fix: incorrect stock balance quantity for batch item

(cherry picked from commit ef4bd77)

erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py

@@ -5,6 +5,7 @@
 
 import frappe
 from frappe import _, bold, msgprint
+from frappe.query_builder.functions import Sum
 from frappe.utils import cint, cstr, flt
 
 import erpnext
@@ -569,6 +570,54 @@ def cancel(self):
 		else:
 			self._cancel()
 
+	def recalculate_current_qty(self, item_code, batch_no):
+		for row in self.items:
+			if not (row.item_code == item_code and row.batch_no == batch_no):
+				continue
+
+			row.current_qty = get_batch_qty_for_stock_reco(item_code, row.warehouse, batch_no)
+
+			qty, val_rate = get_stock_balance(
+				item_code,
+				row.warehouse,
+				self.posting_date,
+				self.posting_time,
+				with_valuation_rate=True,
+			)
+
+			row.current_valuation_rate = val_rate
+
+			row.db_set(
+				{
+					"current_qty": row.current_qty,
+					"current_valuation_rate": row.current_valuation_rate,
+					"current_amount": flt(row.current_qty * row.current_valuation_rate),
+				}
+			)
+
+
+def get_batch_qty_for_stock_reco(item_code, warehouse, batch_no):
+	ledger = frappe.qb.DocType("Stock Ledger Entry")
+
+	query = (
+		frappe.qb.from_(ledger)
+		.select(
+			Sum(ledger.actual_qty).as_("batch_qty"),
+		)
+		.where(
+			(ledger.item_code == item_code)
+			& (ledger.warehouse == warehouse)
+			& (ledger.docstatus == 1)
+			& (ledger.is_cancelled == 0)
+			& (ledger.batch_no == batch_no)
+		)
+		.groupby(ledger.batch_no)
+	)
+
+	sle = query.run(as_dict=True)
+
+	return flt(sle[0].batch_qty) if sle else 0
+
 
 @frappe.whitelist()
 def get_items(

erpnext/stock/stock_ledger.py

@@ -1337,6 +1337,9 @@ def update_qty_in_future_sle(args, allow_negative_stock=False):
 	next_stock_reco_detail = get_next_stock_reco(args)
 	if next_stock_reco_detail:
 		detail = next_stock_reco_detail[0]
+		if detail.batch_no:
+			regenerate_sle_for_batch_stock_reco(detail)
+
 		# add condition to update SLEs before this date & time
 		datetime_limit_condition = get_datetime_limit_condition(detail)
 
@@ -1364,6 +1367,16 @@ def update_qty_in_future_sle(args, allow_negative_stock=False):
 	validate_negative_qty_in_future_sle(args, allow_negative_stock)
 
 
+def regenerate_sle_for_batch_stock_reco(detail):
+	doc = frappe.get_cached_doc("Stock Reconciliation", detail.voucher_no)
+	doc.docstatus = 2
+	doc.update_stock_ledger()
+
+	doc.recalculate_current_qty(detail.item_code, detail.batch_no)
+	doc.docstatus = 1
+	doc.update_stock_ledger()
+
+
 def get_stock_reco_qty_shift(args):
 	stock_reco_qty_shift = 0
 	if args.get("is_cancelled"):
@@ -1393,7 +1406,7 @@ def get_next_stock_reco(args):
 	return frappe.db.sql(
 		"""
 		select
-			name, posting_date, posting_time, creation, voucher_no
+			name, posting_date, posting_time, creation, voucher_no, item_code, batch_no, actual_qty
 		from
 			`tabStock Ledger Entry`
 		where