/**
 * Copyright (c) 2016-2019, Michael Yang 杨福海 (fuhai999@gmail.com).
 * <p>
 * Licensed under the GNU Lesser General Public License (LGPL) ,Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.gnu.org/licenses/lgpl-3.0.txt
 * <p>
 * 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.
 */
package io.jpress.module.page.sitemap;

import com.jfinal.aop.Inject;
import io.jpress.module.page.model.SinglePage;
import io.jpress.module.page.service.SinglePageService;
import io.jpress.web.sitemap.Sitemap;
import io.jpress.web.sitemap.impl.NewestSitemapProvider;
import org.apache.commons.lang3.time.DateUtils;

import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;


public class NewstPageSitemapProvider implements NewestSitemapProvider {

    @Inject
    private SinglePageService pageService;


    @Override
    public List<Sitemap> getSitemaps() {
        List<SinglePage> pageList = pageService.findAll();
        if (pageList == null || pageList.isEmpty()) {
            return null;
        }
        return pageList.stream()
                .filter(page -> page.getModified() != null
                        && DateUtils.addDays(new Date(),-3).getTime() <= page.getModified().getTime())
                .map(Util::toSitemap)
                .collect(Collectors.toList());
    }

}
