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<?php
namespace Drupal\user\Plugin\views\field;
use Drupal\Core\Database\Connection;
use Drupal\views\Plugin\views\display\DisplayPluginBase;
use Drupal\views\ViewExecutable;
use Drupal\views\Plugin\views\field\PrerenderList;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Field handler to provide a list of roles.
*
* @ingroup views_field_handlers
*
* @ViewsField("user_roles")
*/
class Roles extends PrerenderList {
/**
* Database Service Object.
*
* @var \Drupal\Core\Database\Connection
*/
protected $database;
/**
* Constructs a Drupal\Component\Plugin\PluginBase object.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Database\Connection $database
* Database Service Object.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, Connection $database) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->database = $database;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container->get('database'));
}
/**
* {@inheritdoc}
*/
public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
parent::init($view, $display, $options);
$this->additional_fields['uid'] = ['table' => 'users_field_data', 'field' => 'uid'];
}
public function query() {
$this->addAdditionalFields();
$this->field_alias = $this->aliases['uid'];
}
public function preRender(&$values) {
$uids = [];
$this->items = [];
foreach ($values as $result) {
$uids[] = $this->getValue($result);
}
if ($uids) {
$roles = user_roles();
$result = $this->database->query('SELECT u.entity_id as uid, u.roles_target_id as rid FROM {user__roles} u WHERE u.entity_id IN ( :uids[] ) AND u.roles_target_id IN ( :rids[] )', [':uids[]' => $uids, ':rids[]' => array_keys($roles)]);
foreach ($result as $role) {
$this->items[$role->uid][$role->rid]['role'] = $roles[$role->rid]->label();
$this->items[$role->uid][$role->rid]['rid'] = $role->rid;
}
// Sort the roles for each user by role weight.
$ordered_roles = array_flip(array_keys($roles));
foreach ($this->items as &$user_roles) {
// Create an array of rids that the user has in the role weight order.
$sorted_keys = array_intersect_key($ordered_roles, $user_roles);
// Merge with the unsorted array of role information which has the
// effect of sorting it.
$user_roles = array_merge($sorted_keys, $user_roles);
}
}
}
public function render_item($count, $item) {
return $item['role'];
}
protected function documentSelfTokens(&$tokens) {
$tokens['{{ ' . $this->options['id'] . '__role' . ' }}'] = $this->t('The name of the role.');
$tokens['{{ ' . $this->options['id'] . '__rid' . ' }}'] = $this->t('The role machine-name of the role.');
}
protected function addSelfTokens(&$tokens, $item) {
if (!empty($item['role'])) {
$tokens['{{ ' . $this->options['id'] . '__role' . ' }}'] = $item['role'];
$tokens['{{ ' . $this->options['id'] . '__rid' . ' }}'] = $item['rid'];
}
}
}