Laravel 5.2 Auth::user() に他テーブルのJOINしたデータを追加する。

<?php
namespace App\Providers;

use Illuminate\Auth\EloquentUserProvider;

class AuthUserProvider extends EloquentUserProvider
{
	public function retrieveById($identifier) {
		$result = $this->createModel()->newQuery()
			->leftJoin('corps', 'users.corp_id', '=', 'corps.id')
			->leftJoin('shops', 'users.shop_id', '=', 'shops.id')
			->select(['users.*', 'corps.name as corp_name', 'shops.name as shop_name'])
			->find($identifier);
		return $result;
	}

}

<?php
namespace App\Providers;

use Illuminate\Contracts\Auth\Access\Gate as GateContract;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;

use App\Providers\AuthUserProvider;
use Auth;

class AuthServiceProvider extends ServiceProvider
{
	/**
	 * The policy mappings for the application.
	 *
	 * @var array
	 */
	protected $policies = [
		'App\Model' => 'App\Policies\ModelPolicy',
	];

	/**
	 * Register any application authentication / authorization services.
	 *
	 * @param  \Illuminate\Contracts\Auth\Access\Gate  $gate
	 * @return void
	 */
	public function boot(GateContract $gate)
	{
		$this->registerPolicies($gate);

		//
	}

	public function register() {

		Auth::provider('auth_ex', function($app) {
			// スタックオーバーフロー先生はこれで取れると書いてあるんだけど、モデルが取れない…
			// $model = $this->app['config']['auth.model'];
			$model = $app['config']['auth.providers.users.model'];
			return new AuthUserProvider($app['hash'], $model);
		});

	}

}

＜＜省略＞＞
	'providers' => [
		'users' => [
			'driver' => 'eloquent',
			'model' => App\User::class,
		],

		'users' => [
			'driver' => 'auth_ex',
			'model' => App\User::class,
		],

		// 'users' => [
		//     'driver' => 'database',
		//     'table' => 'users',
		// ],
	],
＜＜省略＞＞