fix: re-check future sle before queuing repost on submit (#57664)

* test: cover both repost branches and the no-repost case

* fix: queue repost for entries backdated by a concurrent submit

---------

Co-authored-by: nareshkannasln <nareshkannashanmugam@gmail.com>

erpnext/controllers/stock_controller.py

@@ -702,6 +702,11 @@ def is_reposting_pending():
 	)
 
 
+def invalidate_future_sle_cache(voucher_type, voucher_no):
+	if hasattr(frappe.local, "future_sle"):
+		frappe.local.future_sle.pop((voucher_type, voucher_no), None)
+
+
 def future_sle_exists(args, sl_entries=None):
 	from erpnext.stock.utils import get_combine_datetime
 

erpnext/controllers/tests/test_stock_controller.py

@@ -40,3 +40,140 @@ class TestStockControllerConversions(ERPNextTestSuite):
 		sl_entries = [frappe._dict(item_code=item, warehouse="_Test Warehouse - _TC")]
 
 		self.assertTrue(future_sle_exists(args, sl_entries))
+
+	def _make_opening_entry(self, item, warehouse):
+		from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
+
+		opening = make_stock_entry(
+			item_code=item,
+			target=warehouse,
+			qty=100,
+			basic_rate=100,
+			posting_date=add_days(today(), -5),
+			posting_time="01:00:00",
+		)
+		self.addCleanup(self._cancel_and_delete, "Stock Entry", opening.name)
+
+		return opening
+
+	def _later_sle(self, item, warehouse, opening):
+		sle = frappe.get_doc(
+			{
+				"doctype": "Stock Ledger Entry",
+				"item_code": item,
+				"warehouse": warehouse,
+				"posting_date": today(),
+				"posting_time": "12:00:00",
+				"voucher_type": "Stock Entry",
+				"voucher_no": opening.name,
+				"actual_qty": 7,
+				"incoming_rate": 100,
+				"qty_after_transaction": 107,
+				"valuation_rate": 100,
+				"stock_value": 10700,
+				"company": opening.company,
+				"stock_uom": "Nos",
+			}
+		)
+		sle.flags.ignore_permissions = True
+		sle.flags.ignore_links = True
+
+		return sle
+
+	def _submit_entry(self, item, warehouse, inject=None):
+		from erpnext.stock import stock_ledger
+		from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
+
+		original_make_entry = stock_ledger.make_entry
+		injected = []
+
+		def make_entry_with_injection(*args, **kwargs):
+			if inject is not None and not injected:
+				injected.append(True)
+				inject.submit()
+			return original_make_entry(*args, **kwargs)
+
+		stock_ledger.make_entry = make_entry_with_injection
+		try:
+			entry = make_stock_entry(
+				item_code=item,
+				target=warehouse,
+				qty=5,
+				basic_rate=500,
+				posting_date=today(),
+				posting_time="06:00:00",
+			)
+		finally:
+			stock_ledger.make_entry = original_make_entry
+
+		self.addCleanup(self._cancel_and_delete, "Stock Entry", entry.name)
+		if inject is not None:
+			self.assertTrue(injected, "the later SL Entry was not written during the submit")
+
+		return entry
+
+	def _reposts_queued_for(self, item, warehouse, voucher_no):
+		names = set(
+			frappe.get_all(
+				"Repost Item Valuation",
+				filters={"docstatus": 1, "item_code": item, "warehouse": warehouse},
+				pluck="name",
+			)
+		) | set(
+			frappe.get_all(
+				"Repost Item Valuation",
+				filters={"docstatus": 1, "voucher_no": voucher_no},
+				pluck="name",
+			)
+		)
+		for name in names:
+			self.addCleanup(frappe.delete_doc, "Repost Item Valuation", name, force=1)
+
+		return names
+
+	def test_repost_queued_for_entry_backdated_while_its_sl_entries_were_written(self):
+		from erpnext.stock.doctype.item.test_item import make_item
+
+		item = make_item("_Test Concurrent Backdated Item", {"is_stock_item": 1}).name
+		warehouse = "_Test Warehouse - _TC"
+
+		opening = self._make_opening_entry(item, warehouse)
+		backdated = self._submit_entry(item, warehouse, inject=self._later_sle(item, warehouse, opening))
+
+		self.assertTrue(
+			self._reposts_queued_for(item, warehouse, backdated.name),
+			"No Repost Item Valuation was queued for an entry that a later SL Entry made backdated",
+		)
+
+	def test_repost_queued_against_voucher_when_item_based_reposting_is_off(self):
+		from erpnext.stock.doctype.item.test_item import make_item
+
+		item = make_item("_Test Voucher Based Repost Item", {"is_stock_item": 1}).name
+		warehouse = "_Test Warehouse - _TC"
+
+		with self.change_settings("Stock Reposting Settings", item_based_reposting=0):
+			opening = self._make_opening_entry(item, warehouse)
+			backdated = self._submit_entry(item, warehouse, inject=self._later_sle(item, warehouse, opening))
+
+			self.assertTrue(
+				frappe.get_all(
+					"Repost Item Valuation",
+					filters={"docstatus": 1, "voucher_no": backdated.name},
+					pluck="name",
+				),
+				"No voucher based Repost Item Valuation was queued",
+			)
+
+	def test_no_repost_queued_when_nothing_was_written_after_the_entry(self):
+		from erpnext.stock.doctype.item.test_item import make_item
+
+		item = make_item("_Test Unconcurrent Item", {"is_stock_item": 1}).name
+		warehouse = "_Test Warehouse - _TC"
+
+		self._make_opening_entry(item, warehouse)
+		entry = self._submit_entry(item, warehouse)
+
+		self.assertFalse(
+			self._reposts_queued_for(item, warehouse, entry.name),
+			"A Repost Item Valuation was queued for an entry with nothing posted after it",
+		)

erpnext/stock/stock_ledger.py

@@ -137,7 +137,7 @@ def make_sl_entries(sl_entries, allow_negative_stock=False, via_landed_cost_vouc
 	        such cases certain validations need to be ignored (like negative
 	                        stock)
 	"""
-	from erpnext.controllers.stock_controller import future_sle_exists
+	from erpnext.controllers.stock_controller import future_sle_exists, invalidate_future_sle_cache
 
 	if sl_entries:
 		# Sorted so two vouchers touching the same pairs can't take the gates in opposite order.
@@ -195,6 +195,8 @@ def make_sl_entries(sl_entries, allow_negative_stock=False, via_landed_cost_vouc
 					_("Item {0} ignored since it is not a stock item").format(args.get("item_code"))
 				)
 
+		invalidate_future_sle_cache(sl_entries[0].get("voucher_type"), sl_entries[0].get("voucher_no"))
+
 
 def repost_current_voucher(args, allow_negative_stock=False, via_landed_cost_voucher=False, cancelled=False):
 	if args.get("actual_qty") or args.get("voucher_type") == "Stock Reconciliation":