package cn.iocoder.yudao.module.iot.service.rule.data;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.module.iot.controller.admin.rule.vo.data.sink.IotDataSinkPageReqVO;
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import cn.iocoder.yudao.module.iot.controller.admin.rule.vo.data.sink.IotDataSinkSaveReqVO;
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import cn.iocoder.yudao.module.iot.dal.dataobject.rule.IotDataSinkDO;
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import cn.iocoder.yudao.module.iot.dal.mysql.rule.IotDataSinkMapper;
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import cn.iocoder.yudao.module.iot.dal.redis.RedisKeyConstants;
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import jakarta.annotation.Resource;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.util.Collection;
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import java.util.List;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.iot.enums.ErrorCodeConstants.DATA_SINK_DELETE_FAIL_USED_BY_RULE;
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import static cn.iocoder.yudao.module.iot.enums.ErrorCodeConstants.DATA_SINK_NAME_EXISTS;
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import static cn.iocoder.yudao.module.iot.enums.ErrorCodeConstants.DATA_SINK_NOT_EXISTS;
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/**
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* IoT 数据流转目的 Service 实现类
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*
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* @author HUIHUI
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*/
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@Service
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@Validated
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public class IotDataSinkServiceImpl implements IotDataSinkService {
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@Resource
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private IotDataSinkMapper dataSinkMapper;
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@Resource
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@Lazy // 延迟，避免循环依赖报错
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private IotDataRuleService dataRuleService;
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@Override
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public Long createDataSink(IotDataSinkSaveReqVO createReqVO) {
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// 校验名称唯一
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validateDataSinkNameUnique(null, createReqVO.getName());
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// 新增
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IotDataSinkDO dataBridge = BeanUtils.toBean(createReqVO, IotDataSinkDO.class);
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dataSinkMapper.insert(dataBridge);
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return dataBridge.getId();
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}
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@Override
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public void updateDataSink(IotDataSinkSaveReqVO updateReqVO) {
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// 校验存在
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validateDataBridgeExists(updateReqVO.getId());
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// 校验名称唯一
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validateDataSinkNameUnique(updateReqVO.getId(), updateReqVO.getName());
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// 更新
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IotDataSinkDO updateObj = BeanUtils.toBean(updateReqVO, IotDataSinkDO.class);
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dataSinkMapper.updateById(updateObj);
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}
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@Override
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public void deleteDataSink(Long id) {
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// 校验存在
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validateDataBridgeExists(id);
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// 校验是否被数据流转规则使用
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if (CollUtil.isNotEmpty(dataRuleService.getDataRuleListBySinkId(id))) {
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throw exception(DATA_SINK_DELETE_FAIL_USED_BY_RULE);
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}
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// 删除
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dataSinkMapper.deleteById(id);
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}
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private void validateDataBridgeExists(Long id) {
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if (dataSinkMapper.selectById(id) == null) {
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throw exception(DATA_SINK_NOT_EXISTS);
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}
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}
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/**
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* 校验数据流转目的名称唯一性
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*
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* @param id 数据流转目的编号（用于更新时排除自身）
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* @param name 数据流转目的名称
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*/
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private void validateDataSinkNameUnique(Long id, String name) {
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if (StrUtil.isBlank(name)) {
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return;
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}
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IotDataSinkDO dataSink = dataSinkMapper.selectByName(name);
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if (dataSink == null) {
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return;
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}
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// 如果 id 为空，说明不用比较是否为相同 id 的目的
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if (id == null) {
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throw exception(DATA_SINK_NAME_EXISTS);
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}
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if (!dataSink.getId().equals(id)) {
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throw exception(DATA_SINK_NAME_EXISTS);
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}
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}
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@Override
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public IotDataSinkDO getDataSink(Long id) {
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return dataSinkMapper.selectById(id);
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}
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@Override
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@Cacheable(value = RedisKeyConstants.DATA_SINK, key = "#id")
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public IotDataSinkDO getDataSinkFromCache(Long id) {
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return dataSinkMapper.selectById(id);
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}
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@Override
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public PageResult<IotDataSinkDO> getDataSinkPage(IotDataSinkPageReqVO pageReqVO) {
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return dataSinkMapper.selectPage(pageReqVO);
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}
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@Override
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public List<IotDataSinkDO> getDataSinkListByStatus(Integer status) {
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return dataSinkMapper.selectListByStatus(status);
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}
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@Override
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public void validateDataSinksExist(Collection<Long> ids) {
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if (CollUtil.isEmpty(ids)) {
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return;
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}
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List<IotDataSinkDO> sinks = dataSinkMapper.selectByIds(ids);
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if (sinks.size() != ids.size()) {
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throw exception(DATA_SINK_NOT_EXISTS);
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}
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}
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}
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