bug fix (#267)

* bug fix

* AutoGeneratedField --> FieldRenderMixin, Struct

* AutoGeneratedField to actual field in get_uniqueness_extra_kwargs

* refactor

dynamicforms/fields.py

@@ -35,7 +35,24 @@
 
 
 class AutoGeneratedField(dict):
-    pass
+    def get_serializer_field(self, name, serializer, extra_params=None):
+        from rest_framework.utils import model_meta
+
+        if not hasattr(serializer, "_df_model"):
+            serializer._df_model = getattr(serializer.Meta, "model")
+        if not hasattr(serializer, "_df_info"):
+            serializer._df_info = model_meta.get_field_info(serializer._df_model)
+        if not hasattr(serializer, "_df_depth"):
+            serializer._df_depth = getattr(serializer.Meta, "depth", 0)
+
+        if extra_params is None:
+            extra_params = self
+        field_class, field_kwargs = serializer.build_field(
+            name, serializer._df_info, serializer._df_model, serializer._df_depth
+        )
+        field_kwargs.update(extra_params)
+
+        return field_class(**field_kwargs)
 
 
 class BooleanField(FieldRenderMixin, ActionMixin, FieldHelpTextMixin, ConditionalVisibilityMixin, fields.BooleanField):

dynamicforms/serializers.py

@@ -303,10 +303,14 @@ def get_uniqueness_extra_kwargs(self, field_names: List[str], declared_fields: D
         resolved display value in table
         """
         for field_name in field_names[:]:
-            # serializer field: either what is declared as a Field instance in Serializer or AutogeneratedField
-            s_field = declared_fields.get(field_name, getattr(self, field_name, None))
             # existing extra as provided by get_extra_kwargs
             extra = extra_kwargs.get(field_name, dict())
+
+            # serializer field: either what is declared as a Field instance in Serializer or AutogeneratedField
+            s_field = declared_fields.get(field_name, getattr(self, field_name, None))
+            if isinstance(s_field, fields.AutoGeneratedField):
+                s_field = s_field.get_serializer_field(field_name, self, extra)
+
             # model field, if it exists
             try:
                 d_field = self.Meta.model._meta.get_field(field_name)
@@ -350,7 +354,7 @@ def get_uniqueness_extra_kwargs(self, field_names: List[str], declared_fields: D
                     source="*",
                     display_form=DisplayMode.HIDDEN,
                     display_table=DisplayMode.FULL,
-                    render_params=s_field.render_params if s_field else None,
+                    render_params=getattr(s_field, "render_params", None) if s_field else None,
                 )
 
                 def get_resolve_method(fld_nm, res_fld):
@@ -528,4 +532,3 @@ def determine_layout_at_runtime(self, request):
         except ImportError:
             pass
         return self.Meta.layout
-