Simple Sinatra app that uses the buienradar.nl api's and returns json(p) results

app.rb

# -*- coding: utf-8 -*-
require "rubygems"
require 'sinatra'
require "json"
require "net/http"
require 'rack/contrib/jsonp'

use Rack::JSONP

class Drache

  before do
    content_type :json
  end

  helpers do
    def curl(latitude, longitude)
      Net::HTTP.get('gps.buienradar.nl',"/getrr.php?lat=#{latitude}&lon=#{longitude}").split("\r\n").collect{|s| s.split("|")}.inject({}) {|r, a| r[a.last] = a.first; r}
    end
  end

  get "/" do
    latitude = params[:latitude]
    longitude = params[:longitude]
    return {}.to_json unless latitude && longitude

    curl(latitude, longitude).to_json
  end

end

config.ru

require "./app"
run Sinatra::Application

Gemfile

source :rubygems
gem "sinatra"
gem "rack-contrib"

location.js

if (!navigator.geolocation) return;        

navigator.geolocation.getCurrentPosition(function(pos) {
    var latitude = pos.coords.latitude;
    var longitude = pos.coords.longitude;
    
    $.ajax({
  type: 'get',
  url: 'http://drache.herokuapp.com/?latitude=5.123456&longitude=4',
  dataType: 'jsonp',
  success: function(data) {
    alert(JSON.stringify(data));
  }
})

});

​