ci: improve functional review requirement integration

Author: Kaian

Jenkinsfile

@@ -500,11 +500,17 @@ pipeline {
                         return
                     }
 
+                    if (!env.CHANGE_ID) {
+                        echo "Not a Pull request."
+                        return
+                    }
+
                     def issue = jiraGetIssue site: 'irontec.atlassian.net', idOrKey: env.JIRA_TICKET
 
                     // Functional Reviewer - 10105
                     if (issue.data.fields.customfield_10105) {
                         println "Functional Reviewer: ${issue.data.fields.customfield_10105.displayName}"
+                        pullRequest.addLabel('functional-review')
                     } else {
                         println "No functional reviewer assigned."
                     }
@@ -518,9 +524,26 @@ pipeline {
                     def status = issue.data.fields.status
                     println "Issue Status: ${status.name} (${status.id})"
 
-                    // For Issues with Functional reviewer and not validated
-                    if (issue.data.fields.customfield_10105 && status.id != "10325") {
-                        unstable "Functional approval required."
+                    // For Issues with Functional reviewer
+                    if (issue.data.fields.customfield_10105) {
+                        // Not validated
+                        if (status.id != "10325") {
+                            // Ensure the PR is not already marked as changed requested
+                            def lastFuncReviewStatus
+                            for (review in pullRequest.reviews) {
+                                if (review.user == "ironArt3mis") {
+                                    lastFuncReviewStatus = review.state
+                                }
+                            }
+                            // PR already marked as review requested
+                            if (lastFuncReviewStatus == "CHANGES_REQUESTED") {
+                                echo "This PR is already marked as functional review required"
+                                return
+                            }
+                            pullRequest.review('REQUEST_CHANGES', 'Functional review required')
+                        } else {
+                            pullRequest.review('APPROVE')
+                        }
                     }
                 }
             }