38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
# The Mia! Accounting Flask Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/30
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# Copyright (c) 2023 imacat.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The random ID mixin for the data models.
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This module should not import any other module from the application.
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"""
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import typing as t
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from secrets import randbelow
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from accounting.database import db
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def new_id(cls: t.Type):
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"""Returns a new random ID for the data model.
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:param cls: The data model.
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:return: The generated new random ID.
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"""
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while True:
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obj_id: int = 100000000 + randbelow(900000000)
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if db.session.get(cls, obj_id) is None:
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return obj_id
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