Class: RightScaleSelfService::Api::Resource

Inherits:
Object
  • Object
show all
Defined in:
lib/rightscale_selfservice/api/resource.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, service) ⇒ Resource

Returns a new instance of Resource.



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# File 'lib/rightscale_selfservice/api/resource.rb', line 26

def initialize(name, service)
  @name = name
  @service = service
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object

Finds the specified action and executes it for this resource



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# File 'lib/rightscale_selfservice/api/resource.rb', line 33

def method_missing(name, *args)
  actions_with_name = @service.client.interface["services"][@service.name][@service.version][@name]["controller"]["actions"].select{|a| a["name"] == name.to_s}
  actions = @service.client.interface["services"][@service.name][@service.version][@name]["controller"]["actions"].map{|a| a["name"]}
  unless actions_with_name.length > 0
    raise "No action named \"#{name}\" was found on resource \"#{@name}\" in version \"#{@service.version}\" of service \"#{@service.name}\". Available actions are [#{actions.join(',')}]"
  end

  action = actions_with_name.first
  method = action["urls"].first.first.downcase.to_sym
  url = @service.base_url
  url += action["urls"].first.last
  tokens = RightScaleSelfService::Api::Client.
  tokens.each do |token|
    url.gsub!(token, @service.client.)
  end

  params = {:method => method, :url => url, :headers => {"X_API_VERSION" => @service.version}}
  if args.length > 0
    args[0].each do |k,v|
      if url.include? ":#{k}"
        url.gsub!(":#{k}",v)
        args[0].delete(k)
      end
    end

    if args[0].length > 0
      # Detect if a param is a file, using the same mechanism as
      # rest-client
      #
      # https://github.com/rest-client/rest-client/blob/master/lib/restclient/payload.rb#L33
      if args[0].select{|k,v| v.respond_to?(:path) && v.respond_to?(:read) }.length > 0
        params[:payload] = args[0]
      else
        params[:payload] = URI.encode_www_form(args[0])
        args[0].each do |k,v|
          if v.is_a?(Array)
            params[:payload].gsub!("#{k}=","#{k}[]=")
          end
        end
      end
    end

    if method == :get && params.has_key?(:payload)
      params[:url] += "?#{params[:payload]}"
      params.delete(:payload)
    end
  end

  request = @service.client.get_authorized_rest_client_request(params)
  if args.length > 1 && args[1]
    request
  else
    response = request.execute
  end
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/rightscale_selfservice/api/resource.rb', line 23

def name
  @name
end

#service ⇒ Object

Returns the value of attribute service.



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# File 'lib/rightscale_selfservice/api/resource.rb', line 24

def service
  @service
end