App\Http\Controllers\ClientPortalController::setDefaultPaymentMethod PHP Method

    public function setDefaultPaymentMethod()
    {
        if (!($contact = $this->getContact())) {
            return $this->returnError();
        }
        $client = $contact->client;
        $account = $client->account;
        $validator = Validator::make(Input::all(), ['source' => 'required']);
        if ($validator->fails()) {
            return Redirect::to($client->account->enable_client_portal_dashboard ? '/client/dashboard' : '/client/payment_methods/');
        }
        $paymentDriver = $account->paymentDriver(false, GATEWAY_TYPE_TOKEN);
        $paymentMethod = PaymentMethod::clientId($client->id)->wherePublicId(Input::get('source'))->firstOrFail();
        $customer = $paymentDriver->customer($client->id);
        $customer->default_payment_method_id = $paymentMethod->id;
        $customer->save();
        Session::flash('message', trans('texts.payment_method_set_as_default'));
        return redirect()->to($client->account->enable_client_portal_dashboard ? '/client/dashboard' : '/client/payment_methods/');
    }