Files
edx-platform/lms/djangoapps/gating/signals.py
2016-11-30 10:15:07 -05:00

29 lines
1.0 KiB
Python

"""
Signal handlers for the gating djangoapp
"""
from django.dispatch import receiver
from gating import api as gating_api
from lms.djangoapps.grades.signals.signals import PROBLEM_WEIGHTED_SCORE_CHANGED
from opaque_keys.edx.keys import CourseKey, UsageKey
from xmodule.modulestore.django import modulestore
@receiver(PROBLEM_WEIGHTED_SCORE_CHANGED)
def handle_score_changed(**kwargs):
"""
Receives the PROBLEM_WEIGHTED_SCORE_CHANGED signal sent by LMS when a student's score has changed
for a given component and triggers the evaluation of any milestone relationships
which are attached to the updated content.
Arguments:
kwargs (dict): Contains user ID, course key, and content usage key
Returns:
None
"""
course = modulestore().get_course(CourseKey.from_string(kwargs.get('course_id')))
block = modulestore().get_item(UsageKey.from_string(kwargs.get('usage_id')))
gating_api.evaluate_prerequisite(course, block, kwargs.get('user_id'))
gating_api.evaluate_entrance_exam(course, block, kwargs.get('user_id'))