【功能优化】Bpm：完善最新数据的接口

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDeviceDataController.java

@@ -1,50 +0,0 @@
-package cn.iocoder.yudao.module.iot.controller.admin.device;
-
-import cn.iocoder.yudao.framework.common.pojo.CommonResult;
-import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataPageReqVO;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataRespVO;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotTimeDataRespVO;
-import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDevicePropertyDO;
-import cn.iocoder.yudao.module.iot.service.device.data.IotDevicePropertyService;
-import io.swagger.v3.oas.annotations.Operation;
-import io.swagger.v3.oas.annotations.tags.Tag;
-import jakarta.annotation.Resource;
-import jakarta.validation.Valid;
-import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-import java.util.List;
-import java.util.Map;
-
-import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
-
-@Tag(name = "管理后台 - IoT 设备数据")
-@RestController
-@RequestMapping("/iot/device/data")
-@Validated
-public class IotDeviceDataController {
-
-    @Resource
-    private IotDevicePropertyService deviceDataService;
-
-    // TODO @浩浩：这里的 /latest-list，包括方法名。
-    @GetMapping("/latest")
-    @Operation(summary = "获取设备属性最新数据")
-    public CommonResult<List<IotDeviceDataRespVO>> getLatestDeviceProperties(@Valid IotDeviceDataPageReqVO deviceDataReqVO) {
-        List<IotDevicePropertyDO> list = deviceDataService.getLatestDeviceProperties(deviceDataReqVO);
-        return success(BeanUtils.toBean(list, IotDeviceDataRespVO.class));
-    }
-
-    // TODO @浩浩：这里的 /history-page 包括方法名。
-    @GetMapping("/history")
-    @Operation(summary = "获取设备属性历史数据")
-    public CommonResult<PageResult<IotTimeDataRespVO>> getHistoryDeviceProperties(@Valid IotDeviceDataPageReqVO deviceDataReqVO) {
-        PageResult<Map<String, Object>> list = deviceDataService.getHistoryDeviceProperties(deviceDataReqVO);
-        return success(BeanUtils.toBean(list, IotTimeDataRespVO.class));
-    }
-
-}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDeviceLogController.java

@@ -3,8 +3,8 @@ package cn.iocoder.yudao.module.iot.controller.admin.device;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceLogPageReqVO;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceLogRespVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceLogPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceLogRespVO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceLogDO;
 import cn.iocoder.yudao.module.iot.service.device.data.IotDeviceLogService;
 import io.swagger.v3.oas.annotations.Operation;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/IotDevicePropertyController.java

@@ -0,0 +1,75 @@
+package cn.iocoder.yudao.module.iot.controller.admin.device;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.lang.Assert;
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceDataPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceDataRespVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotTimeDataRespVO;
+import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDO;
+import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDevicePropertyDO;
+import cn.iocoder.yudao.module.iot.dal.dataobject.thingmodel.IotThingModelDO;
+import cn.iocoder.yudao.module.iot.service.device.IotDeviceService;
+import cn.iocoder.yudao.module.iot.service.device.data.IotDevicePropertyService;
+import cn.iocoder.yudao.module.iot.service.thingmodel.IotThingModelService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.validation.Valid;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+import java.util.Map;
+
+import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
+
+@Tag(name = "管理后台 - IoT 设备属性")
+@RestController
+@RequestMapping("/iot/device/property")
+@Validated
+public class IotDevicePropertyController {
+
+    @Resource
+    private IotDevicePropertyService devicePropertyService;
+    @Resource
+    private IotThingModelService thingModelService;
+    @Resource
+    private IotDeviceService deviceService;
+
+    @GetMapping("/latest")
+    @Operation(summary = "获取设备属性最新属性")
+    public CommonResult<List<IotDeviceDataRespVO>> getLatestDeviceProperties(@Valid IotDeviceDataPageReqVO pageReqVO) {
+        Map<String, IotDevicePropertyDO> properties = devicePropertyService.getLatestDeviceProperties(pageReqVO);
+
+        // 拼接数据
+        IotDeviceDO device = deviceService.getDevice(pageReqVO.getDeviceId());
+        Assert.notNull(device, "设备不存在");
+        List<IotThingModelDO> thingModels = thingModelService.getThingModelListByProductId(device.getProductId());
+        return success(convertList(properties.entrySet(), entry -> {
+            IotThingModelDO thingModel = CollUtil.findOne(thingModels,
+                    item -> item.getIdentifier().equals(entry.getKey()));
+            if (thingModel == null || thingModel.getProperty() == null) {
+                return null;
+            }
+            IotDevicePropertyDO property = entry.getValue();
+            return BeanUtils.toBean(thingModel, IotDeviceDataRespVO.class)
+                    .setDataType(thingModel.getProperty().getDataType())
+                    .setValue(property.getValue()).setUpdateTime(property.getUpdateTime());
+        }));
+    }
+
+    // TODO @浩浩：这里的 /history-page 包括方法名。
+    @GetMapping("/history")
+    @Operation(summary = "获取设备属性历史数据")
+    public CommonResult<PageResult<IotTimeDataRespVO>> getHistoryDeviceProperties(@Valid IotDeviceDataPageReqVO pageReqVO) {
+        PageResult<Map<String, Object>> list = devicePropertyService.getHistoryDeviceProperties(pageReqVO);
+        return success(BeanUtils.toBean(list, IotTimeDataRespVO.class));
+    }
+
+}

