fix: backport of #32226

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -7,17 +7,7 @@ from frappe import _, msgprint, throw
 from frappe.contacts.doctype.address.address import get_address_display
 from frappe.model.mapper import get_mapped_doc
 from frappe.model.utils import get_fetch_values
-from frappe.utils import (
+from frappe.utils import add_days, cint, cstr, flt, formatdate, get_link_to_form, getdate, nowdate
-	add_days,
-	add_months,
-	cint,
-	cstr,
-	flt,
-	formatdate,
-	get_link_to_form,
-	getdate,
-	nowdate,
-)
 from six import iteritems
 
 import erpnext
@@ -33,10 +23,12 @@ from erpnext.accounts.general_ledger import get_round_off_account_and_cost_cente
 from erpnext.accounts.party import get_due_date, get_party_account, get_party_details
 from erpnext.accounts.utils import get_account_currency
 from erpnext.assets.doctype.asset.depreciation import (
+	depreciate_asset,
 	get_disposal_account_and_cost_center,
 	get_gl_entries_on_asset_disposal,
 	get_gl_entries_on_asset_regain,
-	make_depreciation_entry,
+	reset_depreciation_schedule,
+	reverse_depreciation_entry_made_after_disposal,
 )
 from erpnext.controllers.accounts_controller import validate_account_head
 from erpnext.controllers.selling_controller import SellingController
@@ -1114,18 +1106,20 @@ class SalesInvoice(SellingController):
 					asset = self.get_asset(item)
 
 					if self.is_return:
-						if asset.calculate_depreciation:
-							self.reverse_depreciation_entry_made_after_sale(asset)
-							self.reset_depreciation_schedule(asset)
-
 						fixed_asset_gl_entries = get_gl_entries_on_asset_regain(
 							asset, item.base_net_amount, item.finance_book
 						)
 						asset.db_set("disposal_date", None)
 
+						if asset.calculate_depreciation:
+							posting_date = frappe.db.get_value("Sales Invoice", self.return_against, "posting_date")
+							reverse_depreciation_entry_made_after_disposal(asset, posting_date)
+							reset_depreciation_schedule(asset, self.posting_date)
+
 					else:
 						if asset.calculate_depreciation:
-							self.depreciate_asset(asset)
+							depreciate_asset(asset, self.posting_date)
+							asset.reload()
 
 						fixed_asset_gl_entries = get_gl_entries_on_asset_disposal(
 							asset, item.base_net_amount, item.finance_book
@@ -1193,95 +1187,6 @@ class SalesInvoice(SellingController):
 				_("Select finance book for the item {0} at row {1}").format(item.item_code, item.idx)
 			)
 
