App\Http\Controllers\QuoteController::bulk PHP Method

    public function bulk()
    {
        $action = Input::get('bulk_action') ?: Input::get('action');
        $ids = Input::get('bulk_public_id') ?: (Input::get('public_id') ?: Input::get('ids'));
        if ($action == 'convert') {
            $invoice = Invoice::with('invoice_items')->scope($ids)->firstOrFail();
            $clone = $this->invoiceService->convertQuote($invoice);
            Session::flash('message', trans('texts.converted_to_invoice'));
            return Redirect::to('invoices/' . $clone->public_id);
        }
        $count = $this->invoiceService->bulk($ids, $action);
        if ($count > 0) {
            $key = $action == 'markSent' ? 'updated_quote' : "{$action}d_quote";
            $message = Utils::pluralize($key, $count);
            Session::flash('message', $message);
        }
        return $this->returnBulk(ENTITY_QUOTE, $action, $ids);
    }