Class: Garb::Request::Data

Inherits:
Object
  • Object
show all
Defined in:
lib/garb/request/data.rb

Instance Method Summary collapse

Constructor Details

#initialize(session, base_url, parameters = {}) ⇒ Data

Returns a new instance of Data.



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# File 'lib/garb/request/data.rb', line 4

def initialize(session, base_url, parameters = {})
  @session, @base_url, @parameters = session, base_url, parameters
end

Instance Method Details

#absolute_uri ⇒ Object 



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# File 'lib/garb/request/data.rb', line 23

def absolute_uri
  uri.to_s + query_string
end

#handle_response(response) ⇒ Object 



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# File 'lib/garb/request/data.rb', line 48

def handle_response(response)
  unless response.kind_of?(Net::HTTPSuccess) || (response.respond_to?(:status) && response.status == 200)
    body, parsed = response.body, MultiJson.load(response.body) rescue nil
    if parsed and error = parsed['error']
      klass = case error['code']
        when 400 then BadRequestError
        when 401 then InvalidCredentialsError
        when 403 then InsufficientPermissionsError
        when 503 then BackendError
        else ClientError
      end
      raise klass.new(absolute_uri, error['message'], error['code'], error['errors'])
    else
      raise ClientError.new(absolute_uri, body)
    end
  end
  response
end

#oauth_user_request ⇒ Object 



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# File 'lib/garb/request/data.rb', line 93

def oauth_user_request
  @session.access_token.get(absolute_uri, {'GData-Version' => '3'})
end

#parameters ⇒ Object 



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# File 'lib/garb/request/data.rb', line 8

def parameters
  @parameters ||= {}
  @parameters['key'] ||= @session.api_key unless @session.api_key.nil?
  @parameters
end

#query_string ⇒ Object 



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# File 'lib/garb/request/data.rb', line 14

def query_string
  params_list = parameters.map { |k, v| "#{k}=#{v}" }.join('&')
  params_list.empty? ? '' : "?#{params_list}"
end

#relative_uri ⇒ Object 



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# File 'lib/garb/request/data.rb', line 27

def relative_uri
  uri.path.to_s + query_string
end

#send_request ⇒ Object 



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# File 'lib/garb/request/data.rb', line 31

def send_request
  Garb.log "Garb::Request -> #{relative_uri}"
  
  response = if @session.single_user?
    if Garb.use_fibers
      single_user_request_evented
    else
      single_user_request
    end
  elsif @session.oauth_user?
    oauth_user_request
  end
  
  Garb.log "Garb::Response -> #{response.inspect}"
  handle_response response
end

#single_user_request ⇒ Object 



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# File 'lib/garb/request/data.rb', line 76

def single_user_request
  http = Net::HTTP.new(uri.host, uri.port, Garb.proxy_address, Garb.proxy_port)
  http.open_timeout = Garb.open_timeout
  http.read_timeout = Garb.read_timeout
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE

  unless @session.access_token.nil?
    http.request_get(relative_uri, {'Authorization' => "Bearer #{@session.access_token.token}"})
  else
    http.request_get(relative_uri, {
      'Authorization' => "GoogleLogin auth=#{@session.auth_token}",
      'GData-Version' => '3'
    })
  end
end

#single_user_request_evented ⇒ Object 



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# File 'lib/garb/request/data.rb', line 67

def single_user_request_evented
  f = Fiber.current
  fiber = Fiber.new do
    f.resume single_user_request
  end
  fiber.resume
  Fiber.yield
end

#uri ⇒ Object 



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# File 'lib/garb/request/data.rb', line 19

def uri
  @uri ||= URI.parse(@base_url)
end