Initial commit: monorepo Match Live TV.

Rails API, app Flutter, infrastruttura Docker/MediaMTX, sito marketing e documentazione di deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/services/mediamtx/client.rb

@@ -0,0 +1,101 @@
+require "set"
+
+module Mediamtx
+  class Client
+    class Error < StandardError; end
+
+    def initialize(base_url: MatchLiveTv.mediamtx_api_url)
+      @conn = Faraday.new(url: base_url) do |f|
+        f.request :json
+        f.response :json
+        f.adapter Faraday.default_adapter
+      end
+    end
+
+    def create_path(session)
+      path = session.mediamtx_path_name
+      record = session.match.team.entitlements.recording_enabled_for_mediamtx?
+      body = {
+        source: "publisher",
+        overridePublisher: true,
+        record: record,
+        recordPath: "/recordings/%path/%Y-%m-%d_%H-%M-%S",
+        recordSegmentDuration: "60s"
+      }
+      unless session.matchlivetv_platform?
+        body[:runOnReady] = run_on_ready_script(session)
+        body[:runOnReadyRestart] = true
+        body[:runOnNotReady] = webhook_curl(session, "disconnect")
+      end
+      response = @conn.post("/v3/config/paths/add/#{CGI.escape(path)}", body)
+      unless response.success?
+        err = response.body.is_a?(Hash) ? response.body["error"] : response.body
+        raise Error, "MediaMTX path create failed: #{response.status} #{err}"
+      end
+      true
+    end
+
+    def delete_path(session)
+      delete_path_name(session.mediamtx_path_name)
+    end
+
+    def delete_path_name(path_name)
+      @conn.post("/v3/config/paths/delete/#{CGI.escape(path_name)}")
+    end
+
+    def list_paths
+      response = @conn.get("/v3/paths/list")
+      return [] unless response.success?
+
+      body = response.body
+      body.is_a?(Hash) ? (body["items"] || []) : []
+    rescue Error, Faraday::Error
+      []
+    end
+
+    def online_path_names
+      Set.new(list_paths.filter_map { |item| item["name"] if item["online"] })
+    end
+
+    private
+
+    def publish_webhook(session)
+      webhook_curl(session, "connect")
+    end
+
+    def disconnect_webhook(session)
+      webhook_curl(session, "disconnect")
+    end
+
+    def webhook_curl(session, event)
+      secret = MatchLiveTv.mediamtx_webhook_secret
+      rails = ENV.fetch("RAILS_WEBHOOK_URL", "http://rails:3000")
+      payload = %({"session_id":"#{session.id}"})
+      # MediaMTX image non include curl; wget è disponibile nell'immagine ufficiale
+      <<~SCRIPT.squish
+        wget -q -O- --post-data='#{payload}' --header='Content-Type: application/json'
+        --header="X-MediaMTX-Signature: $(printf '%s' '#{payload}' | openssl dgst -sha256 -hmac '#{secret}' | cut -d' ' -f2)"
+        #{rails}/webhooks/mediamtx/#{event}
+      SCRIPT
+    end
+
+    def run_on_ready_script(session)
+      connect = webhook_curl(session, "connect")
+      return connect if session.matchlivetv_platform?
+
+      "#{connect} & #{relay_script(session)}"
+    end
+
+    def relay_script(session)
+      return "echo 'no youtube key'" if session.stream_key.blank?
+      return "echo 'youtube relay skipped'" unless session.platform == "youtube"
+
+      key = session.stream_key
+      path = session.mediamtx_path_name
+      <<~SCRIPT.squish
+        ffmpeg -re -i rtmp://127.0.0.1:1935/#{path} -c copy -f flv
+        rtmp://a.rtmp.youtube.com/live2/#{key} 2>/var/log/ffmpeg-#{path}.log
+      SCRIPT
+    end
+  end
+end