Quiz Validation ( KaryawanController )

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Karyawan;
use Validator;

class KaryawanController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {

      //$karyawan_list = Karyawan::all()->sortBy('id');//sortir Data
      $karyawan_list=karyawan::orderby('id','desc')->paginate(5);
      $jumlah_karyawan = $karyawan_list->count();//tampil jml Data
      return view('chap8.karyawan', compact('halaman', 'karyawan_list','jumlah_karyawan'));
    }
      //$halaman='karyawan';
      //$karyawan=['Munawar','Budi Santoso','Widya Ningrum','Unggul Jaya'];
    //  return view('chap5.karyawan',compact('halaman','karyawan'));


    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        return view('chap8.create', compact('halaman'));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
      // $karyawan = $request->all();
      // return $karyawan;

      // $karyawan=new \App\Karyawan;
      // $karyawan->nip = $request->nip;
      // $karyawan->nama = $request->nama;
      // $karyawan->tgl_lahir = $request->tgl_lahir;
      // $karyawan->gender = $request->gender;
      // $karyawan->save();
      // return redirect('karyawan');
      $input=$request->all();

      $validator=Validator::make($input,[
        'nip'=>'required|number|size:5|unique:employees,nip',
        'nama'=>'required|string|max:35',
        'tgl_lahir'=>'required|date',
        'gender'=>'required|in:L,P',
      ]);
      if ($validator->fails()){
        return redirect('karyawan/create')
                      ->withInput()
                      ->withErrors($validator);
        //withInput berfungsi mengembalikan data input ketika validasi gagal
        //withErrors  nfungsinya mengambil eror pada validasi


      }
      Karyawan::create($input);
      return redirect('karyawan');

    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {

        $karyawan=Karyawan::findOrFail($id);
        return view('chap8.show',compact('halaman','karyawan'));
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $karyawan=Karyawan::findOrFail($id);
        return view('chap8.edit', compact('karyawan'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $input=$request->all();
        $validation = Validator::make($input,[
          'nip'=>'required|string|size:5|unique:employees,nip',
          'nama'=>'required|string|max:35',
          'tgl_lahir'=>'required|date',
          'gender'=>'required|in:L,P',
        ]);
        if ($validation->passes())
        {
            $karyawan = Karyawan::find($id);
            $karyawan->update($input);
          return redirect('karyawan');
        }
        return back()
            ->withInput()
            ->withErrors($validation);
    }
    //     $karyawan=Karyawan::findOrFail($id);
    //     $karyawan->update($request->all());
    //     return redirect('karyawan');
    // }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
      $karyawan=Karyawan::findOrFail($id);
      $karyawan->delete();
      return redirect('karyawan');
    }

    public function search(Request $request){
        $cari = $request->get('search');
        $karyawan_list = Karyawan::where('nama','LIKE','%'.$cari.'%')->orwhere('nip','LIKE','%'.$cari.'%')->paginate(1);
        $jumlah_karyawan = $karyawan_list->count();
        return view('chap8.karyawan', compact('halaman', 'karyawan_list', 'jumlah_karyawan'));
    }
}