Genarate gmail-britta DSL from mailFilter.xml for gmail, not perfect

generate_britta_dsl_from_xml.rb

require 'nokogiri'
require 'byebug'

f = File.open("./mailFilters.xml")
doc = Nokogiri::XML(f)

body = []
doc.xpath('//xmlns:entry').each do |entry|
  body << "filter {\n"

  properties = entry.xpath('apps:property').map { |property|
    {
      value: property["value"],
      name: property["name"]
    }
  }.reject { |property| %w(sizeUnit sizeOperator).include? property[:name] }

  properties.each do |property|
    code = case property[:name]
           when "shouldMarkAsRead"
             %Q(  mark_read\n)
           when "shouldAlwaysMarkAsImportant"
             %Q(  mark_important\n)
           when "shouldNeverMarkAsImportant"
             %Q(  mark_unimportant\n)
           when "shouldArchive"
             %Q(  archive\n)
           when "shouldTrash"
             %Q(  delete_it\n)
           when "hasTheWord"
             %Q(  has "#{property[:value]}"\n)
           when "doesNotHaveTheWord"
             %Q(  has_not "#{property[:value]}"\n)
           when "forwardTo"
             %Q(  forward_to "#{property[:value]}"\n)
           when "from"

             values = property[:value]
             if values.index(" OR ")
               values.split(" OR ").join(" ")
               %Q(  from or: %w(#{values.split(" OR ").join(" ")})\n)
             else
               %Q(  from "#{values}"\n)
             end
           else
             %Q(  #{property[:name]} "#{property[:value]}"\n)
           end
    body << code
  end

  body << "}\n\n"
end

puts body.join