/**
* Display a listing of the contributor.
*
* @return \Illuminate\Http\Response
*/
public function index()
{
$contributor = new Contributor();
/*
* --------------------------------------------------------------------------
* Filtering contributor
* --------------------------------------------------------------------------
* Populate optional filter on url break down into data, sorting by, sorting
* method, and search query, then retrieve the contributor.
*/
$filter_by = Input::has('by') ? Input::get('by') : 'date';
$filter_sort = Input::has('sort') ? Input::get('sort') : 'desc';
$query = Input::has('query') ? Input::get('query') : null;
$contributors = $contributor->retrieveContributor($filter_by, $filter_sort, $query);
return view('admin.contributor.index', compact('contributors'));
}