58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
"""
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Signal handlers for the gating djangoapp
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"""
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from completion.models import BlockCompletion
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from django.db import models
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from django.dispatch import receiver
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from lms.djangoapps.gating import api as gating_api
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from lms.djangoapps.gating.tasks import task_evaluate_subsection_completion_milestones
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from lms.djangoapps.grades.api import signals as grades_signals
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from openedx.core.djangoapps.signals.signals import COURSE_GRADE_CHANGED
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@receiver(grades_signals.SUBSECTION_SCORE_CHANGED)
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def evaluate_subsection_gated_milestones(**kwargs):
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"""
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Receives the SUBSECTION_SCORE_CHANGED signal and triggers the
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evaluation of any milestone relationships which are attached
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to the subsection.
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Arguments:
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kwargs (dict): Contains user, course, course_structure, subsection_grade
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Returns:
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None
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"""
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subsection_grade = kwargs['subsection_grade']
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gating_api.evaluate_prerequisite(kwargs['course'], subsection_grade, kwargs.get('user'))
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@receiver(models.signals.post_save, sender=BlockCompletion)
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def evaluate_subsection_completion_milestones(**kwargs):
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"""
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Receives the BlockCompletion signal and triggers the
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evaluation of any milestone which can be completed.
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"""
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instance = kwargs['instance']
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course_id = str(instance.context_key)
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if not instance.context_key.is_course:
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return # Content in a library or some other thing that doesn't support milestones
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block_id = str(instance.block_key)
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user_id = instance.user_id
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task_evaluate_subsection_completion_milestones.delay(course_id, block_id, user_id)
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@receiver(COURSE_GRADE_CHANGED)
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def evaluate_course_gated_milestones(**kwargs):
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"""
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Receives the COURSE_GRADE_CHANGED signal and triggers the
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evaluation of any milestone relationships which are attached
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to the course grade.
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Arguments:
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kwargs (dict): Contains user, course_grade
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Returns:
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None
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"""
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gating_api.evaluate_entrance_exam(kwargs['course_grade'], kwargs.get('user'))
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