Files
codeocean/app/channels/application_cable/channel.rb
2023-09-13 17:28:14 +02:00

25 lines
999 B
Ruby

# frozen_string_literal: true
module ApplicationCable
class Channel < ActionCable::Channel::Base
def ensure_confirmation_sent
# Currently, we are required to overwrite this ActionCable method.
# Once called and the subscription confirmation is sent, we call the custom callback.
# See https://github.com/rails/rails/issues/25333.
super
@streaming_confirmation_callback.call if subscription_confirmation_sent? && @streaming_confirmation_callback.present?
end
def send_after_streaming_confirmed(&block)
if connection.server.config.pubsub_adapter.to_s == 'ActionCable::SubscriptionAdapter::Async'
# We can send messages immediately if we're using the async adapter.
yield block
else
# We need to wait for the subscription to be confirmed before we can send further messages.
# Otherwise, the client might not be ready to receive them.
@streaming_confirmation_callback = block
end
end
end
end