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/youtube/oauth_refresh.rb

@@ -0,0 +1,31 @@
+module Youtube
+  class OauthRefresh
+    TOKEN_URL = "https://oauth2.googleapis.com/token".freeze
+
+    def initialize(credential)
+      @credential = credential
+    end
+
+    def apply!(service)
+      refresh! if @credential.expired?
+      service.authorization = @credential.access_token
+      service
+    end
+
+    def refresh!
+      response = Faraday.post(TOKEN_URL, {
+        client_id: ENV["YOUTUBE_CLIENT_ID"],
+        client_secret: ENV["YOUTUBE_CLIENT_SECRET"],
+        refresh_token: @credential.refresh_token,
+        grant_type: "refresh_token"
+      })
+      data = JSON.parse(response.body)
+      raise Youtube::BroadcastService::Error, data["error"] if data["error"]
+
+      @credential.update!(
+        access_token: data["access_token"],
+        expires_at: Time.current + data["expires_in"].to_i.seconds
+      )
+    end
+  end
+end