diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py index dd94e7c752..2e09286507 100644 --- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py +++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py @@ -357,6 +357,7 @@ class StockReconciliation(StockController): if row.current_qty: data.actual_qty = -1 * row.current_qty data.qty_after_transaction = flt(row.current_qty) + data.previous_qty_after_transaction = flt(row.qty) data.valuation_rate = flt(row.current_valuation_rate) data.stock_value = data.qty_after_transaction * data.valuation_rate data.stock_value_difference = -1 * flt(row.amount_difference) diff --git a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py index ce4cbd259c..84cdc49128 100644 --- a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py +++ b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py @@ -6,7 +6,7 @@ from __future__ import unicode_literals import frappe, unittest -from frappe.utils import flt, nowdate, nowtime, random_string +from frappe.utils import flt, nowdate, nowtime, random_string, add_days from erpnext.accounts.utils import get_stock_and_account_balance from erpnext.stock.stock_ledger import get_previous_sle, update_entries_after from erpnext.stock.doctype.stock_reconciliation.stock_reconciliation import EmptyStockReconciliationItemsError, get_items @@ -14,6 +14,7 @@ from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse from erpnext.stock.doctype.item.test_item import create_item from erpnext.stock.utils import get_incoming_rate, get_stock_value_on, get_valuation_method from erpnext.stock.doctype.serial_no.serial_no import get_serial_nos +from erpnext.stock.doctype.purchase_receipt.test_purchase_receipt import make_purchase_receipt class TestStockReconciliation(unittest.TestCase): @classmethod @@ -240,6 +241,117 @@ class TestStockReconciliation(unittest.TestCase): self.assertEqual(sr.get("items")[0].valuation_rate, 0) self.assertEqual(sr.get("items")[0].amount, 0) + def test_backdated_stock_reco_qty_reposting(self): + """ + Test if a backdated stock reco recalculates future qty until next reco. + ------------------------------------------- + Var | Doc | Qty | Balance + ------------------------------------------- + SR5 | Reco | 0 | 8 (posting date: today-4) [backdated] + PR1 | PR | 10 | 18 (posting date: today-3) + PR2 | PR | 1 | 19 (posting date: today-2) + SR4 | Reco | 0 | 6 (posting date: today-1) [backdated] + PR3 | PR | 1 | 7 (posting date: today) # can't post future PR + """ + item_code = "Backdated-Reco-Item" + warehouse = "_Test Warehouse - _TC" + create_item(item_code) + + pr1 = make_purchase_receipt(item_code=item_code, warehouse=warehouse, qty=10, rate=100, + posting_date=add_days(nowdate(), -3)) + pr2 = make_purchase_receipt(item_code=item_code, warehouse=warehouse, qty=1, rate=100, + posting_date=add_days(nowdate(), -2)) + pr3 = make_purchase_receipt(item_code=item_code, warehouse=warehouse, qty=1, rate=100, + posting_date=nowdate()) + + pr1_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0}, + "qty_after_transaction") + pr3_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr3.name, "is_cancelled": 0}, + "qty_after_transaction") + self.assertEqual(pr1_balance, 10) + self.assertEqual(pr3_balance, 12) + + # post backdated stock reco in between + sr4 = create_stock_reconciliation(item_code=item_code, warehouse=warehouse, qty=6, rate=100, + posting_date=add_days(nowdate(), -1)) + pr3_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr3.name, "is_cancelled": 0}, + "qty_after_transaction") + self.assertEqual(pr3_balance, 7) + + # post backdated stock reco at the start + sr5 = create_stock_reconciliation(item_code=item_code, warehouse=warehouse, qty=8, rate=100, + posting_date=add_days(nowdate(), -4)) + pr1_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0}, + "qty_after_transaction") + pr2_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr2.name, "is_cancelled": 0}, + "qty_after_transaction") + sr4_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": sr4.name, "is_cancelled": 0}, + "qty_after_transaction") + self.assertEqual(pr1_balance, 18) + self.assertEqual(pr2_balance, 19) + self.assertEqual(sr4_balance, 6) # check if future stock reco is unaffected + + # cancel backdated stock reco and check future impact + sr5.cancel() + pr1_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0}, + "qty_after_transaction") + pr2_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr2.name, "is_cancelled": 0}, + "qty_after_transaction") + sr4_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": sr4.name, "is_cancelled": 