176 lines
7.6 KiB
Python
176 lines
7.6 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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from . import accounting
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from . import ledger
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from .config import config
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from .model import *
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from datetime import datetime, timedelta
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from decimal import Decimal
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import flask
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app = flask.Flask(__name__, template_folder='jinja2')
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@app.route('/')
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def index():
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date = datetime.now()
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pstart = ledger.financial_year(date)
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return flask.render_template('index.html', date=date, pstart=pstart)
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@app.route('/trial')
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def trial():
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date = datetime.strptime(flask.request.args['date'], '%Y-%m-%d')
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pstart = datetime.strptime(flask.request.args['pstart'], '%Y-%m-%d')
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compare = int(flask.request.args['compare'])
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#cash = flask.request.args.get('cash', False)
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if compare == 0:
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# Get trial balance
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l = ledger.raw_transactions_at_date(date)
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trial_balance = accounting.trial_balance(l, date, pstart)
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report_currency = Currency(*config['report_currency'])
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trial_balance = accounting.add_unrealized_gains(trial_balance, report_currency)
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total_dr = Amount(0, report_currency)
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total_cr = Amount(0, report_currency)
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for account in l.accounts.values():
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# Display in "cost basis" as we have already accounted for unrealised gains
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balance = trial_balance.get_balance(account).exchange(report_currency, True)
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if balance > 0:
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total_dr += balance
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else:
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total_cr -= balance
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return flask.render_template('trial.html', date=date, pstart=pstart, trial_balance=trial_balance, accounts=sorted(l.accounts.values(), key=lambda a: a.name), total_dr=total_dr, total_cr=total_cr, report_currency=report_currency)
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else:
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# Get multiple trial balances for comparison
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dates = [date.replace(year=date.year - i) for i in range(0, compare + 1)]
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pstarts = [pstart.replace(year=pstart.year - i) for i in range(0, compare + 1)]
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report_currency = Currency(*config['report_currency'])
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l = ledger.raw_transactions_at_date(date)
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trial_balances = [accounting.add_unrealized_gains(accounting.trial_balance(l, d, p), report_currency) for d, p in zip(dates, pstarts)]
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# Delete accounts with always zero balances
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accounts = list(trial_balances[0].ledger.accounts.values())
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for account in accounts[:]:
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if all(t.get_balance(account) == 0 for t in trial_balances):
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accounts.remove(account)
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return flask.render_template('trial_multiple.html', trial_balances=trial_balances, accounts=sorted(accounts, key=lambda a: a.name), report_currency=report_currency)
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@app.route('/balance')
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def balance():
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raise Exception('NYI')
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date = datetime.strptime(flask.request.args['date'], '%Y-%m-%d')
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pstart = datetime.strptime(flask.request.args['pstart'], '%Y-%m-%d')
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compare = int(flask.request.args['compare'])
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#cash = flask.request.args.get('cash', False)
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dates = [date.replace(year=date.year - i) for i in range(0, compare + 1)]
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pstarts = [pstart.replace(year=pstart.year - i) for i in range(0, compare + 1)]
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balance_sheets = [accounting.balance_sheet(d, p) for d, p in zip(dates, pstarts)]
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# Delete accounts with always zero balances
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accounts = list(balance_sheets[0].accounts.values())
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for account in accounts[:]:
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if all(b.get_balance(account.name) == 0 and b.get_total(account.name) == 0 for b in balance_sheets):
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accounts.remove(account)
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return flask.render_template('balance.html', balance_sheets=balance_sheets, accounts=accounts, config=ledger.config)
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@app.route('/pandl')
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def pandl():
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raise Exception('NYI')
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date_beg = datetime.strptime(flask.request.args['date_beg'], '%Y-%m-%d')
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date_end = datetime.strptime(flask.request.args['date_end'], '%Y-%m-%d')
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compare = int(flask.request.args['compare'])
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#cash = flask.request.args.get('cash', False)
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dates_beg = [date_beg.replace(year=date_beg.year - i) for i in range(0, compare + 1)]
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dates_end = [date_end.replace(year=date_end.year - i) for i in range(0, compare + 1)]
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pandls = [ledger.trial_balance(de, db) for de, db in zip(dates_end, dates_beg)]
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# Delete accounts with always zero balances
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accounts = list(pandls[0].accounts.values())
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for account in accounts[:]:
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if all(p.get_balance(account.name) == 0 and p.get_total(account.name) == 0 for p in pandls):
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accounts.remove(account)
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if date_end == (date_beg.replace(year=date_beg.year + 1) - timedelta(days=1)):
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period = 'year ended {}'.format(date_end.strftime('%d %B %Y'))
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elif date_beg == ledger.financial_year(date_end):
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period = 'financial year to {}'.format(date_end.strftime('%d %B %Y'))
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else:
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period = 'period from {} to {}'.format(date_beg.strftime('%d %B %Y'), date_end.strftime('%d %B %Y'))
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return flask.render_template('pandl.html', period=period, pandls=pandls, accounts=accounts, config=ledger.config)
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@app.route('/transactions')
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def transactions():
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date = datetime.strptime(flask.request.args['date'], '%Y-%m-%d')
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pstart = datetime.strptime(flask.request.args['pstart'], '%Y-%m-%d')
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account = flask.request.args.get('account', None)
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# General ledger
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l = ledger.raw_transactions_at_date(date)
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# Unrealized gains
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report_currency = Currency(*config['report_currency'])
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l = accounting.add_unrealized_gains(accounting.trial_balance(l, date, pstart), report_currency).ledger
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if not account:
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transactions = [t for t in l.transactions if t.date <= date and t.date >= pstart]
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total_dr = sum((p.amount for t in transactions for p in t.postings if p.amount > 0), Balance()).exchange(report_currency, True)
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total_cr = sum((p.amount for t in transactions for p in t.postings if p.amount < 0), Balance()).exchange(report_currency, True)
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return flask.render_template('transactions.html', date=date, pstart=pstart, account=None, ledger=l, transactions=transactions, total_dr=total_dr, total_cr=total_cr, report_currency=report_currency)
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else:
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account = l.get_account(account)
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transactions = [t for t in l.transactions if t.date <= date and t.date >= pstart and any(p.account == account for p in t.postings)]
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opening_balance = accounting.trial_balance(l, pstart, pstart).get_balance(account).exchange(report_currency, True)
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closing_balance = accounting.trial_balance(l, date, pstart).get_balance(account).exchange(report_currency, True)
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return flask.render_template('transactions.html', date=date, pstart=pstart, account=account, ledger=l, transactions=transactions, opening_balance=opening_balance, closing_balance=closing_balance, report_currency=report_currency)
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@app.template_filter('a')
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def filter_amount(amt):
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if amt.amount < 0.005 and amt.amount >= -0.005:
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return flask.Markup('0.00 ')
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elif amt > 0:
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return flask.Markup('{:,.2f} '.format(amt.amount).replace(',', ' ')) # Narrow no-break space
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else:
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return flask.Markup('({:,.2f})'.format(-amt.amount).replace(',', ' '))
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@app.template_filter('b')
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def filter_amount_positive(amt):
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return flask.Markup('{:,.2f}'.format(amt.amount).replace(',', ' '))
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#return flask.Markup('{:,.2f} {}'.format(amt.amount, amt.currency.name).replace(',', ' '))
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@app.template_filter('bb')
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def filter_balance_positive(balance):
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return flask.Markup('<br>'.join(filter_amount_positive(a) for a in balance.amounts))
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