brotherton-erpnext/erpnext/accounts/general_ledger.py

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# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
from __future__ import unicode_literals
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import frappe
from frappe.utils import flt, cstr
from frappe import _
from erpnext.accounts.utils import validate_expense_against_budget
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class StockAccountInvalidTransaction(frappe.ValidationError): pass
def make_gl_entries(gl_map, cancel=False, adv_adj=False, merge_entries=True,
update_outstanding='Yes'):
if gl_map:
if not cancel:
gl_map = process_gl_map(gl_map, merge_entries)
if gl_map and len(gl_map) > 1:
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save_entries(gl_map, adv_adj, update_outstanding)
else:
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frappe.throw(_("Incorrect number of General Ledger Entries found. You might have selected a wrong Account in the transaction."))
else:
delete_gl_entries(gl_map, adv_adj=adv_adj, update_outstanding=update_outstanding)
def process_gl_map(gl_map, merge_entries=True):
if merge_entries:
gl_map = merge_similar_entries(gl_map)
for entry in gl_map:
# toggle debit, credit if negative entry
if flt(entry.debit) < 0:
entry.credit = flt(entry.credit) - flt(entry.debit)
entry.debit = 0.0
if flt(entry.credit) < 0:
entry.debit = flt(entry.debit) - flt(entry.credit)
entry.credit = 0.0
return gl_map
def merge_similar_entries(gl_map):
merged_gl_map = []
for entry in gl_map:
# if there is already an entry in this account then just add it
# to that entry
same_head = check_if_in_list(entry, merged_gl_map)
if same_head:
same_head.debit = flt(same_head.debit) + flt(entry.debit)
same_head.credit = flt(same_head.credit) + flt(entry.credit)
else:
merged_gl_map.append(entry)
# filter zero debit and credit entries
merged_gl_map = filter(lambda x: flt(x.debit)!=0 or flt(x.credit)!=0, merged_gl_map)
return merged_gl_map
def check_if_in_list(gle, gl_map):
for e in gl_map:
if e.account == gle.account and \
cstr(e.get('against_voucher'))==cstr(gle.get('against_voucher')) \
and cstr(e.get('against_voucher_type')) == \
cstr(gle.get('against_voucher_type')) \
and cstr(e.get('cost_center')) == cstr(gle.get('cost_center')):
return e
def save_entries(gl_map, adv_adj, update_outstanding):
validate_account_for_auto_accounting_for_stock(gl_map)
total_debit = total_credit = 0.0
for entry in gl_map:
make_entry(entry, adv_adj, update_outstanding)
# check against budget
validate_expense_against_budget(entry)
# update total debit / credit
total_debit += flt(entry.debit)
total_credit += flt(entry.credit)
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validate_total_debit_credit(total_debit, total_credit, gl_map)
def make_entry(args, adv_adj, update_outstanding):
args.update({"doctype": "GL Entry"})
gle = frappe.get_doc(args)
gle.flags.ignore_permissions = 1
gle.insert()
gle.run_method("on_update_with_args", adv_adj, update_outstanding)
gle.submit()
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def validate_total_debit_credit(total_debit, total_credit, gl_map):
if abs(total_debit - total_credit) > 0.005:
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frappe.throw(_("Debit and Credit not equal for {0} #{1}. Difference is {2}.").format(gl_map[0].voucher_type, gl_map[0].voucher_no, total_debit - total_credit))
def validate_account_for_auto_accounting_for_stock(gl_map):
if gl_map[0].voucher_type=="Journal Entry":
aii_accounts = [d[0] for d in frappe.db.sql("""select name from tabAccount
where account_type = 'Warehouse' and ifnull(warehouse, '')!=''""")]
for entry in gl_map:
if entry.account in aii_accounts:
frappe.throw(_("Account: {0} can only be updated via Stock Transactions").format(entry.account), StockAccountInvalidTransaction)
def delete_gl_entries(gl_entries=None, voucher_type=None, voucher_no=None,
adv_adj=False, update_outstanding="Yes"):
from erpnext.accounts.doctype.gl_entry.gl_entry import validate_balance_type, \
check_freezing_date, update_outstanding_amt, validate_frozen_account
if not gl_entries:
gl_entries = frappe.db.sql("""select * from `tabGL Entry`
where voucher_type=%s and voucher_no=%s""", (voucher_type, voucher_no), as_dict=True)
if gl_entries:
check_freezing_date(gl_entries[0]["posting_date"], adv_adj)
frappe.db.sql("""delete from `tabGL Entry` where voucher_type=%s and voucher_no=%s""",
(voucher_type or gl_entries[0]["voucher_type"], voucher_no or gl_entries[0]["voucher_no"]))
for entry in gl_entries:
validate_frozen_account(entry["account"], adv_adj)
validate_balance_type(entry["account"], adv_adj)
validate_expense_against_budget(entry)
if entry.get("against_voucher") and update_outstanding == 'Yes':
update_outstanding_amt(entry["account"], entry.get("party_type"), entry.get("party"), entry.get("against_voucher_type"),
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entry.get("against_voucher"), on_cancel=True)