MallServiceImpl.java
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package vion.service.impl.monitor;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.yulichang.base.MPJBaseServiceImpl;
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import io.github.linpeilie.Converter;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import net.dreamlu.iot.mqtt.codec.MqttQoS;
import net.dreamlu.iot.mqtt.spring.client.MqttClientTemplate;
import org.dromara.hutool.core.collection.CollUtil;
import org.dromara.hutool.core.lang.Assert;
import org.dromara.hutool.core.lang.Opt;
import org.dromara.hutool.core.text.StrUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import vion.dto.monitor.MallDTO;
import vion.mapper.monitor.MallMapper;
import vion.model.monitor.*;
import vion.service.monitor.IEventRecordService;
import vion.service.monitor.IMAccountService;
import vion.service.monitor.IMallService;
import vion.service.monitor.IRAgentEventService;
import vion.utils.JsonUtil;
import vion.utils.TopicUtil;
import vion.vo.monitor.MallVO;
import java.util.List;
import java.util.stream.Collectors;
/**
* @author vion
* @date 2024/10/31
*/
@Service
@RequiredArgsConstructor
@Slf4j
public class MallServiceImpl extends MPJBaseServiceImpl<MallMapper, Mall> implements IMallService {
private final IMAccountService accountService;
private final IEventRecordService eventRecordService;
private final IRAgentEventService agentEventService;
private final MqttClientTemplate client;
private final Converter converter;
@Override
public Page<MAccount> listAccount(MAccount dto) {
return accountService.lambdaQuery(dto).page(Page.of(dto.getPageNum(), dto.getPageSize()));
}
@Override
public Page<MallVO> list(MallDTO dto) {
Assert.notNull(dto.getAgentType(), "agentType 不能为空");
var wrapper = new MPJLambdaWrapper<>(converter.convert(dto, Mall.class))
.selectAll(Mall.class)
.selectAs(MAccount::getName, MallVO::getAccountName)
.leftJoin(MAccount.class, MAccount::getUid, Mall::getAccountUid)
.orderByDesc(Mall::getUpdateTime);
return this.selectJoinListPage(Page.of(dto.getPageNum(), dto.getPageSize()), MallVO.class, wrapper);
}
@Override
public MallVO get(Long id) {
var wrapper = new MPJLambdaWrapper<Mall>()
.selectAll(Mall.class)
.selectAs(MAccount::getName, MallVO::getAccountName)
.leftJoin(MAccount.class, MAccount::getUid, Mall::getAccountUid)
.eq(Mall::getId, id);
return this.selectJoinOne(MallVO.class, wrapper);
}
@Override
public Page<MallVO> listAttention(MallDTO dto) {
Assert.notNull(dto.getAgentType(), "agentType 不能为空");
var wrapper = new MPJLambdaWrapper<>(converter.convert(dto, Mall.class))
.selectAll(Mall.class)
.selectAs(MAccount::getName, MallVO::getAccountName)
.selectAs(Agent::getHostname, MallVO::getHostname)
.leftJoin(MAccount.class, MAccount::getUid, Mall::getAccountUid)
.leftJoin(Agent.class, Agent::getUid, Mall::getAgentUid)
.eq(Mall::getAttention, 1)
.orderByDesc(Mall::getUid, Mall::getUpdateTime);
var mallVOPage = this.selectJoinListPage(Page.of(dto.getPageNum(), dto.getPageSize()), MallVO.class, wrapper);
Opt.ofEmptyAble(mallVOPage.getRecords())
.ifPresent(r -> {
var mallUidList = r.stream().map(MallVO::getUid).toList();
// fixme {@link EventServiceImpl #51}
var eventRecWrapper = Wrappers.<EventRecord>query()
.select("DISTINCT on (mall_uid) *")
.in("mall_uid", mallUidList)
