temp: added logs for debugging in thread delete (#37127)

openedx/core/djangoapps/django_comment_common/comment_client/thread.py

@@ -7,10 +7,16 @@ import typing as t
 
 from eventtracking import tracker
 
-from . import models, settings, utils
+from django.core.exceptions import ObjectDoesNotExist
 from forum import api as forum_api
-from openedx.core.djangoapps.discussions.config.waffle import is_forum_v2_enabled, is_forum_v2_disabled_globally
+from forum.api.threads import prepare_thread_api_response
+from forum.backend import get_backend
 from forum.backends.mongodb.threads import CommentThread
+from forum.utils import ForumV2RequestError
+from rest_framework.serializers import ValidationError
+
+from openedx.core.djangoapps.discussions.config.waffle import is_forum_v2_enabled, is_forum_v2_disabled_globally
+from . import models, settings, utils
 
 
 log = logging.getLogger(__name__)
@@ -245,6 +251,50 @@ class Thread(models.Model):
         }
         return CommentThread()._collection.count_documents(query_params)  # pylint: disable=protected-access
 
+    @classmethod
+    def _delete_thread(cls, thread_id, course_id=None):
+        """
+        Deletes a thread
+        """
+        prefix = "<<Bulk Delete Thread>>"
+        backend = get_backend(course_id)()
+        try:
+            start_time = time.perf_counter()
+            thread = backend.validate_object("CommentThread", thread_id)
+            log.info(f"{prefix} Thread fetch {time.perf_counter() - start_time} sec")
+        except ObjectDoesNotExist as exc:
+            log.error("Forumv2RequestError for delete thread request.")
+            raise ForumV2RequestError(
+                f"Thread does not exist with Id: {thread_id}"
+            ) from exc
+
+        start_time = time.perf_counter()
+        backend.delete_comments_of_a_thread(thread_id)
+        log.info(f"{prefix} Delete comments of thread {time.perf_counter() - start_time} sec")
+
+        try:
+            start_time = time.perf_counter()
+            serialized_data = prepare_thread_api_response(thread, backend)
+            log.info(f"{prefix} Prepare response {time.perf_counter() - start_time} sec")
+        except ValidationError as error:
+            log.error(f"Validation error in get_thread: {error}")
+            raise ForumV2RequestError("Failed to prepare thread API response") from error
+
+        start_time = time.perf_counter()
+        backend.delete_subscriptions_of_a_thread(thread_id)
+        log.info(f"{prefix} Delete subscriptions {time.perf_counter() - start_time} sec")
+
+        start_time = time.perf_counter()
+        result = backend.delete_thread(thread_id)
+        log.info(f"{prefix} Delete thread {time.perf_counter() - start_time} sec")
+        if result and not (thread["anonymous"] or thread["anonymous_to_peers"]):
+            start_time = time.perf_counter()
+            backend.update_stats_for_course(
+                thread["author_id"], thread["course_id"], threads=-1
+            )
+            log.info(f"{prefix} Update stats {time.perf_counter() - start_time} sec")
+        return serialized_data
+
     @classmethod
     def delete_user_threads(cls, user_id, course_ids):
         """
@@ -264,7 +314,7 @@ class Thread(models.Model):
             thread_id = thread.get("_id")
             course_id = thread.get("course_id")
             if thread_id:
-                forum_api.delete_thread(thread_id, course_id=course_id)
+                cls._delete_thread(thread_id, course_id=course_id)
                 threads_deleted += 1
             log.info(f"<<Bulk Delete>> Deleted thread {thread_id} in {time.time() - start_time} seconds."
                      f" Thread Found: {thread_id is not None}")