xco.rb

def aggregator(isos, meth)
  countries_array = JSON.parse(Typhoeus.get(UriBuilder.new('/countries').url, cache_ttl: 900).response_body)        
   
  country_array = countries_array.select do |hash|        
    isos.include?(hash['countryInfo']['iso2'])          
  end          
    
  country_array.inject do |base, other|
    base.merge(other) do |key, left, right|
      left ||= 0          
      right ||= 0          
      
      left + right unless %w[country countryInfo].include?(key)
    end
  end.compact          
    
  meth === data        
rescue JSON::ParserError        
  puts SERVER_DOWN        
end