111 lines
3.3 KiB
Python
111 lines
3.3 KiB
Python
"""
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Handle view-logic for the djangoapp
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"""
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from opaque_keys.edx.keys import CourseKey
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from opaque_keys import InvalidKeyError
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from rest_framework import serializers
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from openedx.core.lib.api.permissions import IsStaff
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from openedx.core.lib.api.view_utils import view_auth_classes
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from .models import DiscussionsConfiguration
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PROVIDER_FEATURE_MAP = {
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'cs_comments_service': [
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'discussion-page',
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'embedded-course-sections',
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'lti',
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'wcag-2.1',
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],
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'piazza': [
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'discussion-page',
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'lti',
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],
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}
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@view_auth_classes()
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class DiscussionsConfigurationView(APIView):
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"""
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Handle configuration-related view-logic
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"""
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permission_classes = (IsStaff,)
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class Serializer(serializers.BaseSerializer):
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"""
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Serialize configuration responses
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"""
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def create(self, validated_data):
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"""
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Create and save a new instance
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"""
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raise NotImplementedError
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def to_internal_data(self, data):
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"""
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Transform the *incoming* primitive data into a native value.
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"""
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raise NotImplementedError
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def to_representation(self, instance) -> dict:
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"""
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Serialize data into a dictionary, to be used as a response
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"""
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payload = {
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'context_key': str(instance.context_key),
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'enabled': instance.enabled,
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'features': {
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'discussion-page',
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'embedded-course-sections',
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'lti',
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'wcag-2.1',
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},
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'plugin_configuration': instance.plugin_configuration,
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'providers': {
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'active': instance.provider_type or '',
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'available': {
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provider: {
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'features': PROVIDER_FEATURE_MAP.get(provider) or [],
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}
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for provider in instance.available_providers
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},
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},
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}
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return payload
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def update(self, instance, validated_data):
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"""
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Update and save an existing instance
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"""
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raise NotImplementedError
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# pylint: disable=redefined-builtin
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def get(self, request, course_key_string, **_kwargs) -> Response:
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"""
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Handle HTTP/GET requests
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"""
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course_key = self._validate_course_key(course_key_string)
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configuration = DiscussionsConfiguration.get(course_key)
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serializer = self.Serializer(configuration)
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return Response(serializer.data)
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def _validate_course_key(self, course_key_string: str) -> CourseKey:
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"""
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Validate and parse a course_key string, if supported
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"""
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try:
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course_key = CourseKey.from_string(course_key_string)
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except InvalidKeyError as error:
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raise serializers.ValidationError(
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f"{course_key_string} is not a valid CourseKey"
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) from error
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if course_key.deprecated:
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raise serializers.ValidationError(
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'Deprecated CourseKeys (Org/Course/Run) are not supported.'
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)
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return course_key
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