47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
"""meta_approval - Validate approval metadata"""
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# Copyright © 2020 Brett Smith
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import decimal
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from . import core
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from .. import config as configmod
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from .. import data
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from .. import errors as errormod
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from ..beancount_types import (
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Transaction,
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)
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class MetaApproval(core._RequireLinksPostingMetadataHook):
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CHECKED_METADATA = ['approval']
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def __init__(self, config: configmod.Config) -> None:
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self.payment_threshold = -config.payment_threshold()
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def _run_on_txn(self, txn: Transaction) -> bool:
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if not super()._run_on_txn(txn):
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return False
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# approval is required when funds leave a cash equivalent asset,
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# UNLESS that transaction is a transfer to another asset,
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# or paying off a credit card.
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balance = data.balance_of(
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txn,
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data.Account.is_cash_equivalent,
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data.Account.is_credit_card,
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)
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return balance is None or balance < self.payment_threshold
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def _run_on_post(self, txn: Transaction, post: data.Posting) -> bool:
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return post.account.is_cash_equivalent() and not post.is_credit(0)
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