initial commit

logger.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'rubygems'
+require 'mqtt'
+require 'json'
+require 'CSV'
+
+# MQTT Server configuration
+SERVER = '192.168.178.48'
+
+# Sensor configuration
+sensors = {
+  'zigbee2mqtt/0x00158d00073a7ba8': {
+    'name': 'Test Sensor',
+    'min_humidity': 61,
+    'max_humidity': 64
+  }
+}
+
+# Connect to the MQTT broker
+MQTT::Client.connect(SERVER) do |client|
+  # For each sensor
+  sensors.each_key do |sensor_topic|
+    sensor = sensors[sensor_topic]
+    # Subscribe its topic
+    client.get(sensor_topic.to_s) do |topic, message|
+      # Log the output
+      puts "#{sensor[:name]}: #{message}"
+
+      payload = JSON.parse(message)
+
+      # Log payload in a csv file
+      CSV.open('data.csv', 'wb') do |csv|
+        csv << [Time.now,
+                sensor[:name],
+                topic,
+                payload['humidity'],
+                payload['temperature'],
+                payload['pressure'],
+                payload['battery'],
+                payload['voltage'],
+                payload['linkquality']]
+      end
+    end
+  end
+end