nieuw formaat JSON voor NOS

NOS/cmd/json2txt/json2txt.go

@@ -11,7 +11,12 @@ import (
 	"time"
 )
 
+type Graph struct {
+	Items []Item `json:"@graph"`
+}
+
 type Item struct {
+	Type  any      `json:"@type"`
 	Title string   `json:"name"`
 	Text  string   `json:"articleBody"`
 	Cats  []string `json:"articleSection"`
@@ -54,8 +59,7 @@ func main() {
 		x(err)
 		fp, err := os.Create("out/" + filename[:len(filename)-5] + ".txt")
 		x(err)
-		var item Item
-		x(json.Unmarshal(b, &item))
+		item := getItem(b, filename)
 		for _, cat := range item.Cats {
 			x(fmt.Fprintf(fp, "##META text cat = %s\n", fixSpace(cat)))
 		}
@@ -68,6 +72,25 @@ func main() {
 	}
 }
 
+func getItem(b []byte, filename string) Item {
+	var graph Graph
+	if json.Unmarshal(b, &graph) == nil {
+		if graph.Items != nil {
+			for _, item := range graph.Items {
+				switch v := item.Type.(type) {
+				case string:
+					if v == "NewsArticle" {
+						return item
+					}
+				}
+			}
+		}
+	}
+	var item Item
+	x(json.Unmarshal(b, &item), filename)
+	return item
+}
+
 func addEnd(s string) string {
 	s = strings.TrimSpace(s)
 	n := len(s)