def _render_invalid_certificate(request, course_id, platform_name, configuration):
"""
Renders the invalid certificate view with default header and footer.
"""
context = {}
_update_context_with_basic_info(context, course_id, platform_name, configuration)
# Add certificate header/footer data to current context
context.update(get_certificate_header_context(is_secure=request.is_secure()))
context.update(get_certificate_footer_context())
return render_to_response(INVALID_CERTIFICATE_TEMPLATE_PATH, context)
def test_certificate_header_data(self):
"""
Test that get_certificate_header_context from lms.djangoapps.certificates api
returns data customized according to site branding.
"""
# Generate certificates for the course
CourseModeFactory.create(course_id=self.COURSE_KEY,
mode_slug=CourseMode.HONOR)
data = get_certificate_header_context(is_secure=True)
# Make sure there are not unexpected keys in dict returned by 'get_certificate_header_context'
self.assertCountEqual(list(data.keys()), ['logo_src', 'logo_url'])
assert self.configuration['logo_image_url'] in data['logo_src']
assert self.configuration['SITE_NAME'] in data['logo_url']
def test_certificate_header_data(self):
"""
Test that get_certificate_header_context from lms.djangoapps.certificates api
returns data customized according to site branding.
"""
# Generate certificates for the course
CourseModeFactory.create(course_id=self.COURSE_KEY,
mode_slug=CourseMode.HONOR)
data = certs_api.get_certificate_header_context(is_secure=True)
# Make sure there are not unexpected keys in dict returned by 'get_certificate_header_context'
self.assertItemsEqual(data.keys(), ['logo_src', 'logo_url'])
self.assertIn(
settings.MICROSITE_CONFIGURATION['test_site']['logo_image_url'],
data['logo_src'])
self.assertIn(
settings.MICROSITE_CONFIGURATION['test_site']['SITE_NAME'],
data['logo_url'])
def test_certificate_header_data(self):
"""
Test that get_certificate_header_context from lms.djangoapps.certificates api
returns data customized according to site branding.
"""
# Generate certificates for the course
CourseModeFactory.create(course_id=self.COURSE_KEY, mode_slug=CourseMode.HONOR)
data = certs_api.get_certificate_header_context(is_secure=True)
# Make sure there are not unexpected keys in dict returned by 'get_certificate_header_context'
self.assertItemsEqual(
data.keys(),
['logo_src', 'logo_url']
)
self.assertIn(
self.configuration['logo_image_url'],
data['logo_src']
)
self.assertIn(
self.configuration['SITE_NAME'],
data['logo_url']
)
def render_html_view(request, user_id, course_id):
"""
This public view generates an HTML representation of the specified user and course
If a certificate is not available, we display a "Sorry!" screen instead
"""
try:
user_id = int(user_id)
except ValueError:
raise Http404
preview_mode = request.GET.get('preview', None)
platform_name = configuration_helpers.get_value("platform_name",
settings.PLATFORM_NAME)
configuration = CertificateHtmlViewConfiguration.get_config()
# Kick the user back to the "Invalid" screen if the feature is disabled globally
if not settings.FEATURES.get('CERTIFICATES_HTML_VIEW', False):
return _render_invalid_certificate(course_id, platform_name,
configuration)
# Load the course and user objects
try:
course_key = CourseKey.from_string(course_id)
user = User.objects.get(id=user_id)
course = get_course_by_id(course_key)
# For any course or user exceptions, kick the user back to the "Invalid" screen
except (InvalidKeyError, User.DoesNotExist, Http404) as exception:
error_str = (u"Invalid cert: error finding course %s or user with id "
u"%d. Specific error: %s")
log.info(error_str, course_id, user_id, str(exception))
return _render_invalid_certificate(course_id, platform_name,
configuration)
# Kick the user back to the "Invalid" screen if the feature is disabled for the course
if not course.cert_html_view_enabled:
log.info(
u"Invalid cert: HTML certificates disabled for %s. User id: %d",
course_id,
user_id,
)
return _render_invalid_certificate(course_id, platform_name,
configuration)
# Load user's certificate
user_certificate = _get_user_certificate(request, user, course_key, course,
preview_mode)
if not user_certificate:
log.info(
u"Invalid cert: User %d does not have eligible cert for %s.",
user_id,
course_id,
)
return _render_invalid_certificate(course_id, platform_name,
configuration)
# Get the active certificate configuration for this course
# If we do not have an active certificate, we'll need to send the user to the "Invalid" screen
# Passing in the 'preview' parameter, if specified, will return a configuration, if defined
active_configuration = get_active_web_certificate(course, preview_mode)
if active_configuration is None:
log.info(
u"Invalid cert: course %s does not have an active configuration. User id: %d",
course_id,
user_id,
)
return _render_invalid_certificate(course_id, platform_name,
configuration)
