From e259a9b068ba4441929ebdb49a15e4ad98654581 Mon Sep 17 00:00:00 2001
From: Rohit Waghchaure <rohitw1991@gmail.com>
Date: Tue, 14 Mar 2017 19:03:49 +0530
Subject: [PATCH] [fix] User sales one serial number multiple time from the POS

---
 erpnext/accounts/page/pos/pos.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/erpnext/accounts/page/pos/pos.js b/erpnext/accounts/page/pos/pos.js
index b86f9e15bb..1dafb87c3a 100644
--- a/erpnext/accounts/page/pos/pos.js
+++ b/erpnext/accounts/page/pos/pos.js
@@ -1413,11 +1413,30 @@ erpnext.pos.PointOfSale = erpnext.taxes_and_totals.extend({
 	submit_invoice: function () {
 		var me = this;
 		this.change_status();
+		this.update_serial_no()
 		if (this.frm.doc.docstatus == 1) {
 			this.print_dialog()
 		}
 	},
 
+	update_serial_no: function() {
+		var me = this;
+
+		//Remove the sold serial no from the cache
+		$.each(this.frm.doc.items, function(index, data) {
+			sn = data.serial_no.split('\n')
+			if(sn.length) {
+				serial_no_list = me.serial_no_data[data.item_code]
+				$.each(sn, function(i, serial_no) {
+					if(in_list(Object.keys(serial_no_list), serial_no)) {
+						delete serial_no_list[serial_no]
+					}
+				})
+				me.serial_no_data[data.item_code] = serial_no_list;
+			}
+		})
+	},
+
 	change_status: function () {
 		if (this.frm.doc.docstatus == 0) {
 			this.frm.doc.docstatus = 1;