Controller for category

CategoryController.php

<?php

namespace App\Http\Controllers;

use App\Repositories\CategoryRepositoryInterface;
use Illuminate\Http\Request;

class CategoryController extends Controller
{
    protected $category;

    public function __construct(CategoryRepositoryInterface $categoryRepo)
    {
        $this->category = $categoryRepo;
    }
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index(CategoryRepositoryInterface $categoryRepo)
    {
        //
        $categories = $this->category->list();
        return view('category.index',compact('categories'));
    }

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

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $validate = $this->validate($request,[
            "name" =>'required'
        ]);

        $this->category->save($validate);

        return redirect(route('category.index'));
    }

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

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        //
    }
}