# Get data from Discovery service that will be necessary for rendering this Certificate.
catalog_data = _get_catalog_data_for_course(course_key)
# Determine whether to use the standard or custom template to render the certificate.
custom_template = None
custom_template_language = None
if settings.FEATURES.get('CUSTOM_CERTIFICATE_TEMPLATES_ENABLED', False):
log.info("Custom certificate for course {course_id}".format(
course_id=course_id))
custom_template, custom_template_language = _get_custom_template_and_language(
course.id, user_certificate.mode,
catalog_data.pop('content_language', None))
# Determine the language that should be used to render the certificate.
# For the standard certificate template, use the user language. For custom templates, use
# the language associated with the template.
user_language = translation.get_language()
certificate_language = custom_template_language if custom_template else user_language
log.info("certificate language is: {language} for the course:{course_key}".
format(language=certificate_language, course_key=course_key))
# Generate the certificate context in the correct language, then render the template.
with translation.override(certificate_language):
context = {'user_language': user_language}
_update_context_with_basic_info(context, course_id, platform_name,
configuration)
context['certificate_data'] = active_configuration
# Append/Override the existing view context values with any mode-specific ConfigurationModel values
context.update(configuration.get(user_certificate.mode, {}))
# Append organization info
_update_organization_context(context, course)
# Append course info
_update_course_context(request, context, course, course_key,
platform_name)
# Append course run info from discovery
context.update(catalog_data)
# Append user info
_update_context_with_user_info(context, user, user_certificate)
# Append social sharing info
_update_social_context(request, context, course, user,
user_certificate, platform_name)
# Append/Override the existing view context values with certificate specific values
_update_certificate_context(context, course, user_certificate,
platform_name)
# Append badge info
_update_badge_context(context, course, user)
# Append site configuration overrides
_update_configuration_context(context, configuration)
# Add certificate header/footer data to current context
context.update(
get_certificate_header_context(is_secure=request.is_secure()))
context.update(get_certificate_footer_context())
# Append/Override the existing view context values with any course-specific static values from Advanced Settings
context.update(course.cert_html_view_overrides)
# Track certificate view events
_track_certificate_events(request, context, course, user,
user_certificate)
# Render the certificate
return _render_valid_certificate(request, context, custom_template)
def render_html_view(request, user_id, course_id):
"""
This public view generates an HTML representation of the specified user and course
If a certificate is not available, we display a "Sorry!" screen instead
"""
try:
user_id = int(user_id)
except ValueError:
raise Http404
preview_mode = request.GET.get('preview', None)
platform_name = configuration_helpers.get_value("platform_name", settings.PLATFORM_NAME)
configuration = CertificateHtmlViewConfiguration.get_config()
# Kick the user back to the "Invalid" screen if the feature is disabled globally
if not settings.FEATURES.get('CERTIFICATES_HTML_VIEW', False):
return _render_invalid_certificate(course_id, platform_name, configuration)
# Load the course and user objects
try:
course_key = CourseKey.from_string(course_id)
user = User.objects.get(id=user_id)
course = get_course_by_id(course_key)
# For any course or user exceptions, kick the user back to the "Invalid" screen
except (InvalidKeyError, User.DoesNotExist, Http404) as exception:
error_str = (
u"Invalid cert: error finding course %s or user with id "
u"%d. Specific error: %s"
)
log.info(error_str, course_id, user_id, str(exception))
return _render_invalid_certificate(course_id, platform_name, configuration)
# Kick the user back to the "Invalid" screen if the feature is disabled for the course
if not course.cert_html_view_enabled:
log.info(
u"Invalid cert: HTML certificates disabled for %s. User id: %d",
course_id,
user_id,
)
return _render_invalid_certificate(course_id, platform_name, configuration)
# Load user's certificate
user_certificate = _get_user_certificate(request, user, course_key, course, preview_mode)
if not user_certificate:
log.info(
u"Invalid cert: User %d does not have eligible cert for %s.",
user_id,
course_id,
)
return _render_invalid_certificate(course_id, platform_name, configuration)
# Get the active certificate configuration for this course
# If we do not have an active certificate, we'll need to send the user to the "Invalid" screen
# Passing in the 'preview' parameter, if specified, will return a configuration, if defined
active_configuration = get_active_web_certificate(course, preview_mode)
if active_configuration is None:
log.info(
u"Invalid cert: course %s does not have an active configuration. User id: %d",
course_id,
user_id,
)
return _render_invalid_certificate(course_id, platform_name, configuration)
