datetime_base.h

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#pragma once
 
#include "esphome/core/automation.h"
#include "esphome/core/component.h"
#include "esphome/core/entity_base.h"
#include "esphome/core/time.h"
#ifdef USE_TIME
#include "esphome/components/time/real_time_clock.h"
#endif
 
namespace esphome {
namespace datetime {
 
class DateTimeBase : public EntityBase {
 public:
  bool has_state() const { return this->has_state_; }
 
  virtual ESPTime state_as_esptime() const = 0;
 
  void add_on_state_callback(std::function<void()> &&callback) { this->state_callback_.add(std::move(callback)); }
 
#ifdef USE_TIME
  void set_rtc(time::RealTimeClock *rtc) { this->rtc_ = rtc; }
  time::RealTimeClock *get_rtc() const { return this->rtc_; }
#endif
 
 protected:
  CallbackManager<void()> state_callback_;
 
#ifdef USE_TIME
  time::RealTimeClock *rtc_;
#endif
 
  bool has_state_{false};
};
 
#ifdef USE_TIME
class DateTimeStateTrigger : public Trigger<ESPTime> {
 public:
  explicit DateTimeStateTrigger(DateTimeBase *parent) {
    parent->add_on_state_callback([this, parent]() { this->trigger(parent->state_as_esptime()); });
  }
};
#endif
 
}  // namespace datetime
}  // namespace esphome