From 683ed31884b64848ddaf64ba5993f6ef14b7989d Mon Sep 17 00:00:00 2001
From: "R. S. Doiel" <rsdoiel@gmail.com>
Date: Fri, 3 Mar 2023 13:25:14 -0800
Subject: [PATCH] fix: fix trailing empty contributor record

---
 crosswalk.go | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/crosswalk.go b/crosswalk.go
index d5fbed3..29e1678 100644
--- a/crosswalk.go
+++ b/crosswalk.go
@@ -109,6 +109,31 @@ func simplifyCreators(rec *Record) error {
 	return nil
 }
 
+// simplifyContributors make sure the identifiers are mapped to Invenio-RDM
+// identifiers.
+func simplifyContributors(rec *Record) error {
+	if rec.Metadata.Contributors != nil && len(rec.Metadata.Contributors) > 0 {
+		contributors := []*Creator{}
+		for _, contributor := range rec.Metadata.Contributors {
+			if contributor.PersonOrOrg != nil && contributor.PersonOrOrg.FamilyName != "" {
+				if contributor.PersonOrOrg.Identifiers != nil && len(contributor.PersonOrOrg.Identifiers) > 0 {
+					for _, identifier := range contributor.PersonOrOrg.Identifiers {
+						if identifier.Scheme == "contributor_id" {
+							identifier.Scheme = "clpid"
+						}
+					}
+				}
+				contributors = append(contributors, contributor)
+			}
+		}
+		if len(contributors) > 0 {
+			rec.Metadata.Contributors = contributors
+		}
+	}
+	return nil
+}
+
+
 func simplifyFunding(rec *Record) error {
 	if rec.Metadata.Funding != nil && len(rec.Metadata.Funding) > 0 {
 		for _, funder := range rec.Metadata.Funding {