Module: ScoutApm::AttributeArranger

Defined in:
lib/scout_apm/attribute_arranger.rb

Class Method Summary collapse

Class Method Details

.call(subject, attributes_list) ⇒ Object

pass in an array of symbols to return as hash keys if the symbol doesn’t match the name of the method, pass an array: [:key, :method_name]



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# File 'lib/scout_apm/attribute_arranger.rb', line 5

def self.call(subject, attributes_list)
  attributes_list.inject({}) do |attribute_hash, attribute|
    case attribute
    when Array
      attribute_hash[attribute[0]] = subject.send(attribute[1])
    when :bucket
      attribute_hash[attribute] = subject.bucket_type
    when :name
      attribute_hash[attribute] = subject.bucket_name
    when Symbol
      data = subject.send(attribute)

      # Never try to `as_json` a time object, since it'll break if the
      # app has the Oj gem set to mimic_JSON, and there's never
      # anything interesting nested inside of a Time obj. We just want
      # the ISO8601 string (which happens later in the payload
      # serializing process)
      if data.is_a?(Time)
        attribute_hash[attribute] = data
      elsif data.respond_to?(:as_json)
        attribute_hash[attribute] = data.as_json
      else
        attribute_hash[attribute] = data
      end
    end
    attribute_hash
  end
end