Handle first requests, add parameter parser

Tranga/Server.cs

@@ -1,7 +1,9 @@
 using System.Net;
 using System.Runtime.InteropServices;
 using System.Text;
+using System.Text.RegularExpressions;
 using Newtonsoft.Json;
+using Tranga.MangaConnectors;
 
 namespace Tranga;
 
@@ -32,9 +34,6 @@ public class Server : GlobalBase
             Log($"{context.Request.HttpMethod} {context.Request.Url} {context.Request.UserAgent}");
             Task t = new(() =>
             {
-                if(context.Request.HttpMethod == "OPTIONS")
-                    SendResponse(HttpStatusCode.OK, context.Response);
-                else
                 HandleRequest(context);
             });
             t.Start();
@@ -45,15 +44,83 @@ public class Server : GlobalBase
     {
         HttpListenerRequest request = context.Request;
         HttpListenerResponse response = context.Response;
+        if(request.HttpMethod == "OPTIONS")
+            SendResponse(HttpStatusCode.OK, context.Response);
         if(request.Url!.LocalPath.Contains("favicon"))
             SendResponse(HttpStatusCode.NoContent, response);
 
-        SendResponse(HttpStatusCode.NotFound, response);
+        switch (request.HttpMethod)
+        {
+            case "GET":
+                HandleGet(request, request.InputStream, response);
+                break;
+            case "POST":
+                HandlePost(request, request.InputStream, response);
+                break;
+            case "DELETE":
+                HandleDelete(request, request.InputStream, response);
+                break;
+            default: 
+                SendResponse(HttpStatusCode.BadRequest, response);
+                break;
+        }
+    }
+    
+    private Dictionary<string, string> GetRequestVariables(string query)
+    {
+        Dictionary<string, string> ret = new();
+        Regex queryRex = new (@"\?{1}&?([A-z0-9-=]+=[A-z0-9-=]+)+(&[A-z0-9-=]+=[A-z0-9-=]+)*");
+        if (!queryRex.IsMatch(query))
+            return ret;
+        query = query.Substring(1);
+        foreach (string kvpair in query.Split('&').Where(str => str.Length >= 3))
+        {
+            string var = kvpair.Split('=')[0];
+            string val = Regex.Replace(kvpair.Substring(var.Length + 1), "%20", " ");
+            val = Regex.Replace(val, "%[0-9]{2}", "");
+            ret.Add(var, val);
+        }
+        return ret;
+    }
+
+    private void HandleGet(HttpListenerRequest request, Stream content, HttpListenerResponse response)
+    {
+        Dictionary<string, string> requestVariables = GetRequestVariables(request.Url!.Query);
+        switch (request.Url!.LocalPath[1..])
+        {
+            case "Connectors":
+                SendResponse(HttpStatusCode.OK, response, _parent.GetConnectors().Select(connector => connector.name).ToArray());
+                break;
+            case "Publications/FromConnector":
+                if (requestVariables.TryGetValue("connector", out string? connectorName) &&
+                    requestVariables.TryGetValue("title", out string? title))
+                {
+                    MangaConnector? connector = _parent.GetConnector(connectorName);
+                    if (connector is null || title.Length < 4)
+                    {
+                        SendResponse(HttpStatusCode.BadRequest, response);
+                        return;
+                    }
+                    SendResponse(HttpStatusCode.OK, response, connector.GetPublications(title));
+                }else
+                    SendResponse(HttpStatusCode.BadRequest, response);
+                break;
+        }
+    }
+
+    private void HandlePost(HttpListenerRequest request, Stream content, HttpListenerResponse response)
+    {
+        
+    }
+
+    private void HandleDelete(HttpListenerRequest request, Stream content, HttpListenerResponse response)
+    {
+        
     }
 
     private void SendResponse(HttpStatusCode statusCode, HttpListenerResponse response, object? content = null)
     {
-        //logger?.WriteLine(this.GetType().ToString(), $"Sending response: {statusCode}");
+        Log($"Response: {statusCode} {content}");
         response.StatusCode = (int)statusCode;
         response.AddHeader("Access-Control-Allow-Headers", "Content-Type, Accept, X-Requested-With");
         response.AddHeader("Access-Control-Allow-Methods", "GET, POST, DELETE");