refactor: supplementary field to better handle reverse payments

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -1321,15 +1321,7 @@ class PaymentEntry(AccountsController):
 			return "credit", reference.account
 
 		if reference.reference_doctype == "Payment Entry":
-			reverse_payment_details = frappe.db.get_all(
+			if reference.account_type == "Receivable" and reference.payment_type == "Pay":
-				"Payment Entry",
-				filters={"name": reference.reference_name},
-				fields=["payment_type", "party_type"],
-			)[0]
-			if (
-				reverse_payment_details.payment_type == "Pay"
-				and reverse_payment_details.party_type == "Customer"
-			):
 				return "credit", self.party_account
 			else:
 				return "debit", self.party_account
@@ -2214,6 +2206,10 @@ def get_reference_details(reference_doctype, reference_name, party_account_curre
 	ref_doc = frappe.get_doc(reference_doctype, reference_name)
 	company_currency = ref_doc.get("company_currency") or erpnext.get_company_currency(ref_doc.company)
 
+	# Only applies for Reverse Payment Entries
+	account_type = None
+	payment_type = None
+
 	if reference_doctype == "Dunning":
 		total_amount = outstanding_amount = ref_doc.get("dunning_amount")
 		exchange_rate = 1
@@ -2226,6 +2222,18 @@ def get_reference_details(reference_doctype, reference_name, party_account_curre
 			exchange_rate = 1
 			outstanding_amount = get_outstanding_on_journal_entry(reference_name)
 
+	elif reference_doctype == "Payment Entry":
+		if reverse_payment_details := frappe.db.get_all(
+			"Payment Entry",
+			filters={"name": reference_name},
+			fields=["payment_type", "party_type"],
+		)[0]:
+			payment_type = reverse_payment_details.payment_type
+			account_type = frappe.db.get_value(
+				"Party Type", reverse_payment_details.party_type, "account_type"
+			)
+		exchange_rate = 1
+
 	elif reference_doctype != "Journal Entry":
 		if not total_amount:
 			if party_account_currency == company_currency:
@@ -2270,6 +2278,8 @@ def get_reference_details(reference_doctype, reference_name, party_account_curre
 			"outstanding_amount": flt(outstanding_amount),
 			"exchange_rate": flt(exchange_rate),
 			"bill_no": ref_doc.get("bill_no"),
+			"account_type": account_type,
+			"payment_type": payment_type,
 		}
 	)
 	if account:

erpnext/accounts/doctype/payment_entry_reference/payment_entry_reference.json

@@ -10,6 +10,8 @@
   "due_date",
   "bill_no",
   "payment_term",
+  "account_type",
+  "payment_type",
   "column_break_4",
   "total_amount",
   "outstanding_amount",
@@ -108,12 +110,22 @@
    "fieldtype": "Link",
    "label": "Account",
    "options": "Account"
+  },
+  {
+   "fieldname": "account_type",
+   "fieldtype": "Data",
+   "label": "Account Type"
+  },
+  {
+   "fieldname": "payment_type",
+   "fieldtype": "Data",
+   "label": "Payment Type"
   }
  ],
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2024-03-27 13:10:09.578312",
+ "modified": "2024-04-05 09:44:08.310593",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Payment Entry Reference",

erpnext/accounts/doctype/payment_entry_reference/payment_entry_reference.py

@@ -15,6 +15,7 @@ class PaymentEntryReference(Document):
 		from frappe.types import DF
 
 		account: DF.Link | None
+		account_type: DF.Data | None
 		allocated_amount: DF.Float
 		bill_no: DF.Data | None
 		due_date: DF.Date | None
@@ -25,6 +26,7 @@ class PaymentEntryReference(Document):
 		parentfield: DF.Data
 		parenttype: DF.Data
 		payment_term: DF.Link | None
+		payment_type: DF.Data | None
 		reference_doctype: DF.Link
 		reference_name: DF.DynamicLink
 		total_amount: DF.Float