private object ConvertToMessagePayload(PayloadDescriptor descriptor)
{
// NOTE: due to a bug in system.text.json an additional conversion
// is made to have proper dictionary key casing - on envelope keys only though!
// For reference: https://github.com/dotnet/runtime/issues/31849
string MakeKeyFrom(string key) => _jsonSerializerOptions.DictionaryKeyPolicy.ConvertName(key);
var envelope = new Dictionary <string, object>
{
{
MakeKeyFrom("MessageId"),
descriptor.MessageId
},
{
MakeKeyFrom("Type"),
descriptor.MessageType
}
};
var messageHeaders = descriptor.MessageHeaders
.Where(k => !string.Equals(k.Key, "messageId", StringComparison.InvariantCultureIgnoreCase))
.Where(k => !string.Equals(k.Key, "type", StringComparison.InvariantCultureIgnoreCase));
foreach (var(key, value) in messageHeaders)
{
envelope.Add(MakeKeyFrom(key), value);
}
envelope.Add(MakeKeyFrom("Data"), descriptor.MessageData);
return(envelope);
}
/// <inheritdoc />
public Task <string> Serialize(PayloadDescriptor payloadDescriptor)
{
var result = JsonSerializer.Serialize(
value: ConvertToMessagePayload(payloadDescriptor),
options: _jsonSerializerOptions
);
return(Task.FromResult(result));
}
private object ConvertToMessagePayload(PayloadDescriptor descriptor)
{
// NOTE: due to a bug in system.text.json an additional conversion
// is made to have proper dictionary key casing - on envelope keys only though!
// For reference: https://github.com/dotnet/runtime/issues/31849
string MakeKeyFrom(string key) => _jsonSerializerOptions.DictionaryKeyPolicy.ConvertName(key);
var envelope = new Dictionary <string, object>();
envelope.Add(MakeKeyFrom("MessageId"), descriptor.MessageId);
envelope.Add(MakeKeyFrom("Type"), descriptor.MessageType);
foreach (var(key, value) in descriptor.MessageHeaders)
{
envelope.Add(MakeKeyFrom(key), value);
}
envelope.Add(MakeKeyFrom("Data"), descriptor.MessageData);
return(envelope);
}