gistfile1.groovy

package examples.old

import com.atlassian.jira.ComponentManager
import com.atlassian.jira.issue.history.ChangeItemBean
import com.atlassian.jira.issue.Issue
import com.atlassian.core.util.DateUtils

def componentManager = ComponentManager.getInstance()
def changeHistoryManager = componentManager.getChangeHistoryManager()

def inProgressName = "Open"

def rt = [0]
def changeItems = changeHistoryManager.getChangeItemsForField(issue, "status")
changeItems.reverse().each {ChangeItemBean item ->
    item.toString == inProgressName

    def timeDiff = System.currentTimeMillis() - item.created.getTime()
    if (item.fromString == inProgressName) {
        rt << -timeDiff
    }
    if (item.toString == inProgressName){
        rt << timeDiff
    }
}

if (! changeItems) {
    rt << (System.currentTimeMillis() - issue.getCreated().getTime())

}

// doesn't show anything if less than 60 seconds
DateUtils.getDurationString(Math.round(rt.sum() / 1000)) ?: "0m"