Add 'barcode_hash' data to more API serializers: (#3906)

* Add 'barcode_hash' data to more API serializers:

- part
- stock location
- supplier part

* Bump API version

* Make 'barcode_hash' fields read-only via the API

* Fix for Part serializer

InvenTree/stock/serializers.py

@@ -65,6 +65,10 @@ class StockItemSerializerBrief(InvenTree.serializers.InvenTreeModelSerializer):
             'barcode_hash',
         ]
 
+        read_only_fields = [
+            'barcode_hash',
+        ]
+
     def validate_serial(self, value):
         """Make sure serial is not to big."""
         if abs(extract_int(value)) > 0x7fffffff:
@@ -258,6 +262,7 @@ class StockItemSerializer(InvenTree.serializers.InvenTreeModelSerializer):
         """
         read_only_fields = [
             'allocated',
+            'barcode_hash',
             'stocktake_date',
             'stocktake_user',
             'updated',
@@ -602,6 +607,7 @@ class LocationSerializer(InvenTree.serializers.InvenTreeModelSerializer):
         model = StockLocation
         fields = [
             'pk',
+            'barcode_hash',
             'url',
             'name',
             'level',
@@ -613,6 +619,10 @@ class LocationSerializer(InvenTree.serializers.InvenTreeModelSerializer):
             'icon',
         ]
 
+        read_only_fields = [
+            'barcode_hash',
+        ]
+
 
 class StockItemAttachmentSerializer(InvenTree.serializers.InvenTreeAttachmentSerializer):
     """Serializer for StockItemAttachment model."""