def redirect_if_blocked(course_run_ids,
user=None,
ip_address=None,
url=None):
"""
Return redirect to embargo error page if the given user is blocked.
"""
for course_run_id in course_run_ids:
redirect_url = embargo_api.redirect_if_blocked(
CourseKey.from_string(course_run_id),
user=user,
ip_address=ip_address,
url=url)
if redirect_url:
return redirect_url
def get(self,
request,
course_id,
always_show_payment=False,
current_step=None,
message=FIRST_TIME_VERIFY_MSG):
"""
Render the payment and verification flow.
Arguments:
request (HttpRequest): The request object.
course_id (unicode): The ID of the course the user is trying
to enroll in.
Keyword Arguments:
always_show_payment (bool): If True, show the payment steps
even if the user has already paid. This is useful
for users returning to the flow after paying.
current_step (string): The current step in the flow.
message (string): The messaging to display.
Returns:
HttpResponse
Raises:
Http404: The course does not exist or does not
have a verified mode.
"""
# Parse the course key
# The URL regex should guarantee that the key format is valid.
course_key = CourseKey.from_string(course_id)
course = modulestore().get_course(course_key)
# Verify that the course exists
if course is None:
log.warn(u"Could not find course with ID %s.", course_id)
raise Http404
# Check whether the user has access to this course
# based on country access rules.
redirect_url = embargo_api.redirect_if_blocked(
course_key,
user=request.user,
ip_address=get_ip(request),
url=request.path)
if redirect_url:
return redirect(redirect_url)
# If the verification deadline has passed
# then show the user a message that he/she can't verify.
#
# We're making the assumptions (enforced in Django admin) that:
#
# 1) Only verified modes have verification deadlines.
#
# 2) If set, verification deadlines are always AFTER upgrade deadlines, because why would you
# let someone upgrade into a verified track if they can't complete verification?
#
verification_deadline = VerificationDeadline.deadline_for_course(
course.id)
response = self._response_if_deadline_passed(
course, self.VERIFICATION_DEADLINE, verification_deadline)
if response is not None:
log.info(u"Verification deadline for '%s' has passed.", course.id)
return response
# Retrieve the relevant course mode for the payment/verification flow.
#
# WARNING: this is technical debt! A much better way to do this would be to
# separate out the payment flow and use the product SKU to figure out what
# the user is trying to purchase.
#
# Nonetheless, for the time being we continue to make the really ugly assumption
# that at some point there was a paid course mode we can query for the price.
relevant_course_mode = self._get_paid_mode(course_key)
# If we can find a relevant course mode, then log that we're entering the flow
# Otherwise, this course does not support payment/verification, so respond with a 404.
if relevant_course_mode is not None:
if CourseMode.is_verified_mode(relevant_course_mode):
log.info(
u"Entering payment and verification flow for user '%s', course '%s', with current step '%s'.",
request.user.id, course_id, current_step)
else:
log.info(
u"Entering payment flow for user '%s', course '%s', with current step '%s'",
request.user.id, course_id, current_step)
else:
# Otherwise, there has never been a verified/paid mode,
# so return a page not found response.
log.warn(
u"No paid/verified course mode found for course '%s' for verification/payment flow request",
course_id)
raise Http404
# If the user is trying to *pay* and the upgrade deadline has passed,
# then they shouldn't be able to enter the flow.
#
# NOTE: This should match the availability dates used by the E-Commerce service
# to determine whether a user can purchase a product. The idea is that if the service
# won't fulfill the order, we shouldn't even let the user get into the payment flow.
#
user_is_trying_to_pay = message in [
self.FIRST_TIME_VERIFY_MSG, self.UPGRADE_MSG
]
if user_is_trying_to_pay:
upgrade_deadline = relevant_course_mode.expiration_datetime
response = self._response_if_deadline_passed(
course, self.UPGRADE_DEADLINE, upgrade_deadline)
if response is not None:
log.info(u"Upgrade deadline for '%s' has passed.", course.id)
return response
# Check whether the user has verified, paid, and enrolled.
# A user is considered "paid" if he or she has an enrollment
# with a paid course mode (such as "verified").
# For this reason, every paid user is enrolled, but not
# every enrolled user is paid.
# If the course mode is not verified(i.e only paid) then already_verified is always True
already_verified = (self._check_already_verified(
request.user) if CourseMode.is_verified_mode(relevant_course_mode)
else True)
already_paid, is_enrolled = self._check_enrollment(
request.user, course_key)
# Redirect the user to a more appropriate page if the
# messaging won't make sense based on the user's
# enrollment / payment / verification status.
sku_to_use = relevant_course_mode.sku
purchase_workflow = request.GET.get('purchase_workflow', 'single')
if purchase_workflow == 'bulk' and relevant_course_mode.bulk_sku:
sku_to_use = relevant_course_mode.bulk_sku
redirect_response = self._redirect_if_necessary(
message, already_verified, already_paid, is_enrolled, course_key,
user_is_trying_to_pay, request.user, sku_to_use)
if redirect_response is not None:
return redirect_response
display_steps = self._display_steps(always_show_payment,
already_verified, already_paid,
relevant_course_mode)
# Override the actual value if account activation has been disabled
# Also see the reference to this parameter in context dictionary further down
user_is_active = self._get_user_active_status(request.user)
requirements = self._requirements(display_steps, user_is_active)
if current_step is None:
current_step = display_steps[0]['name']
# Allow the caller to skip the first page
# This is useful if we want the user to be able to
# use the "back" button to return to the previous step.
# This parameter should only work for known skip-able steps
if request.GET.get(
'skip-first-step') and current_step in self.SKIP_STEPS:
display_step_names = [step['name'] for step in display_steps]
current_step_idx = display_step_names.index(current_step)
if (current_step_idx + 1) < len(display_steps):
current_step = display_steps[current_step_idx + 1]['name']
courseware_url = ""
if not course.start or course.start < datetime.datetime.today(
).replace(tzinfo=UTC):
courseware_url = reverse('course_root',
kwargs={'course_id': unicode(course_key)})
full_name = (request.user.profile.name
if request.user.profile.name else "")
# If the user set a contribution amount on another page,
# use that amount to pre-fill the price selection form.
contribution_amount = request.session.get('donation_for_course',
{}).get(
unicode(course_key), '')
