fix: incorrect percentage received in purchase invoice

(cherry picked from commit 8d2c788)

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -131,6 +131,18 @@ def validate(self):
 		self.reset_default_field_value("set_warehouse", "items", "warehouse")
 		self.reset_default_field_value("rejected_warehouse", "items", "rejected_warehouse")
 		self.reset_default_field_value("set_from_warehouse", "items", "from_warehouse")
+		self.set_percentage_received()
+
+	def set_percentage_received(self):
+		total_billed_qty = 0.0
+		total_received_qty = 0.0
+		for row in self.items:
+			if row.purchase_receipt and row.pr_detail and row.received_qty:
+				total_billed_qty += row.qty
+				total_received_qty += row.received_qty
+
+		if total_billed_qty and total_received_qty:
+			self.per_received = total_received_qty / total_billed_qty * 100
 
 	def validate_release_date(self):
 		if self.release_date and getdate(nowdate()) >= getdate(self.release_date):

erpnext/stock/doctype/purchase_receipt/purchase_receipt.py

@@ -1077,6 +1077,7 @@ def get_pending_qty(item_row):
 				"field_map": {
 					"name": "pr_detail",
 					"parent": "purchase_receipt",
+					"qty": "received_qty",
 					"purchase_order_item": "po_detail",
 					"purchase_order": "purchase_order",
 					"is_fixed_asset": "is_fixed_asset",