Jenkins failed/aborted jobs cleanup

JobCleanup.groovy

import java.util.ArrayList
import hudson.model.*;

def ArrayList<String> getJobList(String pipelineName) {

    def hi = hudson.model.Hudson.instance;
    def item = hi.getItemByFullName(pipelineName);
    def jobs = item.getAllJobs();

    def arr = new ArrayList<String>();

    Iterator<?> iterator = jobs.iterator();
    while (iterator.hasNext()) {
        def job = iterator.next();
        arr.add(pipelineName + "/" + job.name);
    }
    return arr;
}


def deleteJobs(ArrayList<String> jobnamelist, Boolean deleteFailed = true, Boolean deleteAborted = true){
    for(String jobstring in jobnamelist) {
        def joblist = getJobList(jobstring)
        for(String jobname in joblist) {
            print("Scanning job " + jobname + " for failed and aborted builds")
            def job = Jenkins.instance.getItemByFullName(jobname) 
            job.getBuilds().each {
                //print(it.getNumber())
                if((deleteFailed && it.result == Result.FAILURE) || (deleteAborted && it.result == Result.ABORTED)){
                    print("Deleting job " + jobname + " run # " + it.getNumber())
                    // Delete failed job
                    it.delete()
                }
            }
        }
    }
}

def jobnames = ["","",""]

pipeline {
    agent { 
        kubernetes {
            defaultContainer 'jnlp'
            retries 2
        }
     }
    options {
        disableConcurrentBuilds()
    }
    triggers {
        cron('0 22 * * 1')    // run every monday at 20:00 https://crontab.guru/#0_20_*_*_1-5
    }
    stages {
        stage ('Deleting jobs'){
            steps {
                script {
                    properties([
                        parameters([
                            booleanParam(
                                defaultValue: true,
                                description: 'Delete aborted jobs',
                                name: 'DELETE_ABORTED'
                            ),
                            booleanParam(
                                defaultValue: true,
                                description: 'Delete failed jobs',
                                name: 'DELETE_FAILED'
                            )
                        ])
                    ])
                }
                deleteJobs(jobnames)
            }
        }
    }
}