From b5e1bceabb36fe1d1e5e88397280d12e7044c6dd Mon Sep 17 00:00:00 2001
From: xiaoyi <908147524@qq.com>
Date: 星期五, 06 十一月 2026 15:32:31 +0800
Subject: [PATCH] 完善设备采集、安全管理及采购业务

---
 yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/collect/MesCollectQueryService.java |   37 +++++++++++++++++++++++++++++++++++++
 1 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/collect/MesCollectQueryService.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/collect/MesCollectQueryService.java
index a99818e..c3229b5 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/collect/MesCollectQueryService.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/collect/MesCollectQueryService.java
@@ -17,6 +17,11 @@
 import cn.iocoder.yudao.module.mes.service.md.workstation.MesMdWorkstationService;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.mes.framework.collect.config.MesCollectProperties;
+import java.time.Duration;
+import java.util.ArrayList;
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.invalidParamException;
 
 import java.time.LocalDateTime;
 import java.util.List;
@@ -60,6 +65,38 @@
     private MesCollectTaskResolver taskResolver;
     @Resource
     private MesMdWorkstationService workstationService;
+    @Resource
+    private MesCollectProperties collectProperties;
+
+    /** 鍩轰簬淇濈暀鐨勬暟閲囧巻鍙茶绠楃绾垮尯闂达紝棣栨閲囨牱涔嬪墠涓嶄綔鎺ㄦ柇銆� */
+    public MesCollectOfflineResultRespVO getOfflineIntervals(String deviceCode, LocalDateTime start, LocalDateTime end) {
+        LocalDateTime now = LocalDateTime.now();
+        if (deviceCode == null || deviceCode.isBlank() || start == null || end == null || !start.isBefore(end)
+                || end.isAfter(now) || Duration.between(start, end).compareTo(Duration.ofDays(7)) > 0) {
+            throw invalidParamException("璇烽�夋嫨鏈夋晥鐨勮澶囧拰鏃堕棿鑼冨洿锛屽崟娆℃渶澶氭煡璇竷澶╋紝缁撴潫鏃堕棿涓嶈兘鏅氫簬褰撳墠鏃堕棿");
+        }
+        if (start.isBefore(now.minusDays(collectProperties.getRetention().getRealtimeDays()))) {
+            throw invalidParamException("鏌ヨ鏃堕棿瓒呭嚭鏁伴噰鍘嗗彶淇濈暀鏈燂紝鏃犳硶鍙潬璁$畻鍋滄満璁板綍");
+        }
+        var prior = realtimeHistoryMapper.selectOne(new LambdaQueryWrapperX<MesCollectRealtimeHistoryDO>()
+                .eq(MesCollectRealtimeHistoryDO::getDeviceCode, deviceCode)
+                .ge(MesCollectRealtimeHistoryDO::getCollectTime, now.minusDays(collectProperties.getRetention().getRealtimeDays()))
+                .le(MesCollectRealtimeHistoryDO::getCollectTime, start)
+                .orderByDesc(MesCollectRealtimeHistoryDO::getCollectTime).last("LIMIT 1"));
+        var history = realtimeHistoryMapper.selectList(new LambdaQueryWrapperX<MesCollectRealtimeHistoryDO>()
+                .eq(MesCollectRealtimeHistoryDO::getDeviceCode, deviceCode)
+                .gt(MesCollectRealtimeHistoryDO::getCollectTime, start)
+                .le(MesCollectRealtimeHistoryDO::getCollectTime, end)
+                .orderByAsc(MesCollectRealtimeHistoryDO::getCollectTime).last("LIMIT 100001"));
+        if (history.size() > 100000) throw invalidParamException("閲囨牱鏁版嵁杩囧锛岃缂╃煭鏌ヨ鏃堕棿鑼冨洿");
+        List<LocalDateTime> samples = new ArrayList<>();
+        if (prior != null) samples.add(prior.getCollectTime());
+        history.forEach(item -> samples.add(item.getCollectTime()));
+        var intervals = CollectOfflinePolicy.calculate(samples, start, end, Duration.ofMinutes(ONLINE_TIMEOUT_MINUTES)).stream()
+                .map(item -> new MesCollectOfflineIntervalRespVO(item.start(), item.end(), Duration.between(item.start(), item.end()).getSeconds()))
+                .toList();
+        return new MesCollectOfflineResultRespVO(samples.isEmpty() ? null : samples.getFirst(), intervals);
+    }
 
     /**
      * 鑾峰彇宸查厤缃暟閲囩紪鐮佺殑璁惧瀹炴椂鐘舵�佸垪琛�

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