.orderByDesc("mall_uid", "create_time");
var eventRecordList = eventRecordService.list(eventRecWrapper);
var mallUid2RecMap = eventRecordList.stream().collect(Collectors.groupingBy(EventRecord::getMallUid));
var agentEventList = agentEventService.lambdaQuery().in(RAgentEvent::getMallUid, mallUidList).list();
var mallUid2AgentEventMap = agentEventList.stream().collect(Collectors.groupingBy(RAgentEvent::getMallUid));
r.forEach(tmp -> {
tmp.setEventRecordList(mallUid2RecMap.getOrDefault(tmp.getUid(), List.of()));
tmp.setAgentEventList(mallUid2AgentEventMap.getOrDefault(tmp.getUid(), List.of()));
});
});
return mallVOPage;
}
@Override
public Page<MallVO> listErrorAttention(MallDTO dto) {
var eventRecWrapper = Wrappers.<EventRecord>query()
.select("DISTINCT on (mall_uid) *")
.eq("agent_type", dto.getAgentType())
.ne("status", 1)
.orderByDesc("mall_uid", "create_time");
var eventRecordList = eventRecordService.list(eventRecWrapper);
if (CollUtil.isEmpty(eventRecordList)) {
return null;
}
var mallUidList = eventRecordList.stream().map(EventRecord::getMallUid).toList();
var agentEventList = agentEventService.lambdaQuery().in(RAgentEvent::getMallUid, mallUidList).list();
var mallUid2AgentEventMap = agentEventList.stream().collect(Collectors.groupingBy(RAgentEvent::getMallUid));
var wrapper = new MPJLambdaWrapper<>(converter.convert(dto, Mall.class))
.selectAll(Mall.class)
.selectAs(MAccount::getName, MallVO::getAccountName)
.selectAs(Agent::getHostname, MallVO::getHostname)
.leftJoin(MAccount.class, MAccount::getUid, Mall::getAccountUid)
.leftJoin(Agent.class, Agent::getUid, Mall::getAgentUid)
.in(Mall::getUid, mallUidList)
.orderByDesc(Mall::getUid, Mall::getUpdateTime);
var mallVOPage = this.selectJoinListPage(Page.of(dto.getPageNum(), dto.getPageSize()), MallVO.class, wrapper);
Opt.ofEmptyAble(mallVOPage.getRecords())
.ifPresent(r -> {
var mallUid2SelfMap = eventRecordList.stream().collect(Collectors.groupingBy(EventRecord::getMallUid));
r.forEach(tmp -> {
tmp.setEventRecordList(mallUid2SelfMap.getOrDefault(tmp.getUid(), List.of()));
tmp.setAgentEventList(mallUid2AgentEventMap.getOrDefault(tmp.getUid(), List.of()));
});
});
return mallVOPage;
}
@Override
public String attention(List<MallDTO> dtoList) {
this.updateBatchById(converter.convert(dtoList, Mall.class));
return "关注成功";
}
@Override
public String attentionByAccount(String accountUid) {
var mallList = this.lambdaQuery().eq(Mall::getAccountUid, accountUid).list();
mallList.forEach(mall -> mall.setAttention((short) 1));
this.updateBatchById(mallList);
return "批量关注成功";
}
@Override
@Transactional(rollbackFor = Exception.class)
public String cancelAttention(Long id) {
var attentionMall = this.getById(id);
this.lambdaUpdate().set(Mall::getAttention, 0).eq(Mall::getId, id).update(new Mall());
var agentEventList = agentEventService.lambdaQuery().eq(RAgentEvent::getMallUid, attentionMall.getUid()).list();
var topic = TopicUtil.getEventTopic(attentionMall.getAgentUid());
if (StrUtil.isBlank(topic)) {
var msg = StrUtil.format("agent:{} 获取topic失败", attentionMall.getAgentUid());
log.error(msg);
return msg;
}
agentEventList.forEach(agentEvent -> client.publish(topic, JsonUtil.toJsonByte(agentEvent), MqttQoS.QOS2));
agentEventService.lambdaUpdate().eq(RAgentEvent::getMallUid, attentionMall.getUid()).remove();
return "取消成功";
}
}