drawio2rails

#!/usr/bin/ruby

integer_attributes = ["order", "progress"]

require "nokogiri"
x = Nokogiri::XML File.read "swift3_db.xml"
referencing = x.xpath("//mxCell").find_all{|e| e["source"]}.collect{|e| e["source"]}
p referencing.sort
result = {}
x.xpath("//mxCell").find_all{|e| e["parent"] == "1" && !e["target"]}.each do |model|
  next if model["value"] =~ /\</
  model["value"]
  result[model["value"]] = x.xpath("//mxCell").find_all{|attr|
    attr["parent"] == model["id"] and not (
      attr["source"] or
      attr["value"] =~ /\</ or
      attr["value"].chomp == "id"
    )
  }.collect{|attr|
    attr["value"].chomp + if referencing.include? attr["id"]
      if referencing.find_all{|r| r == attr["id"]}.length > 1
        ":references{polymorphic}"
      else
       ":references"
      end
    elsif integer_attributes.include? attr["value"]
      ":integer"
    else
      ":string"
    end
  }
end

result.each do |name, attributes|
  puts "rails g scaffold #{name.ljust(result.keys.sort_by(&:length).last.length, " ")} #{attributes.join(" ")}"
end