Merge pull request #35718 from frappe/mergify/bp/version-14-hotfix/pr…

…-35711

fix: incorrect gl entries for standalone debit note (backport #35711)

erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py

@@ -637,13 +637,6 @@ def test_standalone_return_using_pi(self):
 			gle_filters={"account": "Stock In Hand - TCP1"},
 		)
 
-		# assert loss booked in COGS
-		self.assertGLEs(
-			return_pi,
-			[{"credit": 0, "debit": 200}],
-			gle_filters={"account": "Cost of Goods Sold - TCP1"},
-		)
-
 	def test_return_with_lcv(self):
 		from erpnext.controllers.sales_and_purchase_return import make_return_doc
 		from erpnext.stock.doctype.landed_cost_voucher.test_landed_cost_voucher import (
@@ -1662,6 +1655,21 @@ def test_batch_expiry_for_purchase_invoice(self):
 
 		self.assertTrue(return_pi.docstatus == 1)
 
+	def test_gl_entries_for_standalone_debit_note(self):
+		make_purchase_invoice(qty=5, rate=500, update_stock=True)
+
+		returned_inv = make_purchase_invoice(qty=-5, rate=5, update_stock=True, is_return=True)
+
+		# override the rate with valuation rate
+		sle = frappe.get_all(
+			"Stock Ledger Entry",
+			fields=["stock_value_difference", "actual_qty"],
+			filters={"voucher_no": returned_inv.name},
+		)[0]
+
+		rate = flt(sle.stock_value_difference) / flt(sle.actual_qty)
+		self.assertAlmostEqual(returned_inv.items[0].rate, rate)
+
 
 def check_gl_entries(doc, voucher_no, expected_gle, posting_date):
 	gl_entries = frappe.db.sql(

erpnext/controllers/buying_controller.py

@@ -30,6 +30,8 @@ def get_feed(self):
 			return _("From {0} | {1} {2}").format(self.supplier_name, self.currency, self.grand_total)
 
 	def validate(self):
+		self.set_rate_for_standalone_debit_note()
+
 		super(BuyingController, self).validate()
 		if getattr(self, "supplier", None) and not self.supplier_name:
 			self.supplier_name = frappe.db.get_value("Supplier", self.supplier, "supplier_name")
@@ -72,6 +74,30 @@ def onload(self):
 			),
 		)
 
+	def set_rate_for_standalone_debit_note(self):
+		if self.get("is_return") and self.get("update_stock") and not self.return_against:
+			for row in self.items:
+
+				# override the rate with valuation rate
+				row.rate = get_incoming_rate(
+					{
+						"item_code": row.item_code,
+						"warehouse": row.warehouse,
+						"posting_date": self.get("posting_date"),
+						"posting_time": self.get("posting_time"),
+						"qty": row.qty,
+						"serial_and_batch_bundle": row.get("serial_and_batch_bundle"),
+						"company": self.company,
+						"voucher_type": self.doctype,
+						"voucher_no": self.name,
+					},
+					raise_error_if_no_rate=False,
+				)
+
+				row.discount_percentage = 0.0
+				row.discount_amount = 0.0
+				row.margin_rate_or_amount = 0.0
+
 	def set_missing_values(self, for_validate=False):
 		super(BuyingController, self).set_missing_values(for_validate)