feat: move PD Core into Essentials

src/PepperDash.Core/Web/RequestHandlers/WebApiBaseRequestHandler.cs

@@ -0,0 +1,165 @@
+using System;
+using System.Collections.Generic;
+using Crestron.SimplSharp.WebScripting;
+
+namespace PepperDash.Core.Web.RequestHandlers
+{
+	/// <summary>
+	/// CWS Base Handler, implements IHttpCwsHandler
+	/// </summary>
+	public abstract class WebApiBaseRequestHandler : IHttpCwsHandler
+	{
+		private readonly Dictionary<string, Action<HttpCwsContext>> _handlers;
+		protected readonly bool EnableCors;
+
+		/// <summary>
+		/// Constructor
+		/// </summary>
+		protected WebApiBaseRequestHandler(bool enableCors)
+		{
+			EnableCors = enableCors;
+
+			_handlers = new Dictionary<string, Action<HttpCwsContext>>
+			{
+				{"CONNECT", HandleConnect},
+				{"DELETE", HandleDelete},
+				{"GET", HandleGet},
+				{"HEAD", HandleHead},
+				{"OPTIONS", HandleOptions},
+				{"PATCH", HandlePatch},
+				{"POST", HandlePost},
+				{"PUT", HandlePut},
+				{"TRACE", HandleTrace}
+			};
+		}
+
+		/// <summary>
+		/// Constructor
+		/// </summary>
+		protected WebApiBaseRequestHandler()
+			: this(false)
+		{
+		}		
+
+		/// <summary>
+		/// Handles CONNECT method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandleConnect(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles DELETE method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandleDelete(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles GET method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandleGet(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles HEAD method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandleHead(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles OPTIONS method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandleOptions(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles PATCH method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandlePatch(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles POST method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandlePost(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles PUT method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandlePut(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Handles TRACE method requests
+		/// </summary>
+		/// <param name="context"></param>
+		protected virtual void HandleTrace(HttpCwsContext context)
+		{
+			context.Response.StatusCode = 501;
+			context.Response.StatusDescription = "Not Implemented";
+			context.Response.End();
+		}
+
+		/// <summary>
+		/// Process request
+		/// </summary>
+		/// <param name="context"></param>
+		public void ProcessRequest(HttpCwsContext context)
+		{
+			Action<HttpCwsContext> handler;
+
+			if (!_handlers.TryGetValue(context.Request.HttpMethod, out handler))
+			{
+				return;
+			}
+
+			if (EnableCors)
+			{
+				context.Response.Headers.Add("Access-Control-Allow-Origin", "*");
+				context.Response.Headers.Add("Access-Control-Allow-Methods", "POST, GET, OPTIONS");
+			}
+
+			handler(context);
+		}
+	}
+}