memories/lib/UtilController.php

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<?php
declare(strict_types=1);
namespace OCA\Memories;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
trait UtilController
{
/**
* Run a function and catch exceptions to return HTTP response.
*
* @param \Closure(): Http\Response $closure
*/
public static function guardEx(\Closure $closure): Http\Response
{
try {
return $closure();
} catch (\OCA\Memories\HttpResponseException $e) {
return $e->response;
} catch (\Exception $e) {
return new DataResponse([
'message' => $e->getMessage(),
], Http::STATUS_INTERNAL_SERVER_ERROR);
}
}
/**
* Return a callback response with guarded exceptions.
*
* @param \Closure(Http\IOutput): void $closure
*/
public static function guardExDirect(\Closure $closure): Http\Response
{
/** @psalm-suppress MissingTemplateParam */
return new class($closure) extends Http\Response implements Http\ICallbackResponse {
/**
* @param \Closure(Http\IOutput): void $closure
*/
public function __construct(private \Closure $closure)
{
parent::__construct();
}
public function callback(Http\IOutput $output): void
{
try {
($this->closure)($output);
} catch (\OCA\Memories\HttpResponseException $e) {
$res = $e->response;
$output->setHttpResponseCode($res->getStatus());
if ($res instanceof Http\DataResponse) {
$output->setHeader('Content-Type: application/json');
$output->setOutput(json_encode($res->getData()));
} else {
$output->setOutput($res->render());
}
} catch (\Exception $e) {
$output->setHttpResponseCode(Http::STATUS_INTERNAL_SERVER_ERROR);
$output->setHeader('Content-Type: application/json');
$output->setOutput(json_encode([
'message' => $e->getMessage(),
]));
}
}
};
}
/**
* Get the current user.
*
* @throws \OCA\Memories\HttpResponseException if the user is not logged in
*/
public static function getUser(): \OCP\IUser
{
return \OC::$server->get(\OCP\IUserSession::class)->getUser()
?? throw Exceptions::NotLoggedIn();
}
/**
* Get the current user ID.
*
* @throws \OCA\Memories\HttpResponseException if the user is not logged in
*/
public static function getUID(): string
{
return self::getUser()->getUID();
}
/**
* Check if the user is logged in.
*/
public static function isLoggedIn(): bool
{
return null !== \OC::$server->get(\OCP\IUserSession::class)->getUser();
}
/**
* Get a user's home folder.
*
* @param null|string $uid User ID, or null for the user
*
* @throws \OCA\Memories\HttpResponseException if the user is not logged in
*/
public static function getUserFolder(?string $uid = null): \OCP\Files\Folder
{
return \OC::$server->get(\OCP\Files\IRootFolder::class)
->getUserFolder($uid ?? self::getUID())
;
}
/**
* Get the language code for the current user.
*/
public static function getUserLang(): string
{
// Default language
$config = \OC::$server->get(\OCP\IConfig::class);
$default = $config->getSystemValue('default_language', 'en');
try {
// Get language of the user
return $config->getUserValue(self::getUID(), 'core', 'lang', $default);
} catch (\Exception) {
// Fallback to server language
return $default;
}
}
}