http-get-on-button-press.groovy

/**
 *  HTTP GET on button press
 *
 *  Copyright 2018 Norbert Varga <nonoo@nonoo.hu>
 *
 *  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: "HTTP GET on button press",
    namespace: "nonoo",
    author: "Norbert Varga",
    description: "Run HTTP GET when a button is pressed.",
    category: "My Apps",
    iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
    iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png",
    iconX3Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png") {}


preferences {
	section("Which buttons to use?") {
        input "buttons", "capability.button", multiple: true
    }
	input("host", "string", title: "HTTP GET host", description: "", required: true, displayDuringSetup: true)
	input("port", "number", title: "HTTP GET port", description: "", required: false, displayDuringSetup: true)
	input("path", "string", title: "HTTP GET path", description: "ex. /index.php?a=1", required: false, displayDuringSetup: true)
	input("localcall", "bool", title: "Run HTTP GET locally?", description: "", required: false, displayDuringSetup: true)
}

def installed() {
	log.debug "Installed with settings: ${settings}"
	initialize()
}

def updated() {
	log.debug "Updated with settings: ${settings}"

	unsubscribe()
	initialize()
}

def initialize() {
	subscribe(buttons, "buttonClicks", buttonclick)
}

def buttonclick(evt) {
	log.debug "evt.value: $evt.value"

    def useport
	if (port != null && port != "") {
        useport = port
    } else {
    	useport = 80
    }
    def uselocalcall
    if (localcall != null) {
    	uselocalcall = localcall
    } else {
        uselocalcall = true
    }

	log.debug "calling host: $host port: $useport path: $path locally: $uselocalcall"
	def hubAction = new physicalgraph.device.HubAction(
    	method: "GET",
        path: "http://$host:$useport$path",
        headers: [HOST:"$host:$useport"]
    )
    if (!uselocalcall) {
        hubAction.options = [outputMsgToS3:true]
    }
    sendHubCommand(hubAction)
}