mailbox/cassandra/src/main/java/org/apache/james/mailbox/cassandra/mail/eventsourcing/acl/UserRightsDAOSubscriber.java

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package org.apache.james.mailbox.cassandra.mail.eventsourcing.acl;

import org.apache.james.eventsourcing.Event;
import org.apache.james.eventsourcing.ReactiveSubscriber;
import org.apache.james.mailbox.cassandra.mail.CassandraUserMailboxRightsDAO;
import org.reactivestreams.Publisher;

import reactor.core.publisher.Mono;

public class UserRightsDAOSubscriber implements ReactiveSubscriber {
    private final CassandraUserMailboxRightsDAO userRightsDAO;

    public UserRightsDAOSubscriber(CassandraUserMailboxRightsDAO userRightsDAO) {
        this.userRightsDAO = userRightsDAO;
    }

    @Override
    public Publisher<Void> handleReactive(Event event) {
        if (event instanceof ACLUpdated) {
            ACLUpdated aclUpdated = (ACLUpdated) event;
            return userRightsDAO.update(aclUpdated.mailboxId(), aclUpdated.getAclDiff());
        }
        return Mono.empty();
    }
}