CategoryController

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Validation\Rule;

class CategoryController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */

    public function __construct()
    {
        $this->middleware('auth');
    }

    public function index(Request $request)
    {
        $categories = \App\Category::paginate(10);

        $filterKeyword = $request->get('name');

        if ($filterKeyword) {
            $categories = \App\Category::where('name', 'LIKE', "%$filterKeyword%")->paginate(10);
        }

        return view('categories.index', ['categories' => $categories]);
    }

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

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

        $new_category = new \App\Category;
        $new_category->name = $name;

        if ($request->file('image')) {
            $image_path = $request->file('image')->store('category_image', 'public');
            $new_category->image = $image_path;
        }

        $new_category->created_by = \Auth::user()->id;
        $new_category->slug = str_slug($name, '-');
        $new_category->save();

        return redirect()->route('categories.create')->with('status', 'Category successfully created!!!');

    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        $category = \App\Category::findOrFail($id);

        return view('categories.show', ['category' => $category]);
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $category_to_edit = \App\Category::findOrFail($id);

        return view('categories.edit', ['category' => $category_to_edit]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $category = \App\Category::findOrFail($id);

        \Validator::make($request->all(), [
            "name" => "required|min:3|max:20",
            "image" => "required",
            "slug" => [
                "required",
                Rule::unique("categories")->ignore($category->slug, "slug")
            ]
        ])->validate();

        $name = $request->get('name');
        $slug = $request->get('slug');

        $category->name = $name;
        $category->slug = $slug;

        if ($request->file('image')) {
            if ($category->image && file_exists(storage_path('app/public/'. $category->image))) {
                \Storage::delete('public/'. $category->image);
            }
            $new_image = $request->file('image')->store('category_image', 'public');
        }

        $category->updated_by = \Auth::user()->id;
        $category->slug = str_slug($name);

        $category->save();

        return view('categories.edit', ['id' => $id])->with('status', 'Category Successfully updated');
    }

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