def unenroll(self, user):
"""
Un-enroll user from the related course.
Args:
user (User): User object
"""
enrollment = CourseEnrollment.objects.filter(
user=user, course=self.course).first()
if not enrollment:
return
certificate_info = cert_info(user, enrollment.course_overview)
if certificate_info.get('status') in DISABLE_UNENROLL_CERT_STATES:
exception_msg = (
f'Cannot un-enroll user: {user} from course: {enrollment.course_overview.display_name_with_default}'
)
logger.exception(exception_msg)
raise Exception(exception_msg)
CourseEnrollment.unenroll(user, self.course)
def student_dashboard(request):
"""
Provides the LMS dashboard view
TODO: This is lms specific and does not belong in common code.
Note:
To load the all courses set course_limit=None as parameter in GET. If its not None then default course
limit will be used that is set in configuration
Arguments:
request: The request object.
Returns:
The dashboard response.
"""
user = request.user
#Added by Mahendra
if request.is_ajax():
if request.method == 'GET' :
if user.is_authenticated:
if request.GET.get('disclaimer'):
log.info(u'disclaimer %s', request.GET.get('disclaimer'))
usr = request.user.id
cid = request.GET.get('cid')
disclaimer = disclaimer_agreement_status(course_id=cid, user_id=usr, status='1')
disclaimer.save()
else:
usr = request.user.id
cid = request.GET.get('cid')
view_counter = user_view_counter.objects.filter(course_id=cid, user=usr)
if view_counter :
update_counter = user_view_counter.objects.filter(
course_id=cid,
user=usr
).update(counter = F('counter')+1)
else:
countr = user_view_counter(user_id=usr, course_id=cid,counter=1)
countr.save()
if not UserProfile.objects.filter(user=user).exists():
return redirect(reverse('account_settings'))
platform_name = configuration_helpers.get_value("platform_name", settings.PLATFORM_NAME)
enable_verified_certificates = configuration_helpers.get_value(
'ENABLE_VERIFIED_CERTIFICATES',
settings.FEATURES.get('ENABLE_VERIFIED_CERTIFICATES')
)
display_course_modes_on_dashboard = configuration_helpers.get_value(
'DISPLAY_COURSE_MODES_ON_DASHBOARD',
settings.FEATURES.get('DISPLAY_COURSE_MODES_ON_DASHBOARD', True)
)
activation_email_support_link = configuration_helpers.get_value(
'ACTIVATION_EMAIL_SUPPORT_LINK', settings.ACTIVATION_EMAIL_SUPPORT_LINK
) or settings.SUPPORT_SITE_LINK
hide_dashboard_courses_until_activated = configuration_helpers.get_value(
'HIDE_DASHBOARD_COURSES_UNTIL_ACTIVATED',
settings.FEATURES.get('HIDE_DASHBOARD_COURSES_UNTIL_ACTIVATED', False)
)
empty_dashboard_message = configuration_helpers.get_value(
'EMPTY_DASHBOARD_MESSAGE', None
)
disable_course_limit = request and 'course_limit' in request.GET
course_limit = get_dashboard_course_limit() if not disable_course_limit else None
# Get the org whitelist or the org blacklist for the current site
site_org_whitelist, site_org_blacklist = get_org_black_and_whitelist_for_site()
course_enrollments = list(get_course_enrollments(user, site_org_whitelist, site_org_blacklist, course_limit))
#Added by dev below code to display enrolled courses in course start date order
from lms.djangoapps.course_extrainfo.models import course_extrainfo
new_enrollments = []
#log.info('course_enrollments--> %s', course_enrollments)
for enrollment in course_enrollments:
new_enrollments.append(enrollment.course_overview.id)
get_type_courses = course_extrainfo.objects.filter(course_id__in=new_enrollments,course_type=1)
course_ids = []
for course in get_type_courses:
course_ids.append(course.course_id)
courseslist = CourseOverview.objects.filter(pk__in=course_ids).order_by('-start')
get_type_lectures = course_extrainfo.objects.filter(course_id__in=new_enrollments,course_type=2)
lecture_ids = []
for lecture in get_type_lectures:
lecture_ids.append(lecture.course_id)
lectureslist = CourseOverview.objects.filter(pk__in=lecture_ids).order_by('-start')
#code ends here
# Get the entitlements for the user and a mapping to all available sessions for that entitlement
# If an entitlement has no available sessions, pass through a mock course overview object
(course_entitlements,
course_entitlement_available_sessions,
unfulfilled_entitlement_pseudo_sessions) = get_filtered_course_entitlements(
user,
site_org_whitelist,
site_org_blacklist
)
