Merge pull request #16048 from edx/sstudent/EDUCATOR-1288

Sstudent/educator 1288

common/djangoapps/student/models.py

@@ -52,6 +52,7 @@ from certificates.models import GeneratedCertificate
 from course_modes.models import CourseMode
 from courseware.models import DynamicUpgradeDeadlineConfiguration, CourseDynamicUpgradeDeadlineConfiguration
 from enrollment.api import _default_course_mode
+
 from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
 from openedx.core.djangoapps.schedules.models import ScheduleConfig
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
@@ -62,6 +63,8 @@ from util.milestones_helpers import is_entrance_exams_enabled
 from util.model_utils import emit_field_changed_events, get_changed_fields_dict
 from util.query import use_read_replica_if_available
 
+from .signals.signals import ENROLLMENT_TRACK_UPDATED
+
 UNENROLL_DONE = Signal(providing_args=["course_enrollment", "skip_refund"])
 ENROLL_STATUS_CHANGE = Signal(providing_args=["event", "user", "course_id", "mode", "cost", "currency"])
 REFUND_ORDER = Signal(providing_args=["course_enrollment"])
@@ -1191,6 +1194,7 @@ class CourseEnrollment(models.Model):
             # Only emit mode change events when the user's enrollment
             # mode has changed from its previous setting
             self.emit_event(EVENT_NAME_ENROLLMENT_MODE_CHANGED)
+            ENROLLMENT_TRACK_UPDATED.send(sender=None, user=self.user, course_key=self.course_id)
 
     def send_signal(self, event, cost=None, currency=None):
         """

common/djangoapps/student/signals/signals.py

@@ -0,0 +1,6 @@
+"""
+Enrollment track related signals.
+"""
+from django.dispatch import Signal
+
+ENROLLMENT_TRACK_UPDATED = Signal(providing_args=['user', 'course_key'])