fix: resolve gl entries duplication in asset purchase workflow (#41845)

* fix: resolve gl entries duplication in asset purchase workflow

* fix: prevent duplicate entry when creating purchase receipt from purchase invoice

* chore: test case added

* fix: fixed missing asset category issue

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -550,6 +550,21 @@ class PurchaseInvoice(BuyingController):
 						item.expense_account = stock_not_billed_account
 			elif item.is_fixed_asset:
 				account = None
+				if not item.pr_detail and item.po_detail:
+					receipt_item = frappe.get_cached_value(
+						"Purchase Receipt Item",
+						{
+							"purchase_order": item.purchase_order,
+							"purchase_order_item": item.po_detail,
+							"docstatus": 1,
+						},
+						["name", "parent"],
+						as_dict=1,
+					)
+					if receipt_item:
+						item.pr_detail = receipt_item.name
+						item.purchase_receipt = receipt_item.parent
+
 				if item.pr_detail:
 					if not self.asset_received_but_not_billed:
 						self.asset_received_but_not_billed = self.get_company_default(

erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py

@@ -10,7 +10,11 @@ import erpnext
 from erpnext.accounts.doctype.account.test_account import create_account, get_inventory_account
 from erpnext.accounts.doctype.payment_entry.payment_entry import get_payment_entry
 from erpnext.buying.doctype.purchase_order.purchase_order import get_mapped_purchase_invoice
-from erpnext.buying.doctype.purchase_order.test_purchase_order import create_purchase_order
+from erpnext.buying.doctype.purchase_order.purchase_order import make_purchase_invoice as make_pi_from_po
+from erpnext.buying.doctype.purchase_order.test_purchase_order import (
+	create_pr_against_po,
+	create_purchase_order,
+)
 from erpnext.buying.doctype.supplier.test_supplier import create_supplier
 from erpnext.controllers.accounts_controller import InvalidQtyError, get_payment_terms
 from erpnext.controllers.buying_controller import QtyMismatchError
@@ -2195,6 +2199,56 @@ class TestPurchaseInvoice(FrappeTestCase, StockTestMixin):
 				self.assertEqual(row.serial_no, "\n".join(serial_nos[:2]))
 				self.assertEqual(row.rejected_serial_no, serial_nos[2])
 
+	def test_make_pr_and_pi_from_po(self):
+		from erpnext.assets.doctype.asset.test_asset import create_asset_category
+
+		if not frappe.db.exists("Asset Category", "Computers"):
+			create_asset_category()
+
+		item = create_item(
+			item_code="_Test_Item", is_stock_item=0, is_fixed_asset=1, asset_category="Computers"
+		)
+		po = create_purchase_order(item_code=item.item_code)
+		pr = create_pr_against_po(po.name, 10)
+		pi = make_pi_from_po(po.name)
+		pi.insert()
+		pi.submit()
+
+		pr_gl_entries = frappe.db.sql(
+			"""select account, debit, credit
+			from `tabGL Entry` where voucher_type='Purchase Receipt' and voucher_no=%s
+			order by account asc""",
+			pr.name,
+			as_dict=1,
+		)
+
+		pr_expected_values = [
+			["Asset Received But Not Billed - _TC", 0, 5000],
+			["CWIP Account - _TC", 5000, 0],
+		]
+
+		for i, gle in enumerate(pr_gl_entries):
+			self.assertEqual(pr_expected_values[i][0], gle.account)
+			self.assertEqual(pr_expected_values[i][1], gle.debit)
+			self.assertEqual(pr_expected_values[i][2], gle.credit)
+
+		pi_gl_entries = frappe.db.sql(
+			"""select account, debit, credit
+			from `tabGL Entry` where voucher_type='Purchase Invoice' and voucher_no=%s
+			order by account asc""",
+			pi.name,
+			as_dict=1,
+		)
+		pi_expected_values = [
+			["Asset Received But Not Billed - _TC", 5000, 0],
+			["Creditors - _TC", 0, 5000],
+		]
+
+		for i, gle in enumerate(pi_gl_entries):
+			self.assertEqual(pi_expected_values[i][0], gle.account)
+			self.assertEqual(pi_expected_values[i][1], gle.debit)
+			self.assertEqual(pi_expected_values[i][2], gle.credit)
+
 
 def set_advance_flag(company, flag, default_account):
 	frappe.db.set_value(

erpnext/stock/doctype/purchase_receipt/purchase_receipt.py

@@ -662,7 +662,7 @@ class PurchaseReceipt(BuyingController):
 
 				if not (
 					(erpnext.is_perpetual_inventory_enabled(self.company) and d.item_code in stock_items)
-					or d.is_fixed_asset
+					or (d.is_fixed_asset and not d.purchase_invoice)
 				):
 					continue