public function getShare($id,$social)
    {
        $url = '';
        $post = \App\Blog::find($id);
        if($post == NULL){
            App::abort(404);
        }

        // add social point if it is not robot
        if (!isset($_SERVER['HTTP_USER_AGENT']) && !preg_match('/bot|crawl|slurp|spider/i', $_SERVER['HTTP_USER_AGENT'])) {
            $post->socialPoint ++;
            $post->save();
        }
        switch ($social){
            case 'twitter' :
                $url  = 'https://twitter.com/home?status=';
                $url .= $post['title'] . ' ' . $post->getUrl();
            break;
            case 'facebook' :
                $url  = 'https://www.facebook.com/sharer/sharer.php?u=';
                $url .=  $post->getUrl();
            break;
            case 'googlePlus' :
                $url  = 'https://plus.google.com/share?url=';
                $url .= $post->getUrl();
            break;
            case 'linkedIn' :
                $url  = 'https://www.linkedin.com/shareArticle?mini=true&';
                $url .= 'url='.$post->getUrl().'&title='.$post['title'].'&summary=&source=';
            break;          
        }
        return \Redirect::to($url);
    }