Merge pull request #34851 from rohitwaghchaure/fixed-too-many-writes-error-in-stock-reco

fix: too many writes error while making backdated stock reconciliation
diff --git a/erpnext/controllers/stock_controller.py b/erpnext/controllers/stock_controller.py
index 1e4fabe..479fef7 100644
--- a/erpnext/controllers/stock_controller.py
+++ b/erpnext/controllers/stock_controller.py
@@ -859,6 +859,8 @@
 
 def future_sle_exists(args, sl_entries=None):
 	key = (args.voucher_type, args.voucher_no)
+	if not hasattr(frappe.local, "future_sle"):
+		frappe.local.future_sle = {}
 
 	if validate_future_sle_not_exists(args, key, sl_entries):
 		return False
@@ -892,6 +894,9 @@
 	)
 
 	for d in data:
+		if key not in frappe.local.future_sle:
+			frappe.local.future_sle[key] = frappe._dict({})
+
 		frappe.local.future_sle[key][(d.item_code, d.warehouse)] = d.total_row
 
 	return len(data)
@@ -903,6 +908,9 @@
 		item_key = (args.get("item_code"), args.get("warehouse"))
 
 	if not sl_entries and hasattr(frappe.local, "future_sle"):
+		if key not in frappe.local.future_sle:
+			return False
+
 		if not frappe.local.future_sle.get(key) or (
 			item_key and item_key not in frappe.local.future_sle.get(key)
 		):
@@ -910,11 +918,8 @@
 
 
 def get_cached_data(args, key):
-	if not hasattr(frappe.local, "future_sle"):
-		frappe.local.future_sle = {}
-
 	if key not in frappe.local.future_sle:
-		frappe.local.future_sle[key] = frappe._dict({})
+		return False
 
 	if args.get("item_code"):
 		item_key = (args.get("item_code"), args.get("warehouse"))
diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
index e304bd1..3fd4cec 100644
--- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
@@ -571,24 +571,33 @@
 			self._cancel()
 
 	def recalculate_current_qty(self, item_code, batch_no):
+		from erpnext.stock.stock_ledger import get_valuation_rate
+
+		sl_entries = []
 		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(
+			current_qty = get_batch_qty_for_stock_reco(
 				item_code, row.warehouse, batch_no, self.posting_date, self.posting_time, self.name
 			)
 
-			qty, val_rate = get_stock_balance(
-				item_code,
-				row.warehouse,
-				self.posting_date,
-				self.posting_time,
-				with_valuation_rate=True,
+			precesion = row.precision("current_qty")
+			if flt(current_qty, precesion) == flt(row.current_qty, precesion):
+				continue
+
+			val_rate = get_valuation_rate(
+				item_code, row.warehouse, self.doctype, self.name, company=self.company, batch_no=batch_no
 			)
 
 			row.current_valuation_rate = val_rate
+			if not row.current_qty and current_qty:
+				sle = self.get_sle_for_items(row)
+				sle.actual_qty = current_qty * -1
+				sle.valuation_rate = val_rate
+				sl_entries.append(sle)
 
+			row.current_qty = current_qty
 			row.db_set(
 				{
 					"current_qty": row.current_qty,
@@ -597,6 +606,9 @@
 				}
 			)
 
+		if sl_entries:
+			self.make_sl_entries(sl_entries)
+
 
 def get_batch_qty_for_stock_reco(
 	item_code, warehouse, batch_no, posting_date, posting_time, voucher_no
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index b0a093d..03c04a5 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -545,6 +545,14 @@
 			self.get_dynamic_incoming_outgoing_rate(sle)
 
 		if (
+			sle.voucher_type == "Stock Reconciliation"
+			and sle.batch_no
+			and sle.voucher_detail_no
+			and sle.actual_qty < 0
+		):
+			self.reset_actual_qty_for_stock_reco(sle)
+
+		if (
 			sle.voucher_type in ["Purchase Receipt", "Purchase Invoice"]
 			and sle.voucher_detail_no
 			and sle.actual_qty < 0
@@ -605,6 +613,16 @@
 		if not self.args.get("sle_id"):
 			self.update_outgoing_rate_on_transaction(sle)
 
+	def reset_actual_qty_for_stock_reco(self, sle):
+		current_qty = frappe.get_cached_value(
+			"Stock Reconciliation Item", sle.voucher_detail_no, "current_qty"
+		)
+
+		if current_qty:
+			sle.actual_qty = current_qty * -1
+		elif current_qty == 0:
+			sle.is_cancelled = 1
+
 	def validate_negative_stock(self, sle):
 		"""
 		validate negative stock for entries current datetime onwards
@@ -1369,12 +1387,7 @@
 
 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()
 	doc.repost_future_sle_and_gle()
 
 
@@ -1401,34 +1414,50 @@
 	return stock_reco_qty_shift
 
 
-def get_next_stock_reco(args):
+def get_next_stock_reco(kwargs):
 	"""Returns next nearest stock reconciliaton's details."""
 
-	return frappe.db.sql(
-		"""
-		select
-			name, posting_date, posting_time, creation, voucher_no, item_code, batch_no, actual_qty
-		from
-			`tabStock Ledger Entry`
-		where
-			item_code = %(item_code)s
-			and warehouse = %(warehouse)s
-			and voucher_type = 'Stock Reconciliation'
-			and voucher_no != %(voucher_no)s
-			and is_cancelled = 0
-			and (timestamp(posting_date, posting_time) > timestamp(%(posting_date)s, %(posting_time)s)
-				or (
-					timestamp(posting_date, posting_time) = timestamp(%(posting_date)s, %(posting_time)s)
-					and creation > %(creation)s
+	sle = frappe.qb.DocType("Stock Ledger Entry")
+
+	query = (
+		frappe.qb.from_(sle)
+		.select(
+			sle.name,
+			sle.posting_date,
+			sle.posting_time,
+			sle.creation,
+			sle.voucher_no,
+			sle.item_code,
+			sle.batch_no,
+			sle.actual_qty,
+		)
+		.where(
+			(sle.item_code == kwargs.get("item_code"))
+			& (sle.warehouse == kwargs.get("warehouse"))
+			& (sle.voucher_type == "Stock Reconciliation")
+			& (sle.voucher_no != kwargs.get("voucher_no"))
+			& (sle.is_cancelled == 0)
+			& (
+				(
+					CombineDatetime(sle.posting_date, sle.posting_time)
+					> CombineDatetime(kwargs.get("posting_date"), kwargs.get("posting_time"))
+					| (
+						(
+							CombineDatetime(sle.posting_date, sle.posting_time)
+							== CombineDatetime(kwargs.get("posting_date"), kwargs.get("posting_time"))
+						)
+						& (sle.creation > kwargs.get("creation"))
+					)
 				)
 			)
-		order by timestamp(posting_date, posting_time) asc, creation asc
-		limit 1
-	""",
-		args,
-		as_dict=1,
+		)
 	)
 
+	if kwargs.get("batch_no"):
+		query.where(sle.batch_no == kwargs.get("batch_no"))
+
+	return query.run(as_dict=True)
+
 
 def get_datetime_limit_condition(detail):
 	return f"""