Files
edx-platform/lms/djangoapps/badges/events/course_meta.py
2017-06-11 21:48:06 -04:00

82 lines
2.9 KiB
Python

"""
Events which have to do with a user doing something with more than one course, such
as enrolling in a certain number, completing a certain number, or completing a specific set of courses.
"""
from badges.models import BadgeClass, CourseEventBadgesConfiguration
from badges.utils import requires_badges_enabled
def award_badge(config, count, user):
"""
Given one of the configurations for enrollments or completions, award
the appropriate badge if one is configured.
config is a dictionary with integer keys and course keys as values.
count is the key to retrieve from this dictionary.
user is the user to award the badge to.
Example config:
{3: 'slug_for_badge_for_three_enrollments', 5: 'slug_for_badge_with_five_enrollments'}
"""
slug = config.get(count)
if not slug:
return
badge_class = BadgeClass.get_badge_class(
slug=slug, issuing_component='openedx__course', create=False,
)
if not badge_class:
return
if not badge_class.get_for_user(user):
badge_class.award(user)
def award_enrollment_badge(user):
"""
Awards badges based on the number of courses a user is enrolled in.
"""
config = CourseEventBadgesConfiguration.current().enrolled_settings
enrollments = user.courseenrollment_set.filter(is_active=True).count()
award_badge(config, enrollments, user)
@requires_badges_enabled
def completion_check(user):
"""
Awards badges based upon the number of courses a user has 'completed'.
Courses are never truly complete, but they can be closed.
For this reason we use checks on certificates to find out if a user has
completed courses. This badge will not work if certificate generation isn't
enabled and run.
"""
from certificates.models import CertificateStatuses
config = CourseEventBadgesConfiguration.current().completed_settings
certificates = user.generatedcertificate_set.filter(status__in=CertificateStatuses.PASSED_STATUSES).count()
award_badge(config, certificates, user)
@requires_badges_enabled
def course_group_check(user, course_key):
"""
Awards a badge if a user has completed every course in a defined set.
"""
from certificates.models import CertificateStatuses
config = CourseEventBadgesConfiguration.current().course_group_settings
awards = []
for slug, keys in config.items():
if course_key in keys:
certs = user.generatedcertificate_set.filter(
status__in=CertificateStatuses.PASSED_STATUSES,
course_id__in=keys,
)
if len(certs) == len(keys):
awards.append(slug)
for slug in awards:
badge_class = BadgeClass.get_badge_class(
slug=slug, issuing_component='openedx__course', create=False,
)
if badge_class and not badge_class.get_for_user(user):
badge_class.award(user)