# Unix SMB/CIFS implementation.
#
# Model and ORM exceptions.
#
# Copyright (C) Catalyst.Net Ltd. 2023
#
# Written by Rob van der Linde <rob@catalyst.net.nz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

class ModelError(Exception):
    pass


class FieldError(ModelError):
    """A ModelError on a specific field."""

    def __init__(self, *args, field=None):
        self.field = field
        super().__init__(*args)

    def __str__(self):
        message = super().__str__()
        return f"{self.field.name}: {message}"


class MultipleObjectsReturned(ModelError):
    pass


class DoesNotExist(ModelError):
    pass


class GrantMemberError(ModelError):
    pass


class RevokeMemberError(ModelError):
    pass


class ProtectError(ModelError):
    pass


class UnprotectError(ModelError):
    pass


class DeleteError(ModelError):
    pass