From 88dcafc1216cee968f4059612a402cd06eadfb7e Mon Sep 17 00:00:00 2001
From: dongyukun <1208714201@qq.com>
Date: 星期二, 29 四月 2025 18:32:42 +0800
Subject: [PATCH] 时序数据归档求差算法优化

---
 iailab-module-data/iailab-module-data-biz/src/main/java/com/iailab/module/data/api/point/DataPointApiImpl.java |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/iailab-module-data/iailab-module-data-biz/src/main/java/com/iailab/module/data/api/point/DataPointApiImpl.java b/iailab-module-data/iailab-module-data-biz/src/main/java/com/iailab/module/data/api/point/DataPointApiImpl.java
index 9141100..17d4dec 100644
--- a/iailab-module-data/iailab-module-data-biz/src/main/java/com/iailab/module/data/api/point/DataPointApiImpl.java
+++ b/iailab-module-data/iailab-module-data-biz/src/main/java/com/iailab/module/data/api/point/DataPointApiImpl.java
@@ -17,6 +17,7 @@
 import com.iailab.module.data.point.vo.DaPointPageReqVO;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.util.CollectionUtils;
+import org.springframework.util.StringUtils;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -70,6 +71,24 @@
     }
 
     @Override
+    public Map<String, Object> queryPointMaxValue(ApiPointValueQueryDTO queryDto) {
+        Map<String, Object> result = new HashMap<>();
+        if (StringUtils.isEmpty(queryDto.getPointNo())) {
+            return null;
+        }
+        if (queryDto.getStart() == null) {
+            return null;
+        }
+        DaPointDTO daPointDTO = daPointService.getByNo(queryDto.getPointNo());
+        InfluxPointValuePOJO pojo = new InfluxPointValuePOJO();
+        pojo.setPoint(queryDto.getPointNo());
+        pojo.setType(daPointDTO.getDataType());
+        Object val = influxDBService.queryPointMaxValue(pojo, queryDto.getStart());
+        result.put(queryDto.getPointNo(), val);
+        return result;
+    }
+
+    @Override
     public Map<String, List<Map<String, Object>>> queryPointsHistoryValue(ApiPointsValueQueryDTO queryDto) {
         Map<String, List<Map<String, Object>>> data = new HashMap<>();
         Calendar calendar = Calendar.getInstance();
@@ -112,6 +131,7 @@
             endTime = calendar.getTime();
         }
         if (startTime == null) {
+            calendar.setTime(endTime);
             calendar.add(Calendar.HOUR_OF_DAY, -1);
             startTime = calendar.getTime();
         }

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