/// <summary>
/// Maps Apex device actions to subscription topics.
/// </summary>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Awaitable <see cref="Task" />.</returns>
private async Task GetConfigAsync(CancellationToken cancellationToken = default)
{
var state = await _client.GetRobotStateAsync(cancellationToken)
.ConfigureAwait(false);
_topicMap = GetTopicMap(state);
foreach (var stateTopic in _topicMap)
{
// Publish initial value
await MqttClient.PublishAsync(
new MqttApplicationMessageBuilder()
.WithTopic(stateTopic.Key)
.WithPayload(stateTopic.Value)
.WithAtLeastOnceQoS()
.WithRetainFlag()
.Build(),
cancellationToken).ConfigureAwait(false);
}
}
