nit Add detectedOperations diagnostic message;

add basic telemetry validation filter before analisys;
simplify Avg calc;
fix dbcontext refCount;

AsbCloudDb/Model/AsbCloudDbContext.cs

@@ -61,27 +61,27 @@ namespace AsbCloudDb.Model
         public DbSet<WITS.Record60> Record60 => Set<WITS.Record60>();
         public DbSet<WITS.Record61> Record61 => Set<WITS.Record61>();
 
-        public static int ReferenceCount { get; private set; }
+        private static int referenceCount;
+        public static int ReferenceCount => referenceCount;
 
         public AsbCloudDbContext() : base()
         {
-            ReferenceCount++;
+            Interlocked.Increment(ref referenceCount);
         }
 
         public AsbCloudDbContext(DbContextOptions<AsbCloudDbContext> options)
             : base(options)
         {
-            ReferenceCount++;
+            Interlocked.Increment(ref referenceCount);
         }
 
         ~AsbCloudDbContext()
         {
-            ReferenceCount--;
+            Interlocked.Decrement(ref referenceCount);
         }
 
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
-        {
+        {            
-            
             if (!optionsBuilder.IsConfigured)
                 optionsBuilder.UseNpgsql("Host=localhost;Database=postgres;Username=postgres;Password=q;Persist Security Info=True"
                     //, builder=>builder.EnableRetryOnFailure(2, System.TimeSpan.FromMinutes(1))

AsbCloudInfrastructure/Services/DetectOperations/Detectors/DetectorAbstract.cs

@@ -98,19 +98,33 @@ namespace AsbCloudInfrastructure.Services.DetectOperations.Detectors
 
         protected abstract double CalcValue(DetectableTelemetry[] telemetry, int begin, int end);
 
-        public static InterpolationLine MakeInterpolationLine(
+        /// <summary>
+        /// Среднее арифметическое
+        /// </summary>
+        /// <param name="yGetter"></param>
+        /// <param name="telemetry"></param>
+        /// <param name="begin"></param>
+        /// <param name="fragmentLength"></param>
+        /// <returns></returns>
+        public static double CalcAvgAppr(
             Func<DetectableTelemetry, double> yGetter,
             DetectableTelemetry[] telemetry,
             int begin,
             int fragmentLength)
         {
-            DetectableTelemetry[] data;
+            var end = begin + fragmentLength;
-            if (fragmentLength > 0 && (begin + fragmentLength) < telemetry.Length)
+            end = end < telemetry.Length 
-                data = telemetry[begin..(begin + fragmentLength)];
+                ? end 
-            else
+                : telemetry.Length;
-                data = telemetry[begin..];
+            var subData = telemetry[begin..end].Select(yGetter);
-            var line = new InterpolationLine(data.Select(d => (yGetter(d), (d.DateTime - telemetry[0].DateTime).TotalHours)));
+            if (end - begin > 10)
-            return line;  
+            {
+                var ratio = (end - begin) / 5;
+                subData = subData.Where((_,i) => i % ratio > 0);
+            }            
+            
+            var avg = subData.Average();
+            return avg;
         }
 
         /// <summary>

AsbCloudInfrastructure/Services/DetectOperations/Detectors/DetectorRotor.cs

@@ -1,4 +1,5 @@
 using AsbCloudDb.Model;
+using System.Linq;
 
 namespace AsbCloudInfrastructure.Services.DetectOperations.Detectors
 {
@@ -38,9 +39,9 @@ namespace AsbCloudInfrastructure.Services.DetectOperations.Detectors
             if (point0.Pressure < 25)
                 return IdReasonOfEnd_PressureIsLo;
 
-            var lineRotorSpeed = MakeInterpolationLine(d => d.RotorSpeed, telemetry, position, 60);
+            var avgRotorSpeed = CalcAvgAppr(d => d.RotorSpeed, telemetry, position, 60);
 
