/*
 * LinShare is an open source filesharing software, part of the LinPKI software
 * suite, developed by Linagora.
 * 
 * Copyright (C) 2015-2016 LINAGORA
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version, provided you comply with the Additional Terms applicable for
 * LinShare software by Linagora pursuant to Section 7 of the GNU Affero General
 * Public License, subsections (b), (c), and (e), pursuant to which you must
 * notably (i) retain the display of the “LinShare™” trademark/logo at the top
 * of the interface window, the display of the “You are using the Open Source
 * and free version of LinShare™, powered by Linagora © 2009–2016. Contribute to
 * Linshare R&D by subscribing to an Enterprise offer!” infobox and in the
 * e-mails sent with the Program, (ii) retain all hypertext links between
 * LinShare and linshare.org, between linagora.com and Linagora, and (iii)
 * refrain from infringing Linagora intellectual property rights over its
 * trademarks and commercial brands. Other Additional Terms apply, see
 * <http://www.linagora.com/licenses/> for more details.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License and
 * its applicable Additional Terms for LinShare along with this program. If not,
 * see <http://www.gnu.org/licenses/> for the GNU Affero General Public License
 * version 3 and <http://www.linagora.com/licenses/> for the Additional Terms
 * applicable to LinShare software.
 */
package org.linagora.linshare.core.business.service.impl;

import java.util.List;

import org.linagora.linshare.core.business.service.DomainAccessPolicyBusinessService;
import org.linagora.linshare.core.domain.entities.AbstractDomain;
import org.linagora.linshare.core.domain.entities.DomainAccessRule;
import org.linagora.linshare.core.exception.BusinessErrorCode;
import org.linagora.linshare.core.exception.BusinessException;
import org.linagora.linshare.core.repository.DomainAccessRuleRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DomainAccessPolicyBusinessServiceImpl implements
		DomainAccessPolicyBusinessService {

	private static final Logger logger = LoggerFactory
			.getLogger(DomainAccessPolicyBusinessServiceImpl.class);

	private final DomainAccessRuleRepository domainAccessRuleRepository;

	public DomainAccessPolicyBusinessServiceImpl(
			DomainAccessRuleRepository domainAccessRuleRepository) {
		super();
		this.domainAccessRuleRepository = domainAccessRuleRepository;

	}

	@Override
	public DomainAccessRule retrieveDomainAccessRule(long id) {
		return domainAccessRuleRepository.findById(id);
	}

	@Override
	public void deleteDomainAccessRule(long persistenceID)
			throws BusinessException {

		DomainAccessRule rule = retrieveDomainAccessRule(persistenceID);
		if (rule == null) {
			logger.error("rule not found: " + persistenceID);
		} else {
			logger.debug("delete rule: " + persistenceID);
			domainAccessRuleRepository.delete(rule);
		}
	}

	@Override
	public DomainAccessRule find(long id) throws BusinessException {
		DomainAccessRule domainAccessRule = domainAccessRuleRepository
				.findById(id);
		if (domainAccessRule == null) {
			throw new BusinessException(BusinessErrorCode.NO_SUCH_ELEMENT,
					"Can not find domainAccessRule");
		}
		return domainAccessRule;
	}

	@Override
	public DomainAccessRule create(DomainAccessRule domainAccessRule)
			throws BusinessException {
		return domainAccessRuleRepository.create(domainAccessRule);
	}

	@Override
	public DomainAccessRule update(DomainAccessRule domainAccessRule)
			throws BusinessException {
		return domainAccessRuleRepository.update(domainAccessRule);
	}

	@Override
	public void delete(DomainAccessRule domainAccessRule)
			throws BusinessException {
		domainAccessRuleRepository.delete(find(domainAccessRule
				.getPersistenceId()));
	}

	@Override
	public List<DomainAccessRule> findByDomain(AbstractDomain domain) {
		return domainAccessRuleRepository.findByDomain(domain);
	}

	@Override
	public boolean domainHasPolicyRules(AbstractDomain domain)
			throws BusinessException {
		long numberOfAccessRules = domainAccessRuleRepository
				.countNumberAccessRulesByDomain(domain);
		return numberOfAccessRules > 0;
	}
}