psr logger

namespace OCA\EcloudAccounts\Controller;

use \Psr\Log\LoggerInterface;

use Exception;

use OCA\EcloudAccounts\Db\MailUsageMapper;

use OCA\EcloudAccounts\Service\UserService;

use OCP\AppFramework\ApiController;

use OCP\AppFramework\Http\DataResponse;

use OCP\IConfig;

use OCP\ILogger;

use OCP\IRequest;

class UserController extends ApiController {

	private $config;

	public function __construct($appName, IRequest $request, ILogger $logger, IConfig $config, UserService $userService, MailUsageMapper $mailUsageMapper) {

	public function __construct($appName, IRequest $request, LoggerInterface $logger, IConfig $config, UserService $userService, MailUsageMapper $mailUsageMapper) {

		parent::__construct($appName, $request);

		$this->userService = $userService;

		$this->mailUsageMapper = $mailUsageMapper;