/**
* {@inheritdoc}
*/
public function blockForm($form, FormStateInterface $form_state)
{
$anononymous = new AnonymousUserSession();
$form['list_size'] = ['#type' => 'number', '#title' => $this->t('Number of users to display in the list'), '#default_value' => $this->configuration['list_size'], '#min' => 1, '#max' => 50];
$form['include_anon'] = ['#type' => 'checkbox', '#title' => $this->t('Include %anonymous', ['%anonymous' => $anononymous->getUsername()]), '#default_value' => $this->configuration['include_anon']];
$form['show_form'] = ['#type' => 'checkbox', '#title' => $this->t('Allow entering any user name'), '#default_value' => $this->configuration['show_form']];
return $form;
}
/**
* Provides the Switch user list.
*/
public function switchUserList()
{
$list_size = $this->configuration['list_size'];
$include_anon = $this->configuration['include_anon'];
$anon = new AnonymousUserSession();
$links = array();
if ($this->currentUser->hasPermission('switch users')) {
if ($include_anon) {
--$list_size;
}
$dest = $this->redirectDestination->getAsArray();
// Try to find at least $list_size users that can switch.
// Inactive users are omitted from all of the following db selects.
$roles = user_roles(TRUE, 'switch users');
$query = db_select('users', 'u');
$query->join('users_field_data', 'ufd');
$query->addField('u', 'uid');
$query->addField('ufd', 'access');
$query->distinct();
$query->condition('u.uid', 0, '>');
$query->condition('ufd.status', 0, '>');
$query->orderBy('ufd.access', 'DESC');
$query->range(0, $list_size);
if (!isset($roles[DRUPAL_AUTHENTICATED_RID])) {
$query->leftJoin('users_roles', 'r', 'u.uid = r.uid');
$or_condition = db_or();
$or_condition->condition('u.uid', 1);
if (!empty($roles)) {
$or_condition->condition('r.rid', array_keys($roles), 'IN');
}
$query->condition($or_condition);
}
$uids = $query->execute()->fetchCol();
$accounts = user_load_multiple($uids);
foreach ($accounts as $account) {
$path = 'devel/switch/' . $account->name->value;
$links[$account->id()] = array('title' => user_format_name($account), 'href' => $path, 'query' => $dest + array('token' => $this->csrfTokenGenerator->get($path)), 'attributes' => array('title' => t('This user can switch back.')), 'html' => TRUE, 'last_access' => $account->access->value);
}
$num_links = count($links);
if ($num_links < $list_size) {
// If we don't have enough, add distinct uids until we hit $list_size.
$uids = db_query_range('SELECT u.uid FROM {users} u INNER JOIN {users_field_data} ufd WHERE u.uid > 0 AND u.uid NOT IN (:uids) AND ufd.status > 0 ORDER BY ufd.access DESC', 0, $list_size - $num_links, array(':uids' => array_keys($links)))->fetchCol();
$accounts = user_load_multiple($uids);
foreach ($accounts as $account) {
$path = 'devel/switch/' . $account->name->value;
$links[$account->id()] = array('title' => user_format_name($account), 'href' => $path, 'query' => $dest + array('token' => $this->csrfTokenGenerator->get($path)), 'attributes' => array('title' => t('Caution: this user will be unable to switch back.')), 'last_access' => $account->access->value);
}
uasort($links, '_devel_switch_user_list_cmp');
}
if ($include_anon) {
$path = 'devel/switch';
$link = array('title' => $anon->getUsername(), 'href' => $path, 'query' => $dest + array('token' => $this->csrfTokenGenerator->get($path)), 'attributes' => array('title' => t('Caution: the anonymous user will be unable to switch back.')));
if ($this->currentUser->hasPermission('switch users')) {
$link['title'] = SafeMarkup::placeholder($link['title']);
$link['attributes'] = array('title' => t('This user can switch back.'));
$link['html'] = TRUE;
}
$links[$anon->id()] = $link;
}
}
if (array_key_exists($uid = $this->currentUser->id(), $links)) {
$links[$uid]['title'] = '<strong>' . $links[$uid]['title'] . '</strong>';
}
return $links;
}
