# Copyright 2014 Huawei Technologies Co. Ltd
#
# 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.

"""Custom exception"""
import traceback


class DatabaseException(Exception):
    def __init__(self, message):
        super(DatabaseException, self).__init__(message)
        self.traceback = traceback.format_exc()
        self.status_code = 400


class RecordNotExists(DatabaseException):
    """Define the exception for referring non-existing object in DB."""
    def __init__(self, message):
        super(RecordNotExists, self).__init__(message)
        self.status_code = 404


class DuplicatedRecord(DatabaseException):
    """Define the exception for trying to insert an existing object in DB."""
    def __init__(self, message):
        super(DuplicatedRecord, self).__init__(message)
        self.status_code = 409


class Unauthorized(DatabaseException):
    """Define the exception for invalid user login."""
    def __init__(self, message):
        super(Unauthorized, self).__init__(message)
        self.status_code = 401


class UserDisabled(DatabaseException):
    """Define the exception that a disabled user tries to do some operations.
    """
    def __init__(self, message):
        super(UserDisabled, self).__init__(message)
        self.status_code = 403


class Forbidden(DatabaseException):
    """Define the exception that a user is trying to make some action
       without the right permission.
    """
    def __init__(self, message):
        super(Forbidden, self).__init__(message)
        self.status_code = 403


class NotAcceptable(DatabaseException):
    """The data is not acceptable."""
    def __init__(self, message):
        super(NotAcceptable, self).__init__(message)
        self.status_code = 406


class InvalidParameter(DatabaseException):
    """Define the exception that the request has invalid or missing parameters.
    """
    def __init__(self, message):
        super(InvalidParameter, self).__init__(message)
        self.status_code = 400


class InvalidResponse(DatabaseException):
    """Define the exception that the response is invalid.
    """
    def __init__(self, message):
        super(InvalidResponse, self).__init__(message)
        self.status_code = 400