fix: item_query in pos_invoice (backport #43257)

erpnext/accounts/doctype/pos_invoice/pos_invoice.js

@@ -40,6 +40,19 @@ erpnext.selling.POSInvoiceController = class POSInvoiceController extends erpnex
 			};
 		});
 
+		this.frm.set_query("item_code", "items", function (doc) {
+			return {
+				query: "erpnext.accounts.doctype.pos_invoice.pos_invoice.item_query",
+				filters: {
+					has_variants: ["=", 0],
+					is_sales_item: ["=", 1],
+					disabled: ["=", 0],
+					is_fixed_asset: ["=", 0],
+					pos_profile: ["=", doc.pos_profile],
+				},
+			};
+		});
+
 		erpnext.accounts.dimensions.setup_dimension_filters(this.frm, this.frm.doctype);
 	}
 

erpnext/accounts/doctype/pos_invoice/pos_invoice.py

@@ -6,6 +6,7 @@
 from frappe import _, bold
 from frappe.query_builder.functions import IfNull, Sum
 from frappe.utils import cint, flt, get_link_to_form, getdate, nowdate
+from frappe.utils.nestedset import get_descendants_of
 
 from erpnext.accounts.doctype.loyalty_program.loyalty_program import validate_loyalty_points
 from erpnext.accounts.doctype.payment_request.payment_request import make_payment_request
@@ -15,6 +16,7 @@
 	update_multi_mode_option,
 )
 from erpnext.accounts.party import get_due_date, get_party_account
+from erpnext.controllers.queries import item_query as _item_query
 from erpnext.stock.doctype.serial_no.serial_no import get_serial_nos
 
 
@@ -837,3 +839,29 @@ def append_payment(payment_mode):
 		]:
 			payment_mode = get_mode_of_payment_info(mode_of_payment, doc.company)
 			append_payment(payment_mode[0])
+
+
+@frappe.whitelist()
+@frappe.validate_and_sanitize_search_inputs
+def item_query(doctype, txt, searchfield, start, page_len, filters, as_dict=False):
+	if pos_profile := filters.get("pos_profile")[1]:
+		pos_profile = frappe.get_cached_doc("POS Profile", pos_profile)
+		if item_groups := get_item_group(pos_profile):
+			filters["item_group"] = ["in", tuple(item_groups)]
+
+		del filters["pos_profile"]
+
+	else:
+		filters.pop("pos_profile", None)
+
+	return _item_query(doctype, txt, searchfield, start, page_len, filters, as_dict)
+
+
+def get_item_group(pos_profile):
+	item_groups = []
+	if pos_profile.get("item_groups"):
+		# Get items based on the item groups defined in the POS profile
+		for row in pos_profile.get("item_groups"):
+			item_groups.extend(get_descendants_of("Item Group", row.item_group))
+
+	return list(set(item_groups))