src/main/java/com/juick/TopManager.java


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/*
 * Copyright (C) 2008-2020, Juick
 *
 * 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.
 *
 * 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
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick;

import com.juick.model.CommandResult;
import com.juick.model.Message;
import com.juick.model.Tag;
import com.juick.model.User;
import com.juick.service.MessagesService;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Scheduled;

import javax.inject.Inject;

import java.net.URI;
import java.util.List;
import java.util.stream.Collectors;

public class TopManager {
    private static final Logger logger = LoggerFactory.getLogger(TopManager.class);
    @Inject
    private MessagesService messagesService;
    @Inject
    private CommandsManager commandsManager;

    @Inject
    private User serviceUser;

    @Scheduled(fixedRate = 3600000)
    public void updateTop() {
        messagesService.getPopularCandidates().forEach(m -> {
            Message jmsg = messagesService.getMessage(m).orElseThrow(IllegalStateException::new);
            List<String> tags = jmsg.getTags().stream().map(Tag::getName).map(String::toLowerCase).collect(Collectors.toList());
            if (!tags.contains("juick")) {
                CommandResult result = commandsManager.commandRecommend(serviceUser, URI.create(StringUtils.EMPTY), String.valueOf(m));
                logger.info("Popular message {}: {}", m,  result.getText());
            } else {
                logger.warn("Popular candidates query broken again");
            }
        });
    }
}