Files
edx-platform/openedx/core/djangoapps/credit/tasks.py
2015-05-28 12:28:38 +05:00

56 lines
1.9 KiB
Python

""" This file contains celery tasks for credit course views """
from django.conf import settings
from celery import task
from celery.utils.log import get_task_logger
from opaque_keys import InvalidKeyError
from opaque_keys.edx.keys import CourseKey
from .api import set_credit_requirements
from openedx.core.djangoapps.credit.exceptions import InvalidCreditRequirements
from openedx.core.djangoapps.credit.models import CreditCourse
from xmodule.modulestore.django import modulestore
from xmodule.modulestore.exceptions import ItemNotFoundError
LOGGER = get_task_logger(__name__)
# pylint: disable=not-callable
@task(default_retry_delay=settings.CREDIT_TASK_DEFAULT_RETRY_DELAY, max_retries=settings.CREDIT_TASK_MAX_RETRIES)
def update_course_requirements(course_id):
""" Updates course requirements table for a course.
Args:
course_id(str): A string representation of course identifier
Returns:
None
"""
try:
course_key = CourseKey.from_string(course_id)
is_credit_course = CreditCourse.is_credit_course(course_key)
if is_credit_course:
course = modulestore().get_course(course_key)
requirements = [
{
"namespace": "grade",
"name": "grade",
"criteria": {
"min_grade": get_min_grade_for_credit(course)
}
}
]
set_credit_requirements(course_key, requirements)
except (InvalidKeyError, ItemNotFoundError, InvalidCreditRequirements) as exc:
LOGGER.error('Error on adding the requirements for course %s - %s', course_id, unicode(exc))
raise update_course_requirements.retry(args=[course_id], exc=exc)
else:
LOGGER.info('Requirements added for course %s', course_id)
def get_min_grade_for_credit(course):
""" Returns the min_grade for the credit requirements """
return getattr(course, "min_grade", 0.8)