# Get data from Discovery service that will be necessary for rendering this Certificate.
catalog_data = _get_catalog_data_for_course(course_key)
# Determine whether to use the standard or custom template to render the certificate.
custom_template = None
custom_template_language = None
if settings.FEATURES.get('CUSTOM_CERTIFICATE_TEMPLATES_ENABLED', False):
log.info(u"Custom certificate for course %s", course_id)
custom_template, custom_template_language = _get_custom_template_and_language(
course.id,
user_certificate.mode,
catalog_data.pop('content_language', None)
)
# Determine the language that should be used to render the certificate.
# For the standard certificate template, use the user language. For custom templates, use
# the language associated with the template.
user_language = translation.get_language()
certificate_language = custom_template_language if custom_template else user_language
log.info(
u"certificate language is: %s for the course: %s",
certificate_language,
course_key
)
# Generate the certificate context in the correct language, then render the template.
with translation.override(certificate_language):
context = {'user_language': user_language}
_update_context_with_basic_info(context, course_id, platform_name, configuration)
context['certificate_data'] = active_configuration
# Append/Override the existing view context values with any mode-specific ConfigurationModel values
context.update(configuration.get(user_certificate.mode, {}))
# Append organization info
_update_organization_context(context, course)
# Append course info
_update_course_context(request, context, course, course_key, platform_name)
# Append course run info from discovery
context.update(catalog_data)
# Append user info
_update_context_with_user_info(context, user, user_certificate)
# Append social sharing info
_update_social_context(request, context, course, user, user_certificate, platform_name)
# Append/Override the existing view context values with certificate specific values
_update_certificate_context(context, course, user_certificate, platform_name)
# Append badge info
_update_badge_context(context, course, user)
# Append site configuration overrides
_update_configuration_context(context, configuration)
# Add certificate header/footer data to current context
context.update(get_certificate_header_context(is_secure=request.is_secure()))
context.update(get_certificate_footer_context())
# Append/Override the existing view context values with any course-specific static values from Advanced Settings
context.update(course.cert_html_view_overrides)
# Track certificate view events
_track_certificate_events(request, context, course, user, user_certificate)
# Render the certificate
return _render_valid_certificate(request, context, custom_template)
def render_html_view(request, course_id, certificate=None): # pylint: disable=too-many-statements
"""
This public view generates an HTML representation of the specified user and course
If a certificate is not available, we display a "Sorry!" screen instead
It can be overridden by setting `OVERRIDE_RENDER_CERTIFICATE_VIEW` to an alternative implementation.
