From b9bbb06584924c762d7474bacf97b31cda4f033a Mon Sep 17 00:00:00 2001
From: ngfrolov <ng.frolov@autodrilling.ru>
Date: Fri, 2 Feb 2024 12:14:25 +0500
Subject: [PATCH] draft 3

---
 .../PeriodicWorks/WorkDataSaubStat.cs           | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/AsbCloudInfrastructure/Background/PeriodicWorks/WorkDataSaubStat.cs b/AsbCloudInfrastructure/Background/PeriodicWorks/WorkDataSaubStat.cs
index 69e510f9..3b3c25df 100644
--- a/AsbCloudInfrastructure/Background/PeriodicWorks/WorkDataSaubStat.cs
+++ b/AsbCloudInfrastructure/Background/PeriodicWorks/WorkDataSaubStat.cs
@@ -40,20 +40,19 @@ namespace AsbCloudInfrastructure.Background.PeriodicWorks
             if (!idTelemetries.Any())
                 return;
 
-            var statsQuery = await db.Set<DataSaubStat>()
+            var stats = await db.Set<DataSaubStat>()
                 .Where(s => idTelemetries.Contains(s.IdTelemetry))
-                .ToArrayAsync(token);
-
-            var stats = statsQuery
                 .GroupBy(s => s.IdTelemetry)
-                .ToDictionary(
-                    g => g.Key,
-                    g => g.OrderByDescending(s => s.DateEnd).First()
-                );
+                .Select(g => new
+                {
+                    IdTelemetry = g.Key,
+                    DateEnd = g.Max(s => s.DateEnd),
+                })
+                .ToArrayAsync(token);
 
             foreach ( var idTelemetry in idTelemetries)
             {
-                var lastDate = stats.GetValueOrDefault(idTelemetry)?.DateEnd ?? DateTimeOffset.UnixEpoch;
+                var lastDate = stats.FirstOrDefault(s=>s.IdTelemetry == idTelemetry)?.DateEnd ?? DateTimeOffset.UnixEpoch;
                 await CreateStatForTelemetryFromDate(db, idTelemetry, lastDate, token);
             }
         }