fixes attribute naming in filter backend and AutoSchema

Author: jokiefer

CHANGELOG.md

@@ -15,6 +15,7 @@ any parts of the framework not mentioned in the documentation should generally b
 * Fixed invalid relationship pointer in error objects when field naming formatting is used.
 * Properly resolved related resource type when nested source field is defined.
 * Prevented overwriting of pointer in custom error object
+* Adhered to field naming format setting when generating OpenAPI schema.
 
 ### Added
 

rest_framework_json_api/django_filters/backends.py

@@ -4,7 +4,7 @@
 from rest_framework.exceptions import ValidationError
 from rest_framework.settings import api_settings
 
-from rest_framework_json_api.utils import undo_format_field_name
+from rest_framework_json_api.utils import format_field_names, undo_format_field_name
 
 
 class DjangoFilterBackend(DjangoFilterBackend):
@@ -139,5 +139,6 @@ def get_schema_operation_parameters(self, view):
         result = super().get_schema_operation_parameters(view)
         for res in result:
             if "name" in res:
-                res["name"] = "filter[{}]".format(res["name"]).replace("__", ".")
+                name = format_field_names(res["name"].replace("__", "."))
+                res["name"] = "filter[{}]".format(name)
         return result

rest_framework_json_api/schemas/openapi.py

@@ -667,8 +667,8 @@ def map_serializer(self, serializer):
                 continue
 
             if field.required:
-                required.append(field.field_name)
-
+                required.append(format_field_name(field.field_name))
+                
             schema = self.map_field(field)
             if field.read_only:
                 schema["readOnly"] = True
@@ -681,6 +681,9 @@ def map_serializer(self, serializer):
             if field.help_text:
                 # Ensure django gettext_lazy is rendered correctly
                 schema["description"] = str(field.help_text)
+            if field.label:
+                # Ensure django gettext_lazy is rendered correctly
+                schema["title"] = str(field.label)
             self.map_field_validators(field, schema)
 
             attributes[format_field_name(field.field_name)] = schema