fix: don't add template item in sales/purchase transaction

(cherry picked from commit 2c83fff1a1)

# Conflicts:
#	erpnext/buying/doctype/purchase_order/test_purchase_order.py

erpnext/buying/doctype/purchase_order/test_purchase_order.py

@@ -1239,6 +1239,127 @@ class TestPurchaseOrder(FrappeTestCase):
 
 		automatically_fetch_payment_terms(enable=0)
 
+<<<<<<< HEAD
+=======
+	def test_internal_transfer_flow(self):
+		from erpnext.accounts.doctype.sales_invoice.sales_invoice import (
+			make_inter_company_purchase_invoice,
+		)
+		from erpnext.selling.doctype.sales_order.sales_order import (
+			make_delivery_note,
+			make_sales_invoice,
+		)
+		from erpnext.stock.doctype.delivery_note.delivery_note import make_inter_company_purchase_receipt
+
+		frappe.db.set_value("Selling Settings", None, "maintain_same_sales_rate", 1)
+		frappe.db.set_value("Buying Settings", None, "maintain_same_rate", 1)
+
+		prepare_data_for_internal_transfer()
+		supplier = "_Test Internal Supplier 2"
+
+		mr = make_material_request(
+			qty=2, company="_Test Company with perpetual inventory", warehouse="Stores - TCP1"
+		)
+
+		po = create_purchase_order(
+			company="_Test Company with perpetual inventory",
+			supplier=supplier,
+			warehouse="Stores - TCP1",
+			from_warehouse="_Test Internal Warehouse New 1 - TCP1",
+			qty=2,
+			rate=1,
+			material_request=mr.name,
+			material_request_item=mr.items[0].name,
+		)
+
+		so = make_inter_company_sales_order(po.name)
+		so.items[0].delivery_date = today()
+		self.assertEqual(so.items[0].warehouse, "_Test Internal Warehouse New 1 - TCP1")
+		self.assertTrue(so.items[0].purchase_order)
+		self.assertTrue(so.items[0].purchase_order_item)
+		so.submit()
+
+		dn = make_delivery_note(so.name)
+		dn.items[0].target_warehouse = "_Test Internal Warehouse GIT - TCP1"
+		self.assertEqual(dn.items[0].warehouse, "_Test Internal Warehouse New 1 - TCP1")
+		self.assertTrue(dn.items[0].purchase_order)
+		self.assertTrue(dn.items[0].purchase_order_item)
+
+		self.assertEqual(po.items[0].name, dn.items[0].purchase_order_item)
+		dn.submit()
+
+		pr = make_inter_company_purchase_receipt(dn.name)
+		self.assertEqual(pr.items[0].warehouse, "Stores - TCP1")
+		self.assertTrue(pr.items[0].purchase_order)
+		self.assertTrue(pr.items[0].purchase_order_item)
+		self.assertEqual(po.items[0].name, pr.items[0].purchase_order_item)
+		pr.submit()
+
+		si = make_sales_invoice(so.name)
+		self.assertEqual(si.items[0].warehouse, "_Test Internal Warehouse New 1 - TCP1")
+		self.assertTrue(si.items[0].purchase_order)
+		self.assertTrue(si.items[0].purchase_order_item)
+		si.submit()
+
+		pi = make_inter_company_purchase_invoice(si.name)
+		self.assertTrue(pi.items[0].purchase_order)
+		self.assertTrue(pi.items[0].po_detail)
+		pi.submit()
+		mr.reload()
+
+		po.load_from_db()
+		self.assertEqual(po.status, "Completed")
+		self.assertEqual(mr.status, "Received")
+
+	def test_variant_item_po(self):
+		po = create_purchase_order(item_code="_Test Variant Item", qty=1, rate=100, do_not_save=1)
+
+		self.assertRaises(frappe.ValidationError, po.save)
+
+
+def prepare_data_for_internal_transfer():
+	from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_internal_supplier
+	from erpnext.selling.doctype.customer.test_customer import create_internal_customer
+	from erpnext.stock.doctype.purchase_receipt.test_purchase_receipt import make_purchase_receipt
+	from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
+
+	company = "_Test Company with perpetual inventory"
+
+	create_internal_customer(
+		"_Test Internal Customer 2",
+		company,
+		company,
+	)
+
+	create_internal_supplier(
+		"_Test Internal Supplier 2",
+		company,
+		company,
+	)
+
+	warehouse = create_warehouse("_Test Internal Warehouse New 1", company=company)
+
+	create_warehouse("_Test Internal Warehouse GIT", company=company)
+
+	make_purchase_receipt(company=company, warehouse=warehouse, qty=2, rate=100)
+
+	if not frappe.db.get_value("Company", company, "unrealized_profit_loss_account"):
+		account = "Unrealized Profit and Loss - TCP1"
+		if not frappe.db.exists("Account", account):
+			frappe.get_doc(
+				{
+					"doctype": "Account",
+					"account_name": "Unrealized Profit and Loss",
+					"parent_account": "Direct Income - TCP1",
+					"company": company,
+					"is_group": 0,
+					"account_type": "Income Account",
+				}
+			).insert()
+
+		frappe.db.set_value("Company", company, "unrealized_profit_loss_account", account)
+
+>>>>>>> 2c83fff1a1 (fix: don't add template item in sales/purchase transaction)
 
 def make_pr_against_po(po, received_qty=0):
 	pr = make_purchase_receipt(po)
@@ -1342,8 +1463,8 @@ def create_purchase_order(**args):
 			},
 		)
 
-	po.set_missing_values()
 	if not args.do_not_save:
+		po.set_missing_values()
 		po.insert()
 		if not args.do_not_submit:
 			if po.is_subcontracted == "Yes":

erpnext/stock/get_item_details.py

@@ -226,8 +226,10 @@ def validate_item_details(args, item):
 
 	validate_end_of_life(item.name, item.end_of_life, item.disabled)
 
-	if args.transaction_type == "selling" and cint(item.has_variants):
+	if cint(item.has_variants):
-		throw(_("Item {0} is a template, please select one of its variants").format(item.name))
+		msg = f"Item {item.name} is a template, please select one of its variants"
+
+		throw(_(msg), title=_("Template Item Selected"))
 
 	elif args.transaction_type == "buying" and args.doctype != "Material Request":
 		if args.get("is_subcontracted") == "Yes" and item.is_sub_contracted_item != 1: