package com.commafeed.backend.service;
import java.util.Date;
import java.util.List;
import javax.inject.Inject;
import javax.inject.Singleton;
import lombok.RequiredArgsConstructor;
import com.commafeed.backend.cache.CacheService;
import com.commafeed.backend.dao.FeedEntryDAO;
import com.commafeed.backend.dao.FeedEntryStatusDAO;
import com.commafeed.backend.dao.FeedSubscriptionDAO;
import com.commafeed.backend.feed.FeedEntryKeyword;
import com.commafeed.backend.model.FeedEntry;
import com.commafeed.backend.model.FeedEntryStatus;
import com.commafeed.backend.model.FeedSubscription;
import com.commafeed.backend.model.User;
import com.google.common.collect.Lists;
@RequiredArgsConstructor(onConstructor = @__({ @Inject }))
@Singleton
public class FeedEntryService {
private final FeedSubscriptionDAO feedSubscriptionDAO;
private final FeedEntryDAO feedEntryDAO;
private final FeedEntryStatusDAO feedEntryStatusDAO;
private final CacheService cache;
public void markEntry(User user, Long entryId, boolean read) {
FeedEntry entry = feedEntryDAO.findById(entryId);
if (entry == null) {
return;
}
FeedSubscription sub = feedSubscriptionDAO.findByFeed(user, entry.getFeed());
if (sub == null) {
return;
}
FeedEntryStatus status = feedEntryStatusDAO.getStatus(user, sub, entry);
if (status.isMarkable()) {
status.setRead(read);
feedEntryStatusDAO.saveOrUpdate(status);
cache.invalidateUnreadCount(sub);
cache.invalidateUserRootCategory(user);
}
}
public void starEntry(User user, Long entryId, Long subscriptionId, boolean starred) {
FeedSubscription sub = feedSubscriptionDAO.findById(user, subscriptionId);
if (sub == null) {
return;
}
FeedEntry entry = feedEntryDAO.findById(entryId);
if (entry == null) {
return;
}
FeedEntryStatus status = feedEntryStatusDAO.getStatus(user, sub, entry);
status.setStarred(starred);
feedEntryStatusDAO.saveOrUpdate(status);
}
public void markSubscriptionEntries(User user, List<FeedSubscription> subscriptions, Date olderThan, List<FeedEntryKeyword> keywords) {
List<FeedEntryStatus> statuses = feedEntryStatusDAO.findBySubscriptions(user, subscriptions, true, keywords, null, -1, -1, null,
false, false, null);
markList(statuses, olderThan);
cache.invalidateUnreadCount(subscriptions.toArray(new FeedSubscription[0]));
cache.invalidateUserRootCategory(user);
}
public void markStarredEntries(User user, Date olderThan) {
List<FeedEntryStatus> statuses = feedEntryStatusDAO.findStarred(user, null, -1, -1, null, false);
markList(statuses, olderThan);
}
private void markList(List<FeedEntryStatus> statuses, Date olderThan) {
List<FeedEntryStatus> list = Lists.newArrayList();
for (FeedEntryStatus status : statuses) {
if (!status.isRead()) {
Date inserted = status.getEntry().getInserted();
if (olderThan == null || inserted == null || olderThan.after(inserted)) {
status.setRead(true);
list.add(status);
}
}
}
feedEntryStatusDAO.saveOrUpdate(list);
}
}