Field editing based on reporter (script behaviour)

[valeria cruz]

Hi! I need to build a behavior script for editing the epic link field based on the reporter. I'm using a server-side script function, but the script doesn't work when the reporter is a different user.
Follow my script

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import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.Issue
import com.atlassian.jira.component.ComponentAccessor

def reporterfield = getFieldByName("reporter")
def cfEpicLink = customFieldManager.getCustomFieldObjectsByName("Epic Link")

if(reporterfield != ("rocket")){
getFieldByName("Epic Link").setReadOnly(false);
}

else
reporterfield == ("rocket")
getFieldByName("Epic Link").setReadOnly(true)

[Ilya Stekolnikov]

try this 

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.Issue

def cfEpicLink = customFieldManager.getCustomFieldObjectsByName("Epic Link")

def userManager = ComponentAccessor.getUserManager()

def reporterField = getFieldById("reporter")
def reporterValue = reporterField.getValue()
def reporterUser = userManager.getUserByName(reporterValue.toString())

if(reporterUser != ("rocket")){
getFieldByName("Epic Link").setReadOnly(false);
}

else
reporterUser == ("rocket")
getFieldByName("Epic Link").setReadOnly(true)