# Remember whether the user is upgrading
# so we can fire an analytics event upon payment.
request.session['attempting_upgrade'] = (message == self.UPGRADE_MSG)
# Determine the photo verification status
verification_good_until = self._verification_valid_until(request.user)
# get available payment processors
if relevant_course_mode.sku:
# transaction will be conducted via ecommerce service
processors = ecommerce_api_client(
request.user).payment.processors.get()
else:
# transaction will be conducted using legacy shopping cart
processors = [settings.CC_PROCESSOR_NAME]
# Render the top-level page
context = {
'contribution_amount':
contribution_amount,
'course':
course,
'course_key':
unicode(course_key),
'checkpoint_location':
request.GET.get('checkpoint'),
'course_mode':
relevant_course_mode,
'courseware_url':
courseware_url,
'current_step':
current_step,
'disable_courseware_js':
True,
'display_steps':
display_steps,
'is_active':
json.dumps(user_is_active),
'user_email':
request.user.email,
'message_key':
message,
'platform_name':
configuration_helpers.get_value('PLATFORM_NAME',
settings.PLATFORM_NAME),
'processors':
processors,
'requirements':
requirements,
'user_full_name':
full_name,
'verification_deadline':
verification_deadline or "",
'already_verified':
already_verified,
'verification_good_until':
verification_good_until,
'capture_sound':
staticfiles_storage.url("audio/camera_capture.wav"),
'nav_hidden':
True,
'is_ab_testing':
'begin-flow' in request.path,
}
return render_to_response("verify_student/pay_and_verify.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(
u"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_metric('course_id', text_type(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(u"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_ip(request), 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=[six.text_type(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': text_type(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"))
def get(self, request, course_id, error=None):
"""Displays the course mode choice page.
Args:
request (`Request`): The Django Request object.
course_id (unicode): The slash-separated course key.
Keyword Args:
error (unicode): If provided, display this error message
on the page.
Returns:
Response
"""
course_key = CourseKey.from_string(course_id)
# Check whether the user has access to this course
# based on country access rules.
embargo_redirect = embargo_api.redirect_if_blocked(
course_key,
user=request.user,
ip_address=get_ip(request),
url=request.path
)
if embargo_redirect:
return redirect(embargo_redirect)
enrollment_mode, is_active = CourseEnrollment.enrollment_mode_for_user(request.user, course_key)
modes = CourseMode.modes_for_course_dict(course_key)
ecommerce_service = EcommerceService()
# We assume that, if 'professional' is one of the modes, it should be the *only* mode.
# If there are both modes, default to non-id-professional.
has_enrolled_professional = (CourseMode.is_professional_slug(enrollment_mode) and is_active)
if CourseMode.has_professional_mode(modes) and not has_enrolled_professional:
purchase_workflow = request.GET.get("purchase_workflow", "single")
verify_url = reverse('verify_student_start_flow', kwargs={'course_id': unicode(course_key)})
redirect_url = "{url}?purchase_workflow={workflow}".format(url=verify_url, workflow=purchase_workflow)
if ecommerce_service.is_enabled(request.user):
professional_mode = modes.get(CourseMode.NO_ID_PROFESSIONAL_MODE) or modes.get(CourseMode.PROFESSIONAL)
if purchase_workflow == "single" and professional_mode.sku:
redirect_url = ecommerce_service.get_checkout_page_url(professional_mode.sku)
if purchase_workflow == "bulk" and professional_mode.bulk_sku:
redirect_url = ecommerce_service.get_checkout_page_url(professional_mode.bulk_sku)
return redirect(redirect_url)
course = modulestore().get_course(course_key)
# If there isn't a verified mode available, then there's nothing
# to do on this page. Send the user to the dashboard.
if not CourseMode.has_verified_mode(modes):
return redirect(reverse('dashboard'))
# If a user has already paid, redirect them to the dashboard.
if is_active and (enrollment_mode in CourseMode.VERIFIED_MODES + [CourseMode.NO_ID_PROFESSIONAL_MODE]):
# If the course has started redirect to course home instead
if course.has_started():
return redirect(reverse('openedx.course_experience.course_home', kwargs={'course_id': course_key}))
return redirect(reverse('dashboard'))
donation_for_course = request.session.get("donation_for_course", {})
chosen_price = donation_for_course.get(unicode(course_key), None)
if CourseEnrollment.is_enrollment_closed(request.user, course):
locale = to_locale(get_language())
enrollment_end_date = format_datetime(course.enrollment_end, 'short', locale=locale)
params = urllib.urlencode({'course_closed': enrollment_end_date})
return redirect('{0}?{1}'.format(reverse('dashboard'), params))
# When a credit mode is available, students will be given the option
# to upgrade from a verified mode to a credit mode at the end of the course.
# This allows students who have completed photo verification to be eligible
# for univerity credit.
# Since credit isn't one of the selectable options on the track selection page,
# we need to check *all* available course modes in order to determine whether
# a credit mode is available. If so, then we show slightly different messaging
# for the verified track.
has_credit_upsell = any(
CourseMode.is_credit_mode(mode) for mode
in CourseMode.modes_for_course(course_key, only_selectable=False)
)
course_id = text_type(course_key)
context = {
"course_modes_choose_url": reverse(
"course_modes_choose",
kwargs={'course_id': course_id}
),
"modes": modes,
"has_credit_upsell": has_credit_upsell,
"course_name": course.display_name_with_default,
"course_org": course.display_org_with_default,
"course_num": course.display_number_with_default,
"chosen_price": chosen_price,
"error": error,
"responsive": True,
"nav_hidden": True,
"content_gating_enabled": ContentTypeGatingConfig.enabled_for_enrollment(
user=request.user,
course_key=course_key
),
"course_duration_limit_enabled": CourseDurationLimitConfig.enabled_for_enrollment(
user=request.user,
course_key=course_key
),
}
context.update(
get_experiment_user_metadata_context(
course,
request.user,
)
)
title_content = _("Congratulations! You are now enrolled in {course_name}").format(
course_name=course.display_name_with_default
)
context["title_content"] = title_content
if "verified" in modes:
verified_mode = modes["verified"]
context["suggested_prices"] = [
decimal.Decimal(x.strip())
for x in verified_mode.suggested_prices.split(",")
if x.strip()
]
context["currency"] = verified_mode.currency.upper()
context["min_price"] = verified_mode.min_price
context["verified_name"] = verified_mode.name
context["verified_description"] = verified_mode.description
if verified_mode.sku:
context["use_ecommerce_payment_flow"] = ecommerce_service.is_enabled(request.user)
context["ecommerce_payment_page"] = ecommerce_service.payment_page_url()
context["sku"] = verified_mode.sku
context["bulk_sku"] = verified_mode.bulk_sku
context['currency_data'] = []
if waffle.switch_is_active('local_currency'):
if 'edx-price-l10n' not in request.COOKIES:
currency_data = get_currency_data()
try:
context['currency_data'] = json.dumps(currency_data)
except TypeError:
pass
return render_to_response("course_modes/choose.html", context)
def get(self, request, course_id, error=None): # lint-amnesty, pylint: disable=too-many-statements
"""Displays the course mode choice page.