"""
user = certificate.user if certificate else request.user
user_id = user.id
preview_mode = request.GET.get('preview', None)
platform_name = configuration_helpers.get_value("platform_name", settings.PLATFORM_NAME)
configuration = CertificateHtmlViewConfiguration.get_config()
# Kick the user back to the "Invalid" screen if the feature is disabled globally
if not settings.FEATURES.get('CERTIFICATES_HTML_VIEW', False):
return _render_invalid_certificate(request, course_id, platform_name, configuration)
# Load the course and user objects
try:
course_key = CourseKey.from_string(course_id)
course = get_course_by_id(course_key)
# For any course or user exceptions, kick the user back to the "Invalid" screen
except (InvalidKeyError, Http404) as exception:
error_str = (
"Invalid cert: error finding course %s "
"Specific error: %s"
)
log.info(error_str, course_id, str(exception))
return _render_invalid_certificate(request, course_id, platform_name, configuration)
course_overview = get_course_overview_or_none(course_key)
# Kick the user back to the "Invalid" screen if the feature is disabled for the course
if not course.cert_html_view_enabled:
log.info(
"Invalid cert: HTML certificates disabled for %s. User id: %d",
course_id,
user_id,
)
return _render_invalid_certificate(request, course_id, platform_name, configuration)
# Load user's certificate
user_certificate = _get_user_certificate(request, user, course_key, course_overview, preview_mode)
if not user_certificate:
log.info(
"Invalid cert: User %d does not have eligible cert for %s.",
user_id,
course_id,
)
return _render_invalid_certificate(request, course_id, platform_name, configuration)
# Get the active certificate configuration for this course
# If we do not have an active certificate, we'll need to send the user to the "Invalid" screen
# Passing in the 'preview' parameter, if specified, will return a configuration, if defined
active_configuration = get_active_web_certificate(course, preview_mode)
if active_configuration is None:
log.info(
"Invalid cert: course %s does not have an active configuration. User id: %d",
course_id,
user_id,
)
return _render_invalid_certificate(request, course_id, platform_name, configuration)
# Get data from Discovery service that will be necessary for rendering this Certificate.
catalog_data = _get_catalog_data_for_course(course_key)
# Determine whether to use the standard or custom template to render the certificate.
custom_template = None
custom_template_language = None
if settings.FEATURES.get('CUSTOM_CERTIFICATE_TEMPLATES_ENABLED', False):
log.info("Custom certificate for course %s", course_id)
custom_template, custom_template_language = _get_custom_template_and_language(
course.id,
user_certificate.mode,
catalog_data.pop('content_language', None)
)
# Determine the language that should be used to render the certificate.
# For the standard certificate template, use the user language. For custom templates, use
# the language associated with the template.
user_language = translation.get_language()
certificate_language = custom_template_language if custom_template else user_language
log.info(
"certificate language is: %s for the course: %s",
certificate_language,
course_key
)
# Generate the certificate context in the correct language, then render the template.
with translation.override(certificate_language):
context = {'user_language': user_language}
_update_context_with_basic_info(context, course_id, platform_name, configuration)
context['certificate_data'] = active_configuration
# Append/Override the existing view context values with any mode-specific ConfigurationModel values
context.update(configuration.get(user_certificate.mode, {}))
# Append organization info
_update_organization_context(context, course)
# Append course info
_update_course_context(request, context, course, platform_name)
# Append course run info from discovery
context.update(catalog_data)
# Append user info
_update_context_with_user_info(context, user, user_certificate)
# Append social sharing info
_update_social_context(request, context, course, user_certificate, platform_name)
# Append/Override the existing view context values with certificate specific values
_update_certificate_context(context, course, course_overview, user_certificate, platform_name)
# Append badge info
_update_badge_context(context, course, user)
# Add certificate header/footer data to current context
context.update(get_certificate_header_context(is_secure=request.is_secure()))
context.update(get_certificate_footer_context())
# Append/Override the existing view context values with any course-specific static values from Advanced Settings
context.update(course.cert_html_view_overrides)
# Track certificate view events
_track_certificate_events(request, course, user, user_certificate)
try:
# .. filter_implemented_name: CertificateRenderStarted
# .. filter_type: org.openedx.learning.certificate.render.started.v1
context, custom_template = CertificateRenderStarted.run_filter(
context=context,
custom_template=custom_template,
)
except CertificateRenderStarted.RenderAlternativeInvalidCertificate as exc:
response = _render_invalid_certificate(
request,
course_id,
platform_name,
configuration,
cert_path=exc.template_name or INVALID_CERTIFICATE_TEMPLATE_PATH,
)
except CertificateRenderStarted.RedirectToPage as exc:
response = HttpResponseRedirect(exc.redirect_to)
except CertificateRenderStarted.RenderCustomResponse as exc:
response = exc.response
else:
response = _render_valid_certificate(request, context, custom_template)
# Render the certificate
return response
