $roles)); | |
} | |
else { | |
return $this->t('The user is a member of @roles', array('@roles' => $roles)); | |
} | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function evaluate() { | |
if (empty($this->configuration['roles']) && !$this->isNegated()) { | |
return TRUE; | |
} | |
$user = $this->getContextValue('user'); | |
return (bool) array_intersect($this->configuration['roles'], $user->getRoles()); | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function getCacheContexts() { | |
// Optimize cache context, if a user cache context is provided, only use | |
// user.roles, since that's the only part this condition cares about. | |
$contexts = []; | |
foreach (parent::getCacheContexts() as $context) { | |
$contexts[] = $context == 'user' ? 'user.roles' : $context; | |
} | |
return $contexts; | |
} | |
} |