fix: change request status on payment entry cancel

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -81,8 +81,13 @@ class PaymentEntry(AccountsController):
 		self.update_advance_paid()
 		self.update_expense_claim()
 		self.delink_advance_entry_references()
+		self.set_payment_req_status()
 		self.set_status()
 	
+	def set_payment_req_status(self):
+		from erpnext.accounts.doctype.payment_request.payment_request import update_payment_req_status
+		update_payment_req_status(self, None)
+
 	def update_outstanding_amounts(self):
 		self.set_missing_ref_details(force=True)
 

erpnext/accounts/doctype/payment_request/payment_request.py

@@ -417,19 +417,30 @@ def make_payment_entry(docname):
 	doc = frappe.get_doc("Payment Request", docname)
 	return doc.create_payment_entry(submit=False).as_dict()
 
-def make_status_as_paid(doc, method):
+def update_payment_req_status(doc, method):
+	from erpnext.accounts.doctype.payment_entry.payment_entry import get_reference_details
+	
 	for ref in doc.references:
 		payment_request_name = frappe.db.get_value("Payment Request",
 			{"reference_doctype": ref.reference_doctype, "reference_name": ref.reference_name,
 			"docstatus": 1})
 
 		if payment_request_name:
-			doc = frappe.get_doc("Payment Request", payment_request_name)
+			ref_details = get_reference_details(ref.reference_doctype, ref.reference_name, doc.party_account_currency)
-			if doc.status != "Paid" and ref.outstanding_amount <= ref.allocated_amount:
+			pay_req_doc = frappe.get_doc('Payment Request', payment_request_name)
-				doc.db_set('status', 'Paid')
+			status = pay_req_doc.status
-				frappe.db.commit()
+			
-			elif doc.status != "Partially Paid" and ref.outstanding_amount != ref.allocated_amount:
+			if status != "Paid" and not ref_details.outstanding_amount:
-				doc.db_set('status', 'Partially Paid')
+				status = 'Paid'
+			elif status != "Partially Paid" and ref_details.outstanding_amount != ref_details.total_amount:
+				status = 'Partially Paid'
+			elif ref_details.outstanding_amount == ref_details.total_amount:
+				if pay_req_doc.payment_request_type == 'Outward':
+					status = 'Initiated'
+				elif pay_req_doc.payment_request_type == 'Inward':
+					status = 'Requested'
+
+			pay_req_doc.db_set('status', status)
 			frappe.db.commit()
 
 def get_dummy_message(doc):

erpnext/accounts/doctype/payment_request/test_payment_request.py

@@ -101,6 +101,23 @@ class TestPaymentRequest(unittest.TestCase):
 			self.assertEqual(expected_gle[gle.account][2], gle.credit)
 			self.assertEqual(expected_gle[gle.account][3], gle.against_voucher)
 
+	def test_status(self):
+		si_usd = create_sales_invoice(customer="_Test Customer USD", debit_to="_Test Receivable USD - _TC",
+			currency="USD", conversion_rate=50)
+
+		pr = make_payment_request(dt="Sales Invoice", dn=si_usd.name, recipient_id="saurabh@erpnext.com",
+			mute_email=1, payment_gateway="_Test Gateway - USD", submit_doc=1, return_doc=1)
+
+		pe = pr.create_payment_entry()
+		pr.load_from_db()
+
+		self.assertEqual(pr.status, 'Paid')
+
+		pe.cancel()
+		pr.load_from_db()
+
+		self.assertEqual(pr.status, 'Requested')
+
 	def test_multiple_payment_entries_against_sales_order(self):
 		# Make Sales Order, grand_total = 1000
 		so = make_sales_order()

erpnext/hooks.py

@@ -245,7 +245,7 @@ doc_events = {
 		"on_trash": "erpnext.regional.check_deletion_permission"
 	},
 	"Payment Entry": {
-		"on_submit": ["erpnext.regional.create_transaction_log", "erpnext.accounts.doctype.payment_request.payment_request.make_status_as_paid"],
+		"on_submit": ["erpnext.regional.create_transaction_log", "erpnext.accounts.doctype.payment_request.payment_request.update_payment_req_status"],
 		"on_trash": "erpnext.regional.check_deletion_permission"
 	},
 	'Address': {