brotherton-erpnext/accounts/utils/__init__.py
2012-10-01 11:30:00 +05:30

77 lines
2.6 KiB
Python

# ERPNext - web based ERP (http://erpnext.com)
# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals
import webnotes
from webnotes.utils import nowdate
def get_fiscal_year(date):
from webnotes.utils import formatdate
fy = webnotes.conn.sql("""select name, year_start_date,
adddate(year_start_date, interval 1 year)
from `tabFiscal Year`
where %s between year_start_date and adddate(year_start_date,
interval 1 year)""", date)
if not fy:
webnotes.msgprint("""%s not in any Fiscal Year""" % formatdate(date), raise_exception=1)
return fy[0]
@webnotes.whitelist()
def get_balance_on(account=None, date=None):
if not account and webnotes.form_dict.get("account"):
account = webnotes.form_dict.get("account")
date = webnotes.form_dict.get("date")
cond = []
if date:
cond.append("posting_date <= '%s'" % date)
acc = webnotes.conn.get_value('Account', account, \
['lft', 'rgt', 'debit_or_credit', 'is_pl_account', 'group_or_ledger'], as_dict=1)
# for pl accounts, get balance within a fiscal year
if acc.is_pl_account == 'Yes':
cond.append("posting_date >= '%s' and voucher_type != 'Period Closing Voucher'" % \
get_fiscal_year(date or nowdate())[1])
# different filter for group and ledger - improved performance
if acc.group_or_ledger=="Group":
cond.append("""exists (
select * from `tabAccount` ac where ac.name = gle.account
and ac.lft >= %s and ac.rgt <= %s
)""" % (acc.lft, acc.rgt))
else:
cond.append("""gle.account = "%s" """ % (account, ))
# join conditional conditions
cond = " and ".join(cond)
if cond:
cond += " and "
bal = webnotes.conn.sql("""
SELECT sum(ifnull(debit, 0)) - sum(ifnull(credit, 0))
FROM `tabGL Entry` gle
WHERE %s ifnull(is_cancelled, 'No') = 'No' """ % (cond, ))[0][0]
# if credit account, it should calculate credit - debit
if bal and acc.debit_or_credit == 'Credit':
bal = -bal
# if bal is None, return 0
return bal or 0