require 'mini_magick'

class Harmony::Service::Utils::Image
  def resize(uri, max_file_size)
    output_filepath = "/tmp/output.#{DateTime.now.strftime('%Q')}.png"
    image = MiniMagick::Image.open(uri)
    image.define "extent=#{max_file_size}"
    image.format 'jpeg'
    image.write output_filepath
    File.new(output_filepath)
  end
end