added c# backend

2024-11-24 19:45:56 +02:00
parent 3b572380bb
commit 4496672d19
83 changed files with 3792 additions and 43 deletions
@@ -0,0 +1,108 @@
+using System;
+using System.Net;
+using System.Text;
+using System.Threading;
+using MySql.Data.MySqlClient;
+using Newtonsoft.Json;
+using System.Collections.Generic;
+
+class Program
+{
+  static void Main()
+  {
+    // Create an HttpListener to handle incoming HTTP requests
+    HttpListener listener = new HttpListener();
+
+    // Add a prefix to listen to, e.g., http://localhost:8080/
+    listener.Prefixes.Add("http://localhost:5000/");
+
+    // Start listening for incoming requests
+    listener.Start();
+    Console.WriteLine("Server is listening on http://localhost:5000/");
+
+    // Handle requests on a separate thread to keep server responsive
+    Thread listenerThread = new Thread(() =>
+    {
+      while (true)
+      {
+        // Wait for a request
+        HttpListenerContext context = listener.GetContext();
+        // Get the request and response objects
+        HttpListenerRequest request = context.Request;
+        HttpListenerResponse response = context.Response;
+        // Check if the requested URL is /api
+        if (request.Url.AbsolutePath == "/api")
+        {
+          string connectionString = "Server=localhost;Port=5050;Database=your_database;User ID=your_user;Password=your_password;";
+          MySqlConnection conn = new MySqlConnection(connectionString);
+
+          try
+          {
+            // Open the connection
+            conn.Open();
+
+            // Prepare the SQL query
+            string query = "SELECT * FROM User;";
+            MySqlCommand cmd = new MySqlCommand(query, conn);
+
+            // Execute the query and read the results
+            MySqlDataReader reader = cmd.ExecuteReader();
+            StringBuilder result = new StringBuilder();
+
+            while (reader.Read())
+            {
+              // Assuming User table has columns "id", "name", and "email"
+              result.AppendLine($"ID: {reader["id"]}, Name: {reader["name"]}, Email: {reader["email"]}");
+              // Prepare the response message
+              string responseMessage = result.ToString();
+
+
+              if (string.IsNullOrEmpty(responseMessage))
+              {
+                responseMessage = "No data found.";
+              }
+
+              byte[] buffer = Encoding.UTF8.GetBytes(responseMessage);
+
+              // Set the response content type and write the response
+              response.ContentType = "text/plain";
+              response.ContentLength64 = buffer.Length;
+              response.OutputStream.Write(buffer, 0, buffer.Length);
+            }
+          catch (Exception ex)
+          {
+            // Handle any connection errors
+            string errorMessage = $"Error: {ex.Message}";
+            byte[] buffer = Encoding.UTF8.GetBytes(errorMessage);
+            response.ContentType = "text/plain";
+            response.ContentLength64 = buffer.Length;
+            response.OutputStream.Write(buffer, 0, buffer.Length);
+          }
+          finally
+          {
+            // Close the connection
+            conn.Close();
+          }
+
+        }
+        else
+        {
+          // Return 404 for other paths
+          response.StatusCode = 404;
+          string errorMessage = "Not Found";
+          byte[] buffer = Encoding.UTF8.GetBytes(errorMessage);
+          response.ContentType = "text/plain";
+          response.ContentLength64 = buffer.Length;
+          response.OutputStream.Write(buffer, 0, buffer.Length);
+        }
+
+        // Close the response
+        response.OutputStream.Close();
+      }
+    });
+
+    // Start the listener thread
+    listenerThread.Start();
+  }
+}
+