Files
edx-platform/lms/djangoapps/support/views/program_enrollments.py
2022-01-19 14:18:06 +05:00

400 lines
15 KiB
Python

"""
Support tool for changing course enrollments.
"""
from django.contrib.auth.models import User # lint-amnesty, pylint: disable=imported-auth-user
from django.db.models import Q
from django.utils.decorators import method_decorator
from django.views.generic import View
from edx_rest_framework_extensions.auth.jwt.authentication import JwtAuthentication
from rest_framework.views import APIView
from rest_framework.authentication import SessionAuthentication
from rest_framework.response import Response
from rest_framework.permissions import IsAuthenticated
from social_django.models import UserSocialAuth
from common.djangoapps.edxmako.shortcuts import render_to_response
from common.djangoapps.third_party_auth.models import SAMLProviderConfig
from lms.djangoapps.program_enrollments.api import (
fetch_program_enrollments_by_student,
get_users_by_external_keys_and_org_key,
)
from lms.djangoapps.program_enrollments.exceptions import (
BadOrganizationShortNameException,
ProviderDoesNotExistException
)
from lms.djangoapps.support.decorators import require_support_permission
from lms.djangoapps.support.serializers import ProgramEnrollmentSerializer, serialize_user_info
from lms.djangoapps.verify_student.services import IDVerificationService
from lms.djangoapps.support.views.utils import validate_and_link_program_enrollments
TEMPLATE_PATH = 'support/link_program_enrollments.html'
DATETIME_FORMAT = '%Y-%m-%dT%H:%M:%S'
class LinkProgramEnrollmentSupportView(View):
"""
Allows viewing and changing learner enrollments by support
staff.
"""
# TODO: ARCH-91
# This view is excluded from Swagger doc generation because it
# does not specify a serializer class.
exclude_from_schema = True
@method_decorator(require_support_permission)
def get(self, request):
return render_to_response(
TEMPLATE_PATH,
{
'successes': [],
'errors': [],
'program_uuid': '',
'text': '',
}
)
@method_decorator(require_support_permission)
def post(self, request):
"""
Link the given program enrollments and lms users
"""
program_uuid = request.POST.get('program_uuid', '').strip()
text = request.POST.get('text', '')
successes, errors = validate_and_link_program_enrollments(program_uuid, text)
return render_to_response(
TEMPLATE_PATH,
{
'successes': successes,
'errors': errors,
'program_uuid': program_uuid,
'text': text,
}
)
class LinkProgramEnrollmentSupportAPIView(APIView):
"""
Support-only API View for linking learner enrollments by support staff.
"""
authentication_classes = (
JwtAuthentication, SessionAuthentication
)
permission_classes = (
IsAuthenticated,
)
@method_decorator(require_support_permission)
def post(self, request):
"""
Links learner enrollments by support staff
* Example Request:
- POST / support / link_program_enrollments_details/
* Sample Payload
{
program_uuid: < program_uuid > ,
username_pair_text: 'external_user_key,lms_username'
}
* Example Response:
{
program_uuid: < program_uuid>,
username_pair_text: 'external_user_key,lms_username'
successes: 'Success messages if Linkages are created',
errors: 'Error messages if there is no linkages'
}
"""
program_uuid = request.POST.get('program_uuid', '').strip()
username_pair_text = request.POST.get('username_pair_text', '')
successes, errors = validate_and_link_program_enrollments(program_uuid, username_pair_text)
data = {
'successes': successes,
'errors': errors,
'program_uuid': program_uuid,
'username_pair_text': username_pair_text,
}
return Response(data)
class ProgramEnrollmentInspector:
"""
A common class to provide functionality of search and display the program enrollments
information of a learner for Program Inspector Views and APIViews.
