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 getRecommendedUsers(final User forUser) { if (forUser == null) return Collections.emptyList(); return getNamedParameterJdbcTemplate().queryForList( "SELECT u.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 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); } }