ATNDから申込者のアイコンをダウンロードし、座席表用のアカウントつき画像を作成する座席表職人のためのGroovyスクリプト

Atnd.groovy

import groovy.swing.j2d.GraphicsRenderer
import javax.imageio.ImageIO

/**
 * Created by IntelliJ IDEA.
 * User: orangeclover
 * Date: 12/05/19
 * Time: 22:31
 * To change this template use File | Settings | File Templates.
 */
if (!args || args.size() !=1) {
    println "usge:groovy Atnd.groovy http://atnd.org/events/XXXXXX"
    System.exit(1)
}
def eventID = ""
(args[0] =~ (/(?<=http:\/\/atnd.org\/events\/).*/)).each{
    eventID = it
}
assert eventID.isNumber() == true

def eventUrl = "http://api.atnd.org/events/users/?event_id=${eventID}"
def parser = new XmlSlurper()
def xml = parser.parse(eventUrl)

assert xml.size() != 0
assert xml.events.event.users.user.size() != 0

def listFile = new File("list.txt").newWriter()
xml.events.event.users.user.each{
    assert it.getClass() == groovy.util.slurpersupport.NodeChild
    def id = it.twitter_id
    def imgUrl = it.twitter_img
    try {
        img = ImageIO.read(imgUrl.toURL())
        gr = new GraphicsRenderer()
        gr.renderToFile("@${id}.png", img.width + 100, img.height + 20){
            antialias("on")
            image(image: img, x:0,y:0)
            font(new java.awt.Font('Tahoma', java.awt.Font.BOLD, 15))
            text( x:0, y:img.height + 5, text: "@${id}", borderColor: no, fill: 'blue')
        }
    } catch (Exception e) {
        listFile.writeLine("\t${id} 例外発生：" + e)
    }
    listFile.writeLine("[twitter:@${id}]")
}
listFile.close()