"""
def _get_org_keys_and_idps(self):
"""
From our Third_party_auth models, return a dictionary of
of organizations keys and their correspondingactive and configured SAMLProviders
"""
saml_providers = SAMLProviderConfig.objects.current_set().filter(
enabled=True,
organization__isnull=False
).select_related('organization')
return {
saml_provider.organization.short_name: saml_provider for saml_provider in saml_providers
}
def _get_account_info(self, username_or_email, idp_provider=None):
"""
Provided the edx account username or email, and the SAML provider selected,
return edx account info and program_enrollments_info.
If we cannot identify the user, return empty object and error.
"""
try:
user = User.objects.get(Q(username=username_or_email) | Q(email=username_or_email))
user_social_auths = None
user_social_auths = UserSocialAuth.objects.filter(user=user)
if idp_provider:
user_social_auths = user_social_auths.filter(provider=idp_provider.backend_name)
user_info = serialize_user_info(user, user_social_auths)
enrollments = self._get_enrollments(user=user)
result = {'user': user_info}
if enrollments:
result['enrollments'] = enrollments
result['id_verification'] = IDVerificationService.user_status(user)
return result, ''
except User.DoesNotExist:
return {}, f'Could not find edx account with {username_or_email}'
def _get_external_user_info(self, external_user_key, org_key, idp_provider=None):
"""
Provided the external_user_key and org_key, return edx account info
and program_enrollments_info if any. If we cannot identify the data,
return empty object.
"""
found_user = None
result = {}
try:
users_by_key = get_users_by_external_keys_and_org_key(
[external_user_key],
org_key
)
# Remove entries with no corresponding user and convert keys to lowercase
users_by_key_lower = {key.lower(): value for key, value in users_by_key.items() if value}
found_user = users_by_key_lower.get(external_user_key.lower())
except (
BadOrganizationShortNameException,
ProviderDoesNotExistException
):
# We cannot identify edX user from external_user_key and org_key pair
pass
enrollments = self._get_enrollments(external_user_key=external_user_key)
if enrollments:
result['enrollments'] = enrollments
if found_user:
user_social_auths = UserSocialAuth.objects.filter(user=found_user)
if idp_provider:
user_social_auths = user_social_auths.filter(provider=idp_provider.backend_name)
user_info = serialize_user_info(found_user, user_social_auths)
result['user'] = user_info
result['id_verification'] = IDVerificationService.user_status(found_user)
elif 'enrollments' in result:
result['user'] = {'external_user_key': external_user_key}
return result
def _get_enrollments(self, user=None, external_user_key=None):
"""
With the user or external_user_key passed in,
return an array of dictionariers with corresponding ProgramEnrollments
and ProgramCourseEnrollments all serialized for view
"""
program_enrollments = fetch_program_enrollments_by_student(
user=user,
external_user_key=external_user_key
).prefetch_related('program_course_enrollments')
serialized = ProgramEnrollmentSerializer(program_enrollments, many=True)
return serialized.data
class SAMLProvidersWithOrg(APIView):
"""
Support-only API View for fetching a list of all
organizations names which will be utilized as keys.
"""
@method_decorator(require_support_permission)
def get(self, request):
"""
The get request returns a list of all
organizations names which will be utilized as keys.
* Example Request:
- GET /support/get_saml_providers/
* Example Response:
[
'test_org',
'donut_org',
'tri_org'
]
"""
org_key_names = self._get_org_key_names()
return Response(data=org_key_names)
def _get_org_key_names(self):
"""
From our Third_party_auth models, return a list of
of organizations names which will be utilized as keys.
"""
saml_providers = SAMLProviderConfig.objects.current_set().filter(
enabled=True,
organization__isnull=False
).select_related('organization')
return [saml_provider.organization.short_name for saml_provider in saml_providers]
class ProgramEnrollmentsInspectorView(ProgramEnrollmentInspector, View):
"""
The view to search and display the program enrollments
information of a learner.
