Merge pull request #36890 from frappe/mergify/bp/version-14/pr-36888

fix: calcuate received/paid amount on exchange rate change in Payment Entry (backport #36888)

erpnext/accounts/doctype/payment_entry/payment_entry.js

@@ -526,12 +526,16 @@ frappe.ui.form.on('Payment Entry', {
 	},
 
 	source_exchange_rate: function(frm) {
+		let company_currency = frappe.get_doc(":Company", frm.doc.company).default_currency;
 		if (frm.doc.paid_amount) {
 			frm.set_value("base_paid_amount", flt(frm.doc.paid_amount) * flt(frm.doc.source_exchange_rate));
 			// target exchange rate should always be same as source if both account currencies is same
 			if(frm.doc.paid_from_account_currency == frm.doc.paid_to_account_currency) {
 				frm.set_value("target_exchange_rate", frm.doc.source_exchange_rate);
 				frm.set_value("base_received_amount", frm.doc.base_paid_amount);
+			} else if (company_currency == frm.doc.paid_to_account_currency) {
+				frm.set_value("received_amount", frm.doc.base_paid_amount);
+				frm.set_value("base_received_amount", frm.doc.base_paid_amount);
 			}
 
 			frm.events.set_unallocated_amount(frm);
@@ -543,6 +547,7 @@ frappe.ui.form.on('Payment Entry', {
 
 	target_exchange_rate: function(frm) {
 		frm.set_paid_amount_based_on_received_amount = true;
+		let company_currency = frappe.get_doc(":Company", frm.doc.company).default_currency;
 
 		if (frm.doc.received_amount) {
 			frm.set_value("base_received_amount",
@@ -552,6 +557,9 @@ frappe.ui.form.on('Payment Entry', {
 					(frm.doc.paid_from_account_currency == frm.doc.paid_to_account_currency)) {
 				frm.set_value("source_exchange_rate", frm.doc.target_exchange_rate);
 				frm.set_value("base_paid_amount", frm.doc.base_received_amount);
+			} else if (company_currency == frm.doc.paid_from_account_currency) {
+				frm.set_value("paid_amount", frm.doc.base_received_amount);
+				frm.set_value("base_paid_amount", frm.doc.base_received_amount);
 			}
 
 			frm.events.set_unallocated_amount(frm);

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -2167,7 +2167,7 @@ def set_paid_amount_and_received_amount(
 			if bank_amount:
 				received_amount = bank_amount
 			else:
-				if company_currency != bank.account_currency:
+				if bank and company_currency != bank.account_currency:
 					received_amount = paid_amount / doc.get("conversion_rate", 1)
 				else:
 					received_amount = paid_amount * doc.get("conversion_rate", 1)
@@ -2176,7 +2176,7 @@ def set_paid_amount_and_received_amount(
 			if bank_amount:
 				paid_amount = bank_amount
 			else:
-				if company_currency != bank.account_currency:
+				if bank and company_currency != bank.account_currency:
 					paid_amount = received_amount / doc.get("conversion_rate", 1)
 				else:
 					# if party account currency and bank currency is different then populate paid amount as well