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Fri Jan 15 08:01:28 MST 2010 <followers_count>207</followers_count>

Fri Jan 15 08:35:26 MST 2010 <followers_count>208</followers_count>

Fri Jan 15 08:35:26 MST 2010 <followers_count>208</followers_count>

hoy a esta hora <followers_count>207</followers_count>

Fri Jan 15 13:02:32 MST 2010 <followers_count>209</followers_count>

Fri Jan 15 19:55:45 MST 2010 <followers_count>210</followers_count>
Fri Jan 15 19:56:50 MST 2010 <followers_count>211</followers_count>
Fri Jan 15 20:01:12 MST 2010 <followers_count>212</followers_count>
Fri Jan 15 20:02:17 MST 2010 <followers_count>213</followers_count>

Fri Jan 15 20:03:22 MST 2010 <followers_count>214</followers_count>
Fri Jan 15 20:05:32 MST 2010 <followers_count>215</followers_count>
Fri Jan 15 20:07:43 MST 2010 <followers_count>217</followers_count>

Fri Jan 15 20:07:43 MST 2010 <followers_count>217</followers_count>
Fri Jan 15 20:08:49 MST 2010 <followers_count>216</followers_count>
Fri Jan 15 20:17:31 MST 2010 <followers_count>217</followers_count>
Fri Jan 15 20:19:42 MST 2010 <followers_count>218</followers_count>

using System;
using System.IO;
using System.Net;
using System.Text;
using Twitterizer.Framework;
 
namespace twitterChallenge
{
	class MainClass
	{
		static WebClient mClient;
		static string mTargetUser, mUser, mPassword;
		static int mTotalCount;
 
		public static void Main (string[] args)
		{
 
			Console.Write ("A que usuario vigilaremos ? ");
			mTargetUser = Console.ReadLine ();
 
			Console.Write ("Cuantos usuarios esperamos para unirnos ? ");
			Int32.TryParse (Console.ReadLine (), out mTotalCount);
 
			Console.Write ("Tu Usuario: ");
			mUser = Console.ReadLine ();
 
			Console.Write ("Tu Password: ");
			mPassword = Console.ReadLine ();
 
			while (true) {
				int mActual = getFollowersCount (mTargetUser);
				Console.Write ("Actualmente hay " + mActual.ToString ());
 
				if (mActual == mTotalCount) {
					Console.WriteLine ("Alcanzado el objetivo de " + mActual + "Uniendose ...");
					Twitter mTwitter = new Twitter (mUser, mPassword);
 
					TwitterUser mUserToFollow = new TwitterUser ();
					mUserToFollow.ScreenName = mTargetUser;
					mTwitter.User.FollowUser (mUserToFollow);
 
				} else {
					Console.WriteLine (" : Esperamos ....");
					System.Threading.Thread.Sleep (3800);
					// 3.8 segundos es suficiente por ahora, cambiar despues !!!
				}
 
			}
 
		}
 
		// si bien la API de twitter posee para followers ...
		// en la practica esa API esta liada con parametros,paginado y limite de registros (y encima me da info que NO NECESITO)
		// y es más rapido agarrar el html  y sacar la data de ahi ...
		public static int getFollowersCount (string userName)
		{
			try {
				mClient = new WebClient ();
				int mFollowers = 0;
 
				mClient.Headers.Add ("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
				Stream mData = mClient.OpenRead ("http://twitter.com/" + userName);
				StreamReader mReader = new StreamReader (mData);
 
				string mBuffer = mReader.ReadToEnd (), mArea = mBuffer.Substring (mBuffer.IndexOf ("<span id=\"follower_count\" class=\"stats_count numeric\">"), 100);
 
				mArea = mArea.Remove (0, mArea.IndexOf ('>') + 1);
				mArea = mArea.Remove (mArea.IndexOf (' '));
				Int32.TryParse (mArea, out mFollowers);
 
				mData.Close ();
				mReader.Close ();
 
				return mFollowers;
 
			} catch (System.Exception e) {
				// ignorar, quizá un "servicio no disponible" dando vueltas ...
				return 0;
			}
		}
	}
}
 
 
 

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