/**
  * @param \Magento\Customer\Model\Customer $customer
  */
 public function disconnect(\Magento\Customer\Model\Customer $customer)
 {
     // TODO: Move to \Inchoo\SocialConnect\Model\Facebook\Info\User
     try {
         $this->_client->setAccessToken(unserialize($customer->getInchooSocialconnectFtoken()));
         $this->_client->api('/me/permissions', 'DELETE');
     } catch (Exception $e) {
     }
     $pictureFilename = $this->_storeManager->getStore()->getBaseUrl(\Magento\Framework\UrlInterface::URL_TYPE_MEDIA) . '/inchoo/socialconnect/facebook/' . $customer->getInchooSocialconnectFid();
     if (file_exists($pictureFilename)) {
         @unlink($pictureFilename);
     }
     $customer->setInchooSocialconnectFid(null)->setInchooSocialconnectFtoken(null)->save();
 }
 /**
  *
  * @param \StdClass $token Access token
  */
 public function setAccessToken(\StdClass $token)
 {
     $this->_client->setAccessToken($token);
 }