94 lines
3.2 KiB
Python
94 lines
3.2 KiB
Python
# The Mia! Accounting Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/22
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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 current assets and liabilities account.
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"""
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from typing import Self
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import sqlalchemy as sa
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from accounting.locale import gettext
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from accounting.models import Account
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class CurrentAccount:
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"""A current assets and liabilities account."""
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CURRENT_AL_CODE: str = "0000-000"
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"""The account code for all current assets and liabilities."""
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def __init__(self, account: Account | None = None):
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"""Constructs the current assets and liabilities account.
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:param account: The actual account.
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"""
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self.account: Account | None = account
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"""The actual account."""
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self.id: int = -1 if account is None else account.id
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"""The ID."""
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self.code: str = "" if account is None else account.code
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"""The code."""
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self.title: str = "" if account is None else account.title
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"""The title."""
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self.str: str = "" if account is None else str(account)
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"""The string representation of the account."""
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def __str__(self) -> str:
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"""Returns the string representation of the account.
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:return: The string representation of the account.
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"""
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return self.str
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@classmethod
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def current_assets_and_liabilities(cls) -> Self:
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"""Returns the pseudo account for all current assets and liabilities.
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:return: The pseudo account for all current assets and liabilities.
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"""
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account: cls = cls()
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account.id = 0
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account.code = cls.CURRENT_AL_CODE
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account.title = gettext("current assets and liabilities")
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account.str = account.title
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return account
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@classmethod
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def accounts(cls) -> list[Self]:
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"""Returns the current assets and liabilities accounts.
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:return: The current assets and liabilities accounts.
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"""
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accounts: list[cls] = [cls.current_assets_and_liabilities()]
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accounts.extend([CurrentAccount(x)
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for x in Account.query
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.filter(cls.sql_condition())
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.order_by(Account.base_code, Account.no)])
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return accounts
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@classmethod
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def sql_condition(cls) -> sa.BinaryExpression:
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"""Returns the SQL condition for the current assets and liabilities
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accounts.
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:return: The SQL condition for the current assets and liabilities
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accounts.
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"""
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return sa.or_(Account.base_code.startswith("11"),
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Account.base_code.startswith("12"),
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Account.base_code.startswith("21"),
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Account.base_code.startswith("22"))
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