-	def depreciate_asset(self, asset):
-		asset.flags.ignore_validate_update_after_submit = True
-		asset.prepare_depreciation_data(date_of_sale=self.posting_date)
-		asset.save()
-
-		make_depreciation_entry(asset.name, self.posting_date)
-		asset.load_from_db()
-
-	def reset_depreciation_schedule(self, asset):
-		asset.flags.ignore_validate_update_after_submit = True
-
-		# recreate original depreciation schedule of the asset
-		asset.prepare_depreciation_data(date_of_return=self.posting_date)
-
-		self.modify_depreciation_schedule_for_asset_repairs(asset)
-		asset.save()
-		asset.load_from_db()
-
-	def modify_depreciation_schedule_for_asset_repairs(self, asset):
-		asset_repairs = frappe.get_all(
-			"Asset Repair", filters={"asset": asset.name}, fields=["name", "increase_in_asset_life"]
-		)
-
-		for repair in asset_repairs:
-			if repair.increase_in_asset_life:
-				asset_repair = frappe.get_doc("Asset Repair", repair.name)
-				asset_repair.modify_depreciation_schedule()
-				asset.prepare_depreciation_data()
-
-	def reverse_depreciation_entry_made_after_sale(self, asset):
-		from erpnext.accounts.doctype.journal_entry.journal_entry import make_reverse_journal_entry
-
-		posting_date_of_original_invoice = self.get_posting_date_of_sales_invoice()
-
-		row = -1
-		finance_book = asset.get("schedules")[0].get("finance_book")
-		for schedule in asset.get("schedules"):
-			if schedule.finance_book != finance_book:
-				row = 0
-				finance_book = schedule.finance_book
-			else:
-				row += 1
-
-			if schedule.schedule_date == posting_date_of_original_invoice:
-				if not self.sale_was_made_on_original_schedule_date(
-					asset, schedule, row, posting_date_of_original_invoice
-				) or self.sale_happens_in_the_future(posting_date_of_original_invoice):
-
-					reverse_journal_entry = make_reverse_journal_entry(schedule.journal_entry)
-					reverse_journal_entry.posting_date = nowdate()
-					frappe.flags.is_reverse_depr_entry = True
-					reverse_journal_entry.submit()
-
-					frappe.flags.is_reverse_depr_entry = False
-					asset.flags.ignore_validate_update_after_submit = True
-					schedule.journal_entry = None
-					depreciation_amount = self.get_depreciation_amount_in_je(reverse_journal_entry)
-					asset.finance_books[0].value_after_depreciation += depreciation_amount
-					asset.save()
-
-	def get_posting_date_of_sales_invoice(self):
-		return frappe.db.get_value("Sales Invoice", self.return_against, "posting_date")
-
-	# if the invoice had been posted on the date the depreciation was initially supposed to happen, the depreciation shouldn't be undone
-	def sale_was_made_on_original_schedule_date(
-		self, asset, schedule, row, posting_date_of_original_invoice
-	):
-		for finance_book in asset.get("finance_books"):
-			if schedule.finance_book == finance_book.finance_book:
-				orginal_schedule_date = add_months(
-					finance_book.depreciation_start_date, row * cint(finance_book.frequency_of_depreciation)
-				)
-
-				if orginal_schedule_date == posting_date_of_original_invoice:
-					return True
-		return False
-
-	def sale_happens_in_the_future(self, posting_date_of_original_invoice):
-		if posting_date_of_original_invoice > getdate():
-			return True
-
-		return False
-
-	def get_depreciation_amount_in_je(self, journal_entry):
-		if journal_entry.accounts[0].debit_in_account_currency:
-			return journal_entry.accounts[0].debit_in_account_currency
-		else:
-			return journal_entry.accounts[0].credit_in_account_currency
-
 	@property
 	def enable_discount_accounting(self):
 		if not hasattr(self, "_enable_discount_accounting"):

erpnext/assets/doctype/asset/depreciation.py

@@ -4,12 +4,13 @@
 
 import frappe
 from frappe import _
-from frappe.utils import cint, flt, get_link_to_form, getdate, today
+from frappe.utils import add_months, cint, flt, get_link_to_form, getdate, nowdate, today
 from frappe.utils.user import get_users_with_role
 
 from erpnext.accounts.doctype.accounting_dimension.accounting_dimension import (
 	get_checks_for_pl_and_bs_accounts,
 )
+from erpnext.accounts.doctype.journal_entry.journal_entry import make_reverse_journal_entry
 
 
 def post_depreciation_entries(date=None):
@@ -247,6 +248,11 @@ def scrap_asset(asset_name):
 			_("Asset {0} cannot be scrapped, as it is already {1}").format(asset.name, asset.status)
 		)
 
+	date = today()
+
+	depreciate_asset(asset, date)
+	asset.reload()
+
 	depreciation_series = frappe.get_cached_value(
 		"Company", asset.company, "series_for_depreciation_entry"
 	)
@@ -254,7 +260,7 @@ def scrap_asset(asset_name):
 	je = frappe.new_doc("Journal Entry")
 	je.voucher_type = "Journal Entry"
 	je.naming_series = depreciation_series
-	je.posting_date = today()
+	je.posting_date = date
 	je.company = asset.company
 	je.remark = "Scrap Entry for asset {0}".format(asset_name)
 
