Create Lights on Arrival

Lights on Arrival

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+/**
+ *  Lights on Arrival
+ *
+ *  Copyright 2014 Alex Malikov
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ *  in compliance with the License. You may obtain a copy of the License at:
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
+ *  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
+ *  for the specific language governing permissions and limitations under the License.
+ *
+ */
+definition(
+    name: "Lights on Arrival",
+    namespace: "625alex",
+    author: "Alex Malikov",
+    description: "Turn lights on when arriving if it's dark outside",
+    category: "Convenience",
+    iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
+    iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/[email protected]")
+
+
+preferences {
+	section("When one of these persons arrives") {
+		input "people", "capability.presenceSensor", multiple: true
+	}
+    section("And it's dark...") {
+		input "luminance", "capability.illuminanceMeasurement", title: "Where?"
+	}
+	section("Then flash..."){
+		input "switches", "capability.switch", title: "These lights", multiple: true
+		input "numFlashes", "number", title: "This number of times (default 3)", required: false
+	}
+	section("Time settings in milliseconds (optional)..."){
+		input "onFor", "number", title: "On for (default 1000)", required: false
+		input "offFor", "number", title: "Off for (default 1000)", required: false
+	}
+}
+
+def installed() {
+	log.debug "Installed with settings: ${settings}"
+
+	subscribe()
+}
+
+def updated() {
+	log.debug "Updated with settings: ${settings}"
+
+	unsubscribe()
+	subscribe()
+}
+
+def initialize() {
+	subscribe(people, "presence", presenseHandler)
+}
+
+def presenceHandler(evt) {
+	log.debug "presence $evt.value"
+	   if (evt.value == "present") {
+	def lightSensorState = luminance.currentIlluminance
+           log.debug "SENSOR = $lightSensorState"
+        if (lightSensorState && lightSensorState < 20) {
+	   log.trace "light.on() ... [luminance: ${lightSensorState}]"
+	       } else if (evt.value == "not present") {
+		flashLights()
+	}
+	else if (evt.value == "not present") {
+	   flashLights()
+}
+}
+}
+private flashLights() {
+	def doFlash = true
+	def onFor = onFor ?: 600000
+	def offFor = offFor ?: 0
+	def numFlashes = numFlashes ?: 1
+
+	log.debug "LAST ACTIVATED IS: ${state.lastActivated}"
+	if (state.lastActivated) {
+		def elapsed = now() - state.lastActivated
+		def sequenceTime = (numFlashes + 1) * (onFor + offFor)
+		doFlash = elapsed > sequenceTime
+		log.debug "DO FLASH: $doFlash, ELAPSED: $elapsed, LAST ACTIVATED: ${state.lastActivated}"
+	}
+
+	if (doFlash) {
+		log.debug "FLASHING $numFlashes times"
+		state.lastActivated = now()
+		log.debug "LAST ACTIVATED SET TO: ${state.lastActivated}"
+		def initialActionOn = switches.collect{it.currentSwitch != "on"}
+		def delay = 1L
+		numFlashes.times {
+			log.trace "Switch on after  $delay msec"
+			switches.eachWithIndex {s, i ->
+				if (initialActionOn[i]) {
+					s.on(delay: delay)
+				}
+				else {
+					s.off(delay:delay)
+				}
+			}
+			delay += onFor
+			log.trace "Switch off after $delay msec"
+			switches.eachWithIndex {s, i ->
+				if (initialActionOn[i]) {
+					s.off(delay: delay)
+				}
+				else {
+					s.on(delay:delay)
+				}
+			}
+			delay += offFor
+		}
+}
+}