Args:
request (`Request`): The Django Request object.
course_id (unicode): The slash-separated course key.
Keyword Args:
error (unicode): If provided, display this error message
on the page.
Returns:
Response
"""
course_key = CourseKey.from_string(course_id)
# Check whether the user has access to this course
# based on country access rules.
embargo_redirect = embargo_api.redirect_if_blocked(
course_key,
user=request.user,
ip_address=get_client_ip(request)[0],
url=request.path)
if embargo_redirect:
return redirect(embargo_redirect)
enrollment_mode, is_active = CourseEnrollment.enrollment_mode_for_user(
request.user, course_key)
increment('track-selection.{}.{}'.format(
enrollment_mode, 'active' if is_active else 'inactive'))
increment('track-selection.views')
if enrollment_mode is None:
LOG.info(
'Rendering track selection for unenrolled user, referred by %s',
request.META.get('HTTP_REFERER'))
modes = CourseMode.modes_for_course_dict(course_key)
ecommerce_service = EcommerceService()
# We assume that, if 'professional' is one of the modes, it should be the *only* mode.
# If there are both modes, default to 'no-id-professional'.
has_enrolled_professional = (
CourseMode.is_professional_slug(enrollment_mode) and is_active)
if CourseMode.has_professional_mode(
modes) and not has_enrolled_professional:
purchase_workflow = request.GET.get("purchase_workflow", "single")
redirect_url = IDVerificationService.get_verify_location(
course_id=course_key)
if ecommerce_service.is_enabled(request.user):
professional_mode = modes.get(
CourseMode.NO_ID_PROFESSIONAL_MODE) or modes.get(
CourseMode.PROFESSIONAL)
if purchase_workflow == "single" and professional_mode.sku:
redirect_url = ecommerce_service.get_checkout_page_url(
professional_mode.sku)
if purchase_workflow == "bulk" and professional_mode.bulk_sku:
redirect_url = ecommerce_service.get_checkout_page_url(
professional_mode.bulk_sku)
return redirect(redirect_url)
course = modulestore().get_course(course_key)
# If there isn't a verified mode available, then there's nothing
# to do on this page. Send the user to the dashboard.
if not CourseMode.has_verified_mode(modes):
return self._redirect_to_course_or_dashboard(
course, course_key, request.user)
# If a user has already paid, redirect them to the dashboard.
if is_active and (enrollment_mode in CourseMode.VERIFIED_MODES +
[CourseMode.NO_ID_PROFESSIONAL_MODE]):
return self._redirect_to_course_or_dashboard(
course, course_key, request.user)
donation_for_course = request.session.get("donation_for_course", {})
chosen_price = donation_for_course.get(str(course_key), None)
if CourseEnrollment.is_enrollment_closed(request.user, course):
locale = to_locale(get_language())
enrollment_end_date = format_datetime(course.enrollment_end,
'short',
locale=locale)
params = six.moves.urllib.parse.urlencode(
{'course_closed': enrollment_end_date})
return redirect('{}?{}'.format(reverse('dashboard'), params))
# When a credit mode is available, students will be given the option
# to upgrade from a verified mode to a credit mode at the end of the course.
# This allows students who have completed photo verification to be eligible
# for university credit.
# Since credit isn't one of the selectable options on the track selection page,
# we need to check *all* available course modes in order to determine whether
# a credit mode is available. If so, then we show slightly different messaging
# for the verified track.
has_credit_upsell = any(
CourseMode.is_credit_mode(mode)
for mode in CourseMode.modes_for_course(course_key,
only_selectable=False))
course_id = str(course_key)
gated_content = ContentTypeGatingConfig.enabled_for_enrollment(
user=request.user, course_key=course_key)
context = {
"course_modes_choose_url":
reverse("course_modes_choose", kwargs={'course_id': course_id}),
"modes":
modes,
"has_credit_upsell":
has_credit_upsell,
"course_name":
course.display_name_with_default,
"course_org":
course.display_org_with_default,
"course_num":
course.display_number_with_default,
"chosen_price":
chosen_price,
"error":
error,
"responsive":
True,
"nav_hidden":
True,
"content_gating_enabled":
gated_content,
"course_duration_limit_enabled":
CourseDurationLimitConfig.enabled_for_enrollment(
request.user, course),
}
context.update(
get_experiment_user_metadata_context(
course,
request.user,
))
title_content = ''
if enrollment_mode:
title_content = _(
"Congratulations! You are now enrolled in {course_name}"
).format(course_name=course.display_name_with_default)
context["title_content"] = title_content
if "verified" in modes:
verified_mode = modes["verified"]
context["suggested_prices"] = [
decimal.Decimal(x.strip())
for x in verified_mode.suggested_prices.split(",")
if x.strip()
]
price_before_discount = verified_mode.min_price
course_price = price_before_discount
enterprise_customer = enterprise_customer_for_request(request)
LOG.info(
'[e-commerce calculate API] Going to hit the API for user [%s] linked to [%s] enterprise',
request.user.username,
enterprise_customer.get('name') if isinstance(
enterprise_customer, dict) else None # Test Purpose
)
if enterprise_customer and verified_mode.sku:
course_price = get_course_final_price(request.user,
verified_mode.sku,
price_before_discount)
context["currency"] = verified_mode.currency.upper()
context["currency_symbol"] = get_currency_symbol(
verified_mode.currency.upper())
context["min_price"] = course_price
context["verified_name"] = verified_mode.name
context["verified_description"] = verified_mode.description
# if course_price is equal to price_before_discount then user doesn't entitle to any discount.
if course_price != price_before_discount:
context["price_before_discount"] = price_before_discount
if verified_mode.sku:
context[
"use_ecommerce_payment_flow"] = ecommerce_service.is_enabled(
request.user)
context[
"ecommerce_payment_page"] = ecommerce_service.payment_page_url(
)
context["sku"] = verified_mode.sku
context["bulk_sku"] = verified_mode.bulk_sku
context['currency_data'] = []
if waffle.switch_is_active('local_currency'):
if 'edx-price-l10n' not in request.COOKIES:
currency_data = get_currency_data()
try:
context['currency_data'] = json.dumps(currency_data)
except TypeError:
pass
language = get_language()
context['track_links'] = get_verified_track_links(language)
duration = get_user_course_duration(request.user, course)
deadline = duration and get_user_course_expiration_date(
request.user, course)
if deadline:
formatted_audit_access_date = strftime_localized_html(
deadline, 'SHORT_DATE')
context['audit_access_deadline'] = formatted_audit_access_date
fbe_is_on = deadline and gated_content
# Route to correct Track Selection page.
# REV-2133 TODO Value Prop: remove waffle flag after testing is completed
# and happy path version is ready to be rolled out to all users.
if VALUE_PROP_TRACK_SELECTION_FLAG.is_enabled():
if not error: # TODO: Remove by executing REV-2355
if not enterprise_customer_for_request(
request): # TODO: Remove by executing REV-2342
if fbe_is_on:
return render_to_response("course_modes/fbe.html",
context)
else:
return render_to_response("course_modes/unfbe.html",
context)
# If error or enterprise_customer, failover to old choose.html page
return render_to_response("course_modes/choose.html", context)
def get(self, request, course_id, error=None):
"""Displays the course mode choice page.