@@ -265,7 +271,7 @@ def scrap_asset(asset_name):
 	je.flags.ignore_permissions = True
 	je.submit()
 
-	frappe.db.set_value("Asset", asset_name, "disposal_date", today())
+	frappe.db.set_value("Asset", asset_name, "disposal_date", date)
 	frappe.db.set_value("Asset", asset_name, "journal_entry_for_scrap", je.name)
 	asset.set_status("Scrapped")
 
@@ -276,6 +282,9 @@ def scrap_asset(asset_name):
 def restore_asset(asset_name):
 	asset = frappe.get_doc("Asset", asset_name)
 
+	reverse_depreciation_entry_made_after_disposal(asset, asset.disposal_date)
+	reset_depreciation_schedule(asset, asset.disposal_date)
+
 	je = asset.journal_entry_for_scrap
 
 	asset.db_set("disposal_date", None)
@@ -286,6 +295,91 @@ def restore_asset(asset_name):
 	asset.set_status()
 
 
+def depreciate_asset(asset, date):
+	asset.flags.ignore_validate_update_after_submit = True
+	asset.prepare_depreciation_data(date_of_disposal=date)
+	asset.save()
+
+	make_depreciation_entry(asset.name, date)
+
+
+def reset_depreciation_schedule(asset, date):
+	asset.flags.ignore_validate_update_after_submit = True
+
+	# recreate original depreciation schedule of the asset
+	asset.prepare_depreciation_data(date_of_return=date)
+
+	modify_depreciation_schedule_for_asset_repairs(asset)
+	asset.save()
+
+
+def modify_depreciation_schedule_for_asset_repairs(asset):
+	asset_repairs = frappe.get_all(
+		"Asset Repair", filters={"asset": asset.name}, fields=["name", "increase_in_asset_life"]
+	)
+
+	for repair in asset_repairs:
+		if repair.increase_in_asset_life:
+			asset_repair = frappe.get_doc("Asset Repair", repair.name)
+			asset_repair.modify_depreciation_schedule()
+			asset.prepare_depreciation_data()
+
+
+def reverse_depreciation_entry_made_after_disposal(asset, date):
+	row = -1
+	finance_book = asset.get("schedules")[0].get("finance_book")
+	for schedule in asset.get("schedules"):
+		if schedule.finance_book != finance_book:
+			row = 0
+			finance_book = schedule.finance_book
+		else:
+			row += 1
+
+		if schedule.schedule_date == date:
+			if not disposal_was_made_on_original_schedule_date(
+				asset, schedule, row, date
+			) or disposal_happens_in_the_future(date):
+
+				reverse_journal_entry = make_reverse_journal_entry(schedule.journal_entry)
+				reverse_journal_entry.posting_date = nowdate()
+				frappe.flags.is_reverse_depr_entry = True
+				reverse_journal_entry.submit()
+
+				frappe.flags.is_reverse_depr_entry = False
+				asset.flags.ignore_validate_update_after_submit = True
+				schedule.journal_entry = None
+				depreciation_amount = get_depreciation_amount_in_je(reverse_journal_entry)
+				asset.finance_books[0].value_after_depreciation += depreciation_amount
+				asset.save()
+
+
+def get_depreciation_amount_in_je(journal_entry):
+	if journal_entry.accounts[0].debit_in_account_currency:
+		return journal_entry.accounts[0].debit_in_account_currency
+	else:
+		return journal_entry.accounts[0].credit_in_account_currency
+
+
+# if the invoice had been posted on the date the depreciation was initially supposed to happen, the depreciation shouldn't be undone
+def disposal_was_made_on_original_schedule_date(asset, schedule, row, posting_date_of_disposal):
+	for finance_book in asset.get("finance_books"):
+		if schedule.finance_book == finance_book.finance_book:
+			orginal_schedule_date = add_months(
+				finance_book.depreciation_start_date, row * cint(finance_book.frequency_of_depreciation)
+			)
+
+			if orginal_schedule_date == posting_date_of_disposal:
+				return True
+	return False
+
+
+def disposal_happens_in_the_future(posting_date_of_disposal):
+	if posting_date_of_disposal > getdate():
+		return True
+
+	return False
+
+
 def get_gl_entries_on_asset_regain(asset, selling_amount=0, finance_book=None):
 	(
 		fixed_asset_account,

