有没有人能够通过 Koala 向 Facebook 订阅 Page Feed?我可以订阅用户喜欢、朋友、Feed 等以及页面照片、签到。但我无法让 Facebook 订阅并在 Page Feeds 上发回更新。这是我通过 Rails 控制台运行的内容(回发网址已更改)
updates.subscribe("page", "feed", "http://domain.com/facebook_updates", FacebookUpdatesController::VERIFY_TOKEN)
Koala::Facebook::APIError: OAuthException: (#100) "feed" is an invalid field name
from /opt/ruby/lib/ruby/gems/1.9.1/gems/koala-1.2.1/lib/koala/graph_api.rb:217:in `block in graph_call'
from /opt/ruby/lib/ruby/gems/1.9.1/gems/koala-1.2.1/lib/koala.rb:69:in `api'
from /opt/ruby/lib/ruby/gems/1.9.1/gems/koala-1.2.1/lib/koala/graph_api.rb:215:in `graph_call'
from /opt/ruby/lib/ruby/gems/1.9.1/gems/koala-1.2.1/lib/koala/realtime_updates.rb:62:in `subscribe'
from (irb):66
from /opt/ruby/lib/ruby/gems/1.9.1/gems/railties-3.1.0/lib/rails/commands/console.rb:45:in `start'
from /opt/ruby/lib/ruby/gems/1.9.1/gems/railties-3.1.0/lib/rails/commands/console.rb:8:in `start'
from /opt/ruby/lib/ruby/gems/1.9.1/gems/railties-3.1.0/lib/rails/commands.rb:40:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'