Change enum json serialization in response #6056

6 Answer(s)

• 

  0

  liangshiwei created 6 months ago

  Support Team Fullstack Developer

  HI,

  You can check this: https://github.com/abpframework/abp/issues/13010

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• 

  0

  daniil.poiarkov@happentechnologies.com created 6 months ago

  HI, Liangshiwei Yea, I tried to configure Mvc.JsonOptions as well, but still I need to use JsonConverter attribute. I'm wonder if it is possible to achieve this without specifying attribute on each enum property.

  You can check this: https://github.com/abpframework/abp/issues/13010

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• 

  0

  liangshiwei created 6 months ago

  Support Team Fullstack Developer

  Hi,

  Could you provide the full steps to reproduce the problem? I will check it. thanks

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• 

  0

  daniil.poiarkov@happentechnologies.com created 6 months ago

  Hi,

  Could you provide the full steps to reproduce the problem? I will check it. thanks

  Sure,

  1. Configure Mvc.JsonOptions via Configure method (HttpApi.Host module)
  2. Dto
  3. Response

  And this is how response look like with [JsonConvert(typeof(JsonStringEnumConverter))] attribute for SubscriptionType field

  Our goal is to achive this without attribute specification

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• 

  0

  liangshiwei created 6 months ago

  Support Team Fullstack Developer

  Hi,

  You need to remove the AbpStringToEnumFactory

  Just an example:

  public class EnumToStringConverterFactory : JsonConverterFactory
  {
      public override bool CanConvert(Type typeToConvert)
      {
          return typeToConvert.IsEnum;
      }
  
      public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
      {
          return (JsonConverter)Activator.CreateInstance(
              typeof(MyEnumToStringConverter<>).MakeGenericType(typeToConvert),
              BindingFlags.Instance | BindingFlags.Public,
              binder: null,
              new object?[] { },
              culture: null)!;
      }
  }
  
  public class MyEnumToStringConverter<T> : JsonConverter<T>
      where T : struct, Enum
  {
      public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
      {
          return Enum.Parse<T>(reader.GetString()!);
      }
  
      public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
      {
          writer.WriteStringValue(value.ToString());
      }
  }
  
  Configure<AbpSystemTextJsonSerializerOptions>(options =>
  {
      var stringToEnumFactory = options.JsonSerializerOptions.Converters.Single(x => x.GetType() == typeof(AbpStringToEnumFactory));
      options.JsonSerializerOptions.Converters.Remove(stringToEnumFactory);
      options.JsonSerializerOptions.Converters.Add(new EnumToStringConverterFactory());
  });
  
  Configure<JsonOptions>(options =>
  {
      var stringToEnumFactory = options.JsonSerializerOptions.Converters.Single(x => x.GetType() == typeof(AbpStringToEnumFactory));
      options.JsonSerializerOptions.Converters.Remove(stringToEnumFactory);
      options.JsonSerializerOptions.Converters.Add(new EnumToStringConverterFactory());
  });
  

  

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• 

  0

  daniil.poiarkov@happentechnologies.com created 6 months ago

  Hi,

  You need to remove the AbpStringToEnumFactory

  Just an example:

  public class EnumToStringConverterFactory : JsonConverterFactory 
  { 
      public override bool CanConvert(Type typeToConvert) 
      { 
          return typeToConvert.IsEnum; 
      } 
   
      public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options) 
      { 
          return (JsonConverter)Activator.CreateInstance( 
              typeof(MyEnumToStringConverter<>).MakeGenericType(typeToConvert), 
              BindingFlags.Instance | BindingFlags.Public, 
              binder: null, 
              new object?[] { }, 
              culture: null)!; 
      } 
  } 
   
  public class MyEnumToStringConverter<T> : JsonConverter<T> 
      where T : struct, Enum 
  { 
      public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) 
      { 
          return Enum.Parse<T>(reader.GetString()!); 
      } 
   
      public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options) 
      { 
          writer.WriteStringValue(value.ToString()); 
      } 
  } 
   
  Configure<AbpSystemTextJsonSerializerOptions>(options => 
  { 
      var stringToEnumFactory = options.JsonSerializerOptions.Converters.Single(x => x.GetType() == typeof(AbpStringToEnumFactory)); 
      options.JsonSerializerOptions.Converters.Remove(stringToEnumFactory); 
      options.JsonSerializerOptions.Converters.Add(new EnumToStringConverterFactory()); 
  }); 
   
  Configure<JsonOptions>(options => 
  { 
      var stringToEnumFactory = options.JsonSerializerOptions.Converters.Single(x => x.GetType() == typeof(AbpStringToEnumFactory)); 
      options.JsonSerializerOptions.Converters.Remove(stringToEnumFactory); 
      options.JsonSerializerOptions.Converters.Add(new EnumToStringConverterFactory()); 
  }); 
  

  

  Thanks a lot, removing AbpStringToEnumFactory solved my problem)

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