53 lines
2.0 KiB
Python
53 lines
2.0 KiB
Python
# ledger-pyreport
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# Copyright © 2020 Lee Yingtong Li (RunasSudo)
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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 csv
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from decimal import Decimal
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from .model import *
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def add_unrealized_gains(tb, currency):
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for account in list(tb.ledger.accounts.values()):
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if not account.is_market:
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continue
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total_cost = tb.get_balance(account).exchange(currency, True)
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total_market = tb.get_balance(account).exchange(currency, False, tb.date, tb.ledger)
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unrealized_gain = total_market - total_cost
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if unrealized_gain != 0:
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transaction = Transaction(tb.ledger, None, tb.date, '<Unrealized Gains>')
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transaction.postings.append(Posting(transaction, account, unrealized_gain))
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transaction.postings.append(Posting(transaction, tb.ledger.get_account(config['unrealized_gains']), -unrealized_gain))
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tb.ledger.transactions.append(transaction)
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return trial_balance(tb.ledger, tb.date, tb.pstart)
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def trial_balance(ledger, date, pstart):
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tb = TrialBalance(ledger, date, pstart)
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for transaction in ledger.transactions:
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if transaction.date > date:
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continue
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for posting in transaction.postings:
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if (posting.account.is_income or posting.account.is_expense) and transaction.date < pstart:
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tb.balances[config['retained_earnings']] = tb.get_balance(ledger.get_account(config['retained_earnings'])) + posting.amount
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else:
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tb.balances[posting.account.name] = tb.get_balance(posting.account) + posting.amount
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return tb
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