/**
  * Show the form for editing the specified PartnerDiscount.
  *
  * @param  int $id
  *
  * @return Response
  */
 public function edit($id)
 {
     $partnerDiscount = $this->partnerDiscountRepository->find($id);
     $partners = Partner::lists('partner_name', 'partner_id');
     if (empty($partnerDiscount)) {
         Flash::error('PartnerDiscount not found');
         return redirect(route('partnerDiscounts.index'));
     }
     return view('partnerDiscounts.edit')->with('partnerDiscount', $partnerDiscount)->with('partners', $partners);
 }