fix: allow to change the batch in the subcontracting receipt

erpnext/controllers/subcontracting_controller.py

@@ -576,30 +576,56 @@ def __add_supplied_item(self, item_row, bom_item, qty):
 				self.__set_batch_nos(bom_item, item_row, rm_obj, qty)
 
 		if self.doctype == "Subcontracting Receipt" and not use_serial_batch_fields:
-			args = frappe._dict(
-				{
-					"item_code": rm_obj.rm_item_code,
-					"warehouse": self.supplier_warehouse,
-					"posting_date": self.posting_date,
-					"posting_time": self.posting_time,
-					"qty": -1 * flt(rm_obj.consumed_qty),
-					"actual_qty": -1 * flt(rm_obj.consumed_qty),
-					"voucher_type": self.doctype,
-					"voucher_no": self.name,
-					"voucher_detail_no": item_row.name,
-					"company": self.company,
-					"allow_zero_valuation": 1,
-				}
-			)
-
 			rm_obj.serial_and_batch_bundle = self.__set_serial_and_batch_bundle(
 				item_row, rm_obj, rm_obj.consumed_qty
 			)
 
-			if rm_obj.serial_and_batch_bundle:
-				args["serial_and_batch_bundle"] = rm_obj.serial_and_batch_bundle
+			self.set_rate_for_supplied_items(rm_obj, item_row)
+
+	def update_rate_for_supplied_items(self):
+		if self.doctype != "Subcontracting Receipt":
+			return
+
+		for row in self.supplied_items:
+			item_row = None
+			if row.reference_name:
+				item_row = self.get_item_row(row.reference_name)
+
+			if not item_row:
+				continue
+
+			self.set_rate_for_supplied_items(row, item_row)
+
+	def get_item_row(self, reference_name):
+		for item in self.items:
+			if item.name == reference_name:
+				return item
+
+	def set_rate_for_supplied_items(self, rm_obj, item_row):
+		args = frappe._dict(
+			{
+				"item_code": rm_obj.rm_item_code,
+				"warehouse": self.supplier_warehouse,
+				"posting_date": self.posting_date,
+				"posting_time": self.posting_time,
+				"qty": -1 * flt(rm_obj.consumed_qty),
+				"actual_qty": -1 * flt(rm_obj.consumed_qty),
+				"voucher_type": self.doctype,
+				"voucher_no": self.name,
+				"voucher_detail_no": item_row.name,
+				"company": self.company,
+				"allow_zero_valuation": 1,
+			}
+		)
+
+		if rm_obj.serial_and_batch_bundle:
+			args["serial_and_batch_bundle"] = rm_obj.serial_and_batch_bundle
+
+		if rm_obj.use_serial_batch_fields:
+			args["batch_no"] = rm_obj.batch_no
+			args["serial_no"] = rm_obj.serial_no
 
-			rm_obj.rate = get_incoming_rate(args)
+		rm_obj.rate = get_incoming_rate(args)
 
 	def __set_batch_nos(self, bom_item, item_row, rm_obj, qty):
 		key = (rm_obj.rm_item_code, item_row.item_code, item_row.get(self.subcontract_data.order_field))

erpnext/subcontracting/doctype/subcontracting_receipt/subcontracting_receipt.js

@@ -249,11 +249,15 @@ frappe.ui.form.on("Subcontracting Receipt", {
 		});
 
 		frm.set_query("batch_no", "supplied_items", (doc, cdt, cdn) => {
-			var row = locals[cdt][cdn];
+			let row = locals[cdt][cdn];
+			let filters = {
+				item_code: row.rm_item_code,
+				warehouse: doc.supplier_warehouse,
+			};
+
 			return {
-				filters: {
-					item: row.rm_item_code,
-				},
+				query: "erpnext.controllers.queries.get_batch_no",
+				filters: filters,
 			};
 		});
 

erpnext/subcontracting/doctype/subcontracting_receipt/subcontracting_receipt.py

@@ -257,9 +257,14 @@ def reset_supplied_items(self):
 			frappe.db.get_single_value("Buying Settings", "backflush_raw_materials_of_subcontract_based_on")
 			== "BOM"
 			and self.supplied_items
-			and not any(item.serial_and_batch_bundle for item in self.supplied_items)
 		):
-			self.supplied_items = []
+			if not any(
+				item.serial_and_batch_bundle or item.batch_no or item.serial_no
+				for item in self.supplied_items
+			):
+				self.supplied_items = []
+			else:
+				self.update_rate_for_supplied_items()
 
 	@frappe.whitelist()
 	def get_scrap_items(self, recalculate_rate=False):

erpnext/subcontracting/doctype/subcontracting_receipt/test_subcontracting_receipt.py

@@ -1361,6 +1361,66 @@ def test_subcontracting_receipt_for_batch_materials_without_use_serial_batch_fie
 
 		frappe.db.set_single_value("Stock Settings", "use_serial_batch_fields", 1)
 
+	def test_change_batch_for_raw_materials(self):
+		set_backflush_based_on("BOM")
+
+		fg_item = make_item(properties={"is_stock_item": 1, "is_sub_contracted_item": 1}).name
+		rm_item1 = make_item(
+			properties={
+				"is_stock_item": 1,
+				"has_batch_no": 1,
+				"create_new_batch": 1,
+				"batch_number_series": "BNGS-.####",
+			}
+		).name
+
+		bom = make_bom(item=fg_item, raw_materials=[rm_item1])
+		second_batch_no = None
+		for row in bom.items:
+			se = make_stock_entry(
+				item_code=row.item_code,
+				qty=1,
+				target="_Test Warehouse 1 - _TC",
+				rate=300,
+			)
+
+			se.reload()
+			se1 = make_stock_entry(
+				item_code=row.item_code,
+				qty=1,
+				target="_Test Warehouse 1 - _TC",
+				rate=300,
+			)
+
+			se1.reload()
+
+			second_batch_no = get_batch_from_bundle(se1.items[0].serial_and_batch_bundle)
+
+		service_items = [
+			{
+				"warehouse": "_Test Warehouse - _TC",
+				"item_code": "Subcontracted Service Item 1",
+				"qty": 1,
+				"rate": 100,
+				"fg_item": fg_item,
+				"fg_item_qty": 1,
+			},
+		]
+		sco = get_subcontracting_order(service_items=service_items)
+		scr = make_subcontracting_receipt(sco.name)
+		scr.save()
+		scr.reload()
+
+		scr.supplied_items[0].batch_no = second_batch_no
+		scr.supplied_items[0].use_serial_batch_fields = 1
+		scr.submit()
+		scr.reload()
+
+		batch_no = get_batch_from_bundle(scr.supplied_items[0].serial_and_batch_bundle)
+		self.assertEqual(batch_no, second_batch_no)
+		self.assertEqual(scr.items[0].rm_cost_per_qty, 300)
+		self.assertEqual(scr.items[0].service_cost_per_qty, 100)
+
 
 def make_return_subcontracting_receipt(**args):
 	args = frappe._dict(args)