update user partition and access_denied_message_filter transformers

lms/djangoapps/course_api/blocks/api.py

@@ -5,6 +5,7 @@ API function for retrieving course blocks data
 import lms.djangoapps.course_blocks.api as course_blocks_api
 from lms.djangoapps.course_blocks.transformers.hidden_content import HiddenContentTransformer
 from lms.djangoapps.course_blocks.transformers.hide_empty import HideEmptyTransformer
+from lms.djangoapps.course_blocks.transformers.access_denied_filter import AccessDeniedMessageFilterTransformer
 from openedx.core.djangoapps.content.block_structure.transformers import BlockStructureTransformers
 from openedx.core.lib.mobile_utils import is_request_from_mobile_app
 
@@ -25,6 +26,7 @@ def get_blocks(
         student_view_data=None,
         return_type='dict',
         block_types_filter=None,
+        hide_access_denials=False,
 ):
     """
     Return a serialized representation of the course blocks.
@@ -51,6 +53,9 @@ def get_blocks(
             the format for returning the blocks.
         block_types_filter (list): Optional list of block type names used to filter
             the final result of returned blocks.
+        hide_access_denials (bool): When True, filter out any blocks that were
+            denied access to the user, even if they have access denial messages
+            attached.
     """
     # create ordered list of transformers, adding BlocksAPITransformer at end.
     transformers = BlockStructureTransformers()
@@ -70,6 +75,9 @@ def get_blocks(
             HiddenContentTransformer()
         ]
 
+    if hide_access_denials:
+        transformers += [AccessDeniedMessageFilterTransformer()]
+
     # TODO: Remove this after REVE-52 lands and old-mobile-app traffic falls to < 5% of mobile traffic
     if is_request_from_mobile_app(request):
         transformers += [HideEmptyTransformer()]