Turn off air-conditioner accessory automatically after onDuration sec…

…onds. (#446)

* adds a onDuration of air-conditioner accessory

CHANGELOG.md

@@ -4,8 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unrelased]
-### Security
+## [Unreleased]
+### Added
+ - Adds AutoOff support to the AirConditioner accessory (Thanks @banboobee)
  - Updated dependencies to remove security vulnerabilities.
 
 ## [4.4.8] - 2021-12-08

accessories/aircon.js

@@ -130,6 +130,11 @@ class AirConAccessory extends BroadlinkRMAccessory {
       this.turnOnWhenOffDelayPromise.cancel();
       this.turnOnWhenOffDelayPromise = undefined;
     }
+
+    if (this.autoOffTimeoutPromise) {
+      this.autoOffTimeoutPromise.cancel();
+      this.autoOffTimeoutPromise = null;
+    }
   }
 
   updateServiceTargetHeatingCoolingState (value) {
@@ -215,6 +220,8 @@ class AirConAccessory extends BroadlinkRMAccessory {
         await this.performSend(data.off);
       }
 
+      this.reset();
+
       return;
     }
 
@@ -269,6 +276,33 @@ class AirConAccessory extends BroadlinkRMAccessory {
 
     serviceManager.refreshCharacteristicUI(Characteristic.CurrentHeatingCoolingState);
     serviceManager.refreshCharacteristicUI(Characteristic.TargetHeatingCoolingState);
+
+    this.checkAutoOff();
+  }
+
+  async checkAutoOff () {
+    await catchDelayCancelError(async () => {
+      const {config, name, data, log} = this;
+      let {enableAutoOff, onDuration, enableAutoOn, offDuration} = config;
+      onDuration = onDuration|| 60;
+      offDuration = offDuration|| 60;
+
+      if (enableAutoOn) {
+        log(`${name} enableAutoOn is not supported.`);
+      }
+      if (enableAutoOff && parseInt(onDuration) > 0) {
+        log(`${name} setTargetHeatingCoolingState: (automatically turn off in ${onDuration} seconds)`);
+	if (this.autoOffTimeoutPromise) {
+	  this.autoOffTimeoutPromise.cancel();
+	  this.autoOffTimeoutPromise = null;
+	}
+	this.autoOffTimeoutPromise = delayForDuration(onDuration);
+	await this.autoOffTimeoutPromise;
+	await this.performSend(data.off);
+	this.updateServiceTargetHeatingCoolingState(this.HeatingCoolingStates.off);
+	this.updateServiceCurrentHeatingCoolingState(this.HeatingCoolingStates.off);
+      }
+    });
   }
 
   // Thermostat