kavin/Piped-Backend
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Fix and optimize pubsub timer query.

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Kavin 2022-08-05 00:03:47 +05:30
parent c74675649e
commit 81fa92361d
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1 changed files with 14 additions and 8 deletions
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22
src/main/java/me/kavin/piped/Main.java
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@ -14,7 +14,10 @@ import org.schabi.newpipe.extractor.services.youtube.YoutubeThrottlingDecrypter;
import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor; import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor;
import java.io.IOException; import java.io.IOException;
import java.util.*; import java.util.Collections;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeUnit;
public class Main { public class Main {
@ -65,19 +68,22 @@ public class Main {
CriteriaBuilder cb = s.getCriteriaBuilder(); CriteriaBuilder cb = s.getCriteriaBuilder();
CriteriaQuery<PubSub> criteria = cb.createQuery(PubSub.class); CriteriaQuery<PubSub> criteria = cb.createQuery(PubSub.class);
var root = criteria.from(PubSub.class); var root = criteria.from(PubSub.class);
var userRoot = criteria.from(User.class); var userSq = criteria.subquery(User.class);
var userRoot = userSq.from(User.class);
userSq.select(userRoot.get("subscribed_ids"));
var subquery = criteria.subquery(UnauthenticatedSubscription.class); var subquery = criteria.subquery(UnauthenticatedSubscription.class);
var subRoot = subquery.from(UnauthenticatedSubscription.class); var subRoot = subquery.from(UnauthenticatedSubscription.class);
subquery.select(subRoot.get("id")) subquery.select(subRoot.get("id"))
.where(cb.gt(subRoot.get("subscribedAt"), System.currentTimeMillis() - TimeUnit.DAYS.toMillis(Constants.SUBSCRIPTIONS_EXPIRY))); .where(cb.gt(subRoot.get("subscribedAt"), System.currentTimeMillis() - TimeUnit.DAYS.toMillis(Constants.SUBSCRIPTIONS_EXPIRY)));
criteria.select(root) criteria.select(root)
.where(cb.or( .where(cb.and(
cb.and(
cb.lessThan(root.get("subbedAt"), System.currentTimeMillis() - TimeUnit.DAYS.toMillis(4)), cb.lessThan(root.get("subbedAt"), System.currentTimeMillis() - TimeUnit.DAYS.toMillis(4)),
cb.isMember(root.get("id"), userRoot.<Collection<String>>get("subscribed_ids")) cb.or(
), root.get("id").in(userSq),
root.get("id").in(subquery) root.get("id").in(subquery)
)); )
)
);
List<PubSub> pubSubList = s.createQuery(criteria).list(); List<PubSub> pubSubList = s.createQuery(criteria).list();