def check_start_date(user,
days_early_for_beta,
start,
course_key,
display_error_to_user=True,
now=None):
"""
Verifies whether the given user is allowed access given the
start date and the Beta offset for the given course.
Arguments:
display_error_to_user: If True, display this error to users in the UI.
Returns:
AccessResponse: Either ACCESS_GRANTED or StartDateError.
"""
start_dates_disabled = settings.FEATURES['DISABLE_START_DATES']
masquerading_as_student = is_masquerading_as_student(user, course_key)
if start_dates_disabled and not masquerading_as_student:
return ACCESS_GRANTED
else:
if start is None or in_preview_mode() or get_course_masquerade(
user, course_key):
return ACCESS_GRANTED
if now is None:
now = datetime.now(UTC)
effective_start = adjust_start_date(user, days_early_for_beta, start,
course_key)
if now > effective_start:
return ACCESS_GRANTED
return StartDateError(start,
display_error_to_user=display_error_to_user)
def test_courseware_access(self, api_version):
self.login()
course_with_prereq = CourseFactory.create(start=self.LAST_WEEK, mobile_available=True)
prerequisite_course = CourseFactory.create()
set_prerequisite_courses(course_with_prereq.id, [str(prerequisite_course.id)])
# Create list of courses with various expected courseware_access responses and corresponding expected codes
courses = [
course_with_prereq,
CourseFactory.create(start=self.NEXT_WEEK, mobile_available=True),
CourseFactory.create(visible_to_staff_only=True, mobile_available=True),
CourseFactory.create(start=self.LAST_WEEK, mobile_available=True, visible_to_staff_only=False),
]
expected_error_codes = [
MilestoneAccessError().error_code, # 'unfulfilled_milestones'
StartDateError(self.NEXT_WEEK).error_code, # 'course_not_started'
VisibilityError().error_code, # 'not_visible_to_user'
None,
]
# Enroll in all the courses
for course in courses:
self.enroll(course.id)
# Verify courses have the correct response through error code. Last enrolled course is first course in response
response = self.api_response(api_version=api_version)
for course_index in range(len(courses)):
result = response.data[course_index]['course']['courseware_access']
assert result['error_code'] == expected_error_codes[::(- 1)][course_index]
if result['error_code'] is not None:
assert not result['has_access']
def test_unreleased_course(self):
# ensure the course always starts in the future
self.course = CourseFactory.create(
mobile_available=True, static_asset_path="needed_for_split")
self.course.start = timezone.now() + datetime.timedelta(days=365)
self.init_course_access()
self._verify_response(self.ALLOW_ACCESS_TO_UNRELEASED_COURSE,
StartDateError(self.course.start))