fix container title extraction

1 files changed, 5 insertions, 3 deletions

diff --git a/skate/map.go b/skate/map.go
index 737c9af..0c55eed 100644
--- a/skate/map.go
+++ b/skate/map.go
@@ -24,9 +24,11 @@ type TitleDoc struct {
 	Title string `json:"title"`
 }
 
-// ContainerTitleDoc is a document with a title.
+// ContainerTitleDoc is a document with a container title.
 type ContainerTitleDoc struct {
-	ContainerTitle string `json:"container_title"`
+	Biblio struct {
+		ContainerTitle string `json:"container_title"`
+	} `json:"biblio"`
 }
 
 // PartialDoc for docs, that do not have DOI or title. E.g. we found 49701699
@@ -204,7 +206,7 @@ func MapperContainerTitle(p []byte) ([][]byte, error) {
 	if err := json.Unmarshal(p, &doc); err != nil {
 		return nil, err
 	} else {
-		key = []byte(wsReplacer.Replace(strings.TrimSpace(doc.ContainerTitle)))
+		key = []byte(wsReplacer.Replace(strings.TrimSpace(doc.Biblio.ContainerTitle)))
 	}
 	return [][]byte{key, p}, nil
 }