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/deviceData/IotDeviceDataPageReqVO.java → yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/data/IotDeviceDataPageReqVO.java

@@ -1,20 +1,16 @@
-package cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData;
+package cn.iocoder.yudao.module.iot.controller.admin.device.vo.data;
 
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import io.swagger.v3.oas.annotations.media.Schema;
-import jakarta.validation.constraints.Size;
+import jakarta.validation.constraints.NotNull;
 import lombok.Data;
-import org.springframework.format.annotation.DateTimeFormat;
-
-import java.time.LocalDateTime;
-
-import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
 
 @Schema(description = "管理后台 - IoT 设备数据 Request VO")
 @Data
 public class IotDeviceDataPageReqVO extends PageParam {
 
     @Schema(description = "设备编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "177")
+    @NotNull(message = "设备编号不能为空")
     private Long deviceId;
 
     @Schema(description = "属性标识符", requiredMode = Schema.RequiredMode.REQUIRED)
@@ -23,9 +19,4 @@ public class IotDeviceDataPageReqVO extends PageParam {
     @Schema(description = "属性名称", requiredMode = Schema.RequiredMode.REQUIRED)
     private String name;
 
-    @Schema(description = "时间范围", requiredMode = Schema.RequiredMode.NOT_REQUIRED)
-    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
-    @Size(min = 2, max = 2, message = "请选择时间范围")
-    private LocalDateTime[] times;
-
 }

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/deviceData/IotDeviceDataRespVO.java → yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/data/IotDeviceDataRespVO.java

@@ -1,28 +1,27 @@
-package cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData;
+package cn.iocoder.yudao.module.iot.controller.admin.device.vo.data;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
 import java.time.LocalDateTime;
 
-@Schema(description = "管理后台 - IoT 设备数据 Response VO")
+@Schema(description = "管理后台 - IoT 设备属性 Response VO")
 @Data
 public class IotDeviceDataRespVO {
 
-    @Schema(description = "设备编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "177")
-    private Long deviceId;
+    @Schema(description = "属性标识符", requiredMode = Schema.RequiredMode.REQUIRED)
+    private String identifier;
 
-    @Schema(description = "物模型编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "21816")
-    private Long thingModelId;
+    @Schema(description = "最新值", requiredMode = Schema.RequiredMode.REQUIRED)
+    private Object value;
 
-    @Schema(description = "产品标识", requiredMode = Schema.RequiredMode.REQUIRED)
-    private String productKey;
+    @Schema(description = "更新时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    private LocalDateTime updateTime;
 
-    @Schema(description = "设备名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "王五")
-    private String deviceName;
+    // ========== 基于 ThingModel 查询 ==========
 
-    @Schema(description = "属性标识符", requiredMode = Schema.RequiredMode.REQUIRED)
-    private String identifier;
+//    @Schema(description = "物模型编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "21816")
+//    private Long thingModelId;
 
     @Schema(description = "属性名称", requiredMode = Schema.RequiredMode.REQUIRED)
     private String name;
@@ -30,10 +29,4 @@ public class IotDeviceDataRespVO {
     @Schema(description = "数据类型", requiredMode = Schema.RequiredMode.REQUIRED)
     private String dataType;
 
