Files
edx-platform/common/djangoapps/student/management/commands/change_enrollment.py
2021-03-24 17:55:04 +05:00

158 lines
6.4 KiB
Python

""" Command line script to change user enrollments. """
import logging
from django.core.management.base import BaseCommand, CommandError
from django.db import transaction
from opaque_keys import InvalidKeyError
from opaque_keys.edx.keys import CourseKey
from openedx.core.djangoapps.credit.email_utils import get_credit_provider_attribute_values
from common.djangoapps.student.models import CourseEnrollment, CourseEnrollmentAttribute, User
logger = logging.getLogger(__name__) # pylint: disable=invalid-name
class RollbackException(Exception):
"""
Exception raised explicitly to cause a database transaction rollback.
"""
pass # lint-amnesty, pylint: disable=unnecessary-pass
class Command(BaseCommand): # lint-amnesty, pylint: disable=missing-class-docstring
help = """
Changes the enrollment status for students that meet
the criteria specified by the parameters to this command.
Example:
Change enrollment for users joe, frank, and bill from audit to honor:
$ ... change_enrollment -u joe,frank,bill -c some/course/id --from audit --to honor
Or
$ ... change_enrollment -e "joe@example.com,frank@example.com,..." -c some/course/id --from audit --to honor
See what would have been changed from audit to honor without making that change
$ ... change_enrollment -u joe,frank,bill -c some/course/id --from audit --to honor -n
"""
enrollment_modes = ('audit', 'verified', 'honor', 'credit')
def add_arguments(self, parser):
parser.add_argument('-f', '--from',
metavar='FROM_MODE',
dest='from_mode',
required=True,
choices=self.enrollment_modes,
help='Move from this enrollment mode')
parser.add_argument('-t', '--to',
metavar='TO_MODE',
dest='to_mode',
required=True,
choices=self.enrollment_modes,
help='Move to this enrollment mode')
parser.add_argument('-u', '--username',
metavar='USERNAME',
help='Comma-separated list of usernames to move in the course')
parser.add_argument('-e', '--email',
metavar='EMAIL',
help='Comma-separated list of email addresses to move in the course')
parser.add_argument('-c', '--course',
metavar='COURSE_ID',
dest='course_id',
required=True,
help='Course id to use for transfer')
parser.add_argument('-n', '--noop',
action='store_true',
help='Display what will be done but do not actually do anything')
def handle(self, *args, **options):
try:
course_key = CourseKey.from_string(options['course_id'])
except InvalidKeyError:
raise CommandError('Invalid or non-existant course id {}'.format(options['course_id'])) # lint-amnesty, pylint: disable=raise-missing-from
if not options['username'] and not options['email']:
raise CommandError('You must include usernames (-u) or emails (-e) to select users to update')
enrollment_args = dict(
course_id=course_key,
mode=options['from_mode']
)
error_users = []
success_users = []
if options['username']:
self.update_enrollments('username', enrollment_args, options, error_users, success_users)
if options['email']:
self.update_enrollments('email', enrollment_args, options, error_users, success_users)
self.report(error_users, success_users)
def update_enrollments(self, identifier, enrollment_args, options, error_users, success_users, enrollment_attrs=None): # lint-amnesty, pylint: disable=line-too-long
""" Update enrollments for a specific user identifier (email or username). """
users = options[identifier].split(",")
credit_provider_attr = {}
if options['to_mode'] == 'credit':
provider_ids = get_credit_provider_attribute_values(
enrollment_args.get('course_id'), 'id'
)
credit_provider_attr = {
'namespace': 'credit',
'name': 'provider_id',
'value': provider_ids[0],
}
for identified_user in users:
logger.info(identified_user)
try:
user_args = {
identifier: identified_user
}
enrollment_args['user'] = User.objects.get(**user_args)
enrollments = CourseEnrollment.objects.filter(**enrollment_args)
enrollment_attrs = []
with transaction.atomic():
for enrollment in enrollments:
enrollment.update_enrollment(mode=options['to_mode'])
enrollment.save()
if options['to_mode'] == 'credit':
enrollment_attrs.append(credit_provider_attr)
CourseEnrollmentAttribute.add_enrollment_attr(
enrollment=enrollment, data_list=enrollment_attrs
)
if options['noop']:
raise RollbackException('Forced rollback.')
except RollbackException:
success_users.append(identified_user)
continue
except Exception as exception: # pylint: disable=broad-except
error_users.append((identified_user, exception))
continue
success_users.append(identified_user)
logger.info('Updated user [%s] to mode [%s]', identified_user, options['to_mode'])
def report(self, error_users, success_users):
""" Log and overview of the results of the command. """
total_users = len(success_users) + len(error_users)
logger.info('Successfully updated %i out of %i users', len(success_users), total_users)
if len(error_users) > 0:
logger.info('The following %i user(s) not saved:', len(error_users))
for user, error in error_users:
logger.info('user: [%s] reason: [%s] %s', user, type(error).__name__, str(error))