Args:
request (`Request`): The Django Request object.
course_id (unicode): The slash-separated course key.
Keyword Args:
error (unicode): If provided, display this error message
on the page.
Returns:
Response
"""
course_key = CourseKey.from_string(course_id)
# Check whether the user has access to this course
# based on country access rules.
embargo_redirect = embargo_api.redirect_if_blocked(
course_key,
user=request.user,
ip_address=get_ip(request),
url=request.path)
if embargo_redirect:
return redirect(embargo_redirect)
enrollment_mode, is_active = CourseEnrollment.enrollment_mode_for_user(
request.user, course_key)
modes = CourseMode.modes_for_course_dict(course_key)
ecommerce_service = EcommerceService()
# We assume that, if 'professional' is one of the modes, it should be the *only* mode.
# If there are both modes, default to non-id-professional.
has_enrolled_professional = (
CourseMode.is_professional_slug(enrollment_mode) and is_active)
if CourseMode.has_professional_mode(
modes) and not has_enrolled_professional:
purchase_workflow = request.GET.get("purchase_workflow", "single")
verify_url = reverse('verify_student_start_flow',
kwargs={'course_id': unicode(course_key)})
redirect_url = "{url}?purchase_workflow={workflow}".format(
url=verify_url, workflow=purchase_workflow)
if ecommerce_service.is_enabled(request.user):
professional_mode = modes.get(
CourseMode.NO_ID_PROFESSIONAL_MODE) or modes.get(
CourseMode.PROFESSIONAL)
if purchase_workflow == "single" and professional_mode.sku:
redirect_url = ecommerce_service.checkout_page_url(
professional_mode.sku)
if purchase_workflow == "bulk" and professional_mode.bulk_sku:
redirect_url = ecommerce_service.checkout_page_url(
professional_mode.bulk_sku)
return redirect(redirect_url)
# If there isn't a verified mode available, then there's nothing
# to do on this page. Send the user to the dashboard.
if not CourseMode.has_verified_mode(modes):
return redirect(reverse('dashboard'))
# If a user has already paid, redirect them to the dashboard.
if is_active and (enrollment_mode in CourseMode.VERIFIED_MODES +
[CourseMode.NO_ID_PROFESSIONAL_MODE]):
return redirect(reverse('dashboard'))
donation_for_course = request.session.get("donation_for_course", {})
chosen_price = donation_for_course.get(unicode(course_key), None)
course = modulestore().get_course(course_key)
if CourseEnrollment.is_enrollment_closed(request.user, course):
locale = to_locale(get_language())
enrollment_end_date = format_datetime(course.enrollment_end,
'short',
locale=locale)
params = urllib.urlencode({'course_closed': enrollment_end_date})
return redirect('{0}?{1}'.format(reverse('dashboard'), params))
# When a credit mode is available, students will be given the option
# to upgrade from a verified mode to a credit mode at the end of the course.
# This allows students who have completed photo verification to be eligible
# for univerity credit.
# Since credit isn't one of the selectable options on the track selection page,
# we need to check *all* available course modes in order to determine whether
# a credit mode is available. If so, then we show slightly different messaging
# for the verified track.
has_credit_upsell = any(
CourseMode.is_credit_mode(mode)
for mode in CourseMode.modes_for_course(course_key,
only_selectable=False))
course_id = course_key.to_deprecated_string()
context = {
"course_modes_choose_url":
reverse("course_modes_choose", kwargs={'course_id': course_id}),
"modes":
modes,
"has_credit_upsell":
has_credit_upsell,
"course_name":
course.display_name_with_default_escaped,
"course_org":
course.display_org_with_default,
"course_num":
course.display_number_with_default,
"chosen_price":
chosen_price,
"error":
error,
"responsive":
True,
"nav_hidden":
True,
}
title_content = _(
"Congratulations! You are now enrolled in {course_name}").format(
course_name=course.display_name_with_default_escaped)
enterprise_learner_data = enterprise_api.get_enterprise_learner_data(
site=request.site, user=request.user)
if enterprise_learner_data:
is_course_in_enterprise_catalog = enterprise_api.is_course_in_enterprise_catalog(
site=request.site,
course_id=course_id,
enterprise_catalog_id=enterprise_learner_data[0]
['enterprise_customer']['catalog'])
if is_course_in_enterprise_catalog:
partner_names = partner_name = course.display_organization \
if course.display_organization else course.org
enterprise_name = enterprise_learner_data[0][
'enterprise_customer']['name']
organizations = organization_api.get_course_organizations(
course_id=course.id)
if organizations:
partner_names = ' and '.join([
org.get('name', partner_name) for org in organizations
])
title_content = _(
"Welcome, {username}! You are about to enroll in {course_name},"
" from {partner_names}, sponsored by {enterprise_name}. Please select your enrollment"
" information below.").format(
username=request.user.username,
course_name=course.display_name_with_default_escaped,
partner_names=partner_names,
enterprise_name=enterprise_name)
context["title_content"] = title_content
if "verified" in modes:
verified_mode = modes["verified"]
context["suggested_prices"] = [
decimal.Decimal(x.strip())
for x in verified_mode.suggested_prices.split(",")
if x.strip()
]
context["currency"] = verified_mode.currency.upper()
context["min_price"] = verified_mode.min_price
context["verified_name"] = verified_mode.name
context["verified_description"] = verified_mode.description
if verified_mode.sku:
context[
"use_ecommerce_payment_flow"] = ecommerce_service.is_enabled(
request.user)
context[
"ecommerce_payment_page"] = ecommerce_service.payment_page_url(
)
context["sku"] = verified_mode.sku
context["bulk_sku"] = verified_mode.bulk_sku
return render_to_response("course_modes/choose.html", context)
def register_code_redemption(request, registration_code):
"""
This view allows the student to redeem the registration code
and enroll in the course.
