oficial/app/src/Controller/API/Login.php

<?php
namespace Incoviba\Controller\API;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Incoviba\Common\Implement\Exception\EmptyResult;
use Incoviba\Common\Ideal;
use Incoviba\Repository;
use Incoviba\Service;

class Login extends Ideal\Controller
{
    use withJson;

    public function __invoke(ServerRequestInterface $request, ResponseInterface $response,
                             Repository\User $userRepository,
                             Repository\Login $loginRepository,
                             Service\Login $loginService): ResponseInterface
    {
        $body = $request->getParsedBody();
        $output = [
            'username' => $body['username'],
            'success' => false
        ];
        $statusCode = 409;
        try {
            $user = $userRepository->fetchByName($body['username']);
            if (!$user->validate($body['password'])) {
                throw new EmptyResult("Invalid password");
            }
            $loginService->login($user);
            $output['token'] = $loginService->getToken();
            $output['success'] = true;
            $statusCode = 200;
        } catch (EmptyResult $exception) {
            $this->logger->error($exception, [
                'username' => $body['username']
            ]);
        }
        return $this->withJson($response, $output, $statusCode);
    }
}