From 7de5e6b08491feb584386f21d70144c459d27a9d Mon Sep 17 00:00:00 2001
From: ShvaykaD <dshvaika@thingsboard.io>
Date: Fri, 11 Aug 2023 12:49:32 +0300
Subject: [PATCH 1/2] updated default config for math node

---
 .../rule/engine/math/TbMathNodeConfiguration.java          | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
index 1636898b8c..f4fccd3ae6 100644
--- a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
@@ -32,9 +32,10 @@ public class TbMathNodeConfiguration implements NodeConfiguration<TbMathNodeConf
     @Override
     public TbMathNodeConfiguration defaultConfiguration() {
         TbMathNodeConfiguration configuration = new TbMathNodeConfiguration();
-        configuration.setOperation(TbRuleNodeMathFunctionType.ADD);
-        configuration.setArguments(Arrays.asList(new TbMathArgument("x", TbMathArgumentType.CONSTANT, "2"), new TbMathArgument("y", TbMathArgumentType.CONSTANT, "2")));
-        configuration.setResult(new TbMathResult(TbMathArgumentType.MESSAGE_BODY, "result", 2, false, false, null));
+        configuration.setOperation(TbRuleNodeMathFunctionType.CUSTOM);
+        configuration.setCustomFunction("(x - 32) / 1.8");
+        configuration.setArguments(List.of(new TbMathArgument("x", TbMathArgumentType.MESSAGE_BODY, "temperature")));
+        configuration.setResult(new TbMathResult(TbMathArgumentType.MESSAGE_BODY, "temperatureCelsius", 2, false, false, null));
         return configuration;
     }
 }
\ No newline at end of file

From fc29907a2485e82e6012a31a030e51f7d2518684 Mon Sep 17 00:00:00 2001
From: ShvaykaD <dshvaika@thingsboard.io>
Date: Fri, 11 Aug 2023 16:15:34 +0300
Subject: [PATCH 2/2] replace x with t

---
 .../thingsboard/rule/engine/math/TbMathNodeConfiguration.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
index f4fccd3ae6..e1a3523cf0 100644
--- a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
@@ -33,8 +33,8 @@ public class TbMathNodeConfiguration implements NodeConfiguration<TbMathNodeConf
     public TbMathNodeConfiguration defaultConfiguration() {
         TbMathNodeConfiguration configuration = new TbMathNodeConfiguration();
         configuration.setOperation(TbRuleNodeMathFunctionType.CUSTOM);
-        configuration.setCustomFunction("(x - 32) / 1.8");
-        configuration.setArguments(List.of(new TbMathArgument("x", TbMathArgumentType.MESSAGE_BODY, "temperature")));
+        configuration.setCustomFunction("(t - 32) / 1.8");
+        configuration.setArguments(List.of(new TbMathArgument("t", TbMathArgumentType.MESSAGE_BODY, "temperature")));
         configuration.setResult(new TbMathResult(TbMathArgumentType.MESSAGE_BODY, "temperatureCelsius", 2, false, false, null));
         return configuration;
     }