feat: add filter in CourseEnrollmentAllowed.

lms/djangoapps/instructor/enrollment.py

@@ -33,6 +33,7 @@
     get_event_transaction_id,
     set_event_transaction_type
 )
+from common.djangoapps.student.models import EnrollmentNotAllowed
 from lms.djangoapps.courseware.models import StudentModule
 from lms.djangoapps.grades.api import constants as grades_constants
 from lms.djangoapps.grades.api import disconnect_submissions_signal_receiver
@@ -51,6 +52,7 @@
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
 from openedx.core.djangoapps.user_api.models import UserPreference
 from openedx.core.djangolib.markup import Text
+from openedx_filters.learning.filters import CourseEnrollmentStarted
 from xmodule.modulestore.django import modulestore  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.exceptions import ItemNotFoundError  # lint-amnesty, pylint: disable=wrong-import-order
 
@@ -166,6 +168,13 @@ def enroll_email(course_id, student_email, auto_enroll=False, email_students=Fal
             send_mail_to_student(student_email, email_params, language=language)
 
     elif not is_email_retired(student_email):
+        try:
+            CourseEnrollmentStarted.run_filter(
+                user=None, course_key=course_id, mode=None,
+            )
+        except CourseEnrollmentStarted.PreventEnrollment as exc:
+            raise EnrollmentNotAllowed(str(exc)) from exc
+
         cea, _ = CourseEnrollmentAllowed.objects.get_or_create(course_id=course_id, email=student_email)
         cea.auto_enroll = auto_enroll
         cea.save()