timelog/backendCs/Getuser.cs

using System;
using System.Net;
using System.Text;
using MySql.Data.MySqlClient;
using Newtonsoft.Json;

namespace Server
{
    class DynamicObject
    {
        // A dictionary to store dynamic properties/fields
        public Dictionary<object, object> Fields { get; set; }

        public DynamicObject()
        {
            Fields = new Dictionary<object, object>();
        }

        // Adding a dynamic field
        public void AddField(object key, object value)
        {
            Fields[key] = value;
        }

        // Retrieving a dynamic field
        public object GetField(object key)
        {
            if (Fields.ContainsKey(key))
            {
                return Fields[key];
            }
            return null;
        }
    }
    public class Getuser
    {
        public static void run(MySqlConnection conn, HttpListenerRequest request, HttpListenerResponse response)
        {
            try
            {
                // Open the connection
                conn.Open();
                // Prepare the SQL query
                MySqlCommand myCommand = new MySqlCommand();
                myCommand.Connection = conn;
                myCommand.CommandText = @"SELECT p.name, SUM(t.time)
                                                FROM Timelog t 
                                                INNER JOIN Project p ON p.id=t.project 
                                                INNER JOIN User u ON u.id=t.user 
                                                WHERE User = @userid
                                                GROUP BY name;";
                var queryString = request.QueryString;
                string userid = queryString["userid"];
                myCommand.Parameters.AddWithValue("@userid", userid);
                // Execute the query and read the results
                MySqlDataReader reader = myCommand.ExecuteReader();
                DynamicObject dO = new DynamicObject();
                while (reader.Read())
                {
                    dO.AddField(reader["name"], reader["SUM(t.time)"]);

                }
                // Serialize the data to JSON
                string jsonResponse = JsonConvert.SerializeObject(dO);
                // prepare response
                byte[] buffer = Encoding.UTF8.GetBytes(jsonResponse);
                response.ContentType = "application/json";
                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);
            }
            conn.Close();
        }
    }
}