gistfile1.php

<?php namespace App\Http\Controllers;

use App\Http\Requests;
use App\Http\Controllers\Controller;

use Illuminate\Http\Request;

abstract class CrudController extends Controller {

    protected $model = null;
    protected $viewDir = null;
    protected $singular = null;

	/**
	 * Display a listing of the resource.
	 *
	 * @return Response
	 */
	public function index()
	{
		return view($this->viewDir.'.index',[$this->singular => $this->model->all()]);
	}

  ...

}


<?php namespace App\Http\Controllers;

use App\Http\Requests;
use App\Http\Controllers\Controller;
use App\Banana;

use Illuminate\Http\Request;

class BananaController extends CrudController {

    /**
     * @param Banana $banana
     */
    function __construct(Banana $banana) {
        $this->singular = 'banana';
        $this->model = $banana;
        $this->viewDir = 'banana';

    }

}