# Record how many courses there are so that we can get a better
# understanding of usage patterns on prod.
monitoring_utils.accumulate('num_courses', len(course_enrollments))
# Sort the enrollment pairs by the enrollment date
course_enrollments.sort(key=lambda x: x.created, reverse=True)
# Retrieve the course modes for each course
enrolled_course_ids = [enrollment.course_id for enrollment in course_enrollments]
__, unexpired_course_modes = CourseMode.all_and_unexpired_modes_for_courses(enrolled_course_ids)
course_modes_by_course = {
course_id: {
mode.slug: mode
for mode in modes
}
for course_id, modes in iteritems(unexpired_course_modes)
}
# Check to see if the student has recently enrolled in a course.
# If so, display a notification message confirming the enrollment.
enrollment_message = _create_recent_enrollment_message(
course_enrollments, course_modes_by_course
)
course_optouts = Optout.objects.filter(user=user).values_list('course_id', flat=True)
# Display activation message
activate_account_message = ''
if not user.is_active:
activate_account_message = Text(_(
"Check your {email_start}{email}{email_end} inbox for an account activation link from {platform_name}. "
"If you need help, contact {link_start}{platform_name} Support{link_end}."
)).format(
platform_name=platform_name,
email_start=HTML("<strong>"),
email_end=HTML("</strong>"),
email=user.email,
link_start=HTML("<a target='_blank' href='{activation_email_support_link}'>").format(
activation_email_support_link=activation_email_support_link,
),
link_end=HTML("</a>"),
)
enterprise_message = get_dashboard_consent_notification(request, user, course_enrollments)
# Display a message guiding the user to their Enterprise's Learner Portal if enabled
enterprise_learner_portal_enabled_message = get_enterprise_learner_portal_enabled_message(request)
recovery_email_message = recovery_email_activation_message = None
if is_secondary_email_feature_enabled():
try:
pending_email = PendingSecondaryEmailChange.objects.get(user=user)
except PendingSecondaryEmailChange.DoesNotExist:
try:
account_recovery_obj = AccountRecovery.objects.get(user=user)
except AccountRecovery.DoesNotExist:
recovery_email_message = Text(
_(
"Add a recovery email to retain access when single-sign on is not available. "
"Go to {link_start}your Account Settings{link_end}.")
).format(
link_start=HTML("<a href='{account_setting_page}'>").format(
account_setting_page=reverse('account_settings'),
),
link_end=HTML("</a>")
)
else:
recovery_email_activation_message = Text(
_(
"Recovery email is not activated yet. "
"Kindly visit your email and follow the instructions to activate it."
)
)
# Disable lookup of Enterprise consent_required_course due to ENT-727
# Will re-enable after fixing WL-1315
consent_required_courses = set()
enterprise_customer_name = None
# Account activation message
account_activation_messages = [
message for message in messages.get_messages(request) if 'account-activation' in message.tags
]
# Global staff can see what courses encountered an error on their dashboard
staff_access = False
errored_courses = {}
if has_access(user, 'staff', 'global'):
# Show any courses that encountered an error on load
staff_access = True
errored_courses = modulestore().get_errored_courses()
show_courseware_links_for = {
enrollment.course_id: has_access(request.user, 'load', enrollment.course_overview)
