public function getCategories()
{
// Query the category and its count from DB
$urls = Url::select(\DB::raw('count(category) as count, category as name'))->groupBy('category')->get();
// Build the response Object
$res = new \stdClass();
$res->status = "Success";
$res->data = $urls;
$res->count = $urls->count();
// Send the response object as json in response
return response()->json($res);
}