gistfile1.php

<?php

use Phphub\Core\CreatorListener;

class TopicsController extends \BaseController implements CreatorListener 
{

	public function __construct()
    {
        $this->beforeFilter('auth', ['only' => 'create', 'store']);
    }

	public function index()
	{
		$topics = Topic::all();
		return View::make('topics.index', compact('topics'));
	}

	public function create()
	{
		$node = Node::where('name', '=', Input::get('node'))->where('parent_node', '!=', '')->first();
		$nodes = Node::allLevelUp();
		return View::make('topics.create', compact('nodes', 'node'));
	}

	public function store()
	{
		return App::make('Phphub\Topic\TopicCreator')->create($this, Input::except('_token'));
	}

	public function show($id)
	{
		$topic = Topic::findOrFail($id);

		return View::make('topics.show', compact('topic'));
	}

	public function edit($id)
	{
		$topic = Topic::find($id);

		return View::make('topics.edit', compact('topic'));
	}

	public function update($id)
	{
		$topic = Topic::findOrFail($id);

		$validator = Validator::make($data = Input::all(), Topic::$rules);

		if ($validator->fails())
		{
			return Redirect::back()->withErrors($validator)->withInput();
		}

		$topic->update($data);

		return Redirect::route('topics.index');
	}

	public function destroy($id)
	{
		Topic::destroy($id);

		return Redirect::route('topics.index');
	}

    /**
     * ----------------------------------------
     * CreatorListener Delegate
     * ----------------------------------------
     */

    public function creatorFailed($errors)
    {
        return Redirect::to('/');
    }

    public function creatorSucceed($topic)
    {
        Flash::success('话题创建成功.');

        return Redirect::route('topics.show', array($topic->id));
    }

}