/**
  * Show the form for editing the specified resource.
  *
  * @param  int  $id
  * @return Response
  */
 public function edit($id)
 {
     $distribution = Distribution::find($id);
     $selected_recipients = $distribution->recipients->all();
     $all_recipients = Recipient::whereNotIn('id', $selected_recipients)->get();
     return view('distribution.edit', ['distribution' => $distribution, 'all_recipients' => $all_recipients, 'selected_recipients' => $selected_recipients]);
 }