HAML to ERB converter with herbalizer

haml2erb.rb

#!/usr/bin/env ruby
# frozen_string_literal: true

require "httparty"

class Converter
  def initialize(filename)
    @content = File.open(filename).read
  end
  attr_reader :content

  def erb
    raise request["error"] unless request["success"]

    request["erb"]
  end

  private

  def request
    @request ||= HTTParty.post("https://haml2erb.org/api/convert", multipart: true, body: body)
  end

  def body
    { converter: "herbalizer", haml: content }
  end
end

if __FILE__ == $PROGRAM_NAME
  if ARGV.empty?
    puts "View(s) path must be given"
    exit(1)
  end

  path = ARGV[0].chomp("/")

  if File.directory?(path)
    files = `find #{path} -mindepth 1 -type f -name "*.haml"`.split("\n")
  else
    files = [path]
  end

  files.each do |file|
    new_file_path = file.sub(".haml", ".erb")

    erb = Converter.new(file).erb
    File.open(new_file_path, 'w') { |f| f.write(erb) }

    `rm #{file}`
    `$EDITOR #{new_file_path}`
  rescue StandardError => e
    puts "Error while converting \"#{file}\" #{e}"
    next
  end
end