From f79195e9a575fc97bd2c892ae9f8b707254d4641 Mon Sep 17 00:00:00 2001
From: Ollo <ollo@ollo.mobil>
Date: Sat, 23 Jan 2021 10:05:18 +0100
Subject: [PATCH] Status of first row color added to MQTT

---
 Readme.md | 3 +++
 mqtt.lua  | 8 ++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Readme.md b/Readme.md
index e06bd90..4bce2b1 100644
--- a/Readme.md
+++ b/Readme.md
@@ -41,6 +41,7 @@ Optinal:
 ### Status
 * **basetopic**/brightness **Current brightness in percent**
 * **basetopic**/background **Current background color**
+* **basetopic**/row1 **Current background color**
 
 ### Commands
 * **basetopic**/cmd/single
@@ -51,6 +52,8 @@ Optinal:
   * 0-255,0-255,0-255 **Background color is set to decimal representation of red, green an blue**
 * **basetopic**/cmd/telnet
   * ignored **Stop MQTT server and start telnetserver at port 23**
+* **basetopic**/cmd/row1
+  * 0-255,0-255,0-255 **Background color is set to decimal representation of red, green an blue**
 
 ## OpenHAB2
 Tested MQTT with binding-mqtt 2.5.x
diff --git a/mqtt.lua b/mqtt.lua
index 32b6ae4..ad82d94 100644
--- a/mqtt.lua
+++ b/mqtt.lua
@@ -37,7 +37,10 @@ function handleSingleCommand(client, topic, data)
 
 end
 
-function parseBgColor(data)
+-- Parse MQTT data and extract color
+-- @param data MQTT information
+-- @param row string of the row e.g. "row1" used to publish current state
+function parseBgColor(data, row)
   local red=nil
   local green=nil
   local blue=nil
@@ -49,6 +52,7 @@ function parseBgColor(data)
     red, green, blue = string.match(data, "(%d+),(%d+),(%d+)")
   end
   if ((red ~= nil) and (green ~= nil) and (blue ~= nil) ) then
+    m:publish(mqttPrefix .. "/"..row, tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue), 0, 0)
     return string.char(green * briPercent / 100, red * briPercent / 100, blue * briPercent / 100)
   else
     return nil
@@ -77,7 +81,7 @@ function registerMqtt()
                 mydofile("telnet")
                 startTelnetServer()
             elseif (string.match(topic, "row1$")) then
-                row1bgColor = parseBgColor(data)
+                row1bgColor = parseBgColor(data, "row1")
             end
         end
       end