Module: AsyncHelper

Defined in:
app/helpers/async_helper.rb

Instance Method Summary collapse

Instance Method Details

#asynchronously ⇒ Object 



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# File 'app/helpers/async_helper.rb', line 2

def asynchronously
  id = Time.new.to_i
  id = "#{ id }#{ AsyncCache.instance.counter }"

  # insert javascript callback
  safe_concat %{
    <div id="#{id}">
      Loading... #{ image_tag('spinner.gif') }
    </div>
    <script>
      $(function () {
        $.getJSON(
          "/async/#{id}", 
          function (data) {
            $('##{id}').html(data.content)
          }
        );
      }); 
    </script>
  }
  
  AsyncCache.instance.schedule do
    # anything rendered within capture will be stored in _content
    _content = capture do
      yield
    end
    AsyncCache.instance.write(id, _content)
  end
end