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, cint
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from frappe import _
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from frappe.model.meta import get_field_precision
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from erpnext.accounts.doctype.budget.budget import validate_expense_against_budget
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class StockAccountInvalidTransaction(frappe.ValidationError): pass
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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
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if flt(entry.debit_in_account_currency) < 0:
entry.credit_in_account_currency = \
flt(entry.credit_in_account_currency) - flt(entry.debit_in_account_currency)
entry.debit_in_account_currency = 0.0
if flt(entry.credit) < 0:
entry.debit = flt(entry.debit) - flt(entry.credit)
entry.credit = 0.0
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if flt(entry.credit_in_account_currency) < 0:
entry.debit_in_account_currency = \
flt(entry.debit_in_account_currency) - flt(entry.credit_in_account_currency)
entry.credit_in_account_currency = 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)
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same_head.debit_in_account_currency = \
flt(same_head.debit_in_account_currency) + flt(entry.debit_in_account_currency)
same_head.credit = flt(same_head.credit) + flt(entry.credit)
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same_head.credit_in_account_currency = \
flt(same_head.credit_in_account_currency) + flt(entry.credit_in_account_currency)
else:
merged_gl_map.append(entry)
# filter zero debit and credit entries
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merged_gl_map = filter(lambda x: flt(x.debit, 9)!=0 or flt(x.credit, 9)!=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('party_type'))==cstr(gle.get('party_type')) \
and cstr(e.get('party'))==cstr(gle.get('party')) \
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)
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round_off_debit_credit(gl_map)
for entry in gl_map:
make_entry(entry, adv_adj, update_outstanding)
# check against budget
validate_expense_against_budget(entry)
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()
def validate_account_for_auto_accounting_for_stock(gl_map):
if cint(frappe.db.get_single_value("Accounts Settings", "auto_accounting_for_stock")) \
and 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 (warehouse != '' and warehouse is not null)""")]
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)
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def round_off_debit_credit(gl_map):
precision = get_field_precision(frappe.get_meta("GL Entry").get_field("debit"),
currency=frappe.db.get_value("Company", gl_map[0].company, "default_currency", cache=True))
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debit_credit_diff = 0.0
for entry in gl_map:
entry.debit = flt(entry.debit, precision)
entry.credit = flt(entry.credit, precision)
debit_credit_diff += entry.debit - entry.credit
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debit_credit_diff = flt(debit_credit_diff, precision)
if gl_map[0]["voucher_type"] == "Journal Entry":
allowance = 5.0 / (10**precision)
else:
allowance = 1
if abs(debit_credit_diff) >= allowance:
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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, debit_credit_diff))
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elif abs(debit_credit_diff) >= (1.0 / (10**precision)):
make_round_off_gle(gl_map, debit_credit_diff)
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def make_round_off_gle(gl_map, debit_credit_diff):
round_off_account, round_off_cost_center = frappe.db.get_value("Company", gl_map[0].company,
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["round_off_account", "round_off_cost_center"]) or [None, None]
if not round_off_account:
frappe.throw(_("Please mention Round Off Account in Company"))
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if not round_off_cost_center:
frappe.throw(_("Please mention Round Off Cost Center in Company"))
round_off_gle = frappe._dict()
for k in ["voucher_type", "voucher_no", "company",
"posting_date", "remarks", "is_opening"]:
round_off_gle[k] = gl_map[0][k]
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round_off_gle.update({
"account": round_off_account,
"debit_in_account_currency": abs(debit_credit_diff) if debit_credit_diff < 0 else 0,
"credit_in_account_currency": debit_credit_diff if debit_credit_diff > 0 else 0,
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"debit": abs(debit_credit_diff) if debit_credit_diff < 0 else 0,
"credit": debit_credit_diff if debit_credit_diff > 0 else 0,
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"cost_center": round_off_cost_center,
"party_type": None,
"party": None,
"against_voucher_type": None,
"against_voucher": None
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})
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gl_map.append(round_off_gle)
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)