-            if (lineRotorSpeed.IsAverageYLessThan(10))
+            if (avgRotorSpeed < 10)
                 return IdReasonOfEnd_AvgRotorSpeedIsLo;
 
             if (!DeviatesFromBegin(telemetry, t => t.WellDepth, position, 150, 0.003))

AsbCloudInfrastructure/Services/DetectOperations/Detectors/DetectorSlide.cs

@@ -38,9 +38,9 @@ namespace AsbCloudInfrastructure.Services.DetectOperations.Detectors
             if (point0.Pressure < 25)
                 return IdReasonOfEnd_PressureIsLo;
 
-            var lineRotorSpeed = MakeInterpolationLine(d => d.RotorSpeed, telemetry, position, 60);
+            var avgRotorSpeed = CalcAvgAppr(d => d.RotorSpeed, telemetry, position, 60);
 
-            if (lineRotorSpeed.IsAverageYGreaterThan(10))
+            if (avgRotorSpeed > 10)
                 return IdReasonOfEnd_AvgRotorSpeedIsHi;
 
             if (!DeviatesFromBegin(telemetry, t => t.WellDepth, position, 150, 0.003))

AsbCloudInfrastructure/Services/DetectOperations/OperationDetectionWorkFactory.cs

@@ -17,6 +17,7 @@ namespace AsbCloudInfrastructure.Services.DetectOperations
     {
         private const string workId = "Operation detection";
         private static readonly TimeSpan workPeriod = TimeSpan.FromMinutes(30);
+        private static string progress = "no progress";
 
         private static readonly DetectorAbstract[] detectors = new DetectorAbstract[]
         {
@@ -34,7 +35,13 @@ namespace AsbCloudInfrastructure.Services.DetectOperations
         public static WorkPeriodic MakeWork() 
         {            
             var workPeriodic = new WorkPeriodic(workId, WorkAction, workPeriod);
-            workPeriodic.Timeout = TimeSpan.FromMinutes(30);
+            workPeriodic.Timeout = TimeSpan.FromSeconds(15 * 60);
+            workPeriodic.OnErrorAsync = (id, exception, token) =>
+            {
+                var text = $"work {id}, when {progress}, throw error:{exception.Message}";
+                Trace.TraceWarning(text);
+                return Task.CompletedTask;
+            };
             return workPeriodic;
         }
 
@@ -86,6 +93,7 @@ namespace AsbCloudInfrastructure.Services.DetectOperations
             var query = db.TelemetryDataSaub
                 .AsNoTracking()
                 .Where(d => d.IdTelemetry == idTelemetry)
+                .Where(d => d.BlockPosition >= 0)
                 .Select(d => new DetectableTelemetry
                 {
                     DateTime = d.DateTime,
@@ -120,20 +128,26 @@ namespace AsbCloudInfrastructure.Services.DetectOperations
                 var isDetected = false;
                 var positionBegin = 0;
                 var positionEnd = data.Length - gap;
+                var step = 10;
                 while (positionEnd > positionBegin)
                 {
+                    step ++;
                     for (int i = 0; i < detectors.Length; i++)
                     {
+                        progress = $"telemetry:{idTelemetry}, date:{startDate}, pos:{positionBegin}, detector:{detectors[i]}";
                         if (detectors[i].TryDetect(idTelemetry, data, positionBegin, positionEnd, lastDetectedOperation, out OperationDetectorResult? result))
                         {
                             detectedOperations.Add(result!.Operation);
                             lastDetectedOperation = result.Operation;
                             isDetected = true;
+                            step = 1;
                             positionBegin = result.TelemetryEnd;
                             break;
                         }
                     }
-                    positionBegin++;
+                    if (step > 20)
+                        step = 10;
+                    positionBegin += step;
                 }
 
                 if (isDetected)

AsbCloudInfrastructure/Services/SAUB/TelemetryDataCache.cs

@@ -38,6 +38,7 @@ namespace AsbCloudInfrastructure.Services.SAUB
                 {
                     using var db = MakeContext(configuration);
                     instance.InitializeCacheFromDB<TEntity>(db);
+                    db.Dispose();
                 });
             }
             return instance;