RequestRunner.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
using System.Net;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.Serialization.Json;

namespace libdiscordovr.Discord
{
	public class RequestRunner
	{
		public static readonly string DiscordAPIEndpoint = "https://discordapp.com/api/";

		public async static Task<T> RequestResponse<T>(string remoteResource, Dictionary<string, string> data, Dictionary<string, string> headers = null, string method = "POST")
		{
			HttpWebRequest r = WebRequest.CreateHttp(DiscordAPIEndpoint + remoteResource);

			StringBuilder requestBuilder = new StringBuilder();
			bool first = true;
			if (data != null)
			{
				foreach (KeyValuePair<string, string> p in data)
				{
					if (!first)
						requestBuilder.Append("&");
					requestBuilder.Append(p.Key);
					requestBuilder.Append("=");
					requestBuilder.Append(p.Value);
					first = false;
				}
			}

			if (headers != null)
			{
				foreach (KeyValuePair<string, string> h in headers)
				{
					r.Headers.Add(h.Key, h.Value);
				}
			}

			byte[] requestData = Encoding.UTF8.GetBytes(requestBuilder.ToString());
			r.ContentType = "application/x-www-form-urlencoded";
			r.ContentLength = requestData.Length;
			r.Method = method;
			r.UserAgent = "DiscordOVR { github.com/jstefanelli dev.0.1 } ";

			if (!method.ToLower().Equals("get"))
			{
				Stream requestStream = await r.GetRequestStreamAsync();
				await requestStream.WriteAsync(requestData, 0, requestData.Length);

			}

			HttpWebResponse response = (HttpWebResponse)await r.GetResponseAsync();
			if (response.StatusCode != HttpStatusCode.OK && response.StatusCode != HttpStatusCode.NoContent)
			{
				throw new Exception("Discord Request failed");
			}

			T t = default(T);

			if (response.StatusCode != HttpStatusCode.NoContent)
			{
				DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
				t = (T)ser.ReadObject(response.GetResponseStream());
			}
			
			response.Close();
			return t;
		}

		public static T RequestResponseSync<T>(string remoteResource, Dictionary<string, string> data, Dictionary<string, string> headers = null, string method = "POST")
		{
			HttpWebRequest r = WebRequest.CreateHttp(DiscordAPIEndpoint + remoteResource);

			StringBuilder requestBuilder = new StringBuilder();
			bool first = true;
			if (data != null)
			{
				foreach (KeyValuePair<string, string> p in data)
				{
					if (!first)
						requestBuilder.Append("&");
					requestBuilder.Append(p.Key);
					requestBuilder.Append("=");
					requestBuilder.Append(p.Value);
					first = false;
				}
			}

			if (headers != null)
			{
				foreach (KeyValuePair<string, string> h in headers)
				{
					r.Headers.Add(h.Key, h.Value);
				}
			}

			byte[] requestData = Encoding.UTF8.GetBytes(requestBuilder.ToString());
			r.ContentType = "application/x-www-form-urlencoded";
			r.ContentLength = requestData.Length;
			r.Method = method;

			Stream requestStream = r.GetRequestStream();
			requestStream.Write(requestData, 0, requestData.Length);

			HttpWebResponse response = (HttpWebResponse)r.GetResponse();
			if (response.StatusCode != HttpStatusCode.OK && response.StatusCode != HttpStatusCode.NoContent)
			{
				throw new Exception("Discord Request failed");
			}

			T t = default(T);

			if (response.StatusCode != HttpStatusCode.NoContent)
			{
				DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
				t = (T)ser.ReadObject(response.GetResponseStream());
			}

			response.Close();
			return t;
		}
	}

	[DataContract]
	public abstract class JSONSerializable
	{

	}

}