homeassistant_switch.cpp

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#include "homeassistant_switch.h"
#include "esphome/components/api/api_server.h"
#include "esphome/core/log.h"
#include "esphome/core/progmem.h"
#include "esphome/core/string_ref.h"
 
namespace esphome::homeassistant {
 
ESPHOME_LOG_TAG(TAG, "homeassistant.switch");
 
using namespace esphome::switch_;
 
void HomeassistantSwitch::setup() {
  api::global_api_server->subscribe_home_assistant_state(this->entity_id_, nullptr, [this](StringRef state) {
    auto val = parse_on_off(state.c_str());
    switch (val) {
      case PARSE_NONE:
      case PARSE_TOGGLE:
        ESP_LOGW(TAG, "Can't convert '%s' to binary state!", state.c_str());
        break;
      case PARSE_ON:
      case PARSE_OFF:
        bool new_state = val == PARSE_ON;
        ESP_LOGD(TAG, "'%s': Got state %s", this->entity_id_, ONOFF(new_state));
        this->publish_state(new_state);
        break;
    }
  });
}
 
void HomeassistantSwitch::dump_config() {
  LOG_SWITCH("", "Homeassistant Switch", this);
  ESP_LOGCONFIG(TAG, "  Entity ID: '%s'", this->entity_id_);
}
 
float HomeassistantSwitch::get_setup_priority() const { return setup_priority::AFTER_CONNECTION; }
 
void HomeassistantSwitch::write_state(bool state) {
  if (!api::global_api_server->is_connected()) {
    ESP_LOGE(TAG, "No clients connected to API server");
    return;
  }
 
#ifdef USE_API_WIZARD_LINKED_INPUTS
  if (this->entity_id_[0] == '\0') {
    ESP_LOGW(TAG, "'%s': No entity ID set yet", LOG_STR_ARG(this->get_log_name()));
    return;
  }
#endif
 
  // In flash on the ESP8266 and encoded from there
  static const char SERVICE_ON[] PROGMEM = "homeassistant.turn_on";
  static const char SERVICE_OFF[] PROGMEM = "homeassistant.turn_off";
  static const char ENTITY_ID_KEY[] PROGMEM = "entity_id";
 
  api::HomeassistantActionRequest resp;
  resp.service = state ? ProgmemStringRef::from_lit(SERVICE_ON) : ProgmemStringRef::from_lit(SERVICE_OFF);
 
  resp.data.init(1);
  auto &entity_id_kv = resp.data.emplace_back();
  entity_id_kv.key = ProgmemStringRef::from_lit(ENTITY_ID_KEY);
  entity_id_kv.value = ProgmemStringRef(StringRef(this->entity_id_));
 
  api::global_api_server->send_homeassistant_action(resp);
}
 
}  // namespace esphome::homeassistant