"""
# Add some rate limiting here by re-using the RateLimitMixin as a helper class
site_name = configuration_helpers.get_value('SITE_NAME', settings.SITE_NAME)
limiter = BadRequestRateLimiter()
if limiter.is_rate_limit_exceeded(request):
AUDIT_LOG.warning("Rate limit exceeded in registration code redemption.")
return HttpResponseForbidden()
template_to_render = 'shoppingcart/registration_code_redemption.html'
if request.method == "GET":
reg_code_is_valid, reg_code_already_redeemed, course_registration = get_reg_code_validity(registration_code,
request, limiter)
course = get_course_by_id(course_registration.course_id, depth=0)
# Restrict the user from enrolling based on country access rules
embargo_redirect = embargo_api.redirect_if_blocked(
course.id, user=request.user, ip_address=get_ip(request),
url=request.path
)
if embargo_redirect is not None:
return redirect(embargo_redirect)
context = {
'reg_code_already_redeemed': reg_code_already_redeemed,
'reg_code_is_valid': reg_code_is_valid,
'reg_code': registration_code,
'site_name': site_name,
'course': course,
'registered_for_course': not _is_enrollment_code_an_update(course, request.user, course_registration)
}
return render_to_response(template_to_render, context)
elif request.method == "POST":
reg_code_is_valid, reg_code_already_redeemed, course_registration = get_reg_code_validity(
registration_code,
request,
limiter
)
course = get_course_by_id(course_registration.course_id, depth=0)
# Restrict the user from enrolling based on country access rules
embargo_redirect = embargo_api.redirect_if_blocked(
course.id, user=request.user, ip_address=get_ip(request),
url=request.path
)
if embargo_redirect is not None:
return redirect(embargo_redirect)
context = {
'reg_code': registration_code,
'site_name': site_name,
'course': course,
'reg_code_is_valid': reg_code_is_valid,
'reg_code_already_redeemed': reg_code_already_redeemed,
}
if reg_code_is_valid and not reg_code_already_redeemed:
# remove the course from the cart if it was added there.
cart = Order.get_cart_for_user(request.user)
try:
cart_items = cart.find_item_by_course_id(course_registration.course_id)
except ItemNotFoundInCartException:
pass
else:
for cart_item in cart_items:
if isinstance(cart_item, PaidCourseRegistration) or isinstance(cart_item, CourseRegCodeItem):
# Reload the item directly to prevent select_subclasses() hackery from interfering with
# deletion of all objects in the model inheritance hierarchy
cart_item = cart_item.__class__.objects.get(id=cart_item.id)
cart_item.delete()
#now redeem the reg code.
redemption = RegistrationCodeRedemption.create_invoice_generated_registration_redemption(course_registration, request.user)
try:
kwargs = {}
if course_registration.mode_slug is not None:
if CourseMode.mode_for_course(course.id, course_registration.mode_slug):
kwargs['mode'] = course_registration.mode_slug
else:
raise RedemptionCodeError()
redemption.course_enrollment = CourseEnrollment.enroll(request.user, course.id, **kwargs)
redemption.save()
context['redemption_success'] = True
except RedemptionCodeError:
context['redeem_code_error'] = True
context['redemption_success'] = False
except EnrollmentClosedError:
context['enrollment_closed'] = True
context['redemption_success'] = False
except CourseFullError:
context['course_full'] = True
context['redemption_success'] = False
except AlreadyEnrolledError:
context['registered_for_course'] = True
context['redemption_success'] = False
else:
context['redemption_success'] = False
return render_to_response(template_to_render, context)
def register_code_redemption(request, registration_code):
"""
This view allows the student to redeem the registration code
and enroll in the course.
"""
# Add some rate limiting here by re-using the RateLimitMixin as a helper class
site_name = configuration_helpers.get_value('SITE_NAME', settings.SITE_NAME)
limiter = BadRequestRateLimiter()
if limiter.is_rate_limit_exceeded(request):
AUDIT_LOG.warning("Rate limit exceeded in registration code redemption.")
return HttpResponseForbidden()
template_to_render = 'shoppingcart/registration_code_redemption.html'
if request.method == "GET":
reg_code_is_valid, reg_code_already_redeemed, course_registration = get_reg_code_validity(registration_code,
request, limiter)
course = get_course_by_id(course_registration.course_id, depth=0)
# Restrict the user from enrolling based on country access rules
embargo_redirect = embargo_api.redirect_if_blocked(
course.id, user=request.user, ip_address=get_ip(request),
url=request.path
)
if embargo_redirect is not None:
return redirect(embargo_redirect)
context = {
'reg_code_already_redeemed': reg_code_already_redeemed,
'reg_code_is_valid': reg_code_is_valid,
'reg_code': registration_code,
'site_name': site_name,
'course': course,
'registered_for_course': not _is_enrollment_code_an_update(course, request.user, course_registration)
}
return render_to_response(template_to_render, context)
elif request.method == "POST":
reg_code_is_valid, reg_code_already_redeemed, course_registration = get_reg_code_validity(
registration_code,
request,
limiter
)
course = get_course_by_id(course_registration.course_id, depth=0)
# Restrict the user from enrolling based on country access rules
embargo_redirect = embargo_api.redirect_if_blocked(
course.id, user=request.user, ip_address=get_ip(request),
url=request.path
)
if embargo_redirect is not None:
return redirect(embargo_redirect)
context = {
'reg_code': registration_code,
'site_name': site_name,
'course': course,
'reg_code_is_valid': reg_code_is_valid,
'reg_code_already_redeemed': reg_code_already_redeemed,
}
if reg_code_is_valid and not reg_code_already_redeemed:
# remove the course from the cart if it was added there.
cart = Order.get_cart_for_user(request.user)
try:
cart_items = cart.find_item_by_course_id(course_registration.course_id)
except ItemNotFoundInCartException:
pass
else:
for cart_item in cart_items:
if isinstance(cart_item, PaidCourseRegistration) or isinstance(cart_item, CourseRegCodeItem):
# Reload the item directly to prevent select_subclasses() hackery from interfering with
# deletion of all objects in the model inheritance hierarchy
cart_item = cart_item.__class__.objects.get(id=cart_item.id)
cart_item.delete()
#now redeem the reg code.
redemption = RegistrationCodeRedemption.create_invoice_generated_registration_redemption(course_registration, request.user)
try:
kwargs = {}
if course_registration.mode_slug is not None:
if CourseMode.mode_for_course(course.id, course_registration.mode_slug):
kwargs['mode'] = course_registration.mode_slug
else:
raise RedemptionCodeError()
redemption.course_enrollment = CourseEnrollment.enroll(request.user, course.id, **kwargs)
redemption.save()
context['redemption_success'] = True
except RedemptionCodeError:
context['redeem_code_error'] = True
context['redemption_success'] = False
except EnrollmentClosedError:
context['enrollment_closed'] = True
context['redemption_success'] = False
except CourseFullError:
context['course_full'] = True
context['redemption_success'] = False
except AlreadyEnrolledError:
context['registered_for_course'] = True
context['redemption_success'] = False
else:
context['redemption_success'] = False
return render_to_response(template_to_render, context)
def get(
self, request, course_id,
always_show_payment=False,
current_step=None,
message=FIRST_TIME_VERIFY_MSG
):
"""
Render the payment and verification flow.
