PHP Class for Facebook API handle

FacebookCustom.php

<?php

/**
 * Class for Ajax request and response data structure
 * @author Jose Luis Quintana <joseluisquintana20@gmail.com>
 */
class FacebookCustom {

    private $env;
    private $app_id;
    private $app_secret;
    private $app_scope;
    private $app_uri;
    private $app_fb_uri;
    private $facebook;

    /**
     * 
     * @param type $app_id
     * @param type $app_secret
     * @param type $app_uri
     * @param type $app_scope
     * @param type $env
     */
    function __construct($app_id = '', $app_secret = '', $app_fb_uri = '', $app_uri = '', $app_scope = 'email', $env = 'development') {
        $this->env = $env;
        $this->app_id = $app_id;
        $this->app_secret = $app_secret;
        $this->app_scope = $app_scope;
        $this->app_fb_uri = $app_fb_uri;
        $this->app_uri = $app_uri;
    }

    /**
     * Initialize the Facebook library
     */
    function initialize() {
        require_once 'facebook/Facebook.php';

        $this->facebook = new Facebook(array(
            'appId' => $this->app_id,
            'secret' => $this->app_secret,
            'cookie' => TRUE,
            'grant_type' => 'client_credentials'
        ));
    }

    /**
     * Set the environment for application
     * @param string $env 'development' || 'production'
     */
    function setEnvironment($env = 'development') {
        $this->env = $env;
    }

    /**
     * Set the app facebook id
     * @param string $app_id
     */
    function setAppId($app_id) {
        $this->app_id = $app_id;
    }

    /**
     * Set the app facebook secret
     * @param string $app_secret
     */
    function setAppSecret($app_secret) {
        $this->app_secret = $app_secret;
    }

    /**
     * Set the app facebook scope
     * @param string $app_scope For examle: email, publish_stream, etc
     */
    function setAppScope($app_scope = 'email') {
        $this->app_scope = $app_scope;
    }

    /**
     * Set the app facebook url
     * @param string $app_fb_uri
     */
    function setAppFbUri($app_fb_uri) {
        $this->app_fb_uri = $app_fb_uri;
    }

    /**
     * Set the app url
     * @param string $app_uri
     */
    function setAppUri($app_uri) {
        $this->app_uri = $app_uri;
    }

    /**
     * Gets the Facebook class
     * @return Facebook
     */
    function getSDK() {
        return $this->facebook;
    }

    /**
     * Gets user facebook profile
     * @return Array
     */
    function getProfile() {
        $user_profile = NULL;

        if ($this->env === 'development') {
            $user_profile = array(
                'id' => '223230109915511',
                'email' => 'john.doe@company.com',
                'first_name' => 'John',
                'gender' => 'male',
                'last_name' => 'Doe',
                'link' => 'https://www.facebook.com/app_scoped_user_id/223230109915511/',
                'locale' => 'en_US',
                'name' => 'John Doe',
                'timezone' => -5,
                'updated_time' => '2014-06-04T03:19:28+0000',
                'verified' => 1
            );
        } else {
            $user = $this->facebook->getUser();

            if ($user) {
                $user_profile = $this->facebook->api('/me');
            }
        }

        return $user_profile;
    }

    /**
     * Redirect for authentication UI.
     * @param string $redirection_mode 'iframe' || 'window'
     */
    function auth($redirection_mode = 'iframe') {
        $login_url = $this->getLoginUrl();
        $level = ($redirection_mode === 'iframe') ? '.top' : '';

        echo "Espere por favor.."
        . "<script type='text/javascript'>(function(w){w{$level}.location.href='{$login_url}';})(window);</script>";
        exit;
    }

    /**
     * Gets Facebook Auth url
     * @return string
     */
    function getLoginUrl() {
        $login_url = $this->facebook->getLoginUrl(array(
            'scope' => $this->app_scope,
            'redirect_uri' => $this->app_uri
        ));

        return $login_url;
    }

    /**
     * Send facebook notification
     * @param type $url
     * @param type $user_id
     * @return Array
     */
    function sendNotification($user_id, $url, $template) {
        $post = $this->api('/' . $user_id . '/notifications/', 'post', array(
            'access_token' => $this->app_id . '|' . $this->app_secret,
            'href' => $url,
            'template' => $template,
            'ref' => 'Notificación enviada a las ' . date("Y-m-d G:i:s") //this is for Facebook's insight
        ));

        return $post;
    }

}