added Pi-Hole stats

public/Pi-hole Stats.groovy

-/**
- *  Pi-hole Stats
- *
- *  Copyright 2019 Scott Grayban
- *
- */
-metadata {
-	definition (
-        name: "Pi-hole Stats",
-        namespace: "sgrayban",
-        author: "Scott Grayban",
-        importUrl: "http://sgrayban.borgnet.online:8081/hubitat-public-repo/Pi-hole%20Stats.groovy"
-        )
-
-        {
-	capability "Switch"
-	capability "Refresh"
-        
-        command "poll"
-        command "refresh"
-
-		attribute "LastRefresh", "string"
-        attribute "combined", "string"
-        attribute "QueriesToday", "number"
-        attribute "BlockedAds", "number"
-        attribute "UniqueClients", "number"
-	}
-   
-    preferences {
-	def refreshRate = [:]
-		refreshRate << ["1 min" : "Refresh every minute"]
-		refreshRate << ["5 min" : "Refresh every 5 minutes"]
-		refreshRate << ["15 min" : "Refresh every 15 minutes"]
-		refreshRate << ["30 min" : "Refresh every 30 minutes"]
-        
-        input ("refresh_Rate", "enum", title: "Device Refresh Rate", options: refreshRate, defaultValue: "1 min")
-        input "locale", "enum", title: "Choose refresh date format", required: true, defaultValue: "",
-            options: [US:"US MM/DD/YYYY",UK:"UK DD/MM/YYYY"] //RK
-        input name: "debugOutput", type: "bool", title: "Enable debug logging?", defaultValue: true
-        input name: "deviceIP", type:"text", title:"Pi-home IP address", required: true
-        input name: "apiToken", type: "text", title: "API token", required: true      
-	}
-
-}
-
-private getPort() {
-    return 80
-}
-
-private getApiPath() { 
-	"/admin/api.php" 
-}
-
-def installed() {
-	log.debug "Installed with settings: ${settings}"
-}
-
-def uninstalled() {
-	log.debug "uninstalled()"
-}
-
-private logDebug(msg) {
-	if (settings?.debugOutput || settings?.debugOutput == null) {
-	log.debug "$msg"
-	}
-}
-
-def updated() {
-	log.debug "Updated with settings: ${settings}"
-    unschedule()
-    switch(refresh_Rate) {
-		case "1 min" :
-			runEvery1Minute(autorefresh)
-			break
-		case "5 min" :
-			runEvery5Minutes(autorefresh)
-			break
-		case "15 min" :
-			runEvery15Minutes(autorefresh)
-			break
-		default:
-			runEvery30Minutes(autorefresh)
-	}
-    refresh()
-}
-
-def autorefresh() {
-	if (locale == "UK") {
-	state.LastRefresh = new Date().format("dd/MM/YYYY @ HH:mm:ss", location.timeZone)
-	sendEvent(name: "LastRefresh", value: state.LastRefresh, descriptionText: "Last refresh performed")
-	} 
-	if (locale == "US") {
-	state.LastRefresh = new Date().format("MMM dd, yyyy @ HH:mm:ss", location.timeZone)
-	sendEvent(name: "LastRefresh", value: state.LastRefresh, descriptionText: "Last refresh performed")
-	}
-	logDebug "Executing ${refresh_Rate} minute(s) AUTO REFRESH"
-    poll()
-}
-def refresh() {
-	poll()
-}
-
-def poll() {
-	if (locale == "UK") {
-	state.LastRefresh = new Date().format("dd/MM/YYYY @ HH:mm:ss", location.timeZone)
-	sendEvent(name: "LastRefresh", value: state.LastRefresh, descriptionText: "Last refresh performed")
-	} 
-	if (locale == "US") {
-	state.LastRefresh = new Date().format("MMM dd yyyy @ HH:mm:ss", location.timeZone)
-	sendEvent(name: "LastRefresh", value: state.LastRefresh, descriptionText: "Last refresh performed")
-	}
-
-    def path = getApiPath()
-    def hostAddress = "${deviceIP}:${port}"
-    def headers = [:] 
-    headers.put("HOST", hostAddress)
-
-    def hubAction = new hubitat.device.HubAction(
-        method: "GET",
-        path: path,
-        headers: headers,
-        null,
-        [callback : parse] 
-    )
-    sendHubCommand(hubAction)
-}
-
-def parse(response) {
-    log.debug "Parsing '${response}'"
-    def json = response.json
-	log.debug "Received '${json}'"
-    if (json.FTLnotrunning) {
-    	return
-    }
-    if (json.status == "enabled") {
-    	sendEvent(name: "switch", value: "on")
-    }
-	if (json.status == "disabled") {
-    	sendEvent(name: "switch", value: "off")
-    }
-    if (json.dns_queries_today){
-   		if (json.dns_queries_today.toInteger() >= 0) {
-    		def combinedValue = "Queries today: " +json.dns_queries_today + " Blocked: " + json.ads_blocked_today + "\nClients: " + json.unique_clients
-			sendEvent(name: "combined", value: combinedValue, unit: "")
-   		}
-    }
-    
-    sendEvent(name: 'lastupdate', value: lastUpdated(now()), unit: "")
-}
-
-def on() {
-	doSwitch("enable")
-}
-
-def off() {
-	doSwitch("disable")
-}
-
-def doSwitch(toggle) {
-	
-    if (deviceIP == null) {
-    	log.debug "IP address missing in preferences"
-        return
-    }
-    def path = getApiPath() + "?" + toggle + "&auth=" + apiToken
-    def hostAddress = "${deviceIP}:${port}"
-    def headers = [:] 
-    headers.put("HOST", hostAddress)
-
-    def hubAction = new hubitat.device.HubAction(
-        method: "GET",
-        path: path,
-        headers: headers,
-        null,
-        [callback : parse] 
-    )
-    sendHubCommand(hubAction)
-}
-
-def lastUpdated(time) {
-	def timeNow = now()
-	def lastUpdate = ""
-	if(location.timeZone == null) {
-    	logDebug "Cannot set update time : location not defined in app"
-    }
-    else {
-   		lastUpdate = new Date(timeNow).format("MMM dd, yyyy @ HH:mm", location.timeZone)
-    }
-    return lastUpdate
-}