Class: Summon::Transport::Http

Inherits:
Object
  • Object
show all
Includes:
Qstring
Defined in:
lib/summon/transport/http.rb

Constant Summary collapse

DEFAULTS = 
{:url => "http://api.summon.serialssolutions.com"}

Instance Method Summary collapse

Methods included from Qstring

#encode_param, #from_query_string, #to_query_string, #urldecode, #urlencode

Constructor Details

#initialize(options = {:url => nil, :access_id => nil, :secret_key => nil, :client_key => nil, :session_id => nil, :log => nil}) ⇒ Http

Returns a new instance of Http.



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# File 'lib/summon/transport/http.rb', line 10

def initialize(options = {:url => nil, :access_id => nil, :secret_key => nil, :client_key => nil, :session_id => nil, :log => nil})
  @options    = DEFAULTS.merge options
  @access_id  = @options[:access_id]
  @secret_key = @options[:secret_key]
  @client_key = @options[:client_key]
  @session_id = @options[:session_id] || "SUMMON-SESSION-#{Socket.gethostname}-#{$$}-#{sidalloc}"
  @url        = @options[:url]
  @log        = Summon::Log.new(options[:log])
  @benchmark  = @options[:benchmark] || Summon::Service::Pass.new
end

Instance Method Details

#error(response) ⇒ Object 



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# File 'lib/summon/transport/http.rb', line 92

def error(response)
  case response.content_type
  when "application/json"
    JSON.parse(response.body)["errors"].first["message"]
  else
    status(response)
  end
end

#get(path, params = {}) ⇒ Object 



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# File 'lib/summon/transport/http.rb', line 21

def get(path, params = {})
  session_id = params["s.session.id"]
  params.delete "s.session.id"
  urlget "#{@url}#{path}?#{to_query_string(params, true)}", params, session_id
end

#parse(response) ⇒ Object 



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# File 'lib/summon/transport/http.rb', line 75

def parse(response)
  case response.content_type
  when "application/json"
    JSON.parse(response.body).tap do |json|
      @log.debug("ruby-summon::transport") { "JSON RESPONSE: #{json.inspect}" }
    end
  
  when "text/plain"
    response.body.tap do |text|
      @log.debug("ruby-summon::transport") { "TEXT RESPONSE: #{text.inspect}" }
    end
    
  else
    raise ServiceError, "service returned unexpected #{response.content_type} : #{response.body}"
  end
end

#status(response) ⇒ Object 



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# File 'lib/summon/transport/http.rb', line 101

def status(response)
  "#{response.code}: #{response.message}"
end

#urlget(url, params = nil, session_id = nil) ⇒ Object 



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# File 'lib/summon/transport/http.rb', line 27

def urlget(url, params = nil, session_id = nil)
  @benchmark.report("total:") do
    uri = URI.parse url
    params ||= from_query_string(uri.query)      
    session_id ||= @session_id
    headers = @benchmark.report("calculate headers") do
      Headers.new(
        :url => url,
        :params => params,
        :access_id => @access_id,
        :secret_key => @secret_key,
        :client_key => @client_key,
        :session_id => session_id,
        :log => @log
      )
    end
    @log.info("ruby-summon:transport") {
      "GET: #{url}"
    }
    result = nil
      http = Net::HTTP.new(uri.host, uri.port)
      http.start do
        get = Net::HTTP::Get.new("#{uri.path}#{'?' + uri.query if uri.query && uri.query != ''}")
        get.merge! headers
        response = @benchmark.report("http request") do
          http.request(get)
        end
        case response
          when Net::HTTPSuccess
            @benchmark.report("parse response") do
              result = parse(response)
            end
          when Net::HTTPUnauthorized
            raise AuthorizationError, status(response)
          when Net::HTTPClientError
            raise RequestError, error(response)
          when Net::HTTPServerError
            raise ServiceError, error(response)
          else
            raise UnknownResponseError, "Unknown response: #{response}"
        end
      end

    ###
    result
  end
end