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package com.juick.service;
import com.juick.User;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
import javax.inject.Inject;
import java.util.Collections;
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) {
if (forUser == null)
return Collections.emptyList();
return getNamedParameterJdbcTemplate().queryForList(
"SELECT users.nick FROM subscr_users su1 INNER JOIN users u " +
"ON su1.user_id = u.id " +
"WHERE NOT EXISTS (SELECT 1 FROM subscr_users su2 WHERE su2.suser_id = :uid and su1.user_id = su2.user_id) " +
"AND EXISTS (SELECT 1 FROM subscr_users su3 WHERE su3.suser_id = :uid and su3.user_id = su1.suser_id ) " +
"AND NOT EXISTS (SELECT 1 FROM bl_users b WHERE b.user_id = :uid and su1.user_id = b.bl_user_id) " +
"AND su1.user_id != :uid AND u.lastmessage > UNIX_TIMESTAMP() - 259200 " +
"GROUP BY su1.user_id ORDER BY count(*) DESC LIMIT 10",
new MapSqlParameterSource("uid", forUser.getUid()),
String.class);
}
@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);
}
}
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