Quick Match with unity and Gamesparks

GameSparksQuickMatch.cs

using UnityEngine;
using System.Collections;
using GameSparks.Api.Messages;
using GameSparks.Api.Requests;
using GameSparks.Api.Responses;
using GameSparks.Core;
using System;

namespace MyApp{

	public class MultiplayerChallenge {

		private string challengeId ="";
		private string oponentID="";
		private bool isHost = false;


		public readonly string SHORTCODE = "std_multiplayer_challenge";


		//attempts to join or create a new game
		// throw exception or error callback ?
		public void JoinOrCreateChallenge(Action<GSTypedResponse> success=null,Action<GSTypedResponse> error = null) {
			TryJoinChallenge (null,(r)=>{ //success

			},
			(e)=>{ // error 
				// creeate the challenge if no one else has created a challenge
				new GameSparks.Api.Requests.CreateChallengeRequest ()
					.SetChallengeShortCode (SHORTCODE)
						.SetEndTime(System.DateTime.Now.AddMinutes(100))
						.SetAccessType ("PUBLIC")
						.SetMaxPlayers (2)
						.Send ((createdChallenge) => {
							if(createdChallenge.HasErrors){
								Debug.LogError("error creating challenge:"+createdChallenge.Errors.JSON);
								//TODO handle error
								return;
							}
							isHost = true;
							//TryJoinChallenge(createdChallenge.RequestId);
						});
			});

		
		}

		public void TryJoinChallenge (string requestId=null, Action<GSTypedResponse> success = null ,Action<GSTypedResponse> error = null)
		{
			new GameSparks.Api.Requests.ListChallengeRequest ()
				.SetShortCode(SHORTCODE)
				.SetState ("ISSUED")
				.Send ((availableChallenges)=>{
						if (availableChallenges.HasErrors) {
							Debug.LogError ("error getting challenge list :" + availableChallenges.Errors.JSON);
							if(error !=  null) error(availableChallenges);
							return ;
						}
						bool challengeJoined =false;
						// join the first open challenge challenge
						foreach (ListChallengeResponse._Challenge challenge in availableChallenges.ChallengeInstances) {
							if(challengeJoined) break; // stop iterating and trying to join
							new GameSparks.Api.Requests.JoinChallengeRequest ()
								.SetChallengeInstanceId (challenge.ChallengeId)
								.Send ((joinedChallenge)=>{
										if (joinedChallenge.HasErrors) {
											Debug.LogError ("error joining challenge:" + joinedChallenge.Errors.JSON);
											if(error !=  null) error(joinedChallenge);
											return;
										}
										// a speciffic challennge was requested skip others
										if(requestId!=null && challenge.RequestId != requestId) return;
										challengeId =  challenge.ChallengeId;
										challengeJoined = true;
										return ;									
								});
						}
						if(!challengeJoined && error != null) error(null);
				});
	

		}
	}
}