homeassistant_button.cpp

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#include "homeassistant_button.h"
 
#include <cstring>
 
#include "esphome/components/api/api_pb2.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.button");
 
void HomeassistantButton::dump_config() {
  LOG_BUTTON("", "Homeassistant Button", this);
  ESP_LOGCONFIG(TAG, "  Entity ID: '%s'", this->entity_id_);
}
 
float HomeassistantButton::get_setup_priority() const { return setup_priority::AFTER_CONNECTION; }
 
void HomeassistantButton::press_action() {
  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", this->get_name().c_str());
    return;
  }
#endif
 
  // In flash on the ESP8266 and encoded from there
  static const char SERVICE_BUTTON[] PROGMEM = "button.press";
  static const char SERVICE_INPUT_BUTTON[] PROGMEM = "input_button.press";
  static const char ENTITY_ID_KEY[] PROGMEM = "entity_id";
 
  api::HomeassistantActionRequest resp;
  // An input helper entity id starts with the "input_" its action name starts with
  const bool input_helper = ESPHOME_strncmp_P(this->entity_id_, SERVICE_INPUT_BUTTON, sizeof("input_") - 1) == 0;
  resp.service =
      input_helper ? ProgmemStringRef::from_lit(SERVICE_INPUT_BUTTON) : ProgmemStringRef::from_lit(SERVICE_BUTTON);
 
  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