/**
  * Show the form for returning books.
  *
  * @return Response
  */
 public function booksreturn($personid, $datetime = '', $custom_date = '')
 {
     // ВЫНЕСТИ ИЗ КОНТРОЛЛЕРА
     $editing = [];
     // Если массив не пустой - редактируем.
     // В любом случае при сохранении можно удялять все.
     // Если создаем - ничего не треяем. Если редактируем - так и надо.
     if ($datetime) {
         // выбираем редактируемые операции
         $os = DB::table('operations')->where('person_id', $personid)->where('datetime', $datetime)->get();
         foreach ($os as $o) {
             $bookvalues[$o->book_id] = $o->quantity;
             if ($o->description) {
                 $editing['description'] = $o->description;
             }
             $custom_date = $o->custom_date;
         }
         $editing['bookvalues'] = $bookvalues;
         $books = Book::get_all_books(Auth::user()->id);
     } else {
         list($oss, $bks) = Operation::get_operations($personid);
         $bkss = Book::get_all_books(Auth::user()->id);
         $books = [];
         foreach ($bkss as $k => $b) {
             if (isset($bks[$k])) {
                 $books[$k] = $b;
                 $b->havegot = $bks[$k][0];
             }
         }
     }
     return view('operation.return', ['books' => $books, 'operation_type' => 4, 'personid' => $personid, 'editing' => $editing, 'datetime' => $datetime, 'custom_date' => $custom_date]);
 }
 /**
  * Display a listing of the resource.
  *
  * @return Response
  */
 public function index()
 {
     $books = Book::get_all_books(Auth::user()->id);
     return view('books.index', ['books' => $books]);
 }