-    @Schema(description = "更新时间", requiredMode = Schema.RequiredMode.REQUIRED)
-    private LocalDateTime updateTime;
-
-    @Schema(description = "最新值", requiredMode = Schema.RequiredMode.REQUIRED)
-    private String value;
-
 }

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/deviceData/IotDeviceLogPageReqVO.java → yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/data/IotDeviceLogPageReqVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData;
+package cn.iocoder.yudao.module.iot.controller.admin.device.vo.data;
 
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import io.swagger.v3.oas.annotations.media.Schema;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/deviceData/IotDeviceLogRespVO.java → yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/data/IotDeviceLogRespVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData;
+package cn.iocoder.yudao.module.iot.controller.admin.device.vo.data;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
@@ -22,7 +22,7 @@ public class IotDeviceLogRespVO {
     private String type;
 
     @Schema(description = "标识符", requiredMode = Schema.RequiredMode.REQUIRED, example = "temperature")
-    private String subType;
+    private String identifier;
 
     @Schema(description = "日志内容", requiredMode = Schema.RequiredMode.REQUIRED)
     private String content;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/deviceData/IotTimeDataRespVO.java → yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/device/vo/data/IotTimeDataRespVO.java

@@ -1,4 +1,4 @@
-package cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData;
+package cn.iocoder.yudao.module.iot.controller.admin.device.vo.data;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/redis/device/DevicePropertyRedisDAO.java

@@ -28,8 +28,9 @@ public class DevicePropertyRedisDAO {
         if (CollUtil.isEmpty(entries)) {
             return Collections.emptyMap();
         }
-        return convertMap(entries.values(), key -> (String) key,
-                value -> JsonUtils.parseObject((String) value, IotDevicePropertyDO.class));
+        return convertMap(entries.entrySet(),
+                entry -> (String) entry.getKey(),
+                entry -> JsonUtils.parseObject((String) entry.getValue(), IotDevicePropertyDO.class));
     }
 
     public void set(String deviceKey, Map<String, IotDevicePropertyDO> properties) {

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/tdengine/IotDeviceLogMapper.java

@@ -1,6 +1,6 @@
 package cn.iocoder.yudao.module.iot.dal.tdengine;
 
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceLogPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceLogPageReqVO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceLogDO;
 import cn.iocoder.yudao.module.iot.framework.tdengine.core.annotation.TDengineDS;
 import com.baomidou.mybatisplus.annotation.InterceptorIgnore;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/IotDeviceService.java

@@ -59,6 +59,14 @@ public interface IotDeviceService {
      */
     void deleteDeviceList(Collection<Long> ids);
 
+    /**
+     * 校验设备是否存在
+     *
+     * @param id 设备 ID
+     * @return 设备对象
+     */
+    IotDeviceDO validateDeviceExists(Long id);
+
     /**
      * 获得设备
      *
@@ -67,7 +75,6 @@ public interface IotDeviceService {
      */
     IotDeviceDO getDevice(Long id);
 
-
     /**
      * 根据设备 key 获得设备
      *

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/IotDeviceServiceImpl.java

@@ -187,13 +187,8 @@ public class IotDeviceServiceImpl implements IotDeviceService {
         deleteDeviceCache(devices);
     }
 
-    /**
-     * 校验设备是否存在
-     *
-     * @param id 设备 ID
-     * @return 设备对象
-     */
-    private IotDeviceDO validateDeviceExists(Long id) {
+    @Override
+    public IotDeviceDO validateDeviceExists(Long id) {
         IotDeviceDO device = deviceMapper.selectById(id);
         if (device == null) {
             throw exception(DEVICE_NOT_EXISTS);

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/data/IotDeviceLogService.java

@@ -1,7 +1,7 @@
 package cn.iocoder.yudao.module.iot.service.device.data;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceLogPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceLogPageReqVO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceLogDO;
 import cn.iocoder.yudao.module.iot.mq.message.IotDeviceMessage;
 

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/data/IotDeviceLogServiceImpl.java

@@ -5,7 +5,7 @@ import cn.hutool.core.util.StrUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceLogPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceLogPageReqVO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceLogDO;
 import cn.iocoder.yudao.module.iot.dal.tdengine.IotDeviceLogMapper;
 import cn.iocoder.yudao.module.iot.mq.message.IotDeviceMessage;

