refactor: add type hints to filter/order functions

cms/djangoapps/contentstore/views/course.py

@@ -15,6 +15,7 @@
 from django.contrib.auth import get_user_model
 from django.contrib.auth.decorators import login_required
 from django.core.exceptions import FieldError, PermissionDenied, ValidationError as DjangoValidationError
+from django.db.models import QuerySet
 from django.http import Http404, HttpResponse, HttpResponseBadRequest, HttpResponseNotFound
 from django.shortcuts import redirect
 from django.urls import reverse
@@ -592,7 +593,7 @@ def filter_ccx(course_access):
     return courses_list, []
 
 
-def get_courses_by_status(active_only, archived_only, course_overviews):
+def get_courses_by_status(active_only: bool, archived_only: bool, course_overviews: QuerySet[CourseOverview]):
     """
     Return course overviews based on a base queryset filtered by a status.
 
@@ -606,7 +607,7 @@ def get_courses_by_status(active_only, archived_only, course_overviews):
     return CourseOverview.get_courses_by_status(active_only, archived_only, course_overviews)
 
 
-def get_courses_by_search_query(search_query, course_overviews):
+def get_courses_by_search_query(search_query: str | None, course_overviews: QuerySet[CourseOverview]):
     """Return course overviews based on a base queryset filtered by a search query.
 
     Args:
@@ -618,7 +619,7 @@ def get_courses_by_search_query(search_query, course_overviews):
     return CourseOverview.get_courses_matching_query(search_query, course_overviews=course_overviews)
 
 
-def get_courses_order_by(order_query, course_overviews):
+def get_courses_order_by(order_query: str | None, course_overviews: QuerySet[CourseOverview]):
     """Return course overviews based on a base queryset ordered by a query.
 
     Args: