1 files changed, 49 insertions, 0 deletions
diff --git a/app/assets/javascripts/jira_import/utils.js b/app/assets/javascripts/jira_import/utils.js
index 504cf19e44e..aa10dfc8099 100644
--- a/app/assets/javascripts/jira_import/utils.js
+++ b/app/assets/javascripts/jira_import/utils.js
@@ -1,3 +1,5 @@
+import { last } from 'lodash';
+
 export const IMPORT_STATE = {
   FAILED: 'failed',
   FINISHED: 'finished',
@@ -8,3 +10,50 @@ export const IMPORT_STATE = {
 
 export const isInProgress = state =>
   state === IMPORT_STATE.SCHEDULED || state === IMPORT_STATE.STARTED;
+
+export const isFinished = state => state === IMPORT_STATE.FINISHED;
+
+/**
+ * Calculates the label title for the most recent Jira import.
+ *
+ * @param {Object[]} jiraImports - List of Jira imports
+ * @param {string} jiraImports[].jiraProjectKey - Jira project key
+ * @returns {string} - A label title
+ */
+const calculateJiraImportLabelTitle = jiraImports => {
+  const mostRecentJiraProjectKey = last(jiraImports)?.jiraProjectKey;
+  const jiraProjectImportCount = jiraImports.filter(
+    jiraImport => jiraImport.jiraProjectKey === mostRecentJiraProjectKey,
+  ).length;
+  return `jira-import::${mostRecentJiraProjectKey}-${jiraProjectImportCount}`;
+};
+
+/**
+ * Finds the label color from a list of labels.
+ *
+ * @param {string} labelTitle - Label title
+ * @param {Object[]} labels - List of labels
+ * @param {string} labels[].title - Label title
+ * @param {string} labels[].color - Label color
+ * @returns {string} - The label color associated with the given labelTitle
+ */
+const calculateJiraImportLabelColor = (labelTitle, labels) =>
+  labels.find(label => label.title === labelTitle)?.color;
+
+/**
+ * Calculates the label for the most recent Jira import.
+ *
+ * @param {Object[]} jiraImports - List of Jira imports
+ * @param {string} jiraImports[].jiraProjectKey - Jira project key
+ * @param {Object[]} labels - List of labels
+ * @param {string} labels[].title - Label title
+ * @param {string} labels[].color - Label color
+ * @returns {{color: string, title: string}} - A label object containing a label color and title
+ */
+export const calculateJiraImportLabel = (jiraImports, labels) => {
+  const title = calculateJiraImportLabelTitle(jiraImports);
+  return {
+    color: calculateJiraImportLabelColor(title, labels),
+    title,
+  };
+};