private IDisposable BindObserver(
IMqttMessageBus target,
TEntity entity,
TEntityDefinition entityDefinition,
MqttQualityOfServiceLevel?qualityOfServiceLevel,
bool retainMessages)
=> GetStateChangeDetector(entity)
.Subscribe(
state =>
{
var payload = GetStateMessagePayload(entityDefinition, entity);
var messageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(entityDefinition.StateTopic)
.WithPayload(payload)
.WithRetainFlag(retainMessages);
if (qualityOfServiceLevel.HasValue)
{
messageBuilder = messageBuilder.WithQualityOfServiceLevel(qualityOfServiceLevel.Value);
}
var message = messageBuilder.Build();
if (message.Payload != null)
{
target.PublishMessage(message);
}
}
);
public void BindAll(IMqttApplicationProvider mqttApplicationProvider, IMqttMessageBus mqttMessageBus, bool sendDiscovery = true)
{
MqttApplicationProvider = mqttApplicationProvider ?? throw new ArgumentNullException(nameof(mqttApplicationProvider));
MqttMessageBus = mqttMessageBus ?? throw new ArgumentNullException(nameof(mqttMessageBus));
foreach (var entityConfiguration in _entityConfigurations)
{
entityConfiguration.Bind(mqttMessageBus, sendDiscovery);
}
}
public void BindAll(IMqttApplicationProvider mqttApplicationProvider, IMqttMessageBus mqttMessageBus, bool sendDiscovery = true)
{
MqttApplicationProvider = mqttApplicationProvider ?? throw new ArgumentNullException(nameof(mqttApplicationProvider));
MqttMessageBus = mqttMessageBus ?? throw new ArgumentNullException(nameof(mqttMessageBus));
foreach (var entityBindingManager in _entityBindingManagers)
{
entityBindingManager.BindAll(mqttApplicationProvider, mqttMessageBus, sendDiscovery);
}
MqttApplicationProvider.Rebuild();
}
public HomeAssistantOutboundMqttDispatcher(
IManagedMqttClient managedMqttClient,
IMqttApplicationProvider mqttApplicationProvider,
IMqttEntityControlPanel mqttEntityControlPanel,
IMqttMessageBus messageBus
)
{
ManagedMqttClient = managedMqttClient;
MqttApplicationProvider = mqttApplicationProvider;
MqttEntityControlPanel = mqttEntityControlPanel;
MessageBus = messageBus;
}
public virtual void Bind(IMqttMessageBus messageBus, bool sendDiscovery = true)
{
if (MessageBus != null)
{
throw new InvalidOperationException($"{nameof(Bind)} can only be called once");
}
MessageBus = messageBus ?? throw new ArgumentNullException(nameof(messageBus));
if (sendDiscovery)
{
MessageBus.PublishMessage(EntityConfiguration.DiscoveryMessage);
}
}
public IDisposable Bind(
IMqttMessageBus target,
TEntity entity,
TEntityDefinition entityDefinition,
MqttQualityOfServiceLevel?qualityOfServiceLevel,
bool retainMessages
) =>
BindObserver(
target,
entity,
entityDefinition,
qualityOfServiceLevel,
retainMessages
);
public override void Bind(IMqttMessageBus messageBus, bool sendDiscovery = true)
{
foreach (var stateChangeHandler in EntityConfiguration.StateChangeHandlers)
{
SubscriptionsByDiscoveryTopic.Add(
EntityConfiguration.DiscoveryTopic,
stateChangeHandler.Bind(
messageBus,
EntityConfiguration.Entity,
EntityConfiguration.EntityDefinition,
EntityConfiguration.StateMessageQualityOfServiceLevel,
EntityConfiguration.RetainStateMessages
)
);
}
base.Bind(messageBus, sendDiscovery);
}
