49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
# The Mia! Accounting Flask Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
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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 path converters for the currency management.
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"""
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from flask import abort
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from werkzeug.routing import BaseConverter
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from accounting import db
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from accounting.models import Currency
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class CurrencyConverter(BaseConverter):
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"""The currency converter to convert the currency code and to the
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corresponding currency in the routes."""
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def to_python(self, value: str) -> Currency:
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"""Converts a currency code to a currency.
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:param value: The currency code.
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:return: The corresponding currency.
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"""
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currency: Currency | None = db.session.get(Currency, value)
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if currency is None:
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abort(404)
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return currency
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def to_url(self, value: Currency) -> str:
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"""Converts a currency to its code.
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:param value: The currency.
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:return: The code.
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"""
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return value.code
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