Remove author when no fields are set

cmd/server/fetch.go

@@ -325,6 +325,14 @@ func (b *memoryBackend) feedItems(fetchURL, contentType string, body io.Reader)
 	} else {
 		log.Printf("Unknown Content-Type: %s\n", contentType)
 	}
+
+	for i, v := range items {
+		// Clear type of author, when other fields also aren't set
+		if v.Author.Name == "" && v.Author.Photo == "" && v.Author.URL == "" {
+			v.Type = ""
+			items[i] = v
+		}
+	}
 	return items, nil
 }