function prepare_items()
{
$this->_column_headers = array($this->get_columns(), array(), array());
$post = get_post($_REQUEST['post']);
$course = \Ekko\Core\CoursePostType::singleton()->get_course($post);
$hub = \Ekko\Core\Services\Hub::singleton();
$thekey = \Ekko\Core\Services\TheKey::singleton();
$this->items = array();
$enrolled = $hub->get_enrolled($course->course_ID);
$course->set_transient('enrolled_users', $enrolled, 15 * MINUTE_IN_SECONDS);
foreach ($enrolled as $guid) {
$user = $thekey->get_user_by_guid($guid);
if ($user instanceof \WP_User) {
$this->items[] = $user;
} else {
if ($attributes = $thekey->get_user_attributes_by_guid($guid)) {
$user = $thekey->create_user($attributes->guid, array('user_login' => $attributes->email, 'user_email' => $attributes->email, 'first_name' => $attributes->firstName, 'last_name' => $attributes->lastName, 'display_name' => "{$attributes->firstName} {$attributes->lastName}", 'nickname' => ''));
if ($user instanceof \WP_User) {
$this->items[] = $user;
}
}
}
}
$this->set_pagination_args(array('total_items' => count($this->items), 'per_page' => 10, 'total_pages' => ceil(count($this->items) / 10)));
}
/**
* Return a valid Ekko Hub session ID
*
* @param bool $superuser
*
* @return string
*/
public function get_session($superuser = false)
{
$user = $superuser ? \Ekko\Core\Services\TheKey::singleton()->get_user_by_guid(\Ekko\GUID_SUPER_ADMIN) : wp_get_current_user();
//Retrieve session from WordPress user meta
$session = \GTO\Framework\Util\User::get_user_transient($user->ID, self::TRANSIENT_SESSION);
//Return session ID if session is valid
if ($session && $session !== false) {
return $session;
}
//Session was not valid, fetch a new session ID from the Ekko Hub
$err_code = null;
$err_msg = null;
$ticket = $superuser ? \Ekko\Core\Services\TheKey::singleton()->get_ticket($this->get_service(), \Ekko\OAUTH_REFRESH_TOKEN) : \Ekko\Core\Services\TheKey::singleton()->cas_client()->retrievePT($this->get_service(), $err_code, $err_msg);
$response = wp_remote_post(\GTO\Framework\Util\String::vnsprintf(self::ENDPOINT_LOGIN, array('hub' => \Ekko\URI_HUB)), array('redirection' => 0, 'headers' => array('Accept' => 'application/json'), 'body' => array('ticket' => $ticket)));
if ($this->is_response_OK($response) && ($json = json_decode($response['body'], true))) {
//Store the new Session into the WordPress user meta
\GTO\Framework\Util\User::set_user_transient($user->ID, self::TRANSIENT_SESSION, $json['id'], 5 * \HOUR_IN_SECONDS);
//Return the Session ID
return $session;
}
return false;
}