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package org.apache.james.vacation.cassandra;

import javax.inject.Inject;

import org.apache.james.vacation.api.AccountId;
import org.apache.james.vacation.api.Vacation;
import org.apache.james.vacation.api.VacationPatch;
import org.apache.james.vacation.api.VacationRepository;

import com.google.common.base.Preconditions;

import reactor.core.publisher.Mono;

public class CassandraVacationRepository implements VacationRepository {

    private final CassandraVacationDAO cassandraVacationDAO;

    @Inject
    public CassandraVacationRepository(CassandraVacationDAO cassandraVacationDAO) {
        this.cassandraVacationDAO = cassandraVacationDAO;
    }

    @Override
    public Mono<Void> modifyVacation(AccountId accountId, VacationPatch vacationPatch) {
        Preconditions.checkNotNull(accountId);
        Preconditions.checkNotNull(vacationPatch);
        if (vacationPatch.isIdentity()) {
            return Mono.empty();
        } else {
            return cassandraVacationDAO.modifyVacation(accountId, vacationPatch);
        }
    }

    @Override
    public Mono<Vacation> retrieveVacation(AccountId accountId) {
        return cassandraVacationDAO.retrieveVacation(accountId).map(optional -> optional.orElse(DEFAULT_VACATION));
    }
}
