26-获取链接的问题中的某个字段比较

@WithPlugin("com.hktx.jxrs.jxlife")
import com.onresolve.scriptrunner.runner.customisers.WithPlugin
import com.hktx.jira.utils.IssueLinkTypeUtils
import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.Issue
import com.atlassian.jira.issue.MutableIssue
import java.text.SimpleDateFormat
import com.atlassian.jira.issue.customfields.option.Option

def stage = getFieldByName("阶段名称")
def endDate = getFieldByName("计划完成日期")
def linkIssue = getFieldById("issuelinks-issues")
def issueManager = ComponentAccessor.getIssueManager()
def customFieldManager = ComponentAccessor.getCustomFieldManager()
//项目档案issue
Issue parentIssue = null
//创建页面
if (linkIssue != null && (underlyingIssue?.id == null || underlyingIssue?.id == '')) {
    def linkIssuekey = linkIssue.getValue() as String[]
    if (linkIssuekey){
        //项目档案issue
        parentIssue = issueManager.getIssueObject(linkIssuekey[0])
    }
} else {
    //编辑页面
    //获取阶段对于的项目
    List<Issue> projectIssueList = IssueLinkTypeUtils.getIssueListByLinkDescription(underlyingIssue, '所属项目')
    if (projectIssueList != null) {
        parentIssue = projectIssueList.get(0)
    }
}
if (parentIssue != null && endDate && endDate.getValue() && stage && stage.getValue()) {
   def endDateVal = endDate.getValue() as Date
   //判断计划完成日期是否大于项目阶段的计划完成日期
    //自定义字段-阶段名称
    def cf_jdmc = customFieldManager.getCustomFieldObject(12600L)
    //获取项目下的所有阶段
    List<Issue> jdIssueList = IssueLinkTypeUtils.getIssueListByLinkDescription(parentIssue, '关联的项目阶段')
    //找到当前选择的阶段
    Issue currentJdIssue = null
    for (Issue jdIssue : jdIssueList) {
        Option jdmcOption  = (Option) jdIssue.getCustomFieldValue(cf_jdmc)
        if (jdmcOption != null && stage.getValue().equals(jdmcOption.getValue())) {
            currentJdIssue = jdIssue
            break
        } 
    }
    if (currentJdIssue != null) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd")
        //获取当前阶段的计划开始日期
        def startDate = ComponentAccessor.customFieldManager.getCustomFieldObject(12003L)
        def parentStartDate = currentJdIssue.getCustomFieldValue(startDate) as Date
        //获取当前阶段的计划完成日期
        def doneDate = ComponentAccessor.customFieldManager.getCustomFieldObject(10201L)
        def parentEndDate = currentJdIssue.getCustomFieldValue(doneDate) as Date
        if (endDateVal && endDateVal.before(parentStartDate)) {
            endDate.setError('计划完成日期不能小于当前阶段的计划开始日期: '+sdf.format(parentStartDate))
        } else if (endDateVal && endDateVal.after(parentEndDate)) {
            endDate.setError('计划完成日期不能大于当前阶段的计划完成日期: '+sdf.format(parentEndDate))
        } else {
            endDate.setError('')
        }
    }
}