// ConvertFieldsUp converts the payload to fields using payload functions
func (h *handler) ConvertFieldsUp(ctx log.Interface, ttnUp *pb_broker.DeduplicatedUplinkMessage, appUp *types.UplinkMessage) error {
// Find Application
app, err := h.applications.Get(ttnUp.AppId)
if err != nil {
return nil // Do not process if application not found
}
functions := &UplinkFunctions{
Decoder: app.Decoder,
Converter: app.Converter,
Validator: app.Validator,
Logger: functions.Ignore,
}
fields, valid, err := functions.Process(appUp.PayloadRaw, appUp.FPort)
if err != nil {
return nil // Do not set fields if processing failed
}
if !valid {
return errors.NewErrInvalidArgument("Payload", "payload validator function returned false")
}
appUp.PayloadFields = fields
return nil
}
