Module: PageletsHelper

Included in:
PageletProxyController
Defined in:
app/helpers/pagelets_helper.rb

Instance Method Summary collapse

Instance Method Details

#add_pagelet_stream(key, &block) ⇒ Object 



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# File 'app/helpers/pagelets_helper.rb', line 42

def add_pagelet_stream key, &block
  objects = pagelet_stream_objects
  raise "duplicate key: #{key}" if objects.has_key?(key)
  objects[key] = block
  request.instance_variable_set(:@pagelet_stream_objects, objects)
end

#html_container_attributes ⇒ Object 



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# File 'app/helpers/pagelets_helper.rb', line 3

def html_container_attributes
  html_opts = pagelet_options.html.deep_dup || {}
  classes = html_opts.fetch(:class, '').split(' ')
  classes << "pagelet-#{controller_name}"
  classes << "pagelet-#{controller_name}-#{action_name}"

  html_opts[:id] ||= pagelet_default_id
  html_opts[:class] = classes.join(' ')

  html_opts['data-pagelet-container'] = true
  html_opts['data-pagelet-options'] = pagelet_encoded_original_options(
    html: {id: html_opts[:id]}
  )

  if Rails.env.development?
    html_opts['data-debug'] = PageletRails::Encryptor.decode(html_opts['data-pagelet-options'])
  end

  html_opts['data-pagelet-tags'] = identified_by.join(' ')
  html_opts['data-widget-url'] = url_for(params.to_unsafe_h)

  if pagelet_options.ajax_group
    html_opts['data-pagelet-group'] = pagelet_options.ajax_group
  end
  html_opts
end

#pagelet(path, p_options = {}) ⇒ Object 



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# File 'app/helpers/pagelets_helper.rb', line 53

def pagelet path, p_options = {}
  Rails.logger.info "Rendering pagelet #{path}"

  p_params = p_options.delete(:params) { {} }.with_indifferent_access

  if path.is_a? Symbol
    path = self.send("#{path}_url", p_params)
  else
    uri = URI(path)
    p_params.merge! Rack::Utils.parse_nested_query(uri.query)
    p_options.merge! remote: false
  end

  path_opts = Rails.application.routes.recognize_path(path)
  p_params.reverse_merge!(path_opts)

  controller_class = path_opts[:controller].camelize.concat('Controller').constantize
  action = path_opts[:action]


  if p_options[:remote] == :stream
    html_id = p_options.dig(:html, :id) || pagelet_default_id
    p_options.deep_merge! html: { id: html_id }

    add_pagelet_stream html_id, &Proc.new {
      pagelet path, p_options.merge(remote: false)
    }
  end

  unless p_options.delete(:skip_parent_params)
    parent_params =
      if params.respond_to?(:to_unsafe_h)
        params.to_unsafe_h
      else
        params.to_h
      end

    p_options.deep_merge!(parent_params: parent_params)
  end

  c = controller_class.new
  c.pagelet_options p_options
  c.pagelet_options original_options: p_options

  env = request.env.select do |key, _value|
    case key.to_s
    when /^action_dispatch\.request/i,
      /^action_controller/i,
      /^rack\.request/i,
      /^request/i,
      'HTTP_ACCEPT',
      'CONTENT_TYPE',
      'CONTENT_LENGTH',
      'REQUEST_METHOD'
      false
    else
      true
    end
  end

  env['HTTP_X_REQUESTED_WITH'] = "XMLHttpRequest"
  env = Rack::MockRequest.env_for(path, env)

  p_request = ActionDispatch::Request.new(env)
  p_request.parameters.clear
  p_request.parameters.merge! p_params

  if c.method(:dispatch).arity == 3
    p_response = controller_class.make_response! p_request
    c.dispatch(action, p_request, p_response)
  else
    c.dispatch(action, p_request)
  end

  body = c.response.body
  body.html_safe
end

#pagelet_default_id ⇒ Object 



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# File 'app/helpers/pagelets_helper.rb', line 38

def pagelet_default_id
  "pagelet_#{rand(2**60).to_s(36)}"
end

#pagelet_stream ⇒ Object 



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# File 'app/helpers/pagelets_helper.rb', line 30

def pagelet_stream
  return nil if pagelet_stream_objects.empty?
  pagelet_stream_objects.each do |key, block|
    concat content_tag('script', raw("PageletRails.pageletArrived('#{key}', '#{j capture(&block)}');\n"), type: 'text/javascript')
  end
  nil
end

#pagelet_stream_objects ⇒ Object 



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# File 'app/helpers/pagelets_helper.rb', line 49

def pagelet_stream_objects
  request.instance_variable_get(:@pagelet_stream_objects) || {}
end