def task_course_notifications():
log.info('Getting courses')
courses = get_visible_courses()
while courses:
log.info('Pop first course')
course = courses[-1]
# we're interested only in dates
log.info('Getting course start date')
course_start_date = course.start.date()
log.info('Today date')
date_now = datetime.now(utc).date()
log.info('Setting up email context')
context = {
'course_name': course.display_name,
'course_url': get_course_link(course_id=course.id)
}
# send email when 7 days left to course start
if course_start_date - timedelta(days=7) == date_now:
send_course_notification_email(course=course,
template_name=MandrillClient.COURSE_EARLY_WELCOME_TEMPLATE,
context=context)
# send email when 2 days left to course start
elif course_start_date - timedelta(days=2) == date_now:
send_course_notification_email(course=course,
template_name=MandrillClient.COURSE_START_REMINDER_TEMPLATE,
context=context)
# send email the day the course starts
elif course_start_date == date_now:
send_course_notification_email(course=course,
template_name=MandrillClient.COURSE_WELCOME_TEMPLATE,
context={'course_name': course.display_name,
'course_url': get_course_first_chapter_link(course)
}
)
log.info('CELERY-TASK: date_now: %s, course_start_date: %s',
date_now,
course_start_date,
)
if course.end:
log.info('CELERY-TASK: course_end_date: %s', course.end.date())
log.info("Finishing celery task")
courses.pop()
def get_courses(user, org=None, filter_=None):
"""
Return a LazySequence of courses available, optionally filtered by org code (case-insensitive).
"""
courses = branding.get_visible_courses(
org=org,
filter_=filter_,
).prefetch_related('modes', ).select_related('image_set')
permission_name = configuration_helpers.get_value(
'COURSE_CATALOG_VISIBILITY_PERMISSION',
settings.COURSE_CATALOG_VISIBILITY_PERMISSION)
return LazySequence(
(c for c in courses if has_access(user, permission_name, c)),
est_len=courses.count())
def get_courses(user, org=None, filter_=None, permissions=None):
"""
Return a LazySequence of courses available, optionally filtered by org code
(case-insensitive) or a set of permissions to be satisfied for the specified
user.
"""
courses = branding.get_visible_courses(
org=org,
filter_=filter_,
).prefetch_related('modes', ).select_related('image_set')
permissions = set(permissions or '')
permission_name = configuration_helpers.get_value(
'COURSE_CATALOG_VISIBILITY_PERMISSION',
settings.COURSE_CATALOG_VISIBILITY_PERMISSION)
permissions.add(permission_name)
return LazySequence(
(c
for c in courses if all(has_access(user, p, c) for p in permissions)),
est_len=courses.count())