Arguments:
request (HttpRequest): The request object.
course_id (unicode): The ID of the course the user is trying
to enroll in.
Keyword Arguments:
always_show_payment (bool): If True, show the payment steps
even if the user has already paid. This is useful
for users returning to the flow after paying.
current_step (string): The current step in the flow.
message (string): The messaging to display.
Returns:
HttpResponse
Raises:
Http404: The course does not exist or does not
have a verified mode.
"""
# Parse the course key
# The URL regex should guarantee that the key format is valid.
course_key = CourseKey.from_string(course_id)
course = modulestore().get_course(course_key)
# Verify that the course exists
if course is None:
log.warn(u"Could not find course with ID %s.", course_id)
raise Http404
# Check whether the user has access to this course
# based on country access rules.
redirect_url = embargo_api.redirect_if_blocked(
course_key,
user=request.user,
ip_address=get_ip(request),
url=request.path
)
if redirect_url:
return redirect(redirect_url)
# If the verification deadline has passed
# then show the user a message that he/she can't verify.
#
# We're making the assumptions (enforced in Django admin) that:
#
# 1) Only verified modes have verification deadlines.
#
# 2) If set, verification deadlines are always AFTER upgrade deadlines, because why would you
# let someone upgrade into a verified track if they can't complete verification?
#
verification_deadline = VerificationDeadline.deadline_for_course(course.id)
response = self._response_if_deadline_passed(course, self.VERIFICATION_DEADLINE, verification_deadline)
if response is not None:
log.info(u"Verification deadline for '%s' has passed.", course.id)
return response
# Retrieve the relevant course mode for the payment/verification flow.
#
# WARNING: this is technical debt! A much better way to do this would be to
# separate out the payment flow and use the product SKU to figure out what
# the user is trying to purchase.
#
# Nonetheless, for the time being we continue to make the really ugly assumption
# that at some point there was a paid course mode we can query for the price.
relevant_course_mode = self._get_paid_mode(course_key)
# If we can find a relevant course mode, then log that we're entering the flow
# Otherwise, this course does not support payment/verification, so respond with a 404.
if relevant_course_mode is not None:
if CourseMode.is_verified_mode(relevant_course_mode):
log.info(
u"Entering payment and verification flow for user '%s', course '%s', with current step '%s'.",
request.user.id, course_id, current_step
)
else:
log.info(
u"Entering payment flow for user '%s', course '%s', with current step '%s'",
request.user.id, course_id, current_step
)
else:
# Otherwise, there has never been a verified/paid mode,
# so return a page not found response.
log.warn(
u"No paid/verified course mode found for course '%s' for verification/payment flow request",
course_id
)
raise Http404
# If the user is trying to *pay* and the upgrade deadline has passed,
# then they shouldn't be able to enter the flow.
#
# NOTE: This should match the availability dates used by the E-Commerce service
# to determine whether a user can purchase a product. The idea is that if the service
# won't fulfill the order, we shouldn't even let the user get into the payment flow.
#
user_is_trying_to_pay = message in [self.FIRST_TIME_VERIFY_MSG, self.UPGRADE_MSG]
if user_is_trying_to_pay:
upgrade_deadline = relevant_course_mode.expiration_datetime
response = self._response_if_deadline_passed(course, self.UPGRADE_DEADLINE, upgrade_deadline)
if response is not None:
log.info(u"Upgrade deadline for '%s' has passed.", course.id)
return response
# Check whether the user has verified, paid, and enrolled.
# A user is considered "paid" if he or she has an enrollment
# with a paid course mode (such as "verified").
# For this reason, every paid user is enrolled, but not
# every enrolled user is paid.
# If the course mode is not verified(i.e only paid) then already_verified is always True
already_verified = (
self._check_already_verified(request.user)
if CourseMode.is_verified_mode(relevant_course_mode)
else True
)
already_paid, is_enrolled = self._check_enrollment(request.user, course_key)
# Redirect the user to a more appropriate page if the
# messaging won't make sense based on the user's
# enrollment / payment / verification status.
sku_to_use = relevant_course_mode.sku
purchase_workflow = request.GET.get('purchase_workflow', 'single')
if purchase_workflow == 'bulk' and relevant_course_mode.bulk_sku:
sku_to_use = relevant_course_mode.bulk_sku
redirect_response = self._redirect_if_necessary(
message,
already_verified,
already_paid,
is_enrolled,
course_key,
user_is_trying_to_pay,
request.user,
sku_to_use
)
if redirect_response is not None:
return redirect_response
display_steps = self._display_steps(
always_show_payment,
already_verified,
already_paid,
relevant_course_mode
)
# Override the actual value if account activation has been disabled
# Also see the reference to this parameter in context dictionary further down
user_is_active = self._get_user_active_status(request.user)
requirements = self._requirements(display_steps, user_is_active)
if current_step is None:
current_step = display_steps[0]['name']
