esphome/esphome/components/mqtt/mqtt_binary_sensor.cpp

60 lines
2.1 KiB
C++

#include "mqtt_binary_sensor.h"
#include "esphome/core/log.h"
#include "mqtt_const.h"
#ifdef USE_MQTT
#ifdef USE_BINARY_SENSOR
namespace esphome {
namespace mqtt {
static const char *const TAG = "mqtt.binary_sensor";
std::string MQTTBinarySensorComponent::component_type() const { return "binary_sensor"; }
const EntityBase *MQTTBinarySensorComponent::get_entity() const { return this->binary_sensor_; }
void MQTTBinarySensorComponent::setup() {
this->binary_sensor_->add_on_state_callback([this](bool state) { this->publish_state(state); });
}
void MQTTBinarySensorComponent::dump_config() {
ESP_LOGCONFIG(TAG, "MQTT Binary Sensor '%s':", this->binary_sensor_->get_name().c_str());
LOG_MQTT_COMPONENT(true, false)
}
MQTTBinarySensorComponent::MQTTBinarySensorComponent(binary_sensor::BinarySensor *binary_sensor)
: MQTTComponent(), binary_sensor_(binary_sensor) {
if (this->binary_sensor_->is_status_binary_sensor()) {
this->set_custom_state_topic(mqtt::global_mqtt_client->get_availability().topic);
}
}
void MQTTBinarySensorComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
if (!this->binary_sensor_->get_device_class().empty())
root[MQTT_DEVICE_CLASS] = this->binary_sensor_->get_device_class();
if (this->binary_sensor_->is_status_binary_sensor())
root[MQTT_PAYLOAD_ON] = mqtt::global_mqtt_client->get_availability().payload_available;
if (this->binary_sensor_->is_status_binary_sensor())
root[MQTT_PAYLOAD_OFF] = mqtt::global_mqtt_client->get_availability().payload_not_available;
config.command_topic = false;
}
bool MQTTBinarySensorComponent::send_initial_state() {
if (this->binary_sensor_->has_state()) {
return this->publish_state(this->binary_sensor_->state);
} else {
return true;
}
}
bool MQTTBinarySensorComponent::publish_state(bool state) {
if (this->binary_sensor_->is_status_binary_sensor())
return true;
const char *state_s = state ? "ON" : "OFF";
return this->publish(this->get_state_topic_(), state_s);
}
} // namespace mqtt
} // namespace esphome
#endif
#endif // USE_MQTT