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/data/IotDevicePropertyService.java

@@ -1,12 +1,11 @@
 package cn.iocoder.yudao.module.iot.service.device.data;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceDataPageReqVO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDevicePropertyDO;
 import cn.iocoder.yudao.module.iot.mq.message.IotDeviceMessage;
 import jakarta.validation.Valid;
 
-import java.util.List;
 import java.util.Map;
 
 /**
@@ -36,7 +35,7 @@ public interface IotDevicePropertyService {
      * @param deviceId 设备编号
      * @return 设备属性最新数据
      */
-    List<IotDevicePropertyDO> getLatestDeviceProperties(@Valid IotDeviceDataPageReqVO deviceId);
+    Map<String, IotDevicePropertyDO> getLatestDeviceProperties(@Valid IotDeviceDataPageReqVO deviceId);
 
     /**
      * 获得设备属性历史数据

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/data/IotDevicePropertyServiceImpl.java

@@ -6,7 +6,7 @@ import cn.hutool.core.map.MapUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.tenant.core.aop.TenantIgnore;
-import cn.iocoder.yudao.module.iot.controller.admin.device.vo.deviceData.IotDeviceDataPageReqVO;
+import cn.iocoder.yudao.module.iot.controller.admin.device.vo.data.IotDeviceDataPageReqVO;
 import cn.iocoder.yudao.module.iot.controller.admin.thingmodel.model.dataType.ThingModelDateOrTextDataSpecs;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDeviceDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.IotDevicePropertyDO;
@@ -151,41 +151,12 @@ public class IotDevicePropertyServiceImpl implements IotDevicePropertyService {
     }
 
     @Override
-    public List<IotDevicePropertyDO> getLatestDeviceProperties(@Valid IotDeviceDataPageReqVO deviceDataReqVO) {
-//        List<IotDevicePropertyDO> list = new ArrayList<>();
-//        // 1. 获取设备信息
-//        IotDeviceDO device = deviceService.getDevice(deviceDataReqVO.getDeviceId());
-//        // 2. 获取设备属性最新数据
-//        List<IotThingModelDO> thingModelList = thingModelService.getProductThingModelListByProductKey(device.getProductKey());
-//        thingModelList = filterList(thingModelList, thingModel -> IotThingModelTypeEnum.PROPERTY.getType()
-//                .equals(thingModel.getType()));
-//
-//        // 3. 过滤标识符和属性名称
-//        if (deviceDataReqVO.getIdentifier() != null) {
-//            thingModelList = filterList(thingModelList, thingModel -> thingModel.getIdentifier()
-//                    .toLowerCase().contains(deviceDataReqVO.getIdentifier().toLowerCase()));
-//        }
-//        if (deviceDataReqVO.getName() != null) {
-//            thingModelList = filterList(thingModelList, thingModel -> thingModel.getName()
-//                    .toLowerCase().contains(deviceDataReqVO.getName().toLowerCase()));
-//        }
-//        // 4. 获取设备属性最新数据
-//        thingModelList.forEach(thingModel -> {
-//            IotDevicePropertyDO deviceData = deviceDataRedisDAO.get(device.getProductKey(), device.getDeviceName(), thingModel.getIdentifier());
-//            if (deviceData == null) {
-//                deviceData = new IotDevicePropertyDO();
-//                deviceData.setProductKey(device.getProductKey());
-//                deviceData.setDeviceName(device.getDeviceName());
-//                deviceData.setIdentifier(thingModel.getIdentifier());
-//                deviceData.setDeviceId(deviceDataReqVO.getDeviceId());
-//                deviceData.setThingModelId(thingModel.getId());
-//                deviceData.setName(thingModel.getName());
-//                deviceData.setDataType(thingModel.getProperty().getDataType());
-//            }
-//            list.add(deviceData);
-//        });
-//        return list;
-        return null; // TODO 芋艿：晚点实现
+    public Map<String, IotDevicePropertyDO> getLatestDeviceProperties(@Valid IotDeviceDataPageReqVO pageReqVO) {
+        // 获取设备信息
+        IotDeviceDO device = deviceService.validateDeviceExists(pageReqVO.getDeviceId());
+
+        // 获得设备属性
+        return deviceDataRedisDAO.get(device.getDeviceKey());
     }
 
     @Override