From 817454dea45a57ea385a5b927cd0038b90801269 Mon Sep 17 00:00:00 2001
From: "Frank A. Krueger" <fak@praeclarum.org>
Date: Tue, 22 Aug 2017 20:26:01 -0700
Subject: [PATCH] Working on files support

---
 Ooui/Form.cs           | 14 ++++++++++++-
 Ooui/UI.cs             | 20 +++++++++++++++++++
 Samples/FilesSample.cs | 45 ++++++++++++++++++++++++++++++++++++++++++
 Samples/Program.cs     |  3 ++-
 4 files changed, 80 insertions(+), 2 deletions(-)
 create mode 100644 Samples/FilesSample.cs

diff --git a/Ooui/Form.cs b/Ooui/Form.cs
index 557a72b..e23e22a 100644
--- a/Ooui/Form.cs
+++ b/Ooui/Form.cs
@@ -10,7 +10,19 @@ namespace Ooui
             set => SetProperty (ref action, value ?? "", "action");
         }
 
-        public event TargetEventHandler Submitted {
+		string method = "GET";
+		public string Method {
+			get => method;
+			set => SetProperty (ref method, value ?? "", "method");
+		}
+
+		string enctype = "application/x-www-form-urlencoded";
+		public string EncodingType {
+			get => enctype;
+			set => SetProperty (ref enctype, value ?? "", "enctype");
+		}
+
+		public event TargetEventHandler Submitted {
             add => AddEventListener ("submit", value);
             remove => RemoveEventListener ("submit", value);
         }
diff --git a/Ooui/UI.cs b/Ooui/UI.cs
index db72c68..deb7901 100644
--- a/Ooui/UI.cs
+++ b/Ooui/UI.cs
@@ -122,6 +122,11 @@ namespace Ooui
             Publish (path, new DataHandler (data, JsonHandler.ContentType));
         }
 
+		public static void PublishCustomResponse (string path, Action<HttpListenerContext, CancellationToken> responder)
+		{
+			Publish (path, new CustomHandler (responder));
+		}
+
         static string GuessContentType (string path, string filePath)
         {
             return null;
@@ -361,6 +366,21 @@ namespace Ooui
             }
         }
 
+		class CustomHandler : RequestHandler
+		{
+			readonly Action<HttpListenerContext, CancellationToken> responder;
+
+			public CustomHandler (Action<HttpListenerContext, CancellationToken> responder)
+			{
+				this.responder = responder;
+			}
+
+			public override void Respond (HttpListenerContext listenerContext, CancellationToken token)
+			{
+				responder (listenerContext, token);
+			}
+		}
+
         static async void ProcessWebSocketRequest (HttpListenerContext listenerContext, CancellationToken serverToken)
         {
             //
diff --git a/Samples/FilesSample.cs b/Samples/FilesSample.cs
new file mode 100644
index 0000000..626cbb0
--- /dev/null
+++ b/Samples/FilesSample.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Net;
+using System.Threading;
+using Ooui;
+
+namespace Samples
+{
+	public class FilesSample
+	{
+		public void Publish ()
+		{
+			var heading = new Heading ("Upload Files");
+			var subtitle = new Paragraph ("Upload files to the app");
+
+			var uploadForm = new Form ();
+			uploadForm.Action = "/files/upload";
+			uploadForm.Method = "POST";
+			uploadForm.EncodingType = "multipart/form-data";
+			uploadForm.AppendChild (new Input (InputType.File) { Name = "file" });
+			uploadForm.AppendChild (new Input (InputType.Submit) { Value = "Upload" });
+
+			var app = new Div ();
+			app.AppendChild (heading);
+			app.AppendChild (subtitle);
+			app.AppendChild (uploadForm);
+
+			UI.Publish ("/files", app);
+
+			UI.PublishCustomResponse ("/files/upload", HandleUpload);
+		}
+
+		void HandleUpload (HttpListenerContext listenerContext, CancellationToken token)
+		{
+			var req = listenerContext.Request;
+			var ct = req.ContentType;
+			var bi = ct.IndexOf ("boundary=", StringComparison.InvariantCulture);
+			var boundaryString = ct.Substring (bi + 9);
+			var boundaryBytes = System.Text.Encoding.UTF8.GetBytes (boundaryString);
+			var boundaryEndBytes = System.Text.Encoding.UTF8.GetBytes (boundaryString + "--");
+			Console.WriteLine ("OMGGGGGG " + boundaryString);
+			listenerContext.Response.StatusCode = 200;
+			listenerContext.Response.Close ();
+		}
+	}
+}
diff --git a/Samples/Program.cs b/Samples/Program.cs
index 251adf7..72fd445 100644
--- a/Samples/Program.cs
+++ b/Samples/Program.cs
@@ -26,8 +26,9 @@ namespace Samples
             new ButtonSample ().Publish ();
             new TodoSample ().Publish ();
             new DrawSample ().Publish ();
+			new FilesSample ().Publish ();
 
-            UI.Present ("/draw");
+			UI.Present ("/files");
 
             Console.ReadLine ();
         }