# Allow the caller to skip the first page
# This is useful if we want the user to be able to
# use the "back" button to return to the previous step.
# This parameter should only work for known skip-able steps
if request.GET.get('skip-first-step') and current_step in self.SKIP_STEPS:
display_step_names = [step['name'] for step in display_steps]
current_step_idx = display_step_names.index(current_step)
if (current_step_idx + 1) < len(display_steps):
current_step = display_steps[current_step_idx + 1]['name']
courseware_url = ""
if not course.start or course.start < datetime.datetime.today().replace(tzinfo=UTC):
courseware_url = reverse(
'course_root',
kwargs={'course_id': unicode(course_key)}
)
full_name = (
request.user.profile.name
if request.user.profile.name
else ""
)
# If the user set a contribution amount on another page,
# use that amount to pre-fill the price selection form.
contribution_amount = request.session.get(
'donation_for_course', {}
).get(unicode(course_key), '')
# Remember whether the user is upgrading
# so we can fire an analytics event upon payment.
request.session['attempting_upgrade'] = (message == self.UPGRADE_MSG)
# Determine the photo verification status
verification_good_until = self._verification_valid_until(request.user)
# get available payment processors
if relevant_course_mode.sku:
# transaction will be conducted via ecommerce service
processors = ecommerce_api_client(request.user).payment.processors.get()
else:
# transaction will be conducted using legacy shopping cart
processors = [settings.CC_PROCESSOR_NAME]
# Render the top-level page
context = {
'contribution_amount': contribution_amount,
'course': course,
'course_key': unicode(course_key),
'checkpoint_location': request.GET.get('checkpoint'),
'course_mode': relevant_course_mode,
'courseware_url': courseware_url,
'current_step': current_step,
'disable_courseware_js': True,
'display_steps': display_steps,
'is_active': json.dumps(user_is_active),
'user_email': request.user.email,
'message_key': message,
'platform_name': configuration_helpers.get_value('PLATFORM_NAME', settings.PLATFORM_NAME),
'processors': processors,
'requirements': requirements,
'user_full_name': full_name,
'verification_deadline': verification_deadline or "",
'already_verified': already_verified,
'verification_good_until': verification_good_until,
'capture_sound': staticfiles_storage.url("audio/camera_capture.wav"),
'nav_hidden': True,
'is_ab_testing': 'begin-flow' in request.path,
}
return render_to_response("verify_student/pay_and_verify.html", context)
def get(self, request, course_id, error=None):
"""Displays the course mode choice page.
Args:
request (`Request`): The Django Request object.
course_id (unicode): The slash-separated course key.
Keyword Args:
error (unicode): If provided, display this error message
on the page.
Returns:
Response
"""
course_key = CourseKey.from_string(course_id)
# Check whether the user has access to this course
# based on country access rules.
embargo_redirect = embargo_api.redirect_if_blocked(
course_key,
user=request.user,
ip_address=get_ip(request),
url=request.path
)
if embargo_redirect:
return redirect(embargo_redirect)
enrollment_mode, is_active = CourseEnrollment.enrollment_mode_for_user(request.user, course_key)
modes = CourseMode.modes_for_course_dict(course_key)
ecommerce_service = EcommerceService()
# We assume that, if 'professional' is one of the modes, it should be the *only* mode.
# If there are both modes, default to non-id-professional.
has_enrolled_professional = (CourseMode.is_professional_slug(enrollment_mode) and is_active)
if CourseMode.has_professional_mode(modes) and not has_enrolled_professional:
purchase_workflow = request.GET.get("purchase_workflow", "single")
verify_url = reverse('verify_student_start_flow', kwargs={'course_id': unicode(course_key)})
redirect_url = "{url}?purchase_workflow={workflow}".format(url=verify_url, workflow=purchase_workflow)
if ecommerce_service.is_enabled(request.user):
professional_mode = modes.get(CourseMode.NO_ID_PROFESSIONAL_MODE) or modes.get(CourseMode.PROFESSIONAL)
if purchase_workflow == "single" and professional_mode.sku:
redirect_url = ecommerce_service.get_checkout_page_url(professional_mode.sku)
if purchase_workflow == "bulk" and professional_mode.bulk_sku:
redirect_url = ecommerce_service.get_checkout_page_url(professional_mode.bulk_sku)
return redirect(redirect_url)
# If there isn't a verified mode available, then there's nothing
# to do on this page. Send the user to the dashboard.
if not CourseMode.has_verified_mode(modes):
# If the learner has arrived at this screen via the traditional enrollment workflow,
# then they should already be enrolled in an audit mode for the course, assuming one has
# been configured. However, alternative enrollment workflows have been introduced into the
# system, such as third-party discovery. These workflows result in learners arriving
# directly at this screen, and they will not necessarily be pre-enrolled in the audit mode.
# In this particular case, Audit is the ONLY option available, and thus we need to ensure
# that the learner is truly enrolled before we redirect them away to the dashboard.
if len(modes) == 1 and modes.get(CourseMode.AUDIT):
CourseEnrollment.enroll(request.user, course_key, CourseMode.AUDIT)
return redirect(self._get_redirect_url_for_audit_enrollment(request, course_id))
return redirect(reverse('dashboard'))
# If a user has already paid, redirect them to the dashboard.
if is_active and (enrollment_mode in CourseMode.VERIFIED_MODES + [CourseMode.NO_ID_PROFESSIONAL_MODE]):
return redirect(reverse('dashboard'))
donation_for_course = request.session.get("donation_for_course", {})
chosen_price = donation_for_course.get(unicode(course_key), None)
course = modulestore().get_course(course_key)
if CourseEnrollment.is_enrollment_closed(request.user, course):
locale = to_locale(get_language())
enrollment_end_date = format_datetime(course.enrollment_end, 'short', locale=locale)
params = urllib.urlencode({'course_closed': enrollment_end_date})
return redirect('{0}?{1}'.format(reverse('dashboard'), params))
