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Copy custom field (select list) from parent to child with listener on 'issue created'.

Judah

I am trying to copy a custom field from parent to child (sub-task) using a listener on 'issue created' event. This code is piece-meal from many places...I am getting an error on this line

MutableIssue parentIssue = issue.getParentObject()

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.event.type.EventDispatchOption
import com.atlassian.jira.issue.CustomFieldManager;
import com.atlassian.jira.issue.MutableIssue
import com.atlassian.jira.issue.UpdateIssueRequest
import com.atlassian.jira.issue.fields.CustomField

MutableIssue parentIssue = issue.getParentObject()

CustomFieldManager customFieldManager = ComponentAccessor.getCustomFieldManager()

CustomField copyFrom = customFieldManager.getCustomFieldObject("Source of Request - JudahTest")
CustomField cf2Update = customFieldManager.getCustomFieldObject("Source of Request - JudahTest")

def valcf2Update = parentIssue.getCustomFieldValue(cf2Update)

if (valcf2Update == null){
 parentIssue.setCustomFieldValue(cf2Update, event.issue.getCustomFieldValue(copyFrom))
}

ComponentAccessor.getIssueManager().updateIssue(
 ComponentAccessor.getJiraAuthenticationContext().getLoggedInUser()
 , parentIssue
 , UpdateIssueRequest.builder().eventDispatchOption(EventDispatchOption.ISSUE_UPDATED).sendMail(false).build() )

Any help would be greatly appreciated.

Accepted answers

Joshua Yamdogo @ Adaptavist

Hi,

I made a few modifications to your script and it seems to work fine.

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.Issue
import com.atlassian.jira.issue.ModifiedValue
import com.atlassian.jira.issue.util.DefaultIssueChangeHolder

Issue issue = event.issue

if (issue.issueType.name == "Sub-task") {

def changeHolder = new DefaultIssueChangeHolder()

def parentIssue = issue.getParentObject()

def customFieldManager = ComponentAccessor.getCustomFieldManager()

def field = customFieldManager.getCustomFieldObjects(event.issue).find { it.name == "Source of Request - JudahTest" }

def subTaskValue = issue.getCustomFieldValue(field)
def parentValue = parentIssue.getCustomFieldValue(field)

if (parentValue == null && subTaskValue) {
        field.updateValue(null, parentIssue, new ModifiedValue(parentIssue.getCustomFieldValue(field), subTaskValue), changeHolder)
    } else {
        field.updateValue(null, issue, new ModifiedValue(issue.getCustomFieldValue(field), parentValue), changeHolder)
    }
}

I added a listener that listens for a "Create Issue" event. The listener checks to see if the newly created issue is a sub-task. If it is, it will get the parent value's for the custom field and update the sub-task to match the value.

You can find an example of updating custom field values in listeners on our new website: https://library.adaptavist.com/entity/update-the-value-of-a-custom-field-using-a-listener

Regards,

Josh

All comments

Joshua Yamdogo @ Adaptavist

Hi,

I made a few modifications to your script and it seems to work fine.

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.Issue
import com.atlassian.jira.issue.ModifiedValue
import com.atlassian.jira.issue.util.DefaultIssueChangeHolder

Issue issue = event.issue

if (issue.issueType.name == "Sub-task") {

def changeHolder = new DefaultIssueChangeHolder()

def parentIssue = issue.getParentObject()

def customFieldManager = ComponentAccessor.getCustomFieldManager()

def field = customFieldManager.getCustomFieldObjects(event.issue).find { it.name == "Source of Request - JudahTest" }

def subTaskValue = issue.getCustomFieldValue(field)
def parentValue = parentIssue.getCustomFieldValue(field)

if (parentValue == null && subTaskValue) {
        field.updateValue(null, parentIssue, new ModifiedValue(parentIssue.getCustomFieldValue(field), subTaskValue), changeHolder)
    } else {
        field.updateValue(null, issue, new ModifiedValue(issue.getCustomFieldValue(field), parentValue), changeHolder)
    }
}

You can find an example of updating custom field values in listeners on our new website: https://library.adaptavist.com/entity/update-the-value-of-a-custom-field-using-a-listener

Regards,

Josh

Judah

Thank you Joshua Yamdogo @ Adaptavistthis works perfectly!

A few clarification questions if you have time...

1. Can you briefly explain what the DefaultIssueChangeHolder() class does? I saw that you passed it as a parameter in the updateValue() method and I'm not sure what a ChangeHolder 'does'.

2. Is updateValue() a better method to use than setCustomFieldValue()? - this is what I attempted to use.

3. How does "it" work in this context, what can I use "it" to reference? Is that a groovy object? I saw that you called "it.name"?

Again, thank you for your efforts and time, this is a beautifully executed solution.

Judah

Also, the documentation on the new website you've provided looks great!

https://library.adaptavist.com/

Thanks again!

Joshua Yamdogo @ Adaptavist

Sure!

1. I think this is best explained by the Atlassian docs here. Essentially, the IssueChangeHolder defines a simple object that can contain the changes that have occurred to an issue.

2. updateValue() is necessary for listeners because it actually updates the issue in the data store. setCustomFieldValue() will set the value for the issue, but it won't persist the change to the database. So after the listener is finished executing, changes made with setCustomFieldValue() will be erased. setCustomFieldValue() is generally fine to use in things like Post-Functions, which have built-in functionalities to persist changes.

3. 'it' is just the default loop parameter in Groovy. You could write it like this as well:

def field = customFieldManager.getCustomFieldObjects(event.issue).find { field -> field.name == "Source of Request - JudahTest" }

Good example here: https://www.tutorialspoint.com/groovy/groovy_find.htm

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