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run post login activities in a new transaction to avoid database locks

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Athou
2023-05-27 19:29:44 +02:00
parent 45eb436b8f
commit f100f3f91a
2 changed files with 33 additions and 22 deletions
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14
commafeed-server/src/main/java/com/commafeed/backend/service/internal/PostLoginActivities.java
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@@ -6,8 +6,10 @@ import javax.inject.Inject;
import javax.inject.Singleton;
import org.apache.commons.lang3.time.DateUtils;
import org.hibernate.SessionFactory;
import com.commafeed.CommaFeedConfiguration;
import com.commafeed.backend.dao.UnitOfWork;
import com.commafeed.backend.dao.UserDAO;
import com.commafeed.backend.model.User;
import com.commafeed.backend.service.FeedSubscriptionService;
@@ -20,6 +22,7 @@ public class PostLoginActivities {
private final UserDAO userDAO;
private final FeedSubscriptionService feedSubscriptionService;
private final SessionFactory sessionFactory;
private final CommaFeedConfiguration config;
public void executeFor(User user) {
@@ -27,19 +30,26 @@ public class PostLoginActivities {
Date now = new Date();
boolean saveUser = false;
// only update lastLogin field every hour in order to not
// invalidate the cache every time someone logs in
if (lastLogin == null || lastLogin.before(DateUtils.addHours(now, -1))) {
user.setLastLogin(now);
saveUser = true;
}
if (config.getApplicationSettings().getHeavyLoad() && user.shouldRefreshFeedsAt(now)) {
if (Boolean.TRUE.equals(config.getApplicationSettings().getHeavyLoad()) && user.shouldRefreshFeedsAt(now)) {
feedSubscriptionService.refreshAll(user);
user.setLastFullRefresh(now);
saveUser = true;
}
if (saveUser) {
userDAO.saveOrUpdate(user);
// Post login activites are susceptible to run for any webservice call.
// We update the user in a new transaction to update the user immediately.
// If we didn't and the webservice call takes time, subsequent webservice calls would have to wait for the first call to
// finish even if they didn't use the same database tables, because they updated the user too.
UnitOfWork.run(sessionFactory, () -> userDAO.saveOrUpdate(user));
}
}