Created Hourlyenergy data fro growatt but not used and not finished yet

csharp/App/GrowattCommunication/AggregationService/HourlyEnergyData.cs

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+using System;
+using System.Collections.Generic;
+using InnovEnergy.App.GrowattCommunication.ESS;
+
+namespace InnovEnergy.App.GrowattCommunication.AggregationService;
+
+public class HourlyAccumulator
+{
+    public DateTime HourStart { get; set; }
+
+    public double StartSelfGeneratedElectricity   { get; set; }
+    public double StartElectricityPurchased       { get; set; }
+    public double StartElectricityFed             { get; set; }
+    public double StartBatteryChargeEnergy        { get; set; }
+    public double StartBatteryDischargeEnergy     { get; set; }
+    public double StartLoadPowerConsumption       { get; set; }
+
+    public double LastSelfGeneratedElectricity    { get; set; }
+    public double LastElectricityPurchased        { get; set; }
+    public double LastElectricityFed              { get; set; }
+    public double LastBatteryChargeEnergy         { get; set; }
+    public double LastBatteryDischargeEnergy      { get; set; }
+    public double LastLoadPowerConsumption        { get; set; }
+}
+
+public static class EnergyAggregation
+{
+    private static HourlyAccumulator? _currentHourAccumulator;
+    private static DateTime? _lastDailySaveDate;
+/*
+
+    public static HourlyEnergyData? ProcessHourlyData(StatusRecord statusRecord, DateTime timestamp)
+    {
+        var r = statusRecord.InverterRecord;
+        var hourStart = new DateTime(timestamp.Year, timestamp.Month, timestamp.Day, timestamp.Hour, 0, 0);
+
+        // First call
+        if (_currentHourAccumulator == null)
+        {
+            _currentHourAccumulator = new HourlyAccumulator
+            {
+                HourStart = hourStart,
+
+                StartSelfGeneratedElectricity = r.SelfGeneratedElectricity,
+                StartElectricityPurchased     = r.ElectricityPurchased,
+                StartElectricityFed           = r.ElectricityFed,
+                StartBatteryChargeEnergy      = r.BatteryChargeEnergy,
+                StartBatteryDischargeEnergy   = r.BatteryDischargeEnergy,
+                StartLoadPowerConsumption     = r.LoadPowerConsumption,
+
+                LastSelfGeneratedElectricity  = r.SelfGeneratedElectricity,
+                LastElectricityPurchased      = r.ElectricityPurchased,
+                LastElectricityFed            = r.ElectricityFed,
+                LastBatteryChargeEnergy       = r.BatteryChargeEnergy,
+                LastBatteryDischargeEnergy    = r.BatteryDischargeEnergy,
+                LastLoadPowerConsumption      = r.LoadPowerConsumption
+            };
+
+            return null;
+        }
+
+        // Still same hour → just update last values
+        if (_currentHourAccumulator.HourStart == hourStart)
+        {
+            _currentHourAccumulator.LastSelfGeneratedElectricity = r.SelfGeneratedElectricity;
+            _currentHourAccumulator.LastElectricityPurchased     = r.ElectricityPurchased;
+            _currentHourAccumulator.LastElectricityFed           = r.ElectricityFed;
+            _currentHourAccumulator.LastBatteryChargeEnergy      = r.BatteryChargeEnergy;
+            _currentHourAccumulator.LastBatteryDischargeEnergy   = r.BatteryDischargeEnergy;
+            _currentHourAccumulator.LastLoadPowerConsumption     = r.LoadPowerConsumption;
+
+            return null;
+        }
+
+        // Hour changed → finalize previous hour
+        var completedHour = new HourlyEnergyData
+        {
+            Timestamp = _currentHourAccumulator.HourStart,
+
+            SelfGeneratedElectricity = SafeDiff(
+                _currentHourAccumulator.LastSelfGeneratedElectricity,
+                _currentHourAccumulator.StartSelfGeneratedElectricity),
+
+            ElectricityPurchased = SafeDiff(
+                _currentHourAccumulator.LastElectricityPurchased,
+                _currentHourAccumulator.StartElectricityPurchased),
+
+            ElectricityFed = SafeDiff(
+                _currentHourAccumulator.LastElectricityFed,
+                _currentHourAccumulator.StartElectricityFed),
+
+            BatteryChargeEnergy = SafeDiff(
+                _currentHourAccumulator.LastBatteryChargeEnergy,
+                _currentHourAccumulator.StartBatteryChargeEnergy),
+
+            BatteryDischargeEnergy = SafeDiff(
+                _currentHourAccumulator.LastBatteryDischargeEnergy,
+                _currentHourAccumulator.StartBatteryDischargeEnergy),
+
+            LoadPowerConsumption = SafeDiff(
+                _currentHourAccumulator.LastLoadPowerConsumption,
+                _currentHourAccumulator.StartLoadPowerConsumption)
+        };
+
+        // Start new hour with current sample
+        _currentHourAccumulator = new HourlyAccumulator
+        {
+            HourStart = hourStart,
+
+            StartSelfGeneratedElectricity = r.SelfGeneratedElectricity,
+            StartElectricityPurchased     = r.ElectricityPurchased,
+            StartElectricityFed           = r.ElectricityFed,
+            StartBatteryChargeEnergy      = r.BatteryChargeEnergy,
+            StartBatteryDischargeEnergy   = r.BatteryDischargeEnergy,
+            StartLoadPowerConsumption     = r.LoadPowerConsumption,
+
+            LastSelfGeneratedElectricity  = r.SelfGeneratedElectricity,
+            LastElectricityPurchased      = r.ElectricityPurchased,
+            LastElectricityFed            = r.ElectricityFed,
+            LastBatteryChargeEnergy       = r.BatteryChargeEnergy,
+            LastBatteryDischargeEnergy    = r.BatteryDischargeEnergy,
+            LastLoadPowerConsumption      = r.LoadPowerConsumption
+        };
+
+        return completedHour;
+    }*/
+
+    public static DailyEnergyData? TryCreateDailyData(StatusRecord statusRecord, DateTime timestamp)
+    {
+        if (timestamp is { Hour: 23, Minute: 59 })
+        {
+            if (_lastDailySaveDate != timestamp.Date)
+            {
+                _lastDailySaveDate = timestamp.Date;
+
+                var r = statusRecord.InverterRecord;
+
+                return new DailyEnergyData
+                {
+                    Timestamp = timestamp,
+
+                  //  DailySelfGeneratedElectricity = r.DailySelfGeneratedElectricity,
+                    DailyElectricityPurchased = r.EnergyToUser,
+                    DailyElectricityFed = r.EnergyToGrid,
+                    BatteryDailyChargeEnergy = r.BatteryDailyChargeEnergy,
+                    BatteryDailyDischargeEnergy = r.BatteryDailyDischargeEnergy,
+                   // DailyLoadPowerConsumption = r.DailyLoadPowerConsumption
+                };
+            }
+        }
+
+        return null;
+    }
+
+    private static double SafeDiff(double endValue, double startValue)
+    {
+        var diff = endValue - startValue;
+        return diff < 0 ? 0 : diff;
+    }
+}