fix: fetch rate from item price list when document is saved

erpnext/controllers/accounts_controller.py

@@ -819,7 +819,7 @@ class AccountsController(TransactionBase):
 								item.get(fieldname) is None
 								or fieldname in force_item_fields
 								or (
-									fieldname in ["serial_no", "batch_no"]
+									fieldname in ["serial_no", "batch_no", "rate", "price_list_rate"]
 									and item.get("use_serial_batch_fields")
 								)
 							):

erpnext/stock/get_item_details.py

@@ -212,13 +212,21 @@ def update_stock(ctx, out, doc=None):
 				filter_batches(batches, doc)
 
 			for batch_no, batch_qty in batches.items():
+				rate = get_batch_based_item_price(
+					{"price_list": doc.selling_price_list, "uom": out.uom, "batch_no": batch_no},
+					out.item_code,
+				)
 				if batch_qty >= qty:
 					out.update({"batch_no": batch_no, "actual_batch_qty": qty})
+					if rate:
+						out.update({"rate": rate, "price_list_rate": rate})
 					break
 				else:
 					qty -= batch_qty
 
-				out.update({"batch_no": batch_no, "actual_batch_qty": batch_qty})
+				out.update({"batch_no": batch_no, "actual_batch_qty": qty})
+				if rate:
+					out.update({"rate": rate, "price_list_rate": rate})
 
 		if out.has_serial_no and out.has_batch_no and has_incorrect_serial_nos(ctx, out):
 			kwargs["batches"] = [ctx.get("batch_no")] if ctx.get("batch_no") else [out.get("batch_no")]