fix: added validation for default accounts on company

(cherry picked from commit 4af1ae1470)

# Conflicts:
#	erpnext/setup/doctype/company/company.py

erpnext/accounts/doctype/account/account.py

@@ -110,6 +110,7 @@ class Account(NestedSet):
 		self.validate_parent_child_account_type()
 		self.validate_root_details()
 		self.validate_account_number()
+		self.validate_disabled()
 		self.validate_group_or_ledger()
 		self.set_root_and_report_type()
 		self.validate_mandatory()
@@ -254,6 +255,14 @@ class Account(NestedSet):
 
 			self.create_account_for_child_company(parent_acc_name_map, descendants, parent_acc_name)
 
+	def validate_disabled(self):
+		doc_before_save = self.get_doc_before_save()
+		if not doc_before_save or cint(doc_before_save.disabled) == cint(self.disabled):
+			return
+
+		if cint(self.disabled):
+			self.validate_default_accounts_in_company()
+
 	def validate_group_or_ledger(self):
 		doc_before_save = self.get_doc_before_save()
 		if not doc_before_save or cint(doc_before_save.is_group) == cint(self.is_group):
@@ -264,9 +273,32 @@ class Account(NestedSet):
 		elif cint(self.is_group):
 			if self.account_type and not self.flags.exclude_account_type_check:
 				throw(_("Cannot covert to Group because Account Type is selected."))
+			self.validate_default_accounts_in_company()
 		elif self.check_if_child_exists():
 			throw(_("Account with child nodes cannot be set as ledger"))
 
+	def validate_default_accounts_in_company(self):
+		default_account_fields = get_company_default_account_fields()
+
+		company_default_accounts = frappe.db.get_value(
+			"Company", self.company, list(default_account_fields.keys()), as_dict=1
+		)
+
+		msg = _("Account {0} cannot be disabled as it is already set as {1} for {2}.")
+
+		if not self.disabled:
+			msg = _("Account {0} cannot be converted to Group as it is already set as {1} for {2}.")
+
+		for d in default_account_fields:
+			if company_default_accounts.get(d) == self.name:
+				throw(
+					msg.format(
+						frappe.bold(self.name),
+						frappe.bold(default_account_fields.get(d)),
+						frappe.bold(self.company),
+					)
+				)
+
 	def validate_frozen_accounts_modifier(self):
 		doc_before_save = self.get_doc_before_save()
 		if not doc_before_save or doc_before_save.freeze_account == self.freeze_account:
@@ -627,3 +659,27 @@ def _ensure_idle_system():
 			).format(pretty_date(last_gl_update)),
 			title=_("System In Use"),
 		)
+
+
+def get_company_default_account_fields():
+	return {
+		"default_bank_account": "Default Bank Account",
+		"default_cash_account": "Default Cash Account",
+		"default_receivable_account": "Default Receivable Account",
+		"default_payable_account": "Default Payable Account",
+		"default_expense_account": "Default Expense Account",
+		"default_income_account": "Default Income Account",
+		"stock_received_but_not_billed": "Stock Received But Not Billed Account",
+		"stock_adjustment_account": "Stock Adjustment Account",
+		"write_off_account": "Write Off Account",
+		"default_discount_account": "Default Payment Discount Account",
+		"unrealized_profit_loss_account": "Unrealized Profit / Loss Account",
+		"exchange_gain_loss_account": "Exchange Gain / Loss Account",
+		"unrealized_exchange_gain_loss_account": "Unrealized Exchange Gain / Loss Account",
+		"round_off_account": "Round Off Account",
+		"default_deferred_revenue_account": "Default Deferred Revenue Account",
+		"default_deferred_expense_account": "Default Deferred Expense Account",
+		"accumulated_depreciation_account": "Accumulated Depreciation Account",
+		"depreciation_expense_account": "Depreciation Expense Account",
+		"disposal_account": "Gain/Loss Account on Asset Disposal",
+	}

erpnext/setup/doctype/company/company.py

@@ -180,12 +180,39 @@ class Company(NestedSet):
 			["Default Income Account", "default_income_account"],
 			["Stock Received But Not Billed Account", "stock_received_but_not_billed"],
 			["Stock Adjustment Account", "stock_adjustment_account"],
+<<<<<<< HEAD
 			["Expense Included In Valuation Account", "expenses_included_in_valuation"],
+=======
+			["Write Off Account", "write_off_account"],
+			["Default Payment Discount Account", "default_discount_account"],
+			["Unrealized Profit / Loss Account", "unrealized_profit_loss_account"],
+			["Exchange Gain / Loss Account", "exchange_gain_loss_account"],
+			["Unrealized Exchange Gain / Loss Account", "unrealized_exchange_gain_loss_account"],
+			["Round Off Account", "round_off_account"],
+			["Default Deferred Revenue Account", "default_deferred_revenue_account"],
+			["Default Deferred Expense Account", "default_deferred_expense_account"],
+			["Accumulated Depreciation Account", "accumulated_depreciation_account"],
+			["Depreciation Expense Account", "depreciation_expense_account"],
+			["Gain/Loss Account on Asset Disposal", "disposal_account"],
+>>>>>>> 4af1ae1470 (fix: added validation for default accounts on company)
 		]
 
 		for account in accounts:
 			if self.get(account[1]):
-				for_company = frappe.db.get_value("Account", self.get(account[1]), "company")
+				for_company, is_group, disabled = frappe.db.get_value(
+					"Account", self.get(account[1]), ["company", "is_group", "disabled"]
+				)
+
+				if disabled:
+					frappe.throw(_("Account {0} is disabled.").format(frappe.bold(self.get(account[1]))))
+
+				if is_group:
+					frappe.throw(
+						_("{0}: {1} is a group account.").format(
+							frappe.bold(account[0]), frappe.bold(self.get(account[1]))
+						)
+					)
+
 				if for_company != self.name:
 					frappe.throw(
 						_("Account {0} does not belong to company: {1}").format(