# When a credit mode is available, students will be given the option
# to upgrade from a verified mode to a credit mode at the end of the course.
# This allows students who have completed photo verification to be eligible
# for univerity credit.
# Since credit isn't one of the selectable options on the track selection page,
# we need to check *all* available course modes in order to determine whether
# a credit mode is available. If so, then we show slightly different messaging
# for the verified track.
has_credit_upsell = any(
CourseMode.is_credit_mode(mode) for mode
in CourseMode.modes_for_course(course_key, only_selectable=False)
)
course_id = course_key.to_deprecated_string()
context = {
"course_modes_choose_url": reverse(
"course_modes_choose",
kwargs={'course_id': course_id}
),
"modes": modes,
"has_credit_upsell": has_credit_upsell,
"course_name": course.display_name_with_default_escaped,
"course_org": course.display_org_with_default,
"course_num": course.display_number_with_default,
"chosen_price": chosen_price,
"error": error,
"responsive": True,
"nav_hidden": True,
}
title_content = _("Congratulations! You are now enrolled in {course_name}").format(
course_name=course.display_name_with_default_escaped
)
enterprise_learner_data = enterprise_api.get_enterprise_learner_data(site=request.site, user=request.user)
if enterprise_learner_data:
enterprise_learner = enterprise_learner_data[0]
is_course_in_enterprise_catalog = enterprise_api.is_course_in_enterprise_catalog(
site=request.site,
course_id=course_id,
enterprise_catalog_id=enterprise_learner['enterprise_customer']['catalog']
)
if is_course_in_enterprise_catalog:
partner_names = partner_name = course.display_organization \
if course.display_organization else course.org
enterprise_name = enterprise_learner['enterprise_customer']['name']
organizations = organization_api.get_course_organizations(course_id=course.id)
if organizations:
partner_names = ' and '.join([org.get('name', partner_name) for org in organizations])
title_content = _("Welcome, {username}! You are about to enroll in {course_name},"
" from {partner_names}, sponsored by {enterprise_name}. Please select your enrollment"
" information below.").format(
username=request.user.username,
course_name=course.display_name_with_default_escaped,
partner_names=partner_names,
enterprise_name=enterprise_name
)
# Hide the audit modes for this enterprise customer, if necessary
if not enterprise_learner['enterprise_customer'].get('enable_audit_enrollment'):
for audit_mode in CourseMode.AUDIT_MODES:
modes.pop(audit_mode, None)
context["title_content"] = title_content
if "verified" in modes:
verified_mode = modes["verified"]
context["suggested_prices"] = [
decimal.Decimal(x.strip())
for x in verified_mode.suggested_prices.split(",")
if x.strip()
]
context["currency"] = verified_mode.currency.upper()
context["min_price"] = verified_mode.min_price
context["verified_name"] = verified_mode.name
context["verified_description"] = verified_mode.description
if verified_mode.sku:
context["use_ecommerce_payment_flow"] = ecommerce_service.is_enabled(request.user)
context["ecommerce_payment_page"] = ecommerce_service.payment_page_url()
context["sku"] = verified_mode.sku
context["bulk_sku"] = verified_mode.bulk_sku
return render_to_response("course_modes/choose.html", context)
def get(self, request, course_id, error=None):
"""Displays the course mode choice page.
Args:
request (`Request`): The Django Request object.
course_id (unicode): The slash-separated course key.
Keyword Args:
error (unicode): If provided, display this error message
on the page.
Returns:
Response
"""
course_key = CourseKey.from_string(course_id)
# Check whether the user has access to this course
# based on country access rules.
embargo_redirect = embargo_api.redirect_if_blocked(
course_key,
user=request.user,
ip_address=get_ip(request),
url=request.path)
if embargo_redirect:
return redirect(embargo_redirect)
enrollment_mode, is_active = CourseEnrollment.enrollment_mode_for_user(
request.user, course_key)
modes = CourseMode.modes_for_course_dict(course_key)
ecommerce_service = EcommerceService()
# We assume that, if 'professional' is one of the modes, it should be the *only* mode.
# If there are both modes, default to non-id-professional.
has_enrolled_professional = (
CourseMode.is_professional_slug(enrollment_mode) and is_active)
if CourseMode.has_professional_mode(
modes) and not has_enrolled_professional:
purchase_workflow = request.GET.get("purchase_workflow", "single")
verify_url = reverse('verify_student_start_flow',
kwargs={'course_id': unicode(course_key)})
redirect_url = "{url}?purchase_workflow={workflow}".format(
url=verify_url, workflow=purchase_workflow)
if ecommerce_service.is_enabled(request.user):
professional_mode = modes.get(
CourseMode.NO_ID_PROFESSIONAL_MODE) or modes.get(
CourseMode.PROFESSIONAL)
if purchase_workflow == "single" and professional_mode.sku:
redirect_url = ecommerce_service.checkout_page_url(
professional_mode.sku)
if purchase_workflow == "bulk" and professional_mode.bulk_sku:
redirect_url = ecommerce_service.checkout_page_url(
professional_mode.bulk_sku)
return redirect(redirect_url)
# TODO: Move out this piece of code as we are making changes in edx code.
course = modulestore().get_course(course_key)
today_date = timezone.now()
course_start_date = course.start
if course_start_date > today_date:
course_target = reverse('about_course', args=[unicode(course_id)])
else:
first_chapter_url, first_section = get_course_related_keys(
request, course)
course_target = reverse('courseware_section',
args=[
course.id.to_deprecated_string(),
first_chapter_url, first_section
])
# If there isn't a verified mode available, then there's nothing
# to do on this page. The user has almost certainly been auto-registered
# in the "honor" track by this point, so we send the user
# to the dashboard.
if not CourseMode.has_verified_mode(modes):
return redirect(course_target)
# If a user has already paid, redirect them to the dashboard.
if is_active and (enrollment_mode in CourseMode.VERIFIED_MODES +
[CourseMode.NO_ID_PROFESSIONAL_MODE]):
return redirect(course_target)
donation_for_course = request.session.get("donation_for_course", {})
chosen_price = donation_for_course.get(unicode(course_key), None)
if CourseEnrollment.is_enrollment_closed(request.user, course):
locale = to_locale(get_language())
enrollment_end_date = format_datetime(course.enrollment_end,
'short',
locale=locale)
params = urllib.urlencode({'course_closed': enrollment_end_date})
return redirect('{0}?{1}'.format(reverse('dashboard'), params))
# When a credit mode is available, students will be given the option
# to upgrade from a verified mode to a credit mode at the end of the course.
# This allows students who have completed photo verification to be eligible
# for univerity credit.
# Since credit isn't one of the selectable options on the track selection page,
# we need to check *all* available course modes in order to determine whether
# a credit mode is available. If so, then we show slightly different messaging
# for the verified track.
has_credit_upsell = any(
CourseMode.is_credit_mode(mode)
for mode in CourseMode.modes_for_course(course_key,
only_selectable=False))
context = {
"course_modes_choose_url":
reverse("course_modes_choose",
kwargs={'course_id': course_key.to_deprecated_string()}),
"modes":
modes,
"has_credit_upsell":
has_credit_upsell,
"course_name":
course.display_name_with_default_escaped,
"course_org":
course.display_org_with_default,
"course_num":
course.display_number_with_default,
"chosen_price":
chosen_price,
"error":
error,
"responsive":
True,
"nav_hidden":
True,
}
if "verified" in modes:
verified_mode = modes["verified"]
context["suggested_prices"] = [
decimal.Decimal(x.strip())
for x in verified_mode.suggested_prices.split(",")
if x.strip()
]
context["currency"] = verified_mode.currency.upper()
context["min_price"] = verified_mode.min_price
context["verified_name"] = verified_mode.name
context["verified_description"] = verified_mode.description
if verified_mode.sku:
context[
"use_ecommerce_payment_flow"] = ecommerce_service.is_enabled(
request.user)
context[
"ecommerce_payment_page"] = ecommerce_service.payment_page_url(
)
context["sku"] = verified_mode.sku
context["bulk_sku"] = verified_mode.bulk_sku
return render_to_response("course_modes/choose.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(
u"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_metric('course_id', text_type(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(
u"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_ip(request),
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=[unicode(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': text_type(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"))