erpnext/assets/doctype/asset/test_asset.py

@@ -4,7 +4,16 @@
 import unittest
 
 import frappe
-from frappe.utils import add_days, add_months, cstr, flt, get_last_day, getdate, nowdate
+from frappe.utils import (
+	add_days,
+	add_months,
+	cstr,
+	flt,
+	get_first_day,
+	get_last_day,
+	getdate,
+	nowdate,
+)
 
 from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import make_purchase_invoice
 from erpnext.assets.doctype.asset.asset import make_sales_invoice, update_maintenance_status
@@ -153,28 +162,59 @@ class TestAsset(AssetSetup):
 		self.assertEqual(doc.items[0].is_fixed_asset, 1)
 
 	def test_scrap_asset(self):
+		date = nowdate()
+		purchase_date = add_months(get_first_day(date), -2)
+
 		asset = create_asset(
 			calculate_depreciation=1,
-			available_for_use_date="2020-01-01",
+			available_for_use_date=purchase_date,
-			purchase_date="2020-01-01",
+			purchase_date=purchase_date,
 			expected_value_after_useful_life=10000,
 			total_number_of_depreciations=10,
 			frequency_of_depreciation=1,
 			submit=1,
 		)
 
-		post_depreciation_entries(date=add_months("2020-01-01", 4))
+		post_depreciation_entries(date=add_months(purchase_date, 2))
+		asset.load_from_db()
+
+		accumulated_depr_amount = flt(
+			asset.gross_purchase_amount - asset.finance_books[0].value_after_depreciation,
+			asset.precision("gross_purchase_amount"),
+		)
+		self.assertEquals(accumulated_depr_amount, 18000.0)
 
 		scrap_asset(asset.name)
-
 		asset.load_from_db()
+
+		accumulated_depr_amount = flt(
+			asset.gross_purchase_amount - asset.finance_books[0].value_after_depreciation,
+			asset.precision("gross_purchase_amount"),
+		)
+		pro_rata_amount, _, _ = asset.get_pro_rata_amt(
+			asset.finance_books[0], 9000, get_last_day(add_months(purchase_date, 1)), date
+		)
+		pro_rata_amount = flt(pro_rata_amount, asset.precision("gross_purchase_amount"))
+		self.assertEquals(
+			accumulated_depr_amount,
+			flt(18000.0 + pro_rata_amount, asset.precision("gross_purchase_amount")),
+		)
+
 		self.assertEqual(asset.status, "Scrapped")
 		self.assertTrue(asset.journal_entry_for_scrap)
 
 		expected_gle = (
-			("_Test Accumulated Depreciations - _TC", 36000.0, 0.0),
+			(
+				"_Test Accumulated Depreciations - _TC",
+				flt(18000.0 + pro_rata_amount, asset.precision("gross_purchase_amount")),
+				0.0,
+			),
 			("_Test Fixed Asset - _TC", 0.0, 100000.0),
-			("_Test Gain/Loss on Asset Disposal - _TC", 64000.0, 0.0),
+			(
+				"_Test Gain/Loss on Asset Disposal - _TC",
+				flt(82000.0 - pro_rata_amount, asset.precision("gross_purchase_amount")),
+				0.0,
+			),
 		)
 
 		gle = frappe.db.sql(
@@ -183,7 +223,7 @@ class TestAsset(AssetSetup):
 			order by account""",
 			asset.journal_entry_for_scrap,
 		)
-		self.assertEqual(gle, expected_gle)
+		self.assertSequenceEqual(gle, expected_gle)
 
 		restore_asset(asset.name)
 
@@ -191,34 +231,57 @@ class TestAsset(AssetSetup):
 		self.assertFalse(asset.journal_entry_for_scrap)
 		self.assertEqual(asset.status, "Partially Depreciated")
 
