Text orientation in bulk transcription creation

closes #854 (closed) depends on !1525 (merged)

arkindex/documents/serializers/ml.py

@@ -399,6 +399,7 @@ class TranscriptionBulkItemSerializer(serializers.Serializer):
         help_text='This field is deprecated; please use the `confidence` field instead.'
     )
     confidence = serializers.FloatField(min_value=0, max_value=1, required=False)
+    orientation = EnumField(TextOrientation, default=TextOrientation.HorizontalLeftToRight, required=False)
 
     def validate(self, data):
         # Element retrieval and checks is done in the BulkSerializer to avoid duplicate queries
@@ -449,6 +450,7 @@ class TranscriptionBulkSerializer(serializers.Serializer):
                 worker_version=validated_data['worker_version'],
                 element_id=transcription['element_id'],
                 text=transcription['text'],
+                orientation=transcription['orientation'],
                 confidence=transcription['confidence'],
             )
             for transcription in validated_data['transcriptions']