homeassistant_text.cpp

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#include "homeassistant_text.h"
 
#include <cstring>
 
#include "esphome/components/api/api_pb2.h"
#include "esphome/components/api/api_server.h"
#include "esphome/core/helpers.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.text");
 
void HomeassistantText::state_changed_(StringRef state) {
  if (state == this->state) {
    return;
  }
  ESP_LOGD(TAG, "'%s': Got state %s", this->entity_id_, state.c_str());
  this->publish_state(state.c_str(), state.size());
}
 
void HomeassistantText::min_retrieved_(StringRef min) {
  auto min_value = parse_number<int>(min.c_str());
  if (!min_value.has_value()) {
    ESP_LOGE(TAG, "'%s': Can't convert 'min' value '%s' to number!", this->entity_id_, min.c_str());
    return;
  }
  ESP_LOGD(TAG, "'%s': Min retrieved: %s", this->entity_id_, min.c_str());
  this->traits.set_min_length(min_value.value());
}
 
void HomeassistantText::max_retrieved_(StringRef max) {
  auto max_value = parse_number<int>(max.c_str());
  if (!max_value.has_value()) {
    ESP_LOGE(TAG, "'%s': Can't convert 'max' value '%s' to number!", this->entity_id_, max.c_str());
    return;
  }
  ESP_LOGD(TAG, "'%s': Max retrieved: %s", this->entity_id_, max.c_str());
  this->traits.set_max_length(max_value.value());
}
 
void HomeassistantText::mode_retrieved_(StringRef mode) {
  if (mode == "text") {
    this->traits.set_mode(text::TEXT_MODE_TEXT);
  } else if (mode == "password") {
    this->traits.set_mode(text::TEXT_MODE_PASSWORD);
  } else {
    ESP_LOGW(TAG, "'%s': Unknown 'mode' value '%s'", this->entity_id_, mode.c_str());
    return;
  }
  ESP_LOGD(TAG, "'%s': Mode retrieved: %s", this->entity_id_, mode.c_str());
}
 
void HomeassistantText::setup() {
  api::global_api_server->subscribe_home_assistant_state(this->entity_id_, nullptr,
                                                         [this](StringRef state) { this->state_changed_(state); });
 
  api::global_api_server->get_home_assistant_state(this->entity_id_, "min",
                                                   [this](StringRef min) { this->min_retrieved_(min); });
  api::global_api_server->get_home_assistant_state(this->entity_id_, "max",
                                                   [this](StringRef max) { this->max_retrieved_(max); });
  api::global_api_server->get_home_assistant_state(this->entity_id_, "mode",
                                                   [this](StringRef mode) { this->mode_retrieved_(mode); });
  // The "pattern" attribute is not fetched: Home Assistant sends "None" when it is unset,
  // and a runtime pattern would need its own buffer.
}
 
void HomeassistantText::dump_config() {
  LOG_TEXT("", "Homeassistant Text", this);
  ESP_LOGCONFIG(TAG, "  Entity ID: '%s'", this->entity_id_);
}
 
float HomeassistantText::get_setup_priority() const { return setup_priority::AFTER_CONNECTION; }
 
void HomeassistantText::control(const std::string &value) {
  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_TEXT[] PROGMEM = "text.set_value";
  static const char SERVICE_INPUT_TEXT[] PROGMEM = "input_text.set_value";
  static const char ENTITY_ID_KEY[] PROGMEM = "entity_id";
  static const char VALUE_KEY[] PROGMEM = "value";
 
  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_TEXT, sizeof("input_") - 1) == 0;
  resp.service =
      input_helper ? ProgmemStringRef::from_lit(SERVICE_INPUT_TEXT) : ProgmemStringRef::from_lit(SERVICE_TEXT);
 
  resp.data.init(2);
  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_));
 
  auto &value_kv = resp.data.emplace_back();
  value_kv.key = ProgmemStringRef::from_lit(VALUE_KEY);
  value_kv.value = ProgmemStringRef(value.data(), value.size());
 
  api::global_api_server->send_homeassistant_action(resp);
}
 
}  // namespace esphome::homeassistant