Gender detection testing app

gender_detection.rb

require 'csv'
require 'net/http'
require 'json'
require 'beauvoir'
require 'sexmachine'


names_with_gender = []
CSV.foreach('input.csv') do |row|
  names_with_gender << row
end

class Genderize
  attr_reader :names_with_gender, :names
  def initialize(names=[])
    @names = names
    @names_with_gender = []
    if File.exists?('cache.json')
      call_cache
    else
      call
    end
  end

  def guess(name)
    names_with_gender[@names.index(name)][1]
  end

  def call
    parse(Net::HTTP.get(uri))
  end

  def call_cache
    parse(File.open('cache.json').readlines().first)
  end

  def parse(res)
    JSON.parse(res).each do |genderize|
      names << genderize['name']
      names_with_gender << [genderize['name'], clean_gender(genderize['gender'])]
    end
  end

  def clean_gender(gender)
    if gender
      gender
    else
      "unknown"
    end
  end

  def uri
    pre_query_string = []
    names.each_with_index do |name, index|
      pre_query_string << "name[#{index}]=#{name}"
    end
    URI("http://api.genderize.io?" + pre_query_string.join("&"))
  end
end

class SexMachinizer
  def initialize
    @detector = SexMachine::Detector.new(unknown_value: 'unknown')
  end

  def guess(name)
    clean(@detector.get_gender(name).to_s)
  end

  def clean(gender)
    if /\_/ =~ gender
      gender.split('_')[1]
    else
      gender
    end
  end
end

beauvoir = Beauvoir::Categorizer.new
sex_machinizer = SexMachinizer.new
genderize = Genderize.new

CSV.open('output.csv', 'w') do |csv|
  names_with_gender.sort_by { |name_with_gender| name_with_gender[0] }.each do |row|
    row << beauvoir.guess(row[0])
    row << sex_machinizer.guess(row[0])
    row << genderize.guess(row[0])
    csv << row
  end
end