MSA-958: This module controls light bulbs along with door open/close sensors. If a light bulb is already on when a door opens, it stays on. Else, it will switch off after specified interval.

smartapps/smartthings/smart-timer.src/smart-timer.groovy

@@ -0,0 +1,62 @@
+/**
+ *  Copyright 2015 SmartThings
+ *
+ *  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.
+ *
+ *  CoolDeep
+ *
+ *  Author: CoolDeep
+ */
+
+definition(
+    name: "Smart Timer",
+    namespace: "smartthings",
+    author: "CoolDeep",
+    description: "If a light/device is already on, leave it on. Else, if a light/device switches on on a trigger, switch off in a given time",
+    category: "My Apps",
+    iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
+    iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience%402x.png"
+)
+
+preferences {
+	section("When a sesonsor triggers(turns on)...") {
+		input "mySwitch", "capability.switch", title: "Switches", multiple: true, required: true
+        input "mySensor", "capability.contactSensor", title: "Sensors", multiple: true, required: true
+	}
+    section("Turn it off after how many minutes?") {
+		input "minutesLater", "decimal", title: "When?"
+	}
+}
+
+def installed() {
+	log.debug "Installed with settings: ${settings}"
+	subscribe(mySensor, "contact.opened", myHandler)
+}
+
+def updated() {
+	log.debug "Updated with settings: ${settings}"
+	unsubscribe()
+	subscribe(mySensor, "contact.open", myHandler)
+}
+    
+def myHandler(evt) {
+	def lightVal = mySwitch.currentSwitch
+    log.debug ">> TheSwitch current value turned ${lightVal}"
+   
+  	if (lightVal.contains("off")) {
+    	def delay = minutesLater * 60
+    	log.debug ">>> Turning off in ${minutesLater} minutes (${delay}seconds)"
+    	runIn(delay, turnOffSwitch)
+    }
+}
+
+def turnOffSwitch() {
+	mySwitch.off()
+}