Labelled an opportunity's ID as an OCID only when it is one

web/src/lib/opportunities.ts

@@ -83,3 +83,12 @@ const NOTICE_SITES: Record<string, NoticeSite> = {
 export function noticeSite(opportunity: Opportunity): NoticeSite | undefined {
   return NOTICE_SITES[opportunity.source];
 }
+
+/**
+ * What the opportunity's UUID is called on screen: "OCID" for an OCDS
+ * contracting process's id, and "ID" for the other kinds, such as
+ * eusupply-uk-<tender id>, which the app makes up itself.
+ */
+export function uuidLabel(opportunity: Opportunity): string {
+  return opportunity.uuid_type === 'ocid' ? 'OCID' : 'ID';
+}