99 lines
3.3 KiB
Python
99 lines
3.3 KiB
Python
# ERPNext - web based ERP (http://erpnext.com)
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# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
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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 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import unicode_literals
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import webnotes
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from webnotes.utils import nowdate
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class FiscalYearError(webnotes.ValidationError): pass
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def get_fiscal_year(date, verbose=1):
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from webnotes.utils import formatdate
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# if year start date is 2012-04-01, year end date should be 2013-03-31 (hence subdate)
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fy = webnotes.conn.sql("""select name, year_start_date,
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subdate(adddate(year_start_date, interval 1 year), interval 1 day)
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as year_end_date
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from `tabFiscal Year`
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where %s >= year_start_date and %s < adddate(year_start_date, interval 1 year)""",
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(date, date))
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if not fy:
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error_msg = """%s not in any Fiscal Year""" % formatdate(date)
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if verbose: webnotes.msgprint(error_msg)
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raise FiscalYearError, error_msg
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return fy[0]
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@webnotes.whitelist()
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def get_balance_on(account=None, date=None):
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if not account and webnotes.form_dict.get("account"):
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account = webnotes.form_dict.get("account")
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date = webnotes.form_dict.get("date")
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cond = []
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if date:
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cond.append("posting_date <= '%s'" % date)
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else:
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# get balance of all entries that exist
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date = nowdate()
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try:
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year_start_date = get_fiscal_year(date, verbose=0)[1]
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except FiscalYearError, e:
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from webnotes.utils import getdate
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if getdate(date) > getdate(nowdate()):
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# if fiscal year not found and the date is greater than today
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# get fiscal year for today's date and its corresponding year start date
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year_start_date = get_fiscal_year(nowdate(), verbose=1)[1]
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else:
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# this indicates that it is a date older than any existing fiscal year.
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# hence, assuming balance as 0.0
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return 0.0
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acc = webnotes.conn.get_value('Account', account, \
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['lft', 'rgt', 'debit_or_credit', 'is_pl_account', 'group_or_ledger'], as_dict=1)
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# for pl accounts, get balance within a fiscal year
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if acc.is_pl_account == 'Yes':
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cond.append("posting_date >= '%s' and voucher_type != 'Period Closing Voucher'" \
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% year_start_date)
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# different filter for group and ledger - improved performance
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if acc.group_or_ledger=="Group":
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cond.append("""exists (
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select * from `tabAccount` ac where ac.name = gle.account
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and ac.lft >= %s and ac.rgt <= %s
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)""" % (acc.lft, acc.rgt))
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else:
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cond.append("""gle.account = "%s" """ % (account, ))
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# join conditional conditions
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cond = " and ".join(cond)
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if cond:
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cond += " and "
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bal = webnotes.conn.sql("""
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SELECT sum(ifnull(debit, 0)) - sum(ifnull(credit, 0))
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FROM `tabGL Entry` gle
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WHERE %s ifnull(is_cancelled, 'No') = 'No' """ % (cond, ))[0][0]
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# if credit account, it should calculate credit - debit
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if bal and acc.debit_or_credit == 'Credit':
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bal = -bal
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# if bal is None, return 0
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return bal or 0 |