custom_api_device.h

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#pragma once
 
#include <map>
#include "api_server.h"
#ifdef USE_API
#include "user_services.h"
namespace esphome {
namespace api {
 
template<typename T, typename... Ts> class CustomAPIDeviceService : public UserServiceBase<Ts...> {
 public:
  CustomAPIDeviceService(const std::string &name, const std::array<std::string, sizeof...(Ts)> &arg_names, T *obj,
                         void (T::*callback)(Ts...))
      : UserServiceBase<Ts...>(name, arg_names), obj_(obj), callback_(callback) {}
 
 protected:
  void execute(Ts... x) override { (this->obj_->*this->callback_)(x...); }  // NOLINT
 
  T *obj_;
  void (T::*callback_)(Ts...);
};
 
class CustomAPIDevice {
 public:
  bool is_connected() const { return global_api_server->is_connected(); }
 
  template<typename T, typename... Ts>
  void register_service(void (T::*callback)(Ts...), const std::string &name,
                        const std::array<std::string, sizeof...(Ts)> &arg_names) {
    auto *service = new CustomAPIDeviceService<T, Ts...>(name, arg_names, (T *) this, callback);  // NOLINT
    global_api_server->register_user_service(service);
  }
 
  template<typename T> void register_service(void (T::*callback)(), const std::string &name) {
    auto *service = new CustomAPIDeviceService<T>(name, {}, (T *) this, callback);  // NOLINT
    global_api_server->register_user_service(service);
  }
 
  template<typename T>
  void subscribe_homeassistant_state(void (T::*callback)(std::string), const std::string &entity_id,
                                     const std::string &attribute = "") {
    auto f = std::bind(callback, (T *) this, std::placeholders::_1);
    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute), f);
  }
 
  template<typename T>
  void subscribe_homeassistant_state(void (T::*callback)(std::string, std::string), const std::string &entity_id,
                                     const std::string &attribute = "") {
    auto f = std::bind(callback, (T *) this, entity_id, std::placeholders::_1);
    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute), f);
  }
 
  void call_homeassistant_service(const std::string &service_name) {
    HomeassistantServiceResponse resp;
    resp.service = service_name;
    global_api_server->send_homeassistant_service_call(resp);
  }
 
  void call_homeassistant_service(const std::string &service_name, const std::map<std::string, std::string> &data) {
    HomeassistantServiceResponse resp;
    resp.service = service_name;
    for (auto &it : data) {
      HomeassistantServiceMap kv;
      kv.key = it.first;
      kv.value = it.second;
      resp.data.push_back(kv);
    }
    global_api_server->send_homeassistant_service_call(resp);
  }
 
  void fire_homeassistant_event(const std::string &event_name) {
    HomeassistantServiceResponse resp;
    resp.service = event_name;
    resp.is_event = true;
    global_api_server->send_homeassistant_service_call(resp);
  }
 
  void fire_homeassistant_event(const std::string &service_name, const std::map<std::string, std::string> &data) {
    HomeassistantServiceResponse resp;
    resp.service = service_name;
    resp.is_event = true;
    for (auto &it : data) {
      HomeassistantServiceMap kv;
      kv.key = it.first;
      kv.value = it.second;
      resp.data.push_back(kv);
    }
    global_api_server->send_homeassistant_service_call(resp);
  }
};
 
}  // namespace api
}  // namespace esphome
#endif