Class: Alexa::TrafficHistory

Inherits:
Object
  • Object
show all
Defined in:
lib/alexa/traffic_history.rb,
lib/alexa/traffic_history/historical_data.rb

Defined Under Namespace

Classes: ArgumentException, HistoricalData

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data = {}) ⇒ TrafficHistory 



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# File 'lib/alexa/traffic_history.rb', line 12

def initialize(data = {})
  @options = {
    'Action'           => 'TrafficHistory',
    'AWSAccessKeyId'   => Alexa.config.access_key_id,
    'Timestamp'        => ( Time::now ).utc.strftime("%Y-%m-%dT%H:%M:%S.000Z"),
    'ResponseGroup'    => 'History',
    'SignatureVersion' => 2,
    'SignatureMethod'  => 'HmacSHA256',
    'Version'          => '2005-07-11',
    'Range'            => nil,
    'StartDate'        => nil,
    'Url'              => nil,
  }

  if data['historical_data']
    @historical_data = data['historical_data']
  end

  if data['range']
    @range = data['range']
  end

  if data['site']
    @site = data['site']
  end

  if data['start']
    @start = data['start']
  end

  if Alexa.config.proxy
    RestClient.proxy = Alexa.config.proxy
  end
end

Instance Attribute Details

#historical_data ⇒ Object (readonly)

Returns the value of attribute historical_data.



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# File 'lib/alexa/traffic_history.rb', line 10

def historical_data
  @historical_data
end

#range ⇒ Object (readonly)

Returns the value of attribute range.



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# File 'lib/alexa/traffic_history.rb', line 10

def range
  @range
end

#site ⇒ Object (readonly)

Returns the value of attribute site.



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# File 'lib/alexa/traffic_history.rb', line 10

def site
  @site
end

#start ⇒ Object (readonly)

Returns the value of attribute start.



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# File 'lib/alexa/traffic_history.rb', line 10

def start
  @start
end

Class Method Details

.from_mongo(value) ⇒ Object 



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# File 'lib/alexa/traffic_history.rb', line 86

def self.from_mongo(value)
  return nil   if value.nil?
  return value if value.is_a?(self)

  self.new('range'           => value['range'],
           'site'            => value['site'],
           'start'           => value['start'],
           'historical_data' => HistoricalData.from_mongo(value['historical_data']))
end

.to_mongo(value) ⇒ Object 



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# File 'lib/alexa/traffic_history.rb', line 74

def self.to_mongo(value)
  return nil   if value.nil?
  return value if value.is_a? Hash

  return {
    'range'           => value.range.to_s,
    'site'            => value.site.to_s,
    'start'           => value.start.to_s,
    'historical_data' => value.historical_data.to_mongo,
  }
end

Instance Method Details

#fetch(options = {}) ⇒ Object

Raises:



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# File 'lib/alexa/traffic_history.rb', line 56

def fetch(options = {})
  @options.merge!(options)
  @options.delete_if { |k,v| v.nil? }

  raise ArgumentException.new('Url field is empty!') unless @options['Url']

  response = RestClient.get(url)
  data = Nokogiri::XML(response.to_s)
  data.remove_namespaces!

  @range = data.xpath('//TrafficHistory/Range').first.text.strip
  @site  = data.xpath('//TrafficHistory/Site').first.text.strip
  @start = data.xpath('//TrafficHistory/Start').first.text.strip
  @historical_data = HistoricalData.new(data.xpath('//HistoricalData').first)

  self
end

#signature ⇒ Object 



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# File 'lib/alexa/traffic_history.rb', line 47

def signature
  Alexa.sign(@options)
end

#to_mongo ⇒ Object 



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# File 'lib/alexa/traffic_history.rb', line 96

def to_mongo
  self.class.to_mongo(self)
end

#url ⇒ Object 



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# File 'lib/alexa/traffic_history.rb', line 51

def url
  qs = Alexa.query_string(@options)
  'http://' + ::Alexa::SERVICE_HOST + '/?' + qs + '&Signature=' + signature
end