feat(iot): 添加设备日志定时清理功能

- 在DeviceMapper中新增批量删除设备、事件、功能日志的方法
- 在DeviceMapper.xml中添加对应的SQL删除语句
- 在DeviceServiceImpl中实现批量删除日志逻辑和定时清理方法
- 创建DevLogDeleteJob定时任务类执行日志清理
- 在IDeviceService接口中添加devLogDelete方法定义
- 实现按天数阈值分批删除历史日志数据
- 添加日志清理进度监控和统计功能

Signed-off-by: Gjm <你的邮箱>

lidee-service/lidee-iot-service/src/main/java/iot/lidee/iot/mapper/DeviceMapper.java

@@ -11,6 +11,7 @@ import iot.lidee.iot.model.ThingsModels.ThingsModelValuesOutput;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 
+import java.util.Date;
 import java.util.List;
 import java.util.Set;
 
@@ -381,4 +382,10 @@ public interface DeviceMapper extends BaseMapperX<Device>
      */
     public List<String> selectSerialNumbersByProductId(@Param("productId") Long productId);
 
+    int deleteDeviceLogBatch(@Param("cutoffDate") Date cutoffDate, @Param("batchSize") int batchSize);
+
+    int deleteEventLogBatch(@Param("cutoffDate") Date cutoffDate, @Param("batchSize") int batchSize);
+
+    int deleteFunctionLogBatch(@Param("cutoffDate") Date cutoffDate, @Param("batchSize") int batchSize);
+
 }

lidee-service/lidee-iot-service/src/main/java/iot/lidee/iot/service/IDeviceService.java

@@ -362,4 +362,5 @@ public interface IDeviceService
 
     public int updateDeviceBySerialNumber(Device device) ;
 
+    void devLogDelete();
 }

lidee-service/lidee-iot-service/src/main/java/iot/lidee/iot/service/impl/DeviceServiceImpl.java

@@ -1847,5 +1847,99 @@ public class DeviceServiceImpl implements IDeviceService {
     public List<String> selectSerialNumbersByProductId(Long productId) {
         return deviceMapper.selectSerialNumbersByProductId(productId);
     }
+    @Override
+    public void devLogDelete() {
+        batchDeleteLogsBeforeDays(15);
+    }
+    @Transactional(rollbackFor = Exception.class)
+    public void batchDeleteLogsBeforeDays(int days) {
+        Date cutoffDate = DateUtils.addDays(new Date(), -days);
 
+        log.info("开始删除{}天前的日志数据,截止时间:{}", days, cutoffDate);
+
+        long totalDeleted = 0;
+
+        long deviceLogDeleted = deleteDeviceLogBatch(cutoffDate);
+        totalDeleted += deviceLogDeleted;
+        log.info("删除设备日志(iot_device_log)完成,共删除:{}条", deviceLogDeleted);
+
+        long eventLogDeleted = deleteEventLogBatch(cutoffDate);
+        totalDeleted += eventLogDeleted;
+        log.info("删除事件日志(iot_event_log)完成,共删除:{}条", eventLogDeleted);
+
+        long functionLogDeleted = deleteFunctionLogBatch(cutoffDate);
+        totalDeleted += functionLogDeleted;
+        log.info("删除功能日志(iot_function_log)完成,共删除:{}条", functionLogDeleted);
+
+        log.info("日志清理完成,总计删除:{}条记录", totalDeleted);
+    }
+
+    private long deleteDeviceLogBatch(Date cutoffDate) {
+        long totalDeleted = 0;
+        int batchSize = 5000;
+
+        while (true) {
+            int deleted = deviceMapper.deleteDeviceLogBatch(cutoffDate, batchSize);
+            totalDeleted += deleted;
+
+            if (deleted == 0) {
+                break;
+            }
+
+            try {
+                Thread.sleep(100);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                break;
+            }
+        }
+
+        return totalDeleted;
+    }
+
+    private long deleteEventLogBatch(Date cutoffDate) {
+        long totalDeleted = 0;
+        int batchSize = 5000;
+
+        while (true) {
+            int deleted = deviceMapper.deleteEventLogBatch(cutoffDate, batchSize);
+            totalDeleted += deleted;
+
+            if (deleted == 0) {
+                break;
+            }
+
+            try {
+                Thread.sleep(100);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                break;
+            }
+        }
+
+        return totalDeleted;
+    }
+
+    private long deleteFunctionLogBatch(Date cutoffDate) {
+        long totalDeleted = 0;
+        int batchSize = 5000;
+
+        while (true) {
+            int deleted = deviceMapper.deleteFunctionLogBatch(cutoffDate, batchSize);
+            totalDeleted += deleted;
+
+            if (deleted == 0) {
+                break;
+            }
+
+            try {
+                Thread.sleep(100);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                break;
+            }
+        }
+
+        return totalDeleted;
+    }
 }

lidee-service/lidee-iot-service/src/main/resources/mapper/iot/DeviceMapper.xml

@@ -968,4 +968,22 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where d.product_id = #{productId,jdbcType=BIGINT}
     </select>
 
+
+    <delete id="deleteDeviceLogBatch">
+        DELETE FROM iot_device_log
+        WHERE create_time &lt; #{cutoffDate}
+            LIMIT #{batchSize}
+    </delete>
+
+    <delete id="deleteEventLogBatch">
+        DELETE FROM iot_event log
+        WHERE create_time &lt; #{cutoffDate}
+            LIMIT #{batchSize}
+    </delete>
+
+    <delete id="deleteFunctionLogBatch">
+        DELETE FROM iot_alert_log
+        WHERE create_time &lt; #{cutoffDate}
+            LIMIT #{batchSize}
+    </delete>
 </mapper>