From 4bb9c4c5592b8da350e76997f7e2dccb1ecf7b5e Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Thu, 11 Jun 2020 19:27:32 +1000
Subject: [PATCH] Prevent barcode data being entered multiple times

---
 .../InvenTree/static/script/inventree/barcode.js  | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/InvenTree/InvenTree/static/script/inventree/barcode.js b/InvenTree/InvenTree/static/script/inventree/barcode.js
index 0be3f0e9d6..f623a6e886 100644
--- a/InvenTree/InvenTree/static/script/inventree/barcode.js
+++ b/InvenTree/InvenTree/static/script/inventree/barcode.js
@@ -90,6 +90,15 @@ function clearBarcodeError(modal, message) {
 }
 
 
+function enableBarcodeInput(modal, enabled=true) {
+
+    var barcode = $(modal + ' #barcode');
+
+    barcode.prop('disabled', !enabled);
+    
+    modalEnable(modal, enabled);
+}
+
 function getBarcodeData(modal) {
 
     modal = modal || '#modal-form';
@@ -126,7 +135,6 @@ function barcodeDialog(title, options={}) {
             var barcode = getBarcodeData(modal);
 
             if (options.submit) {
-                modalEnable(modal, false);
                 options.submit(barcode);
             }
 
@@ -138,7 +146,6 @@ function barcodeDialog(title, options={}) {
             var barcode = getBarcodeData(modal);
 
             if (options.submit) {
-                modalEnable(modal, false);
                 options.submit(barcode);
             }
         });
@@ -182,7 +189,9 @@ function barcodeScanDialog() {
     barcodeDialog(
         "Scan Barcode",
         {
+            headerContent: `<div class='alert alert-info alert-block'>Scan barcode data below</div>`,
             submit: function(barcode) {
+                enableBarcodeInput(modal, false);
                 inventreePut(
                     '/api/barcode/',
                     {
@@ -194,6 +203,8 @@ function barcodeScanDialog() {
 
                             console.log(response);
 
+                            enableBarcodeInput(modal, true);
+
                             if (status == 'success') {
                                 
                                 if ('success' in response) {