gistfile1.txt

require 'xmlsimple'
require 'json'

class WebAPI

  def self.districts(city_id = nil)
    params ||= {:ciudad_id => city_id} if city_id
    loadJSON("distritos", params)
  end

  def self.cities(country_id = nil)
    params ||= {:pais_id => country_id} if country_id
    loadJSON("ciudades",params)
  end

  def self.countries
    loadJSON("paises")
  end

  def self.country_name(id)
    WebAPI.find_name("paises",id)
  end

  def self.city_name(id)
    WebAPI.find_name("ciudades",id)
  end

  def self.district_name(id)
    WebAPI.find_name("distritos",id)
  end

  def self.find_name(kind, id)
    path = "http://semanaeconomica.com/#{kind}/#{id}.json"
    Rails.logger.info path
    req = HTTParty.get(path)
    Rails.logger.info req.inspect
    o = JSON.parse(req.body)

    o["nombre"]
  rescue Exception => ex
    Rails.logger.info ex.message
    ""
  end

  def self.loadJSON(path,params={})
    Rails.logger.info "Loading"
    Rails.logger.info path
    Rails.logger.info params.inspect
    @cache ||= {}
    key = path
    path = "http://semanaeconomica.com/#{path}.json"
    @cache[[key, params.hash]] ||= JSON.parse(HTTParty.get(path, :query => params).body).map{|h| [h["nombre"],h["id"]]}
  end


end