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remove many to many relationship between entries and feeds

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Athou
2013-07-24 15:39:20 +02:00
parent fdacac74cc
commit c2b53b117c
18 changed files with 350 additions and 251 deletions
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55
src/main/java/com/commafeed/backend/services/FeedUpdateService.java
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@@ -8,17 +8,16 @@ import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.apache.commons.codec.digest.DigestUtils;
import com.commafeed.backend.MetricsBean;
import com.commafeed.backend.cache.CacheService;
import com.commafeed.backend.dao.FeedEntryDAO;
import com.commafeed.backend.dao.FeedEntryDAO.EntryWithFeed;
import com.commafeed.backend.dao.FeedEntryStatusDAO;
import com.commafeed.backend.dao.FeedSubscriptionDAO;
import com.commafeed.backend.feeds.FeedUtils;
import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedEntry;
import com.commafeed.backend.model.FeedEntryContent;
import com.commafeed.backend.model.FeedFeedEntry;
import com.commafeed.backend.model.FeedSubscription;
import com.commafeed.backend.model.User;
import com.google.common.collect.Lists;
@@ -43,41 +42,35 @@ public class FeedUpdateService {
@Inject
CacheService cache;
@Inject
FeedEntryContentService feedEntryContentService;
/**
* this is NOT thread-safe
*/
public void updateEntry(Feed feed, FeedEntry entry,
List<FeedSubscription> subscriptions) {
EntryWithFeed existing = feedEntryDAO.findExisting(entry.getGuid(),
FeedEntry existing = feedEntryDAO.findExisting(entry.getGuid(),
entry.getUrl(), feed.getId());
FeedEntry update = null;
FeedFeedEntry ffe = null;
if (existing == null) {
entry.setAuthor(FeedUtils.truncate(FeedUtils.handleContent(
entry.getAuthor(), feed.getLink(), true), 128));
FeedEntryContent content = entry.getContent();
content.setTitle(FeedUtils.truncate(FeedUtils.handleContent(
content.getTitle(), feed.getLink(), true), 2048));
content.setContent(FeedUtils.handleContent(content.getContent(),
feed.getLink(), false));
entry.setInserted(new Date());
ffe = new FeedFeedEntry(feed, entry);
update = entry;
} else if (existing.ffe == null) {
ffe = new FeedFeedEntry(feed, existing.entry);
update = existing.entry;
if (existing != null) {
return;
}
if (update != null) {
List<User> users = Lists.newArrayList();
for (FeedSubscription sub : subscriptions) {
users.add(sub.getUser());
}
cache.invalidateUserData(users.toArray(new User[0]));
feedEntryDAO.saveOrUpdate(update);
em.persist(ffe);
FeedEntryContent content = feedEntryContentService.findOrCreate(
entry.getContent(), feed.getLink());
entry.setGuidHash(DigestUtils.sha1Hex(entry.getGuid()));
entry.setContent(content);
entry.setInserted(new Date());
entry.setFeed(feed);
List<User> users = Lists.newArrayList();
for (FeedSubscription sub : subscriptions) {
User user = sub.getUser();
users.add(user);
}
feedEntryDAO.saveOrUpdate(entry);
cache.invalidateUserData(users.toArray(new User[0]));
}
}