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Update serializer settings to allow for objects with reference loops

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This commit is contained in:
Sipke Schoorstra 2021-02-10 21:57:49 +01:00
parent 173107de12
commit f4fff18698
1 changed files with 19 additions and 7 deletions
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26
src/core/Elsa.Abstractions/Extensions/JObjectExtensions.cs
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@ -8,10 +8,8 @@ namespace Elsa
{
public static class JObjectExtensions
{
private static readonly JsonSerializer Serializer = new JsonSerializer().ConfigureForNodaTime(DateTimeZoneProviders.Tzdb);
public static T? GetState<T>(this JObject? state, string key) => state.GetState<T>(key, () => default!);
public static T? GetState<T>(this JObject? state, string key) => state.GetState<T>(key, () => default!);
public static T GetState<T>(this JObject? state, string key, Func<T> defaultValue)
{
var item = state?.GetValue(key, StringComparison.OrdinalIgnoreCase);
@ -19,7 +17,7 @@ namespace Elsa
if (item == null || item.Type == JTokenType.Null)
return defaultValue();
return item.ToObject<T>(Serializer)!;
return item.ToObject<T>(CreateSerializer())!;
}
public static T? GetState<T>(this JObject? state, Type type, string key) => state.GetState<T>(type, key, () => default!);
@ -27,11 +25,25 @@ namespace Elsa
public static T GetState<T>(this JObject? state, Type type, string key, Func<T> defaultValue)
{
var item = state?.GetValue(key, StringComparison.OrdinalIgnoreCase);
return item != null ? (T) item.ToObject(type, Serializer)! : defaultValue();
return item != null ? (T) item.ToObject(type, CreateSerializer())! : defaultValue();
}
public static void SetState(this JObject state, string key, object? value) => state[key] = value != null ? JToken.FromObject(value, Serializer) : null;
public static void SetState(this JObject state, string key, object? value) => state[key] = value != null ? JToken.FromObject(value, CreateSerializer()) : null;
public static bool HasKey(this JObject state, string key) => state.ContainsKey(key);
private static JsonSerializer CreateSerializer()
{
var serializer = new JsonSerializer();
serializer.ConfigureForNodaTime(DateTimeZoneProviders.Tzdb);
serializer.NullValueHandling = NullValueHandling.Ignore;
serializer.ReferenceLoopHandling = ReferenceLoopHandling.Serialize;
serializer.PreserveReferencesHandling = PreserveReferencesHandling.Objects;
serializer.TypeNameAssemblyFormatHandling = TypeNameAssemblyFormatHandling.Simple;
serializer.TypeNameHandling = TypeNameHandling.Auto;
return serializer;
}
}
}