Module: Pushkin::ActionView::Helpers

Defined in:
lib/pushkin/action_view/helpers.rb

Instance Method Summary collapse

Instance Method Details

#publish_to(channel, data = nil, &block) ⇒ Object

Publish the given data or block to the client by sending a Faraday POST request to the Faye server. If a block or string is passed in, it is evaluated as JavaScript on the client. Otherwise it will be converted to JSON for use in a JavaScript callback.



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# File 'lib/pushkin/action_view/helpers.rb', line 10

def publish_to(channel, data = nil, &block)
  PrivatePub.publish_to(channel, data || capture(&block))
end

#subscribe_to(channel) ⇒ Object

Subscribe the client to the given channel. This generates some JavaScript calling PrivatePub.sign with the subscription options.



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# File 'lib/pushkin/action_view/helpers.rb', line 17

def subscribe_to(channel)
  subscription = PrivatePub.subscription(:channel => channel)
  content_tag "script", :type => "text/javascript" do
    raw("PrivatePub.sign(#{subscription.to_json});")
  end
end