class Ogrinfo2Migration

# File lib/ogrinfo2migration.rb, line 21
def initialize(file, outdir)
  @outdir = outdir
  @info = %x(ogrinfo -so -al #{file}).split("\n")
  @info.shift(3)
  @attributes = @info.reduce(Hash.new(0)) do |memo, it|
    if it =~ /:/ && it !~ Regexp.new("(#{RESERVED.join("|")})")
      name, type = it.split(":")
      name = name.downcase.gsub(/ /,"_")
      type = type.gsub(/\([\d\.]+\)/,"").strip.downcase
      type = TYPES[type] ? TYPES[type] : type
      memo[name] = type
    end
    memo
  end
end

# File lib/ogrinfo2migration.rb, line 43
def get_epsg
  if wkt == "(unknown)"
    @epsg = nil
    return
  end
  j = JSON.parse(RestClient.get("http://prj2epsg.org/search.json?mode=wkt&terms=#{URI.encode(wkt)}"))
  if !j || (j['codes'] && j['codes'].length < 1)
    @epsg = nil
    return
  end
  @epsg = j['codes'][0]['code']
end

# File lib/ogrinfo2migration.rb, line 56
def to_migration
  get_epsg
  migration = ERB.new(File.open("#{File.expand_path(File.dirname(__FILE__))}/tmpl.erb",'r').read).result(binding)
  File.open("#{@outdir}#{Time.now.utc.strftime("%Y%m%d%H%M%S")}_add_#{@attributes["layer_name"]}.rb", "w") do |f|
    f.write migration
  end
end