我正在使用symfony3开发一个应用程序，我正在跟踪路由并使用服务将它们保存到我的数据库中。当存在异常（500,404 ......）时，此服务也保存为空路由，因此我想添加一些内容以避免保存此内容。
这是我的服务：
<?php
namespace Alpha\VisitorTrackingBundle\EventListener;
use Alpha\VisitorTrackingBundle\Entity\Lifetime;
use Alpha\VisitorTrackingBundle\Entity\PageView;
use Alpha\VisitorTrackingBundle\Entity\Session;
use Doctrine\ORM\EntityManager;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\Cookie;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* Class VisitorTrackingSubscriber
* @package Alpha\VisitorTrackingBundle\EventListener
*
* Tracks the source of a session and each pageview in that session. Primary use of this is to be able to see the path through our site each
*/
class VisitorTrackingSubscriber implements EventSubscriberInterface
{
/**
* @var \Doctrine\ORM\EntityManager
*/
protected $em;
/**
* @var Session
*/
protected $session;
/**
* @var Lifetime
*/
protected $lifetime;
protected $routesExclues;
protected $utmCodes = [
"utm_source",
"utm_medium",
"utm_campaign",
"utm_term",
"utm_content"
];
const COOKIE_LIFETIME = "lifetime";
const COOKIE_SESSION = "session";
public function __construct(EntityManager $em, $routesExclues)
{
$this->em = $em;
$this->routesExclues = $routesExclues;
}
public function onKernelRequest(GetResponseEvent $event)
{
$request = $event->getRequest();
if (substr($request->get("_route"), 0, 1) == "_" ) {
//these are requests for assets/symfony toolbar etc. Not relevant for our tracking
return;
}
if ($request->cookies->has(self::COOKIE_SESSION) and !$this->requestHasUTMParameters($request)) {
$this->session = $this->em->getRepository("AlphaVisitorTrackingBundle:Session")->find($request->cookies->get(self::COOKIE_SESSION));
if ($this->session instanceof Session) {
$this->lifetime = $this->session->getLifetime();
} else {
$this->generateSessionAndLifetime($request);
}
} else {
$this->generateSessionAndLifetime($request);
}
}
public function onKernelResponse(FilterResponseEvent $event)
{
if (false === $this->session instanceof Session) {
return;
}
$request = $event->getRequest();
$response = $event->getResponse();
$exception = $event->getKernel()->handle($request)->getStatusCode();
if (substr($request->get("_route"), 0, 1) == "_" or ($response instanceof RedirectResponse) ) {
//these are requests for assets/symfony toolbar etc. Not relevant for our tracking
return;
}
$pageView = new PageView();
$route = $request->get('_route');
$pageView->setUrl($route);
if (strpos($request->getRequestUri(), $this->routesExclues) === false // && $response->getStatusCode() === '200'
)
$this->session->addPageView($pageView);
$this->em->flush($this->session);
if ($this->requestHasUTMParameters($request)) {
$this->setUTMSessionCookies($request, $response);
}
if (!$request->cookies->has(self::COOKIE_LIFETIME)) {
$response->headers->setCookie(new Cookie(self::COOKIE_LIFETIME, $this->lifetime->getId(), 0, "/", null, false, false));
}
//no session cookie set OR session cookie value != current session ID
if (!$request->cookies->has(self::COOKIE_SESSION) or ($request->cookies->get(self::COOKIE_SESSION) != $this->session->getId())) {
$response->headers->setCookie(new Cookie(self::COOKIE_SESSION, $this->session->getId(), 0, "/", null, false, false));
}
}
protected function requestHasUTMParameters(Request $request)
{
foreach ($this->utmCodes as $code) {
if ($request->query->has($code)) {
return true;
}
}
return false;
}
protected function setUTMSessionCookies(Request $request, Response $response)
{
foreach ($this->utmCodes as $code) {
$response->headers->clearCookie($code);
if ($request->query->has($code)) {
$response->headers->setCookie(new Cookie($code, $request->query->get($code), 0, "/", null, false, false));
}
}
}
/**
* @return Session
*/
public function getSession()
{
return $this->session;
}
/**
* @return Lifetime
*/
public function getLifetime()
{
return $this->lifetime;
}
public static function getSubscribedEvents()
{
return array(
KernelEvents::RESPONSE => ['onKernelResponse', 1024],
KernelEvents::REQUEST => ["onKernelRequest", 16]
);
}
private function generateSessionAndLifetime(Request $request)
{
if (strpos($request->headers->get("User-Agent"), "bot") === false && $request->getClientIp() !== "::1"
) {
$lifetime = false;
if ($request->cookies->has(self::COOKIE_LIFETIME)) {
$lifetime = $this->em->getRepository("AlphaVisitorTrackingBundle:Lifetime")->find($request->cookies->get(self::COOKIE_LIFETIME));
}
if (!$lifetime) {
$lifetime = new Lifetime();
$this->em->persist($lifetime);
}
$session = new Session();
$session->setIp($request->getClientIp() ?: "");
$session->setReferrer($request->headers->get("Referer") ?: "");
$session->setUserAgent($request->headers->get("User-Agent") ?: "");
$session->setQueryString($request->getQueryString() ?: "");
$session->setLoanTerm($request->query->get("y") ?: "");
$session->setRepApr($request->query->has("r") ? hexdec($request->query->get("r")) / 100 : "");
$details = json_decode(file_get_contents("http://ipinfo.io/{$request->getClientIp()}/json"));
$names = json_decode(file_get_contents("http://country.io/names.json"), true);
$session->setPays($names[$details->country]);
foreach ($this->utmCodes as $code) {
$method = "set" . \Doctrine\Common\Inflector\Inflector::classify($code);
$session->$method($request->query->get($code) ?: "");
}
$lifetime->addSession($session);
$this->em->flush();
$this->session = $session;
$this->lifetime = $lifetime;
}
}
}
我已经添加了一些东西来从响应中获取statusCode，但它总是如此 返回200.（如果statusCode！=='200'则不能保存路由。）
有谁帮我解决问题？感谢