def check_course_access(course, user, action, check_if_enrolled=False, check_survey_complete=True):
"""
Check that the user has the access to perform the specified action
on the course (CourseDescriptor|CourseOverview).
check_if_enrolled: If true, additionally verifies that the user is enrolled.
check_survey_complete: If true, additionally verifies that the user has completed the survey.
"""
# Allow staff full access to the course even if not enrolled
if has_access(user, 'staff', course.id):
return
request = get_current_request()
check_content_start_date_for_masquerade_user(course.id, user, request, course.start)
access_response = has_access(user, action, course, course.id)
if not access_response:
# Redirect if StartDateError
if isinstance(access_response, StartDateError):
start_date = strftime_localized(course.start, 'SHORT_DATE')
params = QueryDict(mutable=True)
params['notlive'] = start_date
raise CourseAccessRedirect('{dashboard_url}?{params}'.format(
dashboard_url=reverse('dashboard'),
params=params.urlencode()
), access_response)
# Redirect if AuditExpiredError
if isinstance(access_response, AuditExpiredError):
params = QueryDict(mutable=True)
params['access_response_error'] = access_response.additional_context_user_message
raise CourseAccessRedirect('{dashboard_url}?{params}'.format(
dashboard_url=reverse('dashboard'),
params=params.urlencode()
), access_response)
# Redirect if the user must answer a survey before entering the course.
if isinstance(access_response, MilestoneAccessError):
raise CourseAccessRedirect('{dashboard_url}'.format(
dashboard_url=reverse('dashboard'),
), access_response)
# Deliberately return a non-specific error message to avoid
# leaking info about access control settings
raise CoursewareAccessException(access_response)
if check_if_enrolled:
# If the user is not enrolled, redirect them to the about page
if not CourseEnrollment.is_enrolled(user, course.id):
raise CourseAccessRedirect(reverse('about_course', args=[unicode(course.id)]))
# Redirect if the user must answer a survey before entering the course.
if check_survey_complete and action == 'load':
if is_survey_required_and_unanswered(user, course):
raise CourseAccessRedirect(reverse('course_survey', args=[unicode(course.id)]))
def check_course_access(course, user, action, check_if_enrolled=False, check_survey_complete=True):
"""
Check that the user has the access to perform the specified action
on the course (CourseDescriptor|CourseOverview).
check_if_enrolled: If true, additionally verifies that the user is enrolled.
check_survey_complete: If true, additionally verifies that the user has completed the survey.
"""
# Allow staff full access to the course even if not enrolled
if has_access(user, 'staff', course.id):
return
request = get_current_request()
check_content_start_date_for_masquerade_user(course.id, user, request, course.start)
access_response = has_access(user, action, course, course.id)
if not access_response:
# Redirect if StartDateError
if isinstance(access_response, StartDateError):
start_date = strftime_localized(course.start, 'SHORT_DATE')
params = QueryDict(mutable=True)
params['notlive'] = start_date
raise CourseAccessRedirect('{dashboard_url}?{params}'.format(
dashboard_url=reverse('dashboard'),
params=params.urlencode()
), access_response)
# Redirect if AuditExpiredError
if isinstance(access_response, AuditExpiredError):
params = QueryDict(mutable=True)
params['access_response_error'] = access_response.additional_context_user_message
raise CourseAccessRedirect('{dashboard_url}?{params}'.format(
dashboard_url=reverse('dashboard'),
params=params.urlencode()
), access_response)
# Redirect if the user must answer a survey before entering the course.
if isinstance(access_response, MilestoneAccessError):
raise CourseAccessRedirect('{dashboard_url}'.format(
dashboard_url=reverse('dashboard'),
), access_response)
# Deliberately return a non-specific error message to avoid
# leaking info about access control settings
raise CoursewareAccessException(access_response)
if check_if_enrolled:
# If the user is not enrolled, redirect them to the about page
if not CourseEnrollment.is_enrolled(user, course.id):
raise CourseAccessRedirect(reverse('about_course', args=[unicode(course.id)]))
# Redirect if the user must answer a survey before entering the course.
if check_survey_complete and action == 'load':
if is_survey_required_and_unanswered(user, course):
raise CourseAccessRedirect(reverse('course_survey', args=[unicode(course.id)]))
