use unstructured key in jsonfeed references

cmd/root.go

@@ -13,7 +13,7 @@ import (
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:     "commonmeta",
-	Version: "v0.6.33",
+	Version: "v0.6.34",
 	Short:   "Convert scholarly metadata from one format to another",
 	Long: `Convert scholarly metadata between formats. Currently
 supported input formats are Crossref and DataCite DOIs, currently

inveniordm/writer.go

@@ -332,6 +332,9 @@ func Convert(data commonmeta.Data) (Inveniordm, error) {
 				} else {
 					unstructured = "Unknown title"
 				}
+				if v.PublicationYear != "" {
+					unstructured += " (" + v.PublicationYear + ")."
+				}
 			} else {
 				if v.ID != "" {
 					// remove duplicate ID from unstructured reference
@@ -340,10 +343,6 @@ func Convert(data commonmeta.Data) (Inveniordm, error) {
 				// remove optional trailing period
 				unstructured = strings.TrimSuffix(unstructured, " .")
 			}
-			if v.PublicationYear != "" {
-				unstructured += " (" + v.PublicationYear + ")."
-			}
-
 			reference := Reference{
 				Reference:  unstructured,
 				Scheme:     scheme,

jsonfeed/reader.go

@@ -95,6 +95,7 @@ type Reference struct {
 	ID              string `json:"id"`
 	PublicationYear string `json:"publicationYear"`
 	Title           string `json:"title"`
+	Unstructured    string `json:"unstructured"`
 }
 
 // relation types to include
@@ -414,6 +415,7 @@ func Read(content Content) (commonmeta.Data, error) {
 				ID:              v.ID,
 				Title:           v.Title,
 				PublicationYear: v.PublicationYear,
+				Unstructured:    v.Unstructured,
 			}
 			containsKey := slices.ContainsFunc(data.References, func(e commonmeta.Reference) bool {
 				return e.Key != "" && e.Key == reference.Key