fix: opening stock not working for serial / batch (#51781)

erpnext/stock/doctype/item/item.py

@@ -183,6 +183,22 @@ class Item(Document):
 				self.add_price(default.default_price_list)
 
 		if self.opening_stock:
+			if self.opening_stock > 10000 and self.has_serial_no:
+				frappe.enqueue(
+					self.set_opening_stock,
+					queue="long",
+					timeout=600,
+					job_name=f"set_opening_stock_for_{self.name}",
+				)
+				frappe.msgprint(
+					_(
+						"Opening stock creation has been queued and will be created in the background. Please check the stock entry after some time."
+					),
+					indicator="orange",
+					alert=True,
+				)
+
+			else:
 				self.set_opening_stock()
 
 	def validate(self):
@@ -264,7 +280,11 @@ class Item(Document):
 
 	def set_opening_stock(self):
 		"""set opening stock"""
-		if not self.is_stock_item or self.has_serial_no or self.has_batch_no:
+		if (
+			not self.is_stock_item
+			or (self.has_serial_no and not self.serial_no_series)
+			or (self.has_batch_no and (not self.create_new_batch or not self.batch_number_series))
+		):
 			return
 
 		if not self.valuation_rate and not self.standard_rate and not self.is_customer_provided_item:

erpnext/stock/doctype/item/test_item.py

@@ -957,6 +957,43 @@ class TestItem(IntegrationTestCase):
 			msg="Different Variant UOM should not be allowed when `allow_different_uom` is disabled.",
 		)
 
+	def test_opening_stock_for_serial_batch(self):
+		items = {
+			"Test Opening Stock for Serial No": {
+				"has_serial_no": 1,
+				"opening_stock": 5,
+				"serial_no_series": "SN-TOPN-.####",
+				"valuation_rate": 100,
+			},
+			"Test Opening Stock for Batch No": {
+				"has_batch_no": 1,
+				"opening_stock": 5,
+				"batch_number_series": "BCH-TOPN-.####",
+				"valuation_rate": 100,
+				"create_new_batch": 1,
+			},
+			"Test Opening Stock for Serial and Batch No": {
+				"has_serial_no": 1,
+				"has_batch_no": 1,
+				"opening_stock": 5,
+				"batch_number_series": "SN-BCH-TOPN-.####",
+				"serial_no_series": "BCH-SN-TOPN-.####",
+				"valuation_rate": 100,
+				"create_new_batch": 1,
+			},
+		}
+
+		for item_code, properties in items.items():
+			make_item(item_code, properties)
+
+			serial_and_batch_bundle = frappe.db.get_value(
+				"Stock Entry Detail", {"docstatus": 1, "item_code": item_code}, "serial_and_batch_bundle"
+			)
+			self.assertTrue(serial_and_batch_bundle)
+
+			sabb_qty = frappe.db.get_value("Serial and Batch Bundle", serial_and_batch_bundle, "total_qty")
+			self.assertEqual(sabb_qty, properties["opening_stock"])
+
 
 def set_item_variant_settings(fields):
 	doc = frappe.get_doc("Item Variant Settings")