# Copyright 2018 The Oppia Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Controller for processing frontend errors."""

import json
import logging

from core.controllers import base


class FrontendErrorHandler(base.BaseHandler):
    """Handler for logging frontend errors."""

    def post(self):
        """Record errors reported by the frontend."""
        payload = json.loads(self.request.get('payload'))
        logging.error('Frontend error: %s', payload['error'])
        self.render_json({})
