seeds.rb

require 'yaml'

asset_path = File.expand_path(File.dirname(__FILE__) + '/../lib/assets/content/')
assets = Dir.glob(asset_path + '/*.yml')

assets.each do |url|
  key = File.basename(url, '.yml')
  parsed = YAML.load_file(url)
  if parsed
    klass = Admin.const_get(key.classify)
    parsed.each do |data|
      item = klass.create(data)
      if !item.persisted?
        puts "Could not save #{klass.name} because #{item.errors.to_a}"
      end
    end
  end
end