moell-blog/app/Http/Controllers/ArticleController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Http\Requests;
use App\Repositories\ArticleRepositoryEloquent;


class ArticleController extends Controller
{
    protected $article;

    public function __construct(ArticleRepositoryEloquent $article)
    {
        $this->article = $article;
    }

    public function index($id)
    {
        $article = $this->article->find($id);
        $article->read_count = $article->read_count + 1;
        $article->save();
        return view('default.show_article', compact('article'));
    }
}