Golang Response.GetMeta方法代碼示例

func SerializeResponseMiddleware(registry kit.Registry, request kit.Request, response kit.Response) (kit.Response, bool) {
	// Try to serialize the reponse data.

	// Determine serializer.
	serializer := registry.DefaultSerializer()

	// Check if a custom serializer was specified.
	if name := request.GetContext().String("response-serializer"); name != "" {
		serializer = registry.Serializer(name)
		if serializer == nil {
			errResp := kit.NewErrorResponse("unknown_response_serializer", true)
			data, _ := serializer.MustSerializeResponse(errResp)
			errResp.SetData(data)
			return errResp, false
		}
	}

	// Set format in metadata.
	meta := response.GetMeta()
	if meta == nil {
		meta = make(map[string]interface{})
	}

	meta["format"] = serializer.Name()
	response.SetMeta(meta)

	data, err := serializer.MustSerializeResponse(response)
	if err != nil {
		registry.Logger().Errorf("Response serialization error: %v (%+v)", err, response)
	}
	response.SetData(data)

	return nil, false
}

func convertResponse(response kit.Response) *turnpike.CallResult {
	result := &turnpike.CallResult{}

	if response.GetError() != nil {
		result.Err = turnpike.URI(response.GetError().GetCode())
	}

	result.Kwargs = map[string]interface{}{
		"data":   response.GetData(),
		"meta":   response.GetMeta(),
		"errors": []error{response.GetError()},
	}

	return result
}

// SerializeResponse converts a response with model data into the target format.
func (s *Serializer) SerializeResponse(response kit.Response) (interface{}, apperror.Error) {
	transData := response.GetTransferData()
	if transData == nil {
		transData = &kit.AppTransferData{}

		data := response.GetData()
		if model, ok := data.(kit.Model); ok {
			transData.SetModels([]kit.Model{model})
		} else if models, ok := data.([]kit.Model); ok {
			transData.SetModels(models)
		} else {
			transData.SetData(data)
		}
	}

	// Append response metadata.
	if meta := response.GetMeta(); meta != nil {
		transMeta := transData.GetMeta()
		if transMeta != nil {
			for key, val := range meta {
				transMeta[key] = val
			}
		} else {
			transData.SetMeta(meta)
		}
	}

	// If a response error is defined, prepend it to all errors that might have been in
	// TransferData.
	if err := response.GetError(); err != nil {
		oldErrs := transData.GetErrors()
		transData.SetErrors(append([]apperror.Error{err}, oldErrs...))
	}

	data, err := s.SerializeTransferData(transData)
	if err != nil {
		return nil, err
	}

	return data, nil
}