0}, + "qty_after_transaction") + self.assertEqual(pr1_balance, 10) + self.assertEqual(pr2_balance, 11) + self.assertEqual(sr4_balance, 6) # check if future stock reco is unaffected + + # teardown + sr4.cancel() + pr3.cancel() + pr2.cancel() + pr1.cancel() + + def test_backdated_stock_reco_future_negative_stock(self): + """ + Test if a backdated stock reco causes future negative stock and is blocked. + ------------------------------------------- + Var | Doc | Qty | Balance + ------------------------------------------- + PR1 | PR | 10 | 10 (posting date: today-2) + SR3 | Reco | 0 | 1 (posting date: today-1) [backdated & blocked] + DN2 | DN | -2 | 8(-1) (posting date: today) + """ + from erpnext.stock.stock_ledger import NegativeStockError + from erpnext.stock.doctype.delivery_note.test_delivery_note import create_delivery_note + + item_code = "Backdated-Reco-Item" + warehouse = "_Test Warehouse - _TC" + create_item(item_code) + + negative_stock_setting = frappe.db.get_single_value("Stock Settings", "allow_negative_stock") + frappe.db.set_value("Stock Settings", None, "allow_negative_stock", 0) + + pr1 = make_purchase_receipt(item_code=item_code, warehouse=warehouse, qty=10, rate=100, + posting_date=add_days(nowdate(), -2)) + dn2 = create_delivery_note(item_code=item_code, warehouse=warehouse, qty=2, rate=120, + posting_date=nowdate()) + + pr1_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0}, + "qty_after_transaction") + dn2_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": dn2.name, "is_cancelled": 0}, + "qty_after_transaction") + self.assertEqual(pr1_balance, 10) + self.assertEqual(dn2_balance, 8) + + # check if stock reco is blocked + sr3 = create_stock_reconciliation(item_code=item_code, warehouse=warehouse, qty=1, rate=100, + posting_date=add_days(nowdate(), -1), do_not_submit=True) + self.assertRaises(NegativeStockError, sr3.submit) + + # teardown + frappe.db.set_value("Stock Settings", None, "allow_negative_stock", negative_stock_setting) + sr3.cancel() + dn2.cancel() + pr1.cancel() + def insert_existing_sle(warehouse): from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py index 9fe89c3fa5..4e9c7689ae 100644 --- a/erpnext/stock/stock_ledger.py +++ b/erpnext/stock/stock_ledger.py @@ -55,6 +55,11 @@ def make_sl_entries(sl_entries, allow_negative_stock=False, via_landed_cost_vouc sle_doc = make_entry(sle, allow_negative_stock, via_landed_cost_voucher) args = sle_doc.as_dict() + + if sle.get("voucher_type") == "Stock Reconciliation": + # preserve previous_qty_after_transaction for qty reposting + args.previous_qty_after_transaction = sle.get("previous_qty_after_transaction") + update_bin(args, allow_negative_stock, via_landed_cost_voucher) def get_args_for_future_sle(row): @@ -215,7 +220,7 @@ class update_entries_after(object): """ self.data.setdefault(args.warehouse, frappe._dict()) warehouse_dict = self.data[args.warehouse] - previous_sle = self.get_previous_sle_of_current_voucher(args) + previous_sle = get_previous_sle_of_current_voucher(args) warehouse_dict.previous_sle = previous_sle for key in ("qty_after_transaction", "valuation_rate", "stock_value"): @@ -227,29 +232,6 @@ class update_entries_after(object): "stock_value_difference": 0.0 }) - def get_previous_sle_of_current_voucher(self, args): - """get stock ledger entries filtered by specific posting datetime conditions""" - - args['time_format'] = '%H:%i:%s' - if not args.get("posting_date"): - args["posting_date"] = "1900-01-01" - if not args.get("posting_time"): - args["posting_time"] = "00:00" - - sle = frappe.db.sql(""" - select *, timestamp(posting_date, posting_time) as "timestamp" - from `tabStock Ledger Entry` - where item_code = %(item_code)s - and warehouse = %(warehouse)s - and is_cancelled = 0 - and timestamp(posting_date, time_format(posting_time, %(time_format)s)) < timestamp(%(posting_date)s, time_format(%(posting_time)s, %(time_format)s)) - order by timestamp(posting_date, posting_time) desc, creation desc - limit 1 - for update""", args, as_dict=1) - - return sle[0] if sle else frappe._dict() - - def build(self): from erpnext.controllers.stock_controller import future_sle_exists @@ -734,6 +716,35 @@ class update_entries_after(object): bin_doc.flags.via_stock_ledger_entry = True bin_doc.save(ignore_permissions=True) + +def get_previous_sle_of_current_voucher(args, exclude_current_voucher=False): + """get stock ledger entries filtered by specific posting datetime conditions""" + + args['time_format'] = '%H:%i:%s' + if not args.get("posting_date"): + args["posting_date"] = "1900-01-01" + if