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fix a race condition where a feed could be refreshed before it was created

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Athou
2024-07-03 14:16:09 +02:00
parent 1a73dd4004
commit 0dec0e3788
2 changed files with 46 additions and 3 deletions
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19
commafeed-server/src/main/java/com/commafeed/backend/service/FeedSubscriptionService.java
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@@ -23,11 +23,9 @@ import com.commafeed.frontend.model.UnreadCount;
import jakarta.inject.Inject;
import jakarta.inject.Singleton;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
@Slf4j
@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
@Singleton
public class FeedSubscriptionService {
@@ -39,6 +37,22 @@ public class FeedSubscriptionService {
private final CacheService cache;
private final CommaFeedConfiguration config;
@Inject
public FeedSubscriptionService(FeedDAO feedDAO, FeedEntryStatusDAO feedEntryStatusDAO, FeedSubscriptionDAO feedSubscriptionDAO,
FeedService feedService, FeedRefreshEngine feedRefreshEngine, CacheService cache, CommaFeedConfiguration config) {
this.feedDAO = feedDAO;
this.feedEntryStatusDAO = feedEntryStatusDAO;
this.feedSubscriptionDAO = feedSubscriptionDAO;
this.feedService = feedService;
this.feedRefreshEngine = feedRefreshEngine;
this.cache = cache;
this.config = config;
// automatically refresh feeds after they are subscribed to
// we need to use this hook because the feed needs to have been persisted because the queue processing is asynchronous
feedSubscriptionDAO.onPostCommitInsert(sub -> feedRefreshEngine.refreshImmediately(sub.getFeed()));
}
public long subscribe(User user, String url, String title) {
return subscribe(user, url, title, null, 0);
}
@@ -83,7 +97,6 @@ public class FeedSubscriptionService {
sub.setTitle(FeedUtils.truncate(title, 128));
feedSubscriptionDAO.saveOrUpdate(sub);
feedRefreshEngine.refreshImmediately(feed);
cache.invalidateUserRootCategory(user);
return sub.getId();
}