From d4d95e741f4369094945616d0c9f7a9225dcc170 Mon Sep 17 00:00:00 2001
From: Athou <jeremiepanzer@gmail.com>
Date: Sun, 19 May 2013 12:11:54 +0200
Subject: [PATCH] force feed refresh if updated more than ten minutes ago

---
 .../commafeed/backend/feeds/FeedRefreshTaskGiver.java | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/main/java/com/commafeed/backend/feeds/FeedRefreshTaskGiver.java b/src/main/java/com/commafeed/backend/feeds/FeedRefreshTaskGiver.java
index 70558f38..86a1e788 100644
--- a/src/main/java/com/commafeed/backend/feeds/FeedRefreshTaskGiver.java
+++ b/src/main/java/com/commafeed/backend/feeds/FeedRefreshTaskGiver.java
@@ -1,6 +1,7 @@
 package com.commafeed.backend.feeds;
 
 import java.util.Calendar;
+import java.util.Date;
 import java.util.List;
 import java.util.Queue;
 
@@ -10,6 +11,8 @@ import javax.ejb.LockType;
 import javax.ejb.Singleton;
 import javax.inject.Inject;
 
+import org.apache.commons.lang3.time.DateUtils;
+
 import com.commafeed.backend.MetricsBean;
 import com.commafeed.backend.dao.FeedDAO;
 import com.commafeed.backend.model.Feed;
@@ -39,6 +42,14 @@ public class FeedRefreshTaskGiver {
 
 	@Lock(LockType.WRITE)
 	public void add(Feed feed) {
+		Date now = Calendar.getInstance().getTime();
+		Date tenMinutesAgo = DateUtils.addMinutes(now, -10);
+		if (feed.getLastUpdated() == null
+				|| feed.getLastUpdated().before(tenMinutesAgo)) {
+			feed.setEtagHeader(null);
+			feed.setLastModifiedHeader(null);
+		}
+
 		queue.add(feed);
 		feed.setLastUpdated(Calendar.getInstance().getTime());
 		feedDAO.update(feed);