use JsonConverterAttribute for Json serialization

csharp/Lib/StatusApi/DeviceStatus.cs

@@ -1,26 +1,14 @@
-using System.Text.Json;
 using InnovEnergy.Lib.Utils;
-using static InnovEnergy.Lib.Units.Units;
 
 namespace InnovEnergy.Lib.StatusApi;
 
 public abstract record DeviceStatus
 {
-    private static readonly JsonSerializerOptions JsonSerializerOptions;
-
-    static DeviceStatus()
-    {
-        JsonSerializerOptions = new JsonSerializerOptions { WriteIndented = true };
-        JsonConverters.ForEach(JsonSerializerOptions.Converters.Add); // how stupid is that?!!
-    }
-
     public String DeviceType => GetType()
-                               .Generate(t => t.BaseType!)
+                               .Unfold(t => t.BaseType)
                                .First(t => t.IsAbstract)
                                .Name
                                .Replace("Status", "");
-
-    public String ToJson() => JsonSerializer.Serialize(this, GetType(), JsonSerializerOptions);
 }
 
 

csharp/Lib/Units/Angle.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Angle;
 
+[JsonConverter(typeof(AngleConverter))]
 public readonly partial struct Angle
 {
     public Decimal Value { get; }

csharp/Lib/Units/ApparentPower.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = ApparentPower;
 
+[JsonConverter(typeof(ApparentPowerConverter))]
 public readonly partial struct ApparentPower
 {
     public Decimal Value { get; }

csharp/Lib/Units/Current.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Current;
 
+[JsonConverter(typeof(CurrentConverter))]
 public readonly partial struct Current
 {
     public Decimal Value { get; }

csharp/Lib/Units/Frequency.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Frequency;
 
+[JsonConverter(typeof(FrequencyConverter))]
 public readonly partial struct Frequency
 {
     public Decimal Value { get; }

csharp/Lib/Units/Generator/Template.txt

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Template;
 
+[JsonConverter(typeof(TemplateConverter))]
 public readonly partial struct Template
 {
     public Decimal Value { get; }

csharp/Lib/Units/Number.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Number;
 
+[JsonConverter(typeof(NumberConverter))]
 public readonly partial struct Number
 {
     public Decimal Value { get; }

csharp/Lib/Units/Power.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Power;
 
+[JsonConverter(typeof(PowerConverter))]
 public readonly partial struct Power
 {
     public Decimal Value { get; }

csharp/Lib/Units/ReactivePower.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = ReactivePower;
 
+[JsonConverter(typeof(ReactivePowerConverter))]
 public readonly partial struct ReactivePower
 {
     public Decimal Value { get; }

csharp/Lib/Units/Resistance.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Resistance;
 
+[JsonConverter(typeof(ResistanceConverter))]
 public readonly partial struct Resistance
 {
     public Decimal Value { get; }

csharp/Lib/Units/Temperature.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Temperature;
 
+[JsonConverter(typeof(TemperatureConverter))]
 public readonly partial struct Temperature
 {
     public Decimal Value { get; }

csharp/Lib/Units/Voltage.cs

@@ -16,4 +16,5 @@ public readonly partial struct Voltage
     
     // P=UI
     public static Power operator *(Voltage voltage, Current current) => new Power(current.Value * voltage.Value);
-}
+}
+

csharp/Lib/Units/Voltage.generated.cs

@@ -10,6 +10,7 @@ namespace InnovEnergy.Lib.Units;
 
 using T = Voltage;
 
+[JsonConverter(typeof(VoltageConverter))]
 public readonly partial struct Voltage
 {
     public Decimal Value { get; }

csharp/Lib/Utils/EnumerableUtils.cs

@@ -243,7 +243,7 @@ public static class EnumerableUtils
         return ts.ElementAtOrDefault(index) ?? defaultValue;
     }
 
-    public static IEnumerable<T> Generate<T>(this T seed, Func<T, T> next)
+    public static IEnumerable<T> Unfold<T>(this T seed, Func<T, T?> next)
     {
         var value = seed;
         while (value is not null)