58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
"""
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Utility methods for the entitlement application.
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"""
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import logging
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from django.utils import timezone
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from course_modes.models import CourseMode
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from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
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log = logging.getLogger("common.entitlements.utils")
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def is_course_run_entitlement_fulfillable(course_run_key, entitlement, compare_date=timezone.now()):
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"""
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Checks that the current run meets the following criteria for an entitlement
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1) Is currently running or start in the future
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2) A User can enroll in
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3) A User can upgrade to the entitlement mode
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Arguments:
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course_run_key (CourseKey): The id of the Course run that is being checked.
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entitlement: The Entitlement that we are checking against.
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compare_date: The date and time that we are comparing against. Defaults to timezone.now()
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Returns:
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bool: True if the Course Run is fullfillable for the CourseEntitlement.
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"""
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try:
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course_overview = CourseOverview.get_from_id(course_run_key)
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except CourseOverview.DoesNotExist:
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log.error(('There is no CourseOverview entry available for {course_run_id}, '
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'course run cannot be applied to entitlement').format(
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course_run_id=str(course_run_key)
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))
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return False
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# Verify that the course is still running
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run_start = course_overview.start
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run_end = course_overview.end
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is_running = run_start and (not run_end or (run_end and (run_end > compare_date)))
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# Verify that the course run can currently be enrolled
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enrollment_start = course_overview.enrollment_start
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enrollment_end = course_overview.enrollment_end
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can_enroll = (
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(not enrollment_start or enrollment_start < compare_date)
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and (not enrollment_end or enrollment_end > compare_date)
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)
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# Ensure the course run is upgradeable and the mode matches the entitlement's mode
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unexpired_paid_modes = [mode.slug for mode in CourseMode.paid_modes_for_course(course_run_key)]
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can_upgrade = unexpired_paid_modes and entitlement.mode in unexpired_paid_modes
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return is_running and can_upgrade and can_enroll
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