JIRA Service with Groovy ScriptRunner “Closing issues with status X with N days without updates” usign JQL

import com.atlassian.crowd.embedded.api.User
import com.atlassian.jira.bc.issue.search.SearchService
import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.Issue
import com.atlassian.jira.issue.IssueManager
import com.atlassian.jira.issue.comments.CommentManager
import com.atlassian.jira.issue.MutableIssue
import com.atlassian.jira.user.util.UserUtil
import com.atlassian.jira.web.bean.PagerFilter
import com.atlassian.jira.ComponentManager
import com.atlassian.jira.project.ProjectManager
import com.atlassian.jira.issue.IssueManager
import com.atlassian.jira.issue.index.IndexException
import com.atlassian.jira.ManagerFactory
import org.apache.log4j.Category
//import com.googlecode.jsu.util.WorkflowUtils

jqlSearch = 'status = "Statux X" AND NOT updated >= -Nd AND issueFunction in commented("by user_special") ORDER BY updated DESC'
SearchService searchService = ComponentAccessor.getComponent(SearchService.class)
UserUtil userUtil = ComponentAccessor.getUserUtil()
User user = ComponentAccessor.getJiraAuthenticationContext().getLoggedInUser()
ComponentManager componentManager = ComponentManager.getInstance()
CommentManager commentManager = componentManager.getCommentManager()
IssueManager issueManager = componentManager.getIssueManager();

Category log = Category.getInstance("com.onresolve.jira.groovy")
log.setLevel(org.apache.log4j.Level.DEBUG)
log.debug "CLOSING ISSUES IN STATUS X (N DAYS WITHOUT UPDATES)"
def String adminUserName = "user_special"
def String nagComment = "This ticket has been closed automatically by the system as no updates have been provided in the past N days."
//def targetFieldName = "customfield_10260"

if (!user) {
user = userUtil.getUserObject(adminUserName)
}

//def targetField = WorkflowUtils.getFieldFromKey(targetFieldName)
List<Issue> issues = null

SearchService.ParseResult parseResult = searchService.parseQuery(user, jqlSearch)
if (parseResult.isValid()) {
def searchResult = searchService.search(user, parseResult.getQuery(), PagerFilter.getUnlimitedFilter())
// Transform issues from DocumentIssueImpl to the "pure" form IssueImpl (some methods don't work with DocumentIssueImps)
issues = searchResult.issues.collect {issueManager.getIssueObject(it.id)}
for ( issue in issues ){
log.debug "issue: ${issue.getId()}, ${issue.getKey()} updated"
commentManager.create(issueManager.getIssueObject(issue.getKey()), adminUserName, nagComment, true)
//SET STATUS CLOSED
MutableIssue myIssue = issue
myIssue.setStatusId("6") //CLOSED
myIssue.setResolutionId("8") //DONE
myIssue.store()
ManagerFactory.getIndexManager().reIndex(myIssue.getGenericValue());
}
log.debug "CLOSING ISSUES IN STATUS X FINISH"

} else {
log.debug("Invalid JQL: " + jqlSearch);
}