AuditEventService.java

package io.github.jhipster.sample.service;

/*-
 * #%L
 * Jhipster Sample Application
 * %%
 * Copyright (C) 2017 Osgiliath
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import io.github.jhipster.sample.config.audit.AuditEventConverter;
import io.github.jhipster.sample.repository.PersistenceAuditEventRepository;
import org.springframework.boot.actuate.audit.AuditEvent;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.Instant;
import java.util.Optional;

/**
 * Service for managing audit events.
 * <p>
 * This is the default implementation to support SpringBoot Actuator AuditEventRepository
 */
@Service
@Transactional
public class AuditEventService {

    private final PersistenceAuditEventRepository persistenceAuditEventRepository;

    private final AuditEventConverter auditEventConverter;

    public AuditEventService(
        PersistenceAuditEventRepository persistenceAuditEventRepository,
        AuditEventConverter auditEventConverter) {

        this.persistenceAuditEventRepository = persistenceAuditEventRepository;
        this.auditEventConverter = auditEventConverter;
    }

    public Page<AuditEvent> findAll(Pageable pageable) {
        return persistenceAuditEventRepository.findAll(pageable)
            .map(auditEventConverter::convertToAuditEvent);
    }

    public Page<AuditEvent> findByDates(Instant fromDate, Instant toDate, Pageable pageable) {
        return persistenceAuditEventRepository.findAllByAuditEventDateBetween(fromDate, toDate, pageable)
            .map(auditEventConverter::convertToAuditEvent);
    }

    public Optional<AuditEvent> find(Long id) {
        return Optional.ofNullable(persistenceAuditEventRepository.findOne(id)).map
            (auditEventConverter::convertToAuditEvent);
    }
}