Added serializer parent region

apps/location/serializers/common.py

@@ -34,6 +34,27 @@ class CountrySimpleSerializer(serializers.ModelSerializer):
         fields = ('id', 'code', 'name_translated')
 
 
+class ParentRegionSerializer(serializers.ModelSerializer):
+    """Region serializer"""
+
+    country = CountrySerializer(read_only=True)
+    country_id = serializers.PrimaryKeyRelatedField(
+        source='country',
+        queryset=models.Country.objects.all(),
+        write_only=True
+    )
+
+    class Meta:
+        model = models.Region
+        fields = [
+            'id',
+            'name',
+            'code',
+            'country',
+            'country_id'
+        ]
+
+
 class RegionSerializer(serializers.ModelSerializer):
     """Region serializer"""
 
@@ -43,6 +64,7 @@ class RegionSerializer(serializers.ModelSerializer):
         queryset=models.Country.objects.all(),
         write_only=True
     )
+    parent_region = ParentRegionSerializer(read_only=True)
 
     class Meta:
         model = models.Region