gistfile1.php

<?php

class MY_Controller extends Controller
{
	/**
	 * Data to send view
	 * @var array
	 */
	protected $data = array();
	
	public function  __construct() {
		parent::Controller();
		$this->load->library('Facebook_Client');
		$this->load->library('Layout');
		$this->load->model('User_model');
		$this->_fetchFlashData();
		

	}

	/**
	 * Render template file
	 * @param string $view
	 * @param bool $renderInLayout
	 */
	public function render($view, $renderInLayout = true)
	{
		if($renderInLayout)
			$this->layout->view($view, $this->data);
		else
			$this->load->view($view, $this->data);
	}

	/**
	 * Fetches flash data from session and creates variables for view layer
	 */
	private function _fetchFlashData()
	{
		$this->data['flash'] = array();
		$notice = $this->session->flashdata('notice');
		$success = $this->session->flashdata('success');
		$error = $this->session->flashdata('error');

		if($notice)
			$this->data['flash']['notice'] = $notice;

		if($success)
			$this->data['flash']['success'] = $success;

		if($error)
			$this->data['flash']['error'] = $error;

	}

	/**
	 * Checks user is logged in or not
	 * If it is logged in returns it's user id
	 */
	public function isLogin()
	{
		$userId = $this->session->userdata('user_id');
		return $userId;
	}

	/**
	 * Makes current user logged in
	 */
	public function beLoggedIn($userId)
	{
		$this->session->set_userdata('user_id', $userId);

		// Fetch facebook user information
		$fbUid = $this->facebook_client->getUid();
		$accessToken = $this->facebook_client->getAccessToken();
		$this->session->set_userdata('fb_uid', $fbUid);
		$this->session->set_userdata('access_token', $accessToken);
	}





	

}


?>