+		accumulated_depr_amount = flt(
+			asset.gross_purchase_amount - asset.finance_books[0].value_after_depreciation,
+			asset.precision("gross_purchase_amount"),
+		)
+		this_month_depr_amount = 9000.0 if is_last_day_of_the_month(date) else 0
+
+		self.assertEquals(accumulated_depr_amount, 18000.0 + this_month_depr_amount)
+
 	def test_gle_made_by_asset_sale(self):
+		date = nowdate()
+		purchase_date = add_months(get_first_day(date), -2)
+
 		asset = create_asset(
 			calculate_depreciation=1,
-			available_for_use_date="2020-06-06",
+			available_for_use_date=purchase_date,
-			purchase_date="2020-01-01",
+			purchase_date=purchase_date,
 			expected_value_after_useful_life=10000,
-			total_number_of_depreciations=3,
+			total_number_of_depreciations=10,
-			frequency_of_depreciation=10,
+			frequency_of_depreciation=1,
-			depreciation_start_date="2020-12-31",
 			submit=1,
 		)
-		post_depreciation_entries(date="2021-01-01")
+
+		post_depreciation_entries(date=add_months(purchase_date, 2))
 
 		si = make_sales_invoice(asset=asset.name, item_code="Macbook Pro", company="_Test Company")
 		si.customer = "_Test Customer"
-		si.set_posting_time = 1
+		si.due_date = nowdate()
-		si.posting_date = "2021-10-31"
+		si.get("items")[0].rate = 25000
-		si.due_date = "2021-10-31"
+		si.insert()
-		si.get("items")[0].rate = 75000
 		si.submit()
 
 		self.assertEqual(frappe.db.get_value("Asset", asset.name, "status"), "Sold")
 
+		pro_rata_amount, _, _ = asset.get_pro_rata_amt(
+			asset.finance_books[0], 9000, get_last_day(add_months(purchase_date, 1)), date
+		)
+		pro_rata_amount = flt(pro_rata_amount, asset.precision("gross_purchase_amount"))
+
 		expected_gle = (
-			("_Test Accumulated Depreciations - _TC", 50490.2, 0.0),
+			(
+				"_Test Accumulated Depreciations - _TC",
+				flt(18000.0 + pro_rata_amount, asset.precision("gross_purchase_amount")),
+				0.0,
+			),
 			("_Test Fixed Asset - _TC", 0.0, 100000.0),
-			("_Test Gain/Loss on Asset Disposal - _TC", 0.0, 25490.2),
+			(
-			("Debtors - _TC", 75000.0, 0.0),
+				"_Test Gain/Loss on Asset Disposal - _TC",
+				flt(57000.0 - pro_rata_amount, asset.precision("gross_purchase_amount")),
+				0.0,
+			),
+			("Debtors - _TC", 25000.0, 0.0),
 		)
 
 		gle = frappe.db.sql(
@@ -228,14 +291,9 @@ class TestAsset(AssetSetup):
 			si.name,
 		)
 
-		for i, gle_entry in enumerate(gle):
+		self.assertSequenceEqual(gle, expected_gle)
-			self.assertEqual(gle_entry[0], expected_gle[i][0])
-			self.assertEqual(flt(gle_entry[1], 1), flt(expected_gle[i][1], 1))
-			self.assertEqual(flt(gle_entry[2], 1), flt(expected_gle[i][2], 1))
 
-		si.load_from_db()
 		si.cancel()
-
 		self.assertEqual(frappe.db.get_value("Asset", asset.name, "status"), "Partially Depreciated")
 
 	def test_asset_with_maintenance_required_status_after_sale(self):
@@ -1471,3 +1529,9 @@ def set_depreciation_settings_in_company():
 
 def enable_cwip_accounting(asset_category, enable=1):
 	frappe.db.set_value("Asset Category", asset_category, "enable_cwip_accounting", enable)
+
+
+def is_last_day_of_the_month(dt):
+	last_day_of_the_month = get_last_day(dt)
+
+	return getdate(dt) == getdate(last_day_of_the_month)