for enrollment in course_enrollments
}
# Find programs associated with course runs being displayed. This information
# is passed in the template context to allow rendering of program-related
# information on the dashboard.
meter = ProgramProgressMeter(request.site, user, enrollments=course_enrollments)
ecommerce_service = EcommerceService()
inverted_programs = meter.invert_programs()
urls, programs_data = {}, {}
bundles_on_dashboard_flag = WaffleFlag(experiments_namespace, u'bundles_on_dashboard', __name__)
# TODO: Delete this code and the relevant HTML code after testing LEARNER-3072 is complete
if bundles_on_dashboard_flag.is_enabled() and inverted_programs and list(inverted_programs.items()):
if len(course_enrollments) < 4:
for program in inverted_programs.values():
try:
program_uuid = program[0]['uuid']
program_data = get_programs(uuid=program_uuid)
program_data = ProgramDataExtender(program_data, request.user).extend()
skus = program_data.get('skus')
checkout_page_url = ecommerce_service.get_checkout_page_url(*skus)
program_data['completeProgramURL'] = checkout_page_url + '&bundle=' + program_data.get('uuid')
programs_data[program_uuid] = program_data
except: # pylint: disable=bare-except
pass
# Construct a dictionary of course mode information
# used to render the course list. We re-use the course modes dict
# we loaded earlier to avoid hitting the database.
course_mode_info = {
enrollment.course_id: complete_course_mode_info(
enrollment.course_id, enrollment,
modes=course_modes_by_course[enrollment.course_id]
)
for enrollment in course_enrollments
}
# Determine the per-course verification status
# This is a dictionary in which the keys are course locators
# and the values are one of:
#
# VERIFY_STATUS_NEED_TO_VERIFY
# VERIFY_STATUS_SUBMITTED
# VERIFY_STATUS_APPROVED
# VERIFY_STATUS_MISSED_DEADLINE
#
# Each of which correspond to a particular message to display
# next to the course on the dashboard.
#
# If a course is not included in this dictionary,
# there is no verification messaging to display.
verify_status_by_course = check_verify_status_by_course(user, course_enrollments)
cert_statuses = {
enrollment.course_id: cert_info(request.user, enrollment.course_overview)
for enrollment in course_enrollments
}
# only show email settings for Mongo course and when bulk email is turned on
show_email_settings_for = frozenset(
enrollment.course_id for enrollment in course_enrollments if (
is_bulk_email_feature_enabled(enrollment.course_id)
)
)
# Verification Attempts
# Used to generate the "you must reverify for course x" banner
verification_status = IDVerificationService.user_status(user)
verification_errors = get_verification_error_reasons_for_display(verification_status['error'])
# Gets data for midcourse reverifications, if any are necessary or have failed
statuses = ["approved", "denied", "pending", "must_reverify"]
reverifications = reverification_info(statuses)
enrolled_courses_either_paid = frozenset(
enrollment.course_id for enrollment in course_enrollments
if enrollment.is_paid_course()
)
# If there are *any* denied reverifications that have not been toggled off,
# we'll display the banner
denied_banner = any(item.display for item in reverifications["denied"])
# get list of courses having pre-requisites yet to be completed
courses_having_prerequisites = frozenset(
enrollment.course_id for enrollment in course_enrollments
if enrollment.course_overview.pre_requisite_courses
)
courses_requirements_not_met = get_pre_requisite_courses_not_completed(user, courses_having_prerequisites)
site_domain = request.site
if 'notlive' in request.GET:
if 'viatris' in str(site_domain):
redirect_message = _("The webinar you are looking for does not start until {date}.").format(
date=request.GET['notlive']
)
else:
redirect_message = _("The course you are looking for does not start until {date}.").format(
date=request.GET['notlive']
)
elif 'course_closed' in request.GET:
redirect_message = _("The course you are looking for is closed for enrollment as of {date}.").format(
date=request.GET['course_closed']
)
elif 'access_response_error' in request.GET:
# This can be populated in a generalized way with fields from access response errors
redirect_message = request.GET['access_response_error']
else:
redirect_message = ''
valid_verification_statuses = ['approved', 'must_reverify', 'pending', 'expired']
display_sidebar_on_dashboard = verification_status['status'] in valid_verification_statuses and \
verification_status['should_display']
# Filter out any course enrollment course cards that are associated with fulfilled entitlements
for entitlement in [e for e in course_entitlements if e.enrollment_course_run is not None]:
