first commit

.github/workflows/main.yml

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+name: CI
+
+on:
+  push:
+    branches: [ master, develop, main ]
+  pull_request:
+    branches: [ master, develop, main ]
+
+jobs:
+  container-test-job:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+    - name: Install docker
+      run: |
+        apt-get update && apt-get install --no-install-recommends -y ca-certificates curl gnupg lsb-release sudo
+        curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+          echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+          apt-get update && apt-get install --no-install-recommends -y docker-ce docker-ce-cli containerd.io
+    - name: Build docker images
+      run: docker build -t ${{ github.sha }} .
+
+    - name: Run Docker container
+      run: docker run -d -p 3000:3000 --name ${{ github.sha }} ${{ github.sha }}
+
+   # - name: Wait for Rails to start
+   #   run: apt-get install --no-install-recommends -y netcat && sh -c 'until nc -z localhost 3000; do sleep 1; done'
+
+    #- name: Run Rails tests
+    #  run: docker exec -t ${{ github.sha }} bin/rails test

Dockerfile

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+FROM ruby:3.3-bullseye
+RUN gem install mqtt telegram-bot-ruby
+COPY frigate.rb /frigate.rb
+CMD ["ruby /frigate.rb"]

frigate.rb

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+require 'mqtt'
+require 'json'
+require 'telegram/bot'
+
+token = ENV['TELEGRAM_TOKEN']
+chat_id = ENV['TELEGRAM_CHAT_ID']
+
+mqtt_host = ENV['MQTT_HOST']
+mqtt_port = ENV['MQTT_PORT'].to_i
+mqtt_user = ENV['MQTT_USER']
+mqtt_pass = ENV['MQTT_PASS']
+
+frigate_url = ENV['FRIGATE_URL']
+
+
+Telegram::Bot::Client.run(token) do |bot|
+  MQTT::Client.connect(host: mqtt_host, port: mqtt_port, username: mqtt_user, password: mqtt_pass) do |c|
+    c.get('frigate/events') do |topic,message|
+      a = JSON.parse message
+      if a['type'] == 'new'
+        formatted_message = "#{a['before']['camera'].capitalize} - #{a['before']['label'].capitalize} was detected."
+        snapshot = "#{frigate_url}/api/events/#{a['before']['id']}/thumbnail.jpg"
+        bot.api.send_message(chat_id: chat_id, text: formatted_message)
+        timeout_reached = 0.1
+        until `curl --write-out %{http_code} --silent -I --output /dev/null #{snapshot}` === "200" or timeout_reached > 10 do
+          sleep 0.1
+          timeout_reached = timeout_reached + 0.1
+        end
+        bot.api.send_photo(chat_id: chat_id, photo: snapshot, caption: formatted_message, show_caption_above_media: true, disable_notification: true)
+      elsif a['type'] == 'end'
+        clip = "#{frigate_url}/api/events/#{a['before']['id']}/clip.mp4"
+        timeout_reached = 0.1
+        until `curl --write-out %{http_code} --silent -I --output /dev/null #{clip}` === "200" or timeout_reached > 10 do
+          sleep 0.1
+          timeout_reached = timeout_reached + 0.1
+        end
+        bot.api.send_video(chat_id: chat_id, video: clip, caption: formatted_message, show_caption_above_media: true, supports_streaming: true, disable_notification: true)
+      else
+        puts "skipped message, not new"
+      end
+    end
+  end
+end