not args.get("posting_time"): + args["posting_time"] = "00:00" + + voucher_condition = "" + if exclude_current_voucher: + voucher_no = args.get("voucher_no") + voucher_condition = f"and voucher_no != '{voucher_no}'" + + sle = frappe.db.sql(""" + select *, timestamp(posting_date, posting_time) as "timestamp" + from `tabStock Ledger Entry` + where item_code = %(item_code)s + and warehouse = %(warehouse)s + and is_cancelled = 0 + {voucher_condition} + and timestamp(posting_date, time_format(posting_time, %(time_format)s)) < timestamp(%(posting_date)s, time_format(%(posting_time)s, %(time_format)s)) + order by timestamp(posting_date, posting_time) desc, creation desc + limit 1 + for update""".format(voucher_condition=voucher_condition), args, as_dict=1) + + return sle[0] if sle else frappe._dict() + def get_previous_sle(args, for_update=False): """ get the last sle on or before the current time-bucket, @@ -862,9 +873,24 @@ def get_valuation_rate(item_code, warehouse, voucher_type, voucher_no, return valuation_rate def update_qty_in_future_sle(args, allow_negative_stock=None): + """Recalculate Qty after Transaction in future SLEs based on current SLE.""" + datetime_limit_condition = "" + qty_shift = args.actual_qty + + # find difference/shift in qty caused by stock reconciliation + if args.voucher_type == "Stock Reconciliation": + qty_shift = get_stock_reco_qty_shift(args) + + # find the next nearest stock reco so that we only recalculate SLEs till that point + next_stock_reco_detail = get_next_stock_reco(args) + if next_stock_reco_detail: + detail = next_stock_reco_detail[0] + # add condition to update SLEs before this date & time + datetime_limit_condition = get_datetime_limit_condition(detail) + frappe.db.sql(""" update `tabStock Ledger Entry` - set qty_after_transaction = qty_after_transaction + {qty} + set qty_after_transaction = qty_after_transaction + {qty_shift} where item_code = %(item_code)s and warehouse = %(warehouse)s @@ -876,15 +902,70 @@ def update_qty_in_future_sle(args, allow_negative_stock=None): and creation > %(creation)s ) ) - """.format(qty=args.actual_qty), args) + {datetime_limit_condition} + """.format(qty_shift=qty_shift, datetime_limit_condition=datetime_limit_condition), args) validate_negative_qty_in_future_sle(args, allow_negative_stock) +def get_stock_reco_qty_shift(args): + stock_reco_qty_shift = 0 + if args.get("is_cancelled"): + if args.get("previous_qty_after_transaction"): + # get qty (balance) that was set at submission + last_balance = args.get("previous_qty_after_transaction") + stock_reco_qty_shift = flt(args.qty_after_transaction) - flt(last_balance) + else: + stock_reco_qty_shift = flt(args.actual_qty) + else: + # reco is being submitted + last_balance = get_previous_sle_of_current_voucher(args, + exclude_current_voucher=True).get("qty_after_transaction") + + if last_balance is not None: + stock_reco_qty_shift = flt(args.qty_after_transaction) - flt(last_balance) + else: + stock_reco_qty_shift = args.qty_after_transaction + + return stock_reco_qty_shift + +def get_next_stock_reco(args): + """Returns next nearest stock reconciliaton's details.""" + + return frappe.db.sql(""" + select + name, posting_date, posting_time, creation, voucher_no + from + `tabStock Ledger Entry` + where + item_code = %(item_code)s + and warehouse = %(warehouse)s + and voucher_type = 'Stock Reconciliation' + and voucher_no != %(voucher_no)s + and is_cancelled = 0 + and (timestamp(posting_date, posting_time) > timestamp(%(posting_date)s, %(posting_time)s) + or ( + timestamp(posting_date, posting_time) = timestamp(%(posting_date)s, %(posting_time)s) + and creation > %(creation)s + ) + ) + limit 1 + """, args, as_dict=1) + +def get_datetime_limit_condition(detail): + return f""" + and + (timestamp(posting_date, posting_time) < timestamp('{detail.posting_date}', '{detail.posting_time}') + or ( + timestamp(posting_date, posting_time) = timestamp('{detail.posting_date}', '{detail.posting_time}') + and creation < '{detail.creation}' + ) + )""" + def validate_negative_qty_in_future_sle(args, allow_negative_stock=None): allow_negative_stock = allow_negative_stock \ or cint(frappe.db.get_single_value("Stock Settings", "allow_negative_stock")) - if args.actual_qty < 0 and not allow_negative_stock: + if (args.actual_qty < 0 or args.voucher_type == "Stock Reconciliation") and not allow_negative_stock: sle = get_future_sle_with_negative_qty(args) if sle: message = _("{0} units of {1} needed in {2} on {3} {4} for {5} to complete this transaction.").format(