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Set assignee to component lead unless previous assignee is not previous component lead?

Joe Mallon

I need to set the assignee to the component lead only if the previous assignee was the lead of the previous component. I've got a Behaviours plugin script to set the assignee to the component lead:

import com.atlassian.jira.ComponentManager

FormField formComponent = getFieldById(fieldChanged)
FormField formUserField = getFieldById("assignee")

if (formComponent.getValue() != null &amp;&amp; formComponent.getValue() != "") {
    List components = formComponent.getValue() as List
 
    usera = components.first().lead

    formUserField.setFormValue(usera)
}

The plugin seems to act when a field changes. Can it know the pervious value of a field?

Accepted answers

All comments

Nic Brough -Adaptavist-

Yes, but you need to read the change history to find it - iterate over that looking for "your field" and oldvalue/newvalue

Joe Mallon

The problem is that the field will not have the changed value saved at that point. The behaviour runs every time the field is changed while the record is being edited, with seemingly no memory of what the field's original value was, but the change history only knows the old value once the record is saved.

JamieA

To get values of the issue as it is currently in the database, disregarding user input in the form, call methods on the underlyingIssue Issue object, which is available as a variable in your scripts.

So underlyingIssue.assignee should be the assignee as it was before the user started editing.

Joe Mallon

Spot on, as usual. Thanks! Here's the finished code:

import com.atlassian.jira.ComponentManager

FormField componentField = getFieldById(fieldChanged)
FormField assigneeField = getFieldById("assignee")

originalAssignee = underlyingIssue.assignee.getName()
originalComponentLead = underlyingIssue.components.first().lead

leadChange = (originalAssignee == originalComponentLead)

if (leadChange &amp;&amp; componentField.getValue() != null &amp;&amp; componentField.getValue() != "") {
    List components = componentField.getValue() as List
 
    newLead = components.first().lead

    if (newLead != null &amp;&amp; newLead != "") {
       assigneeField.setFormValue(newLead)
    }
}

JamieA

Good stuff.

underlyingIssue.components.first().lead can throw an NPE if there are no components... I would do some checking with that, unless you're sure the components can't be empty.

Joe Mallon

Ran into a bump. If there is no component originally specified, I want the project lead to act in the same way as the original component lead, i.e. be replaceable by the new component lead. The original case still works (replace component lead with component lead), but in the new case, the issue returns a "Validation error: Issues must be assigned" and the field doesn't get set.

import com.atlassian.jira.ComponentManager

// If the component changes and the issue is still assigned
// to the original component lead/project lead, change the assignee
// to the new component lead

FormField componentField = getFieldById(fieldChanged)

// Get original assignee

originalAssignee = underlyingIssue.assignee
if (originalAssignee != null &amp;&amp; originalAssignee != "") {
 originalAssigneeName = originalAssignee.getName()
} else {
 originalAssigneeName = null
}

// Get original component lead
// If there are no components, get project lead

originalComponents = underlyingIssue.components
if (originalComponents != null &amp;&amp; originalComponents != "" &amp;&amp; ! originalComponents.empty) {
 originalComponentLead = originalComponents.first().lead
} else {
 originalComponentLead = underlyingIssue.project.lead
}

// If the assignee is not the component or project lead, don't update the assignee

leadChange = (originalAssigneeName == originalComponentLead)

// If there is a component and assignment is OK, chagne the assignee to the lead for the new component

if (leadChange &amp;&amp; componentField.getValue() != null &amp;&amp; componentField.getValue() != "") {
    List components = componentField.getValue() as List
 
    newLead = components.first().lead

    if (newLead != null &amp;&amp; newLead != "") {
       FormField assigneeField = getFieldById("assignee")
       assigneeField.setFormValue(newLead)
    }
}

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