/**
     * Return quotes's data in a way that can be read by Datatables
     *
     * @return Response
     */
    public function getDatatable()
    {
        $quotes = Quote::select();
        $datatables = \Datatables::of($quotes)->addColumn('deleted_at', function ($quote) {
            return $quote->deleted_at == null ? '<span class="label label-sm label-success">Active</span>' : '<span class="label
				label-sm label-danger">Deleted</span>';
        })->addColumn('created_at', function ($quote) {
            return date('F j, Y, g:i a', strtotime($quote->created_at));
        })->addColumn('updated_at', function ($quote) {
            return date('F j, Y, g:i a', strtotime($quote->created_at));
        })->addColumn('actions', function ($quote) {
            return '<a href="' . url('admin/quotes/' . $quote->id . '/edit') . '" class="btn btn-success btn-sm" ><span class="glyphicon
				glyphicon-pencil"></span>  Edit</a>';
        });
        $filters = \Input::get('filters');
        if (!empty($filters)) {
            $datatables->filter(function ($query) use($filters) {
                foreach ($filters as $fName => $fValue) {
                    if (!$fValue) {
                        continue;
                    }
                    switch ($fName) {
                        case 'id':
                            $query->where('quote.id', '=', $fValue);
                            break;
                        case 'slug':
                            $query->where('slug', 'LIKE', '%' . $fValue . '%');
                            break;
                        case 'text':
                            $query->where('text', 'LIKE', '%' . $fValue . '%');
                            break;
                        case 'created_at_from':
                            $query->where('created_at', '>=', $fValue);
                            break;
                        case 'created_at_to':
                            $query->where('created_at', '<=', $fValue);
                            break;
                        case 'updated_at_from':
                            $query->where('updated_at', '>=', $fValue);
                            break;
                        case 'updated_at_to':
                            $query->where('updated_at', '<=', $fValue);
                            break;
                        case 'deleted':
                            if ($fValue) {
                                if ($fValue == 1) {
                                    $query->whereNull('deleted_at');
                                }
                                if ($fValue == -1) {
                                    $query->where('deleted_at', '!=', 'null');
                                }
                            }
                            break;
                    }
                }
            });
        }
        return $datatables->make(true);
    }