[RateLimiter] Add SlidingWindowLimiter::reserve()

alexandre-daubois · alexandre-daubois · commit bbd92c90dc24 · 2023-10-02T10:06:00.000+02:00
diff --git a/rate_limiter.rst b/rate_limiter.rst
@@ -320,6 +320,11 @@ processes by reserving unused tokens.
             $limit->wait();
         } while (!$limit->isAccepted());
 
+.. versionadded:: 6.4
+
+    The support for the ``reserve()`` method for the ``SlidingWindow`` strategy
+    was introduced in Symfony 6.4.
+
 Exposing the Rate Limiter Status
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -348,7 +353,7 @@ the :class:`Symfony\\Component\\RateLimiter\\Reservation` object returned by the
             $limit = $limiter->consume();
             $headers = [
                 'X-RateLimit-Remaining' => $limit->getRemainingTokens(),
-                'X-RateLimit-Retry-After' => $limit->getRetryAfter()->getTimestamp(),
+                'X-RateLimit-Retry-After' => $limit->calculateTimeForTokens(1, 1),
                 'X-RateLimit-Limit' => $limit->getLimit(),
             ];
 
@@ -365,6 +370,13 @@ the :class:`Symfony\\Component\\RateLimiter\\Reservation` object returned by the
         }
     }
 
+.. versionadded:: 6.4
+
+    The :method:`Symfony\\Component\\RateLimiter\\Policy\\SlidingWindow::calculateTimeForTokens`
+    method was introduced in Symfony 6.4. Prior to this, the now deprecated
+    :method:`Symfony\\Component\\RateLimiter\\Policy\\SlidingWindow::getRetryAfter`
+    method must be used.
+
 .. _rate-limiter-storage:
 
 Storing Rate Limiter State