course_enrollments = [
enr for enr in course_enrollments if entitlement.enrollment_course_run.course_id != enr.course_id
]
context = {
'urls': urls,
'programs_data': programs_data,
'enterprise_message': enterprise_message,
'consent_required_courses': consent_required_courses,
'enterprise_customer_name': enterprise_customer_name,
'enrollment_message': enrollment_message,
'redirect_message': Text(redirect_message),
'account_activation_messages': account_activation_messages,
'activate_account_message': activate_account_message,
'course_enrollments': course_enrollments,
'course_entitlements': course_entitlements,
'course_entitlement_available_sessions': course_entitlement_available_sessions,
'unfulfilled_entitlement_pseudo_sessions': unfulfilled_entitlement_pseudo_sessions,
'course_optouts': course_optouts,
'staff_access': staff_access,
'errored_courses': errored_courses,
'show_courseware_links_for': show_courseware_links_for,
'all_course_modes': course_mode_info,
'cert_statuses': cert_statuses,
'credit_statuses': _credit_statuses(user, course_enrollments),
'show_email_settings_for': show_email_settings_for,
'reverifications': reverifications,
'verification_display': verification_status['should_display'],
'verification_status': verification_status['status'],
'verification_expiry': verification_status['verification_expiry'],
'verification_status_by_course': verify_status_by_course,
'verification_errors': verification_errors,
'denied_banner': denied_banner,
'billing_email': settings.PAYMENT_SUPPORT_EMAIL,
'user': user,
'logout_url': reverse('logout'),
'platform_name': platform_name,
'enrolled_courses_either_paid': enrolled_courses_either_paid,
'provider_states': [],
'courses_requirements_not_met': courses_requirements_not_met,
'nav_hidden': True,
'inverted_programs': inverted_programs,
'show_program_listing': ProgramsApiConfig.is_enabled(),
'show_dashboard_tabs': True,
'disable_courseware_js': True,
'display_course_modes_on_dashboard': enable_verified_certificates and display_course_modes_on_dashboard,
'display_sidebar_on_dashboard': display_sidebar_on_dashboard,
'display_sidebar_account_activation_message': not(user.is_active or hide_dashboard_courses_until_activated),
'display_dashboard_courses': (user.is_active or not hide_dashboard_courses_until_activated),
'empty_dashboard_message': empty_dashboard_message,
'recovery_email_message': recovery_email_message,
'recovery_email_activation_message': recovery_email_activation_message,
'enterprise_learner_portal_enabled_message': enterprise_learner_portal_enabled_message,
'show_load_all_courses_link': show_load_all_courses_link(user, course_limit, course_enrollments),
# TODO START: clean up as part of REVEM-199 (START)
'course_info': get_dashboard_course_info(user, course_enrollments),
# TODO START: clean up as part of REVEM-199 (END)
#added by dev
'courseslist':courseslist,
'lectureslist':lectureslist,
}
context_from_plugins = get_plugins_view_context(
ProjectType.LMS,
COURSE_DASHBOARD_PLUGIN_VIEW_NAME,
context
)
context.update(context_from_plugins)
course = None
context.update(
get_experiment_user_metadata_context(
course,
user,
)
)
if ecommerce_service.is_enabled(request.user):
context.update({
'use_ecommerce_payment_flow': True,
'ecommerce_payment_page': ecommerce_service.payment_page_url(),
})
# Gather urls for course card resume buttons.
resume_button_urls = ['' for entitlement in course_entitlements]
for url in get_resume_urls_for_enrollments(user, course_enrollments).values():
resume_button_urls.append(url)
# There must be enough urls for dashboard.html. Template creates course
# cards for "enrollments + entitlements".
context.update({
'resume_button_urls': resume_button_urls
})
return render_to_response('dashboard.html', context)
def change_enrollment(request, check_access=True):
"""
Modify the enrollment status for the logged-in user.
TODO: This is lms specific and does not belong in common code.
The request parameter must be a POST request (other methods return 405)
that specifies course_id and enrollment_action parameters. If course_id or
enrollment_action is not specified, if course_id is not valid, if
enrollment_action is something other than "enroll" or "unenroll", if
enrollment_action is "enroll" and enrollment is closed for the course, or
if enrollment_action is "unenroll" and the user is not enrolled in the
course, a 400 error will be returned. If the user is not logged in, 403
will be returned; it is important that only this case return 403 so the
front end can redirect the user to a registration or login page when this
happens. This function should only be called from an AJAX request, so
the error messages in the responses should never actually be user-visible.
