Class: OpenCalais::Response

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(response) ⇒ Response

Returns a new instance of Response.



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# File 'lib/open_calais/response.rb', line 8

def initialize(response)
  @raw  = response

  @language = 'English'
  @topics    = []
  @tags      = []
  @entities  = []
  @relations = []
  @locations = []

  parse(response)
end

Instance Attribute Details

#entities ⇒ Object

Returns the value of attribute entities.



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# File 'lib/open_calais/response.rb', line 6

def entities
  @entities
end

#language ⇒ Object

Returns the value of attribute language.



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# File 'lib/open_calais/response.rb', line 6

def language
  @language
end

#locations ⇒ Object

Returns the value of attribute locations.



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# File 'lib/open_calais/response.rb', line 6

def locations
  @locations
end

#raw ⇒ Object

Returns the value of attribute raw.



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# File 'lib/open_calais/response.rb', line 6

def raw
  @raw
end

#relations ⇒ Object

Returns the value of attribute relations.



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# File 'lib/open_calais/response.rb', line 6

def relations
  @relations
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/open_calais/response.rb', line 6

def tags
  @tags
end

#topics ⇒ Object

Returns the value of attribute topics.



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# File 'lib/open_calais/response.rb', line 6

def topics
  @topics
end

Instance Method Details

#humanize_topic(topic) ⇒ Object 



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# File 'lib/open_calais/response.rb', line 21

def humanize_topic(topic)
  topic.gsub('_', ' & ').titleize.remove_formatting
end

#importance_to_score(imp) ⇒ Object 



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# File 'lib/open_calais/response.rb', line 25

def importance_to_score(imp)
  case imp
  when 1 then 0.9
  when 2 then 0.7
  else 0.5
  end
end

#parse(response) ⇒ Object 



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# File 'lib/open_calais/response.rb', line 33

def parse(response)
  r = response.body
  @language = r.doc.meta.language rescue nil
  @language = nil if @language == 'InputTextTooShort'

  r.each do |k,v|
    case v._typeGroup
    when 'topics'
      self.topics << {:name => humanize_topic(v.name), :score => v.score.to_f, :original => v.name}
    when 'socialTag'
      self.tags << {:name => v.name.gsub('_', ' and ').downcase, :score => importance_to_score(v.importance)}
    when 'entities'
      item = {:guid => k, :name => v.name, :type => v._type.remove_formatting.titleize, :score => 1.0}

      instances = Array(v.instances).select{|i| i.exact.downcase != item[:name].downcase }
      item[:matches] = instances if instances && instances.size > 0

      if OpenCalais::GEO_TYPES.include?(v._type)
        if (v.resolutions && v.resolutions.size > 0)
          r = v.resolutions.first
          item[:name]      = r.shortname || r.name
          item[:latitude]  = r.latitude
          item[:longitude] = r.longitude
          item[:country]   = r.containedbycountry if r.containedbycountry
          item[:state]     = r.containedbystate if r.containedbystate
        end
        self.locations << item
      else
        self.entities << item
      end
    when 'relations'
      item = v.reject{|k,v| k[0] == '_' || k == 'instances'} || {}
      item[:type] = v._type.remove_formatting.titleize
      self.relations << item
    end
  end

  # remove social tags which are in the topics list already
  topic_names = self.topics.collect{|topic| topic[:name].downcase}
  self.tags.delete_if{|tag| topic_names.include?(tag[:name]) }
end