Base climate ir (#726)

* add ClimateIR

* update climate ir

* update class comment

* lint

* moved to climate_ir

* fix include path

* use climateir

* updates

* update include path

* lint

* fixed variable assigned to itself

esphome/components/climate_ir/climate_ir.cpp

@@ -0,0 +1,57 @@
+#include "climate_ir.h"
+
+namespace esphome {
+namespace climate {
+
+climate::ClimateTraits ClimateIR::traits() {
+  auto traits = climate::ClimateTraits();
+  traits.set_supports_current_temperature(this->sensor_ != nullptr);
+  traits.set_supports_auto_mode(true);
+  traits.set_supports_cool_mode(this->supports_cool_);
+  traits.set_supports_heat_mode(this->supports_heat_);
+  traits.set_supports_two_point_target_temperature(false);
+  traits.set_supports_away(false);
+  traits.set_visual_min_temperature(this->minimum_temperature_);
+  traits.set_visual_max_temperature(this->maximum_temperature_);
+  traits.set_visual_temperature_step(this->temperature_step_);
+  return traits;
+}
+
+void ClimateIR::setup() {
+  if (this->sensor_) {
+    this->sensor_->add_on_state_callback([this](float state) {
+      this->current_temperature = state;
+      // current temperature changed, publish state
+      this->publish_state();
+    });
+    this->current_temperature = this->sensor_->state;
+  } else
+    this->current_temperature = NAN;
+  // restore set points
+  auto restore = this->restore_state_();
+  if (restore.has_value()) {
+    restore->apply(this);
+  } else {
+    // restore from defaults
+    this->mode = climate::CLIMATE_MODE_OFF;
+    // initialize target temperature to some value so that it's not NAN
+    this->target_temperature =
+        roundf(clamp(this->current_temperature, this->minimum_temperature_, this->maximum_temperature_));
+  }
+  // Never send nan to HA
+  if (isnan(this->target_temperature))
+    this->target_temperature = 24;
+}
+
+void ClimateIR::control(const climate::ClimateCall &call) {
+  if (call.get_mode().has_value())
+    this->mode = *call.get_mode();
+  if (call.get_target_temperature().has_value())
+    this->target_temperature = *call.get_target_temperature();
+
+  this->transmit_state();
+  this->publish_state();
+}
+
+}  // namespace climate
+}  // namespace esphome