def put(self):
"""Handles REST PUT verb with JSON payload."""
assert is_editable_fs(self.app_context)
request = transforms.loads(self.request.get('request'))
key = request.get('key')
if not self.assert_xsrf_token_or_fail(
request, 'basic-course-settings-put', {'key': key}):
return
if not CourseSettingsRights.can_edit(self):
transforms.send_json_response(
self, 401, 'Access denied.', {'key': key})
return
payload = request.get('payload')
request_data = {}
GDefierSettingsRESTHandler.REGISTORY.convert_json_to_entity(
transforms.loads(payload), request_data)
entity = courses.deep_dict_merge(request_data, get_course_dict())
content = yaml.safe_dump(entity)
try:
self.validate_content(content)
content_stream = vfs.string_to_stream(unicode(content))
except Exception as e: # pylint: disable=W0703
transforms.send_json_response(self, 412, 'Validation error: %s' % e)
return
# Store new file content.
fs = self.app_context.fs.impl
filename = fs.physical_to_logical(key)
fs.put(filename, content_stream)
# Send reply.
transforms.send_json_response(self, 200, 'Saved.')
