fix; wrong retry header (#413)

* fix

* rollback useless changes

* rollback useless changes

* rollback useless changes

src/main/java/io/github/redouane59/twitter/helpers/AbstractRequestHelper.java

@@ -10,6 +10,7 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.time.format.DateTimeFormatter;
+import java.util.Date;
 import java.util.Map;
 import java.util.Optional;
 import javax.naming.LimitExceededException;
@@ -83,13 +84,15 @@ public <T> Optional<T> makeRequest(OAuthRequest request, boolean signRequired, C
       String stringResponse = response.getBody();
       if (response.getCode() == 429) {
         if (!automaticRetry) {
-          throw new LimitExceededException();
+          throw new LimitExceededException(response.getHeader("x-rate-limit-reset"));
         }
         int    retryAfter    = DEFAULT_RETRY_AFTER_SEC;
         String retryAfterStr = response.getHeader("x-rate-limit-reset");
         if (retryAfterStr != null) {
           try {
-            retryAfter = Integer.parseInt(retryAfterStr);
+            long resetTime   = Long.parseLong(retryAfterStr);
+            long currentTime = (new Date().getTime()) / 1000;
+            retryAfter = Math.toIntExact(resetTime - currentTime);
           } catch (NumberFormatException e) {
             LOGGER.error("Using default retry after because header format is invalid: {}", retryAfterStr, e);
           }
@@ -105,12 +108,11 @@ public <T> Optional<T> makeRequest(OAuthRequest request, boolean signRequired, C
     } catch (IOException ex) {
       LOGGER.error("Error occupied on executing request", ex);
     }
-
     return Optional.ofNullable(result);
   }
 
   public abstract <T> Optional<T> getRequest(String url, Class<T> classType);
 
   public abstract <T> Optional<T> getRequestWithParameters(String url, Map<String, String> parameters, Class<T> classType);
 
-}
+}