CreateSubTask

import com.atlassian.jira.ComponentManager
import com.atlassian.jira.issue.CustomFieldManager
import com.atlassian.jira.issue.Issue
import com.opensymphony.user.Group
import com.atlassian.jira.issue.MutableIssue
import com.atlassian.jira.config.SubTaskManager
import org.ofbiz.core.entity.GenericValue
import com.opensymphony.user.User
import com.atlassian.core.user.UserUtils
import com.atlassian.jira.user.util.UserManager
import com.opensymphony.workflow.WorkflowContext
import com.atlassian.jira.security.util.GroupSelectorUtils

ComponentManager componentManager = ComponentManager.getInstance()
CustomFieldManager customFieldManager = componentManager.getCustomFieldManager()
def issueFactory = componentManager.getIssueFactory()
def issueManager = componentManager.getIssueManager()
def indexManager = componentManager.getIndexManager()
def groupCf = customFieldManager.getCustomFieldObjectByName("Kompetenzcluster") // name of group CF
def UserList = []
String currentUser = ((WorkflowContext) transientVars.get("context")).getCaller()
User currentUserObj = UserUtils.getUser(currentUser)
GroupSelectorUtils util = (GroupSelectorUtils) ComponentManager.getInstance().getContainer().getComponentInstanceOfType(GroupSelectorUtils.class)

//Group group = issue.getCustomFieldValue(groupCf) as Group
issue.getCustomFieldValue(groupCf).each {Object group ->

        if (group) {
            Group groupObj = util.getGroups((String) group)
            groupObj.getUsers().each {String user ->

                if(!UserList.contains(user) && user != currentUser) {

                        MutableIssue newIssue = issueFactory.getIssue()
                        newIssue.summary = "$user: " + issue.summary
                        newIssue.issueTypeId = '71'
                        newIssue.project = issue.project
                        newIssue.reporter = UserUtils.getUser(user)
                        newIssue.assignee = UserUtils.getUser(user)
                        newIssue.assigneeId = user
                        newIssue.priority = issue.priority
                        //newIssue.affectedVersions = issue.affectedVersions
                        //newIssue.fixVersions = issue.fixVersions

                        Map<String,Object> newIssueParams = ["issue":newIssue] as Map<String,Object>
                        //User currentUser = componentManager.getJiraAuthenticationContext().getUser()
                        GenericValue newIssueGv = issueManager.createIssue(currentUserObj, newIssueParams)
                        indexManager.reIndex(newIssueGv);

                        SubTaskManager subTaskManager = componentManager.getSubTaskManager()
                        subTaskManager.createSubTaskIssueLink(issue, newIssue, componentManager.getJiraAuthenticationContext().getUser())

                        indexManager.reIndex(newIssueGv);
                        indexManager.reIndex(issue);

                        UserList.add(user)

                }
            }
        }
}