Class: Sixpack::Session

Inherits:
Object
  • Object
show all
Defined in:
lib/sixpack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client_id = nil, options = {}, params = {}) ⇒ Session

Returns a new instance of Session.



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# File 'lib/sixpack.rb', line 24

def initialize(client_id=nil, options={}, params={})
  default_options = {:base_url => Sixpack.base_url}
  options = default_options.merge(options)
  @base_url = options[:base_url]

  default_params = {:ip_address => nil, :user_agent => :nil}
  params = default_params.merge(params)

  @ip_address = params[:ip_address]
  @user_agent = params[:user_agent]

  if client_id.nil?
    @client_id = Sixpack::generate_client_id()
  else
    @client_id = client_id
  end
end

Instance Attribute Details

#base_url ⇒ Object

Returns the value of attribute base_url.



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# File 'lib/sixpack.rb', line 22

def base_url
  @base_url
end

#client_id ⇒ Object

Returns the value of attribute client_id.



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# File 'lib/sixpack.rb', line 22

def client_id
  @client_id
end

#ip_address ⇒ Object

Returns the value of attribute ip_address.



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# File 'lib/sixpack.rb', line 22

def ip_address
  @ip_address
end

#user_agent ⇒ Object

Returns the value of attribute user_agent.



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# File 'lib/sixpack.rb', line 22

def user_agent
  @user_agent
end

Instance Method Details

#build_params(params) ⇒ Object 



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# File 'lib/sixpack.rb', line 82

def build_params(params)
  unless @ip_address.nil?
    params[:ip_address] = @ip_address
  end
  unless @user_agent.nil?
    params[:user_agent] = @user_agent
  end
  params
end

#convert(experiment_name) ⇒ Object 



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# File 'lib/sixpack.rb', line 74

def convert(experiment_name)
  params = {
    :client_id => @client_id,
    :experiment => experiment_name
  }
  self.get_response("/convert", params)
end

#get_response(endpoint, params) ⇒ Object 



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# File 'lib/sixpack.rb', line 92

def get_response(endpoint, params)
  uri = URI.parse(@base_url)
  http = Net::HTTP.new(uri.host, uri.port)

  if uri.scheme == "https"
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  end

  http.open_timeout = 0.25
  http.read_timeout = 0.25
  query = Addressable::URI.form_encode(self.build_params(params))

  begin
    res = http.start do |http|
      http.get(uri.path + endpoint + "?" + query)
    end
  rescue
    return {"status" => "failed", "error" => "http error"}
  end
  if res.code == "500"
    {"status" => "failed", "response" => res.body}
  else
    JSON.parse(res.body)
  end
end

#participate(experiment_name, alternatives, force = nil) ⇒ Object 



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# File 'lib/sixpack.rb', line 42

def participate(experiment_name, alternatives, force=nil)
  if !(experiment_name =~ /^[a-z0-9][a-z0-9\-_ ]*$/)
    raise ArgumentError, "Bad experiment_name"
  end

  if alternatives.length < 2
    raise ArgumentError, "Must specify at least 2 alternatives"
  end

  alternatives.each { |alt|
    if !(alt =~ /^[a-z0-9][a-z0-9\-_ ]*$/)
      raise ArgumentError, "Bad alternative name: #{alt}"
    end
  }

  params = {
    :client_id => @client_id,
    :experiment => experiment_name,
    :alternatives => alternatives
  }
  if !force.nil? && alternatives.include?(force)
    return {"status" => "ok", "alternative" => {"name" => force}, "experiment" => {"version" => 0, "name" => experiment_name}, "client_id" => @client_id}
  end

  res = self.get_response("/participate", params)
  # On server failure use control
  if res["status"] == "failed"
    res["alternative"] = {"name" => alternatives[0]}
  end
  res
end