fix: respect allow_enrollment_in_invite_only_courses

Fixes `enroll_learners_in_courses` endpoint (and
`enroll_subsidy_users_in_courses` utility function) to respect
enterprise customer's `allow_enrollment_in_invite_only_courses` flag.

enterprise/api/v1/views/enterprise_customer.py

@@ -38,6 +38,7 @@
 from enterprise.utils import (
     enroll_subsidy_users_in_courses,
     get_best_mode_from_course_key,
+    get_course_details_from_course_keys,
     track_enrollment,
     validate_email_to_link,
 )
@@ -241,6 +242,8 @@ def enroll_learners_in_courses(self, request, pk):
         for course_run in course_runs_modes:
             course_runs_modes[course_run] = get_best_mode_from_course_key(course_run)
 
+        course_details = get_course_details_from_course_keys(course_runs_modes.keys())
+
         emails = set()
 
         for info in enrollments_info:
@@ -254,6 +257,7 @@ def enroll_learners_in_courses(self, request, pk):
             else:
                 emails.add(info['email'])
             info['course_mode'] = course_runs_modes[info['course_run_key']]
+            info['invitation_only'] = course_details[info['course_run_key']].invitation_only
 
         for email in emails:
             try:

enterprise/utils.py

@@ -58,6 +58,11 @@
     CourseUserGroup = None
     CourseEnrollmentError = None
 
+try:
+    from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
+except ImportError:
+    CourseOverview = None
+
 try:
     from common.djangoapps.course_modes.models import CourseMode
     from common.djangoapps.student.models import CourseEnrollmentAllowed
@@ -2028,6 +2033,7 @@ def enroll_subsidy_users_in_courses(enterprise_customer, subsidy_users_info, dis
         user_id = subsidy_user_info.get('user_id')
         user_email = subsidy_user_info['email'].strip().lower() if 'email' in subsidy_user_info else None
         course_mode = subsidy_user_info.get('course_mode')
+        invitation_only = subsidy_user_info.get('invitation_only')
         course_run_key = subsidy_user_info.get('course_run_key')
         license_uuid = subsidy_user_info.get('license_uuid')
         transaction_id = subsidy_user_info.get('transaction_id')
@@ -2054,6 +2060,12 @@ def enroll_subsidy_users_in_courses(enterprise_customer, subsidy_users_info, dis
                 enrollment_source = enterprise_enrollment_source_model().get_source(
                     enterprise_enrollment_source_model().CUSTOMER_ADMIN
                 )
+                if invitation_only and enterprise_customer.allow_enrollment_in_invite_only_courses:
+                    CourseEnrollmentAllowed.objects.update_or_create(
+                        course_id=course_run_key,
+                        email=user.email,
+                    )
+
                 succeeded, created, source_uuid = customer_admin_enroll_user_with_status(
                     enterprise_customer,
                     user,
@@ -2291,6 +2303,14 @@ def get_best_mode_from_course_key(course_key):
     return CourseModes.AUDIT
 
 
+def get_course_details_from_course_keys(course_keys):
+    """
+    Helper to get a mapping of course keys to course details.
+    """
+    course_overviews = CourseOverview.objects.filter(id__in=course_keys)
+    return {str(course_overview.id): course_overview for course_overview in course_overviews}
+
+
 def parse_lms_api_datetime(datetime_string, datetime_format=LMS_API_DATETIME_FORMAT):
     """
     Parse a received datetime into a timezone-aware, Python datetime object.