3 files changed, 22 insertions, 0 deletions
diff --git a/skate/cmd/skate-map/main.go b/skate/cmd/skate-map/main.go
index 6c61af0..57a1498 100644
--- a/skate/cmd/skate-map/main.go
+++ b/skate/cmd/skate-map/main.go
@@ -83,6 +83,7 @@ func main() {
 		"cdxu": skate.MapperCdxSummary,
 		"bref": skate.MapperBrefWork,
 		"rewo": skate.MapperReleaseWork,
+		"bidt": skate.MapperBrefIdentifierTable,
 	}
 	if *logFile != "" {
 		f, err := os.OpenFile(*logFile, os.O_CREATE|os.O_APPEND, 0644)
diff --git a/skate/map.go b/skate/map.go
index ca98186..ad62328 100644
--- a/skate/map.go
+++ b/skate/map.go
@@ -415,6 +415,25 @@ func MapperReleaseWork(p []byte) (fields [][]byte, err error) {
 	return [][]byte{[]byte(release.WorkID), p}, nil
 }
 
+// MapperBrefIdentifierTable generates an id table from biblioref.
+func MapperBrefIdentifierTable(p []byte) (field [][]byte, err error) {
+	var bref struct {
+		SourceReleaseIdent string `json:"source_release_ident,omitempty"`
+		TargetReleaseIdent string `json:"target_release_ident,omitempty"`
+		SourceDOI          string `json:"source_doi,omitempty"`
+		TargetDOI          string `json:"target_doi,omitempty"`
+	}
+	if err := json.Unmarshal(p, &bref); err != nil {
+		return nil, err
+	}
+	return [][]byte{
+		[]byte(bref.SourceReleaseIdent),
+		[]byte(bref.TargetReleaseIdent),
+		[]byte(bref.SourceDOI),
+		[]byte(bref.TargetDOI),
+	}, nil
+}
+
 // sandcrawlerSlugify normalizes a string.
 func sandcrawlerSlugify(s string) string {
 	slug := strings.ToLower(strings.TrimSpace(s))
diff --git a/skate/schema.go b/skate/schema.go
index 2cea15a..078556c 100644
--- a/skate/schema.go
+++ b/skate/schema.go
@@ -438,6 +438,8 @@ type BiblioRef struct {
 	MatchReason            string `json:"match_reason,omitempty"`
 	TargetUnstructured     string `json:"target_unstructured,omitempty"`
 	TargetCSL              *CSL   `json:"target_csl,omitempty"`
+	SourceDOI              string `json:"source_doi,omitempty"`
+	TargetDOI              string `json:"target_doi,omitempty"`
 }
 
 // CSL is a subset of citation style language schema.