"""
exclude_from_schema = True
CONSOLE_TEMPLATE_PATH = 'support/program_enrollments_inspector.html'
@method_decorator(require_support_permission)
def get(self, request):
"""
Based on the query string parameters passed through the GET request
Search the data store for information about ProgramEnrollment and
SSO linkage with the user.
"""
search_error = ''
edx_username_or_email = request.GET.get('edx_user', '').strip()
org_key = request.GET.get('org_key', '').strip()
external_user_key = request.GET.get('external_user_key', '').strip()
learner_program_enrollments = {}
saml_providers_with_org_key = self._get_org_keys_and_idps()
selected_provider = None
if org_key:
selected_provider = saml_providers_with_org_key.get(org_key)
if edx_username_or_email:
learner_program_enrollments, search_error = self._get_account_info(
edx_username_or_email,
selected_provider,
)
elif org_key and external_user_key:
learner_program_enrollments = self._get_external_user_info(
external_user_key,
org_key,
selected_provider,
)
if not learner_program_enrollments:
search_error = 'No user found for external key {} for institution {}'.format(
external_user_key, org_key
)
elif not org_key and not external_user_key:
# This is initial rendering state.
pass
else:
search_error = (
"To perform a search, you must provide either the student's "
"(a) edX username, "
"(b) email address associated with their edX account, or "
"(c) Identity-providing institution and external key!"
)
return render_to_response(
self.CONSOLE_TEMPLATE_PATH,
{
'error': search_error,
'learner_program_enrollments': learner_program_enrollments,
'org_keys': sorted(saml_providers_with_org_key.keys()),
}
)
class ProgramEnrollmentsInspectorAPIView(ProgramEnrollmentInspector, APIView):
"""
The APIview to search and display the program enrollments
information of a learner.
"""
authentication_classes = (
JwtAuthentication, SessionAuthentication
)
permission_classes = (
IsAuthenticated,
)
@method_decorator(require_support_permission)
def get(self, request):
"""
Based on the query string parameters passed through the GET request
Search the data store for information about ProgramEnrollment and
SSO linkage with the user.
* Example Request:
- GET / support/program_enrollments_inspector_details?
edx_user=<edx_user>&org_key=<org_key>&external_user_key=<external_user_key>
* Example Response:
{
learner_program_enrollments: {
"user": {
"username": "edx",
"email": "edx@example.com"
},
"id_verification": {
"status": "none",
"error": <error>,
"should_display": true,
"status_date": <status_date>,
"verification_expiry": <verification_expiry>
},
"enrollments": [
{
"created": "2021-11-25T04:56:25",
"modified": "2021-12-19T22:27:34",
"external_user_key": "testuser",
"status": "enrolled",
"program_uuid": <program_uuid>,
"program_course_enrollments": [],
"program_name": <program_name>
}
],
"user": {
"external_user_key": "testuser"
}
},
org_key: < org_key >
errors: 'Error messages for invalid query'
}
"""
search_error = ''
edx_username_or_email = request.query_params.get('edx_user', '').strip()
org_key = request.query_params.get('org_key', '').strip()
external_user_key = request.query_params.get('external_user_key', '').strip()
learner_program_enrollments = {}
saml_providers_with_org_key = self._get_org_keys_and_idps()
selected_provider = None
if org_key:
selected_provider = saml_providers_with_org_key.get(org_key)
if edx_username_or_email:
learner_program_enrollments, search_error = self._get_account_info(
edx_username_or_email,
selected_provider,
)
elif org_key and external_user_key:
learner_program_enrollments = self._get_external_user_info(
external_user_key,
org_key,
selected_provider,
)
if not learner_program_enrollments:
search_error = 'No user found for external key {} for institution {}'.format(
external_user_key, org_key
)
else:
search_error = (
"To perform a search, you must provide either the student's "
"(a) edX username, "
"(b) email address associated with their edX account, or "
"(c) Identity-providing institution and external key!"
)
return Response(data={
'error': search_error,
'learner_program_enrollments': learner_program_enrollments,
'org_keys': org_key,
})