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configurable feed refresh interval

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Athou
2013-07-29 10:33:18 +02:00
parent ef79cf1748
commit 5fe5b97130
7 changed files with 50 additions and 29 deletions
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13
src/main/java/com/commafeed/backend/feeds/FeedUtils.java
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@@ -288,7 +288,7 @@ public class FeedUtils {
/**
* When the feed was refreshed successfully
*/
public static Date buildDisabledUntil(Date publishedDate, Long averageEntryInterval) {
public static Date buildDisabledUntil(Date publishedDate, Long averageEntryInterval, Date defaultRefreshInterval) {
Date now = new Date();
if (publishedDate == null) {
@@ -304,9 +304,16 @@ public class FeedUtils {
// older than a week, recheck in 6 hours
return DateUtils.addHours(now, 6);
} else if (averageEntryInterval != null) {
// use average time between entries to decide when to refresh next
// use average time between entries to decide when to refresh next, divided by factor
int factor = 2;
return new Date(Math.min(DateUtils.addHours(now, 6).getTime(), now.getTime() + averageEntryInterval / factor));
// not more than 6 hours
long date = Math.min(DateUtils.addHours(now, 6).getTime(), now.getTime() + averageEntryInterval / factor);
// not less than default refresh interval
date = Math.max(defaultRefreshInterval.getTime(), date);
return new Date(date);
} else {
// unknown case, recheck in 24 hours
return DateUtils.addHours(now, 24);