#  Copyright (c) 2020 the original author or authors
#
#  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
#
#       https://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.

from json import JSONEncoder

import numpy as np

from src.services.dto.json_encodable import JSONEncodable


def add_json_encoding(app):
    class AppJSONEncoder(JSONEncoder):
        def default(self, obj):
            if isinstance(obj, JSONEncodable):
                return obj.to_json()
            if isinstance(obj, np.ndarray):
                return obj.tolist()
            return super().default(obj)

    app.json_encoder = AppJSONEncoder
