mqtt_valve.cpp

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#include "mqtt_valve.h"
#include "esphome/core/log.h"
#include "esphome/core/progmem.h"
 
#include "mqtt_const.h"
 
#ifdef USE_MQTT
#ifdef USE_VALVE
 
namespace esphome::mqtt {
 
static const char *const TAG = "mqtt.valve";
 
using namespace esphome::valve;
 
static ProgmemStr valve_state_to_mqtt_str(ValveOperation operation, float position, bool supports_position) {
  if (operation == VALVE_OPERATION_OPENING)
    return ESPHOME_F("opening");
  if (operation == VALVE_OPERATION_CLOSING)
    return ESPHOME_F("closing");
  if (position == VALVE_CLOSED)
    return ESPHOME_F("closed");
  if (position == VALVE_OPEN)
    return ESPHOME_F("open");
  if (supports_position)
    return ESPHOME_F("open");
  return ESPHOME_F("unknown");
}
 
MQTTValveComponent::MQTTValveComponent(Valve *valve) : valve_(valve) {}
void MQTTValveComponent::setup() {
  auto traits = this->valve_->get_traits();
  this->valve_->add_on_state_callback([this]() { this->publish_state(); });
  this->subscribe(this->get_command_topic_(), [this](const std::string &topic, const std::string &payload) {
    auto call = this->valve_->make_call();
    call.set_command(payload.c_str());
    call.perform();
  });
  if (traits.get_supports_position()) {
    this->subscribe(this->get_position_command_topic(), [this](const std::string &topic, const std::string &payload) {
      auto value = parse_number<float>(payload);
      if (!value.has_value()) {
        ESP_LOGW(TAG, "Invalid position value: '%s'", payload.c_str());
        return;
      }
      auto call = this->valve_->make_call();
      call.set_position(*value / 100.0f);
      call.perform();
    });
  }
}
 
void MQTTValveComponent::dump_config() {
  ESP_LOGCONFIG(TAG, "MQTT valve '%s':", this->valve_->get_name().c_str());
  auto traits = this->valve_->get_traits();
  bool has_command_topic = traits.get_supports_position();
  LOG_MQTT_COMPONENT(true, has_command_topic);
  if (traits.get_supports_position()) {
    ESP_LOGCONFIG(TAG,
                  "  Position State Topic: '%s'\n"
                  "  Position Command Topic: '%s'",
                  this->get_position_state_topic().c_str(), this->get_position_command_topic().c_str());
  }
}
void MQTTValveComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
  const auto device_class = this->valve_->get_device_class_ref();
  if (!device_class.empty()) {
    root[MQTT_DEVICE_CLASS] = device_class;
  }
  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
  auto traits = this->valve_->get_traits();
  if (traits.get_is_assumed_state()) {
    root[MQTT_OPTIMISTIC] = true;
  }
  if (traits.get_supports_position()) {
    root[MQTT_POSITION_TOPIC] = this->get_position_state_topic();
    root[MQTT_SET_POSITION_TOPIC] = this->get_position_command_topic();
  }
}
 
MQTT_COMPONENT_TYPE(MQTTValveComponent, "valve")
const EntityBase *MQTTValveComponent::get_entity() const { return this->valve_; }
 
bool MQTTValveComponent::send_initial_state() { return this->publish_state(); }
bool MQTTValveComponent::publish_state() {
  auto traits = this->valve_->get_traits();
  bool success = true;
  char topic_buf[MQTT_DEFAULT_TOPIC_MAX_LEN];
  if (traits.get_supports_position()) {
    char pos[VALUE_ACCURACY_MAX_LEN];
    size_t len = value_accuracy_to_buf(pos, roundf(this->valve_->position * 100), 0);
    if (!this->publish(this->get_position_state_topic_to(topic_buf), pos, len))
      success = false;
  }
  if (!this->publish(this->get_state_topic_to_(topic_buf),
                     valve_state_to_mqtt_str(this->valve_->current_operation, this->valve_->position,
                                             traits.get_supports_position())))
    success = false;
  return success;
}
 
}  // namespace esphome::mqtt
 
#endif
#endif  // USE_MQTT