Args:
request (`Request`): The Django request object
Keyword Args:
check_access (boolean): If True, we check that an accessible course actually
exists for the given course_key before we enroll the student.
The default is set to False to avoid breaking legacy code or
code with non-standard flows (ex. beta tester invitations), but
for any standard enrollment flow you probably want this to be True.
Returns:
Response
"""
# Get the user
user = request.user
# Ensure the user is authenticated
if not user.is_authenticated:
return HttpResponseForbidden()
# Ensure we received a course_id
action = request.POST.get("enrollment_action")
if 'course_id' not in request.POST:
return HttpResponseBadRequest(_("Course id not specified"))
try:
course_id = CourseKey.from_string(request.POST.get("course_id"))
except InvalidKeyError:
log.warning(
"User %s tried to %s with invalid course id: %s",
user.username,
action,
request.POST.get("course_id"),
)
return HttpResponseBadRequest(_("Invalid course id"))
# Allow us to monitor performance of this transaction on a per-course basis since we often roll-out features
# on a per-course basis.
monitoring_utils.set_custom_attribute('course_id', str(course_id))
if action == "enroll":
# Make sure the course exists
# We don't do this check on unenroll, or a bad course id can't be unenrolled from
if not modulestore().has_course(course_id):
log.warning(
"User %s tried to enroll in non-existent course %s",
user.username,
course_id
)
return HttpResponseBadRequest(_("Course id is invalid"))
# Record the user's email opt-in preference
if settings.FEATURES.get('ENABLE_MKTG_EMAIL_OPT_IN'):
_update_email_opt_in(request, course_id.org)
available_modes = CourseMode.modes_for_course_dict(course_id)
# Check whether the user is blocked from enrolling in this course
# This can occur if the user's IP is on a global blacklist
# or if the user is enrolling in a country in which the course
# is not available.
redirect_url = embargo_api.redirect_if_blocked(
course_id, user=user, ip_address=get_client_ip(request)[0],
url=request.path
)
if redirect_url:
return HttpResponse(redirect_url)
if CourseEntitlement.check_for_existing_entitlement_and_enroll(user=user, course_run_key=course_id):
return HttpResponse(reverse('courseware', args=[str(course_id)]))
# Check that auto enrollment is allowed for this course
# (= the course is NOT behind a paywall)
if CourseMode.can_auto_enroll(course_id):
# Enroll the user using the default mode (audit)
# We're assuming that users of the course enrollment table
# will NOT try to look up the course enrollment model
# by its slug. If they do, it's possible (based on the state of the database)
# for no such model to exist, even though we've set the enrollment type
# to "audit".
try:
enroll_mode = CourseMode.auto_enroll_mode(course_id, available_modes)
if enroll_mode:
CourseEnrollment.enroll(user, course_id, check_access=check_access, mode=enroll_mode)
except Exception: # pylint: disable=broad-except
return HttpResponseBadRequest(_("Could not enroll"))
# If we have more than one course mode or professional ed is enabled,
# then send the user to the choose your track page.
# (In the case of no-id-professional/professional ed, this will redirect to a page that
# funnels users directly into the verification / payment flow)
if CourseMode.has_verified_mode(available_modes) or CourseMode.has_professional_mode(available_modes):
return HttpResponse(
reverse("course_modes_choose", kwargs={'course_id': str(course_id)})
)
# Otherwise, there is only one mode available (the default)
return HttpResponse()
elif action == "unenroll":
enrollment = CourseEnrollment.get_enrollment(user, course_id)
if not enrollment:
return HttpResponseBadRequest(_("You are not enrolled in this course"))
certificate_info = cert_info(user, enrollment.course_overview)
if certificate_info.get('status') in DISABLE_UNENROLL_CERT_STATES:
return HttpResponseBadRequest(_("Your certificate prevents you from unenrolling from this course"))
CourseEnrollment.unenroll(user, course_id)
REFUND_ORDER.send(sender=None, course_enrollment=enrollment)
return HttpResponse()
else:
return HttpResponseBadRequest(_("Enrollment action is invalid"))
