/**
* Sync the connected Facebook user.
*
* If User is logged in:
* a. but doesn't have a facebook account associated, try to associate it.
*
* If User is not logged in:
* b. but have a facebook account associated, try to log the user in.
* c. and doesn't have a facebook account associated,
* 1. try to automatically create an account and associate it (if $this->createUser).
* 2. try to log the user in, afterwards.
*
* @return boolean True if successful, false otherwise.
*/
private function __syncFacebookUser()
{
if (!isset($this->Controller->Auth)) {
return false;
}
// set Auth to a convenience publiciable
$Auth = $this->Controller->Auth;
if (!$this->__initUserModel()) {
return false;
}
// if you don't have a facebook_id field in your user table, throw an error
if (!$this->User->hasField('facebook_id')) {
$this->__error("Facebook.Connect handleFacebookUser Error. facebook_id not found in {$Auth->userModel} table.");
return false;
}
// check if the user already has an account
// User is logged in but doesn't have a
if ($Auth->user('id')) {
$this->hasAccount = true;
$this->User->id = $Auth->user($this->User->primaryKey);
if (!$this->User->field('facebook_id')) {
$this->User->saveField('facebook_id', $this->uid);
}
return true;
} else {
// attempt to find the user by their facebook id
$this->authUser = $this->User->findByFacebookId($this->uid);
//if we have a user, set hasAccount
if (!empty($this->authUser)) {
$this->hasAccount = true;
} elseif (empty($this->authUser) && $this->createUser) {
$this->authUser[$this->User->alias]['facebook_id'] = $this->uid;
$this->authUser[$this->User->alias][$this->modelFields['password']] = $Auth->password(FacebookInfo::randPass());
if ($this->__runCallback('beforeFacebookSave')) {
$this->hasAccount = $this->User->save($this->authUser, array('validate' => false));
} else {
$this->authUser = null;
}
}
//Login user if we have one
if ($this->authUser) {
$this->__runCallback('beforeFacebookLogin', $this->authUser);
$Auth->authenticate = array('Form' => array('fields' => array('username' => 'facebook_id', 'password' => $this->modelFields['password'])));
if ($Auth->login($this->authUser[$this->model])) {
$this->__runCallback('afterFacebookLogin');
}
}
return true;
}
}
