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edx-platform/lms/djangoapps/edxnotes/decorators.py

65 lines
2.3 KiB
Python

"""
Decorators related to edXNotes.
"""
import json
from django.conf import settings
from common.djangoapps.edxmako.shortcuts import render_to_string
def edxnotes(cls):
"""
Decorator that makes components annotatable.
"""
original_get_html = cls.get_html
def get_html(self, *args, **kwargs):
"""
Returns raw html for the component.
"""
# Import is placed here to avoid model import at project startup.
from .helpers import (
generate_uid, get_edxnotes_id_token, get_public_endpoint, get_token_url, is_feature_enabled
)
runtime = getattr(self, 'descriptor', self).runtime
if not hasattr(runtime, 'modulestore'):
return original_get_html(self, *args, **kwargs)
is_studio = getattr(self.system, "is_author_mode", False)
course = getattr(self, 'descriptor', self).runtime.modulestore.get_course(self.runtime.course_id)
# Must be disabled when:
# - in Studio
# - Harvard Annotation Tool is enabled for the course
# - the feature flag or `edxnotes` setting of the course is set to False
# - the user is not authenticated
user = self.runtime.get_real_user(self.runtime.anonymous_student_id)
if is_studio or not is_feature_enabled(course, user):
return original_get_html(self, *args, **kwargs)
else:
return render_to_string("edxnotes_wrapper.html", {
"content": original_get_html(self, *args, **kwargs),
"uid": generate_uid(),
"edxnotes_visibility": json.dumps(
getattr(self, 'edxnotes_visibility', course.edxnotes_visibility)
),
"params": {
# Use camelCase to name keys.
"usageId": str(self.scope_ids.usage_id),
"courseId": str(self.runtime.course_id),
"token": get_edxnotes_id_token(user),
"tokenUrl": get_token_url(self.runtime.course_id),
"endpoint": get_public_endpoint(),
"debug": settings.DEBUG,
"eventStringLimit": settings.TRACK_MAX_EVENT / 6,
},
})
cls.get_html = get_html
return cls