juick-server/src/main/java/com/juick/service/ShowQueriesServiceImpl.java


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package com.juick.service;

import com.juick.User;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import javax.inject.Inject;
import java.util.List;

/**
 * Created by aalexeev on 11/13/16.
 */
@Repository
@Transactional(readOnly = true)
public class ShowQueriesServiceImpl extends BaseJdbcService implements ShowQueriesService {

    @Inject
    public ShowQueriesServiceImpl(JdbcTemplate jdbcTemplate) {
        super(jdbcTemplate, null);
    }

    @Override
    public List<String> getRecommendedUsers(final User forUser) {
        return getJdbcTemplate().queryForList(
                "SELECT users.nick FROM subscr_users INNER JOIN users " +
                        "ON subscr_users.user_id=users.id " +
                        "WHERE subscr_users.user_id NOT IN (SELECT user_id FROM subscr_users WHERE suser_id=?) " +
                        "AND subscr_users.suser_id IN (SELECT user_id FROM subscr_users WHERE suser_id=?) " +
                        "AND subscr_users.user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?) " +
                        "AND subscr_users.user_id!=? AND users.lastmessage>UNIX_TIMESTAMP()-259200 " +
                        "GROUP BY subscr_users.user_id ORDER BY count(*) DESC LIMIT 10",
                String.class,
                forUser.getUid(),
                forUser.getUid(),
                forUser.getUid(),
                forUser.getUid());
    }

    @Override
    public List<String> getTopUsers() {
        return getJdbcTemplate().queryForList(
                "SELECT users.nick,COUNT(subscr_users.suser_id) AS cnt " +
                        "FROM (subscr_users INNER JOIN users ON subscr_users.user_id=users.id) " +
                        "INNER JOIN useroptions ON users.id=useroptions.user_id " +
                        "WHERE useroptions.privacy_view>0 AND users.lastmessage > UNIX_TIMESTAMP() - 259200 " +
                        "AND users.id!=2 GROUP BY subscr_users.user_id ORDER BY cnt DESC LIMIT 10",
                String.class);
    }
}