refactor: support payment against reverse payment reconciliation

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -611,9 +611,9 @@ class PaymentEntry(AccountsController):
 
 	def get_valid_reference_doctypes(self):
 		if self.party_type == "Customer":
-			return ("Sales Order", "Sales Invoice", "Journal Entry", "Dunning")
+			return ("Sales Order", "Sales Invoice", "Journal Entry", "Dunning", "Payment Entry")
 		elif self.party_type == "Supplier":
-			return ("Purchase Order", "Purchase Invoice", "Journal Entry")
+			return ("Purchase Order", "Purchase Invoice", "Journal Entry", "Payment Entry")
 		elif self.party_type == "Shareholder":
 			return ("Journal Entry",)
 		elif self.party_type == "Employee":
@@ -1279,6 +1279,7 @@ class PaymentEntry(AccountsController):
 					"Journal Entry",
 					"Sales Order",
 					"Purchase Order",
+					"Payment Entry",
 				):
 					self.add_advance_gl_for_reference(gl_entries, ref)
 
@@ -1301,7 +1302,9 @@ class PaymentEntry(AccountsController):
 		if getdate(posting_date) < getdate(self.posting_date):
 			posting_date = self.posting_date
 
-		dr_or_cr = "credit" if invoice.reference_doctype in ["Sales Invoice", "Sales Order"] else "debit"
+		dr_or_cr = (
+			"credit" if invoice.reference_doctype in ["Sales Invoice", "Payment Entry"] else "debit"
+		)
 		args_dict["account"] = invoice.account
 		args_dict[dr_or_cr] = invoice.allocated_amount
 		args_dict[dr_or_cr + "_in_account_currency"] = invoice.allocated_amount
@@ -1751,7 +1754,7 @@ def get_outstanding_reference_documents(args, validate=False):
 		outstanding_invoices = get_outstanding_invoices(
 			args.get("party_type"),
 			args.get("party"),
-			party_account,
+			[party_account],
 			common_filter=common_filter,
 			posting_date=posting_and_due_date,
 			min_outstanding=args.get("outstanding_amt_greater_than"),

erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py

@@ -340,10 +340,15 @@ class PaymentReconciliation(Document):
 
 		self.build_qb_filter_conditions(get_invoices=True)
 
+		accounts = [self.receivable_payable_account]
+
+		if self.default_advance_account:
+			accounts.append(self.default_advance_account)
+
 		non_reconciled_invoices = get_outstanding_invoices(
 			self.party_type,
 			self.party,
-			self.receivable_payable_account,
+			accounts,
 			common_filter=self.common_filter_conditions,
 			posting_date=self.ple_posting_date_filter,
 			min_outstanding=self.minimum_invoice_amount if self.minimum_invoice_amount else None,

erpnext/accounts/utils.py

@@ -1027,7 +1027,7 @@ def get_outstanding_invoices(
 
 	if account:
 		root_type, account_type = frappe.get_cached_value(
-			"Account", account, ["root_type", "account_type"]
+			"Account", account[0], ["root_type", "account_type"]
 		)
 		party_account_type = "Receivable" if root_type == "Asset" else "Payable"
 		party_account_type = account_type or party_account_type
@@ -1038,7 +1038,7 @@ def get_outstanding_invoices(
 
 	common_filter = common_filter or []
 	common_filter.append(ple.account_type == party_account_type)
-	common_filter.append(ple.account == account)
+	common_filter.append(ple.account.isin(account))
 	common_filter.append(ple.party_type == party_type)
 	common_filter.append(ple.party == party)