Create a Sub-task and Link to Parent Issue in Jira

    

        
        
        
            
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    import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.fields.config.manager.PrioritySchemeManager

// the issue key of the parent issue
final parentIssueKey = 'JRA-1'

// the issue type for the new issue - should be of type subtask
final issueTypeName = 'Sub-task'

// user with that user key will be the reporter of the issue
final reporterKey = 'auser'

// the summary of the new issue
final summary = 'Groovy Friday'

// the priority of the new issue
final priorityName = 'Major'

def issueService = ComponentAccessor.issueService
def constantsManager = ComponentAccessor.constantsManager
def loggedInUser = ComponentAccessor.jiraAuthenticationContext.loggedInUser
def prioritySchemeManager = ComponentAccessor.getComponent(PrioritySchemeManager)

def parentIssue = ComponentAccessor.issueManager.getIssueByCurrentKey(parentIssueKey)
assert parentIssue : "Could not find parent issue with key $parentIssueKey"

def subtaskIssueTypes = constantsManager.allIssueTypeObjects.findAll { it.subTask }
def subTaskIssueType = subtaskIssueTypes.findByName(issueTypeName)
assert subTaskIssueType : "Could not find subtask issue type with name $issueTypeName. Avaliable subtask issue types are ${subtaskIssueTypes*.name.join(", ")}"

// if we cannot find user with the specified key or this is null, then set as a  reporter the logged in user
def reporter = ComponentAccessor.userManager.getUserByKey(reporterKey) ?: loggedInUser

// if we cannot find the priority with the given name or if this is null, then set the default priority
def priorityId = constantsManager.priorities.findByName(priorityName)?.id ?: prioritySchemeManager.getDefaultOption(parentIssue)

def issueInputParameters = issueService.newIssueInputParameters().with {
    setProjectId(parentIssue.projectObject.id)
    setIssueTypeId(subTaskIssueType.id)
    setReporterId(reporter.username)
    setSummary(summary)
    setPriorityId(priorityId)
}

def validationResult = issueService.validateSubTaskCreate(loggedInUser, parentIssue.id, issueInputParameters)
assert validationResult.valid : validationResult.errorCollection

def issueResult = issueService.create(loggedInUser, validationResult)
assert issueResult.valid : issueResult.errorCollection

def subtask = issueResult.issue
ComponentAccessor.subTaskManager.createSubTaskIssueLink(parentIssue, subtask, loggedInUser)