function facebook_login(&$vars)
{
extract($vars);
$app_id = environment('facebookAppId');
$consumer_key = environment('facebookKey');
$consumer_secret = environment('facebookSecret');
$agent = environment('facebookAppName') . " (curl)";
add_include_path(library_path());
add_include_path(library_path() . 'facebook-platform/php');
add_include_path(library_path() . 'facebook_stream');
require_once "facebook.php";
require_once "FacebookStream.php";
require_once "Services/Facebook.php";
$fb = new Facebook($consumer_key, $consumer_secret, true);
$_SESSION['fb_session'] = (string) $fb->api_client->session_key;
$_SESSION['fb_userid'] = (string) $fb->user;
$fs = new FacebookStream($consumer_key, $consumer_secret, $agent);
$fieldlist = array('last_name', 'first_name', 'pic_small', 'profile_blurb', 'profile_url', 'locale', 'name', 'proxied_email');
$fields = implode(',', $fieldlist);
$user = $fs->GetInfo($app_id, $_SESSION['fb_session'], $_SESSION['fb_userid'], $fields);
$values = array();
$values[] = str_replace(' ', '', strtolower((string) $user->user->name));
$values[] = (string) $user->user->pic_small;
$values[] = (string) $user->user->name;
$values[] = (string) $user->user->profile_blurb;
$values[] = (string) $user->user->profile_url;
$values[] = (string) $user->user->locale;
$Identity =& $db->model('Identity');
$Person =& $db->model('Person');
$FacebookUser =& $db->model('FacebookUser');
if (empty($prefix) && in_array('invites', $db->tables)) {
$Invite =& $db->model('Invite');
$result = $Invite->find_by('nickname', (string) $user->user->name);
if (!$result) {
trigger_error('Sorry, you have not been invited yet ' . environment('email_from'), E_USER_ERROR);
}
}
$faceuser = $FacebookUser->find_by('facebook_id', $_SESSION['fb_userid']);
// a) facebook user exists, does not have a profile_id
// b) facebook user exists, HAS a profile_id
// c) facebook user does not exist
if ($faceuser) {
if (!$faceuser->profile_id) {
$i = make_identity($values);
if (!$i) {
trigger_error('sorry I was unable to create an identity', E_USER_ERROR);
}
$faceuser->set_value('profile_id', $i->id);
$faceuser->save_changes();
if (!$faceuser) {
trigger_error('sorry I was unable to create a facebook user', E_USER_ERROR);
}
} else {
// b
$i = $Identity->find($faceuser->profile_id);
if (!$i) {
trigger_error('sorry I was unable to find the identity', E_USER_ERROR);
}
}
} else {
// c
$i = make_identity($values);
if (!$i) {
trigger_error('sorry I was unable to create an identity', E_USER_ERROR);
}
$faceuser = make_fb_user($user, $i->id);
if (!$faceuser) {
trigger_error('sorry I was unable to create a facebook user', E_USER_ERROR);
}
}
$_SESSION['fb_person_id'] = $i->person_id;
redirect_to($request->base);
//$fs->setStatus("nerding out with the latest Facebook API tools",$_SESSION['fb_userid']);
//$fs->StreamRequest( $app_id, $_SESSION['fb_session'], $_SESSION['fb_userid'] );
}
function add_facebook_user($data)
{
global $db;
$Identity =& $db->model('Identity');
$Person =& $db->model('Person');
$FacebookUser =& $db->model('FacebookUser');
$faceuser = $FacebookUser->find_by('facebook_id', $_SESSION['fb_userid']);
if ($faceuser) {
if (!$faceuser->profile_id) {
$i = make_identity($values);
if (!$i) {
trigger_error('sorry I was unable to create an identity', E_USER_ERROR);
}
$faceuser->set_value('profile_id', $i->id);
$faceuser->save_changes();
if (!$faceuser) {
trigger_error('sorry I was unable to create a facebook user', E_USER_ERROR);
}
} else {
$i = $Identity->find($faceuser->profile_id);
if (!$i) {
trigger_error('sorry I was unable to find the identity', E_USER_ERROR);
}
}
} else {
$i = make_identity($values);
if (!$i) {
trigger_error('sorry I was unable to create an identity', E_USER_ERROR);
}
$faceuser = make_fb_user($user, $i->id);
}
}
