Merge pull request #30527 from rohitwaghchaure/feat-pick-list-item-reference-in-delivery-note

feat: minor, pick list item reference on delivery note item table
diff --git a/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json b/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
index f1f5d96..e2eb2a4 100644
--- a/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
+++ b/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
@@ -74,6 +74,7 @@
   "against_sales_invoice",
   "si_detail",
   "dn_detail",
+  "pick_list_item",
   "section_break_40",
   "batch_no",
   "serial_no",
@@ -762,13 +763,22 @@
    "fieldtype": "Check",
    "label": "Grant Commission",
    "read_only": 1
+  },
+  {
+   "fieldname": "pick_list_item",
+   "fieldtype": "Data",
+   "hidden": 1,
+   "label": "Pick List Item",
+   "no_copy": 1,
+   "print_hide": 1,
+   "read_only": 1
   }
  ],
  "idx": 1,
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-02-24 14:42:20.211085",
+ "modified": "2022-03-31 18:36:24.671913",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Delivery Note Item",
diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index 7061ee1..d3476a8 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -534,6 +534,7 @@
 			dn_item = map_child_doc(source_doc, delivery_note, table_mapper)
 
 			if dn_item:
+				dn_item.pick_list_item = location.name
 				dn_item.warehouse = location.warehouse
 				dn_item.qty = flt(location.picked_qty) / (flt(location.conversion_factor) or 1)
 				dn_item.batch_no = location.batch_no
diff --git a/erpnext/stock/doctype/pick_list/test_pick_list.py b/erpnext/stock/doctype/pick_list/test_pick_list.py
index 7496b6b..ec5011b 100644
--- a/erpnext/stock/doctype/pick_list/test_pick_list.py
+++ b/erpnext/stock/doctype/pick_list/test_pick_list.py
@@ -521,6 +521,8 @@
 			for dn_item in frappe.get_doc("Delivery Note", dn.name).get("items"):
 				self.assertEqual(dn_item.item_code, "_Test Item")
 				self.assertEqual(dn_item.against_sales_order, sales_order_1.name)
+				self.assertEqual(dn_item.pick_list_item, pick_list.locations[dn_item.idx - 1].name)
+
 		for dn in frappe.get_all(
 			"Delivery Note",
 			filters={"pick_list": pick_list.name, "customer": "_Test Customer 1"},