public function action_like()
    {
        $response = Response::forge();
        $like = Model_Like::forge();
        $like->user_id = Input::post('user_id');
        $like->liked_by = Session::get('sentry_user');
        // find if the user already liked
        $row = Model_Like::find(array($like->user_id, $like->liked_by));
        //if liked remove from database
        if($row):
            $response->body(json_encode(array(
                'status' => 'no',
            )));
            $row->delete();
        else:
            $response->body(json_encode(array(
                'status' => 'yes',
            )));
            $like->save();
        endif;

        return $response;
    }

$('button.like').on('click', function(){
    var likeId = $(this).data('like')
    valPlus = parseInt($('.like-total').text()) + 1;;
    $.ajax({
        type: "POST",
        url: site_url + 'profile/like/',
        data: {user_id: likeId},
        dataType: "json",
        context: this,
        //async: false,
        beforeSend: function(data) {
            $(this).attr('disabled', 'disabled');
        },
        success: function(data) {
            console.debug(data);
            if(data.status == "yes") {

                $('.like-total').text(valPlus);
            }
        },
        complete: function(data) {
            $(this).removeAttr('disabled', 'disabled');
        }
    })


});

$row = Model_Like::find()->where(array(
    array('user_id', $like->user_id),
    array('liked_id', $like->liked_by)
));