gistfile1.builder

# Allow the metal piece to run in isolation
require File.expand_path('../../../config/environment',  __FILE__) unless defined?(Rails)

class AutoComplete
  def self.call(env)
    if env["PATH_INFO"] =~ /^\/auto_complete\/tags/
      params = Rack::Request.new(env).params
      sql = "SELECT name
             FROM tags
             WHERE name LIKE #{ActiveRecord::Base.connection.quote(params['q']+'%')}
             LIMIT 10"
      [200, {"Content-Type" => "application/json"},
        [ActiveRecord::Base.connection.select_values(sql).to_json]
      ]
      [404, {"Content-Type" => "text/html", "X-Cascade" => "pass"}, ["Not Found"]]
    end
  end
end