SATE-EasyReceipt/app/Http/Controllers/Web/Auth/LoginController.php

<?php

namespace App\Http\Controllers\Web\Auth;

use App\Http\Controllers\Web\WebController;
use App\Models\User;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class LoginController extends WebController
{
    use Me;

    public function name(): string
    {
        return "ログイン";
    }

    public function description(): string
    {
        return "ログインを行う";
    }


    public function __construct(protected LoginParam $param)
    {
    }

    protected function run(Request $request): JsonResponse
    {
        // 取得したユーザ情報を登録しログインを行う
        $param = $this->param;

        $user = User::whereEmail($param->email)->first();
        if ($user === null) {
            return $this->failedResponse();
        }

        if (Auth::attempt([
            'email' => $param->email,
            'password' => $param->password,
        ])) {

            $this->loginUser()->setCurrentContractId(null);

            $me = $this->me();

            if ($me !== null) {
                return $this->successResponse($me);
            }
        }

        return $this->failedResponse([], '認証失敗');
    }
}