From eaa1acf83a3650e5aefe4f117e5229f6323ae6a8 Mon Sep 17 00:00:00 2001
From: juggledad <juggledad@users.noreply.github.com>
Date: Mon, 26 Oct 2020 04:00:57 -0400
Subject: [PATCH] Add option to dynamically pass in 'From' and 'To' - fixed bug
 when 'From' was greater than 'To' by flipping the two

---
 function/random/random.js | 35 +++++++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/function/random/random.js b/function/random/random.js
index dac7b0b9..6b2face1 100644
--- a/function/random/random.js
+++ b/function/random/random.js
@@ -3,13 +3,44 @@ module.exports = function(RED) {
     "use strict";
     function RandomNode(n) {
         RED.nodes.createNode(this,n);
-        this.low = Number(n.low || 1);
-        this.high = Number(n.high || 10);
+
+        this.low  = Number(n.low) || ""; 
+        this.high = Number(n.high) || "";
         this.inte = n.inte || false;
         this.property = n.property||"payload";
         var node = this;
+        
+      
         this.on("input", function(msg) {
+
+            if (node.low === "") {
+                node.low = 1
+                if ('from' in msg) {
+                    if ( (typeof msg.from === 'number') 
+                    || ( (typeof msg.from === 'string') && (!isNaN(Number(msg.from)) ) )) {
+                        node.low = Number(msg.from)
+                    }
+                } 
+            }
+    
+            if (node.high === "") {
+                node.high = 10 
+                if ('to' in msg) {
+                    if ( (typeof msg.to === 'number') 
+                    || ( (typeof msg.to === 'string') && (!isNaN(Number(msg.to)) ) )) {
+                        node.high = Number(msg.to)
+                    }
+                } 
+            }
+            
+            // flip the values if low > high
             var value;
+            if (node.low > node.high) {  
+                value = node.low
+                node.low = node.high
+                node.high = value
+            }
+
             if (node.inte == "true" || node.inte === true) {
                 value = Math.round(Math.random() * (node.high - node.low + 1) + node.low - 0.5);
             }