set background gopro photo of the day ubuntu

setbackground.groovy

#!/usr/bin/env groovy
def proxyParams = ""
def jsonUri = "https://api.gopro.com/v2/channels/feed/playlists/photo-of-the-day.json?platform=web"

//def data = get(jsonUri)
def commandJson = "wget -q -O - " + jsonUri + proxyParams
def data = commandJson.execute().text

json = new groovy.json.JsonSlurper().parseText(data)

def image = json.media.thumbnails.full.image[0]

def file = '/tmp/goprotoday.jpg'

//download(image, file)
def commandGetPhoto = "wget " + image + " -O " + file + " " + proxyParams

commandGetPhoto.execute()
Thread.sleep(3000) //wait for the download process

def commandSetBg = "gsettings set org.gnome.desktop.background picture-uri file://" + file
commandSetBg.execute()


/*groovy style http*/
private String get(url) {
    new URL(url).getText()
}

public void download(address, file) {
    new File(file).withOutputStream { out ->
        out << new URL(address).openStream()
    }
}