From 7f384f1964254e94f10fb0e8b0d5847031a7554a Mon Sep 17 00:00:00 2001
From: Martin Artnik <martin@scinote.net>
Date: Mon, 24 Oct 2022 15:50:10 +0200
Subject: [PATCH] Only render last label in ZPL [SCI-7357]

---
 app/controllers/label_templates_controller.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/controllers/label_templates_controller.rb b/app/controllers/label_templates_controller.rb
index 547691d1e..a1d235a94 100644
--- a/app/controllers/label_templates_controller.rb
+++ b/app/controllers/label_templates_controller.rb
@@ -130,7 +130,9 @@ class LabelTemplatesController < ApplicationController
 
   def zpl_preview
     service = LabelTemplatesPreviewService.new(params, current_user)
-    payload = service.generate_zpl_preview!
+
+    # only render last generated label image
+    payload = service.generate_zpl_preview!.split.last
 
     if service.error.blank?
       render json: { base64_preview: payload }