From a9c2f6096c2da5e2e8e014a796baacb1a24bd21e Mon Sep 17 00:00:00 2001
From: Simon Voordouw <simonvoordouw@gmail.com>
Date: Mon, 19 Jun 2017 16:13:07 +0200
Subject: [PATCH] check if printer is idle before fetching

---
 src/rest/api/api_printer.lua | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/rest/api/api_printer.lua b/src/rest/api/api_printer.lua
index 5bf04bc..04b08ce 100644
--- a/src/rest/api/api_printer.lua
+++ b/src/rest/api/api_printer.lua
@@ -203,6 +203,12 @@ function M.fetch_POST(request, response)
 		return
 	end
 
+	local state = printer:getState()
+	if state ~= "idle" then
+		response:setError("printer is not idle")
+		return
+	end
+
 
 	log:verbose(MOD_ABBR, "  clearing all gcode for " .. printer:getId())
 	response:addData('gcode_clear',true)