fix: slowness in reposting dependent vouchers. (#42282)

(cherry picked from commit b17696a)

erpnext/stock/stock_ledger.py

@@ -267,6 +267,8 @@ def repost_future_sle(
 				"posting_time": args[i].get("posting_time"),
 				"creation": args[i].get("creation"),
 				"distinct_item_warehouses": distinct_item_warehouses,
+				"items_to_be_repost": args,
+				"current_index": i,
 			},
 			allow_negative_stock=allow_negative_stock,
 			via_landed_cost_voucher=via_landed_cost_voucher,
@@ -685,11 +687,20 @@ def update_distinct_item_warehouses(self, dependant_sle):
 			self.distinct_item_warehouses[key] = val
 			self.new_items_found = True
 		else:
+			# Check if the dependent voucher is reposted
+			# If not, then do not add it to the list
+			if not self.is_dependent_voucher_reposted(dependant_sle):
+				return
+
 			existing_sle_posting_date = self.distinct_item_warehouses[key].get("sle", {}).get("posting_date")
 
 			dependent_voucher_detail_nos = self.get_dependent_voucher_detail_nos(key)
-
 			if getdate(dependant_sle.posting_date) < getdate(existing_sle_posting_date):
+				if dependent_voucher_detail_nos and dependant_sle.voucher_detail_no in set(
+					dependent_voucher_detail_nos
+				):
+					return
+
 				val.sle_changed = True
 				dependent_voucher_detail_nos.append(dependant_sle.voucher_detail_no)
 				val.dependent_voucher_detail_nos = dependent_voucher_detail_nos
@@ -703,6 +714,27 @@ def update_distinct_item_warehouses(self, dependant_sle):
 				val.dependent_voucher_detail_nos = dependent_voucher_detail_nos
 				self.distinct_item_warehouses[key] = val
 
+	def is_dependent_voucher_reposted(self, dependant_sle) -> bool:
+		# Return False if the dependent voucher is not reposted
+
+		if self.args.items_to_be_repost and self.args.current_index:
+			index = self.args.current_index
+			while index < len(self.args.items_to_be_repost):
+				if (
+					self.args.items_to_be_repost[index].get("item_code") == dependant_sle.item_code
+					and self.args.items_to_be_repost[index].get("warehouse") == dependant_sle.warehouse
+				):
+					if getdate(self.args.items_to_be_repost[index].get("posting_date")) > getdate(
+						dependant_sle.posting_date
+					):
+						self.args.items_to_be_repost[index]["posting_date"] = dependant_sle.posting_date
+
+					return False
+
+				index += 1
+
+		return True
+
 	def get_dependent_voucher_detail_nos(self, key):
 		if "dependent_voucher_detail_nos" not in self.distinct_item_warehouses[key]:
 			self.distinct_item_warehouses[key].dependent_voucher_detail_nos = []