One-to-many

ArticleController.php

<?php

namespace App\Http\Controllers;

use App\Article;
use App\Comment;
use Illuminate\Support\Facades\Validator;
use Illuminate\Http\Request;

class ArticleController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $articles = Article::all();
        return response()->json(['message'=>'Success','data'=>$articles],200);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $validator = $this->validateArticle();
        if($validator->fails()){
            return response()->json(['message'=>$validator->messages(),'data'=>null],400);
        }
        if(Article::create($validator->validate())){
            return response()->json(['message'=>'Article Created','data'=>$validator->validate()],200);
        }
            return response()->json(['message'=>'Error Ocurred','data'=>null],400);
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show(Article $article)
    {
        return response()->json(['message'=>'Success','data'=>$article],200);
    }

    public function show_comments(Article $article){
        $comments = $article->comments;
        if(count($comments) > 0){
            return response()->json(['message'=>'Success','data'=>$comments],200);
        }
            return response()->json(['message'=>'No Comment Found','data'=>null],200);
    }

    public function show_best_comment(Article $article){
        $comment = Comment::find($article->best_comment_id);
        return response()->json(['message'=>'Success','data'=>$comment],200);
    }


    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy(Article $article)
    {
        if($article->delete()){
            return response()->json(['message'=>'Article Deleted','data'=>null],200);
        }
        return response()->json(['message'=>'Error Occured','data'=>null],400);
    }

    public function validateArticle(){
        return Validator::make(request()->all(), [
            'title' => 'required|string|min:3|max:255',
            'slug' => 'required|string|min:3|max:25',
            'body' => 'required|string|min:5|max:255',
        ]);
    }
}