fix: user shouldn't able to make item price for item template

(cherry picked from commit 6417ae0ee8)

erpnext/stock/doctype/item_price/item_price.js

@@ -2,7 +2,18 @@
 // License: GNU General Public License v3. See license.txt
 
 frappe.ui.form.on("Item Price", {
-	onload: function (frm) {
+	setup(frm) {
+		frm.set_query("item_code", function() {
+			return {
+				filters: {
+					"disabled": 0,
+					"has_variants": 0
+				}
+			};
+		});
+	},
+
+	onload(frm) {
 		// Fetch price list details
 		frm.add_fetch("price_list", "buying", "buying");
 		frm.add_fetch("price_list", "selling", "selling");

erpnext/stock/doctype/item_price/item_price.py

@@ -3,7 +3,7 @@
 
 
 import frappe
-from frappe import _
+from frappe import _, bold
 from frappe.model.document import Document
 from frappe.utils import getdate
 
@@ -19,6 +19,7 @@ class ItemPrice(Document):
 		self.update_price_list_details()
 		self.update_item_details()
 		self.check_duplicates()
+		self.validate_item_template()
 
 	def validate_item(self):
 		if not frappe.db.exists("Item", self.item_code):
@@ -47,6 +48,12 @@ class ItemPrice(Document):
 				"Item", self.item_code, ["item_name", "description"]
 			)
 
+	def validate_item_template(self):
+		if frappe.get_cached_value("Item", self.item_code, "has_variants"):
+			msg = f"Item Price cannot be created for the template item {bold(self.item_code)}"
+
+			frappe.throw(_(msg))
+
 	def check_duplicates(self):
 		conditions = (
 			"""where item_code = %(item_code)s and price_list = %(price_list)s and name != %(name)s"""

erpnext/stock/doctype/item_price/test_item_price.py

@@ -16,6 +16,28 @@ class TestItemPrice(FrappeTestCase):
 		frappe.db.sql("delete from `tabItem Price`")
 		make_test_records_for_doctype("Item Price", force=True)
 
+	def test_template_item_price(self):
+		from erpnext.stock.doctype.item.test_item import make_item
+
+		item = make_item(
+			"Test Template Item 1",
+			{
+				"has_variants": 1,
+				"variant_based_on": "Manufacturer",
+			},
+		)
+
+		doc = frappe.get_doc(
+			{
+				"doctype": "Item Price",
+				"price_list": "_Test Price List",
+				"item_code": item.name,
+				"price_list_rate": 100,
+			}
+		)
+
+		self.assertRaises(frappe.ValidationError, doc.save)
+
 	def test_duplicate_item(self):
 		doc = frappe.copy_doc(test_records[0])
 		self.assertRaises(ItemPriceDuplicateItem, doc.save)