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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.CassandraACLDAOV2;

import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

public class AclV2DAOSubscriber implements ReactiveSubscriber {
    private final CassandraACLDAOV2 acldaov2;

    public AclV2DAOSubscriber(CassandraACLDAOV2 acldaov2) {
        this.acldaov2 = acldaov2;
    }

    @Override
    public Mono<Void> handleReactive(Event event) {
        if (event instanceof ACLUpdated) {
            ACLUpdated aclUpdated = (ACLUpdated) event;

            return Flux.fromStream(
                aclUpdated.getAclDiff()
                    .commands())
                .flatMap(command -> acldaov2.updateACL(aclUpdated.mailboxId(), command))
                .then();
        }
        return Mono.empty();
    }
}
