Files
edx-platform/lms/djangoapps/edxnotes/decorators.py
2015-10-29 20:07:51 +05:00

59 lines
2.0 KiB
Python

"""
Decorators related to edXNotes.
"""
import json
from django.conf import settings
from edxnotes.helpers import (
get_edxnotes_id_token,
get_public_endpoint,
get_token_url,
generate_uid,
is_feature_enabled,
)
from 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.
"""
is_studio = getattr(self.system, "is_author_mode", False)
course = self.descriptor.runtime.modulestore.get_course(self.runtime.course_id)
# Must be disabled:
# - in Studio;
# - when Harvard Annotation Tool is enabled for the course;
# - when the feature flag or `edxnotes` setting of the course is set to False.
if is_studio or not is_feature_enabled(course):
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": unicode(self.scope_ids.usage_id).encode("utf-8"),
"courseId": unicode(self.runtime.course_id).encode("utf-8"),
"token": get_edxnotes_id_token(self.runtime.get_real_user(self.runtime.anonymous_student_id)),
"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