I ended up solving my issue in slightly the same way I had seen a previous article using a discriminator. Since I do not control the API feeds, I do not have a discriminator to drive off of, so I am relying on the properties of the Json object.
Need to create a Converter:
public class PolicyConfigurationSettingsConverter : JsonConverter<PolicyConfigurationSettings>
{
public override PolicyConfigurationSettings Read( ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options )
{
JsonDocument doc;
JsonDocument.TryParseValue( ref reader, out doc );
if ( doc.RootElement.TryGetProperty( "minimumApproverCount", out _ ) )
return JsonSerializer.Deserialize<MinimumNumberOfReviewers>( doc.RootElement.ToString(), options );
if ( doc.RootElement.TryGetProperty( "useSquashMerge", out _ ) )
return JsonSerializer.Deserialize<RequireAMergeStrategy>( doc.RootElement.ToString(), options );
if ( doc.RootElement.TryGetProperty( "scope", out _ ) )
return JsonSerializer.Deserialize<PolicyConfigurationSettingsScope>( doc.RootElement.ToString(), options );
return null;
}
public override void Write( Utf8JsonWriter writer, [DisallowNull] PolicyConfigurationSettings value, JsonSerializerOptions options )
{
if ( value.GetType() == typeof( MinimumNumberOfReviewers ) )
JsonSerializer.Serialize( writer, ( MinimumNumberOfReviewers )value, options );
if ( value.GetType() == typeof( RequireAMergeStrategy ) )
JsonSerializer.Serialize( writer, ( RequireAMergeStrategy )value, options );
if ( value.GetType() == typeof( PolicyConfigurationSettingsScope ) )
JsonSerializer.Serialize( writer, ( PolicyConfigurationSettingsScope )value, options );
}
}
Then need to create a JsonSerializerOptions
object to add the Converter
public static JsonSerializerOptions PolicyConfigurationSettingsSerializerOptions()
{
var serializeOptions = new JsonSerializerOptions();
serializeOptions.Converters.Add( new PolicyConfigurationSettingsConverter() );
return serializeOptions;
}
Pass the options into your Serializer/Deserializer statement.
Below is the PolicyConfigurationSettings
class
public abstract class PolicyConfigurationSettings
{
[JsonPropertyName( "scope" )]
public List<PolicyConfigurationScope> Scope { get; set; }
}
public class MinimumNumberOfReviewers : PolicyConfigurationSettings
{
[JsonPropertyName( "minimumApproverCount" )]
public int MinimumApproverCount { get; set; }
[JsonPropertyName( "creatorVoteCounts" )]
public bool CreatorVoteCounts { get; set; }
[JsonPropertyName( "allowDownvotes" )]
public bool AllowDownvotes { get; set; }
[JsonPropertyName( "resetOnSourcePush" )]
public bool ResetOnSourcePush { get; set; }
}
public class RequireAMergeStrategy : PolicyConfigurationSettings
{
[JsonPropertyName( "useSquashMerge" )]
public bool UseSquashMerge { get; set; }
}
public class PolicyConfigurationSettingsScope : PolicyConfigurationSettings { }