Event dump example

ApiDumpExample.cs

/*
 * Copyright (c) 2011 Markus Olsson, Tickster AB
 * var mail = string.Join(".", new string[] {"markus", "olsson"}) + string.Concat('@', "tickster.com");
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this 
 * software and associated documentation files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy, modify, merge, publish, 
 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


using System;
using System.Net;
using Newtonsoft.Json.Linq;

namespace DumpApiExample
{
    // Retrieve latest event api dump of upcoming events from tickster.com public data api (developer.tickster.com)
    // Requires Json.Net. Written for .net 4 but the dynamic bits are not at all necessary and you can rewrite it
    // to run under .net 2.0 by simply not casting to dynamic.
    class Program
    {
        static void Main(string[] args)
        {
            string apiKey = "xxx";

            var wc = new GZipWebClient { BaseAddress = "http://www.tickster.com/sv/api/0.2/" };

            dynamic apiResponse = JObject.Parse(wc.DownloadString("events/dump/upcoming?key=" + apiKey));

            if (GetLastProcessedDumpId() == (string)apiResponse.id)
            {
                // The currently published dump file has already been processed locally;
                // terminate and try again later
                return;
            }

            dynamic dump = JObject.Parse(wc.DownloadString((string)apiResponse.uri));

            Console.WriteLine("Retrieved dump file containing {0} events", dump.count);

            foreach (var ev in dump.events)
            {
                // Merge/update with your local data store
                Console.WriteLine("{0}: {1}", ev.id, ev.name);
            }

            Console.ReadLine();
        }

        private static string GetLastProcessedDumpId()
        {
            // Retrieve the id in from own data store
            return string.Empty;
        }

        private static void SaveProcessedDumpId(string id)
        {
            // Store the id in your own data store
        }

        // See http://stackoverflow.com/questions/4567313/uncompressing-gzip-response-from-webclient
        private class GZipWebClient : WebClient
        {
            protected override WebRequest GetWebRequest(Uri address)
            {
                HttpWebRequest request = (HttpWebRequest)base.GetWebRequest(address);
                request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
                return request;
            }
        }
    }
}