vStationURM/Tools/UpgradePackageUploadTool/Utilties/ProxyManager.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;
using UpgradePackageUploadTool.Models;

namespace UpgradePackageUploadTool.Utilties
{
    public class ProxyManager
    {
        private readonly string _baseUrl;
        private readonly HttpClient _httpClient;

        public ProxyManager(string baseUrl)
        {
            _baseUrl = baseUrl;
            _httpClient = new HttpClient
            {
                Timeout = TimeSpan.FromSeconds(10)
            };
        }

        public async Task<TResult> PostAsync<TRequest, TResult>(string method, TRequest obj)
        {
            try
            {
                var methodParts = method.Trim('/').Split('/');
                string requestUrl = $"{_baseUrl.Trim('/')}/{methodParts[0]}";

                var payload = $"{{\"jsonrpc\":\"2.0\",\"method\":\"{methodParts[1]}\",\"params\":{Newtonsoft.Json.JsonConvert.SerializeObject(obj)},\"id\":\"{Guid.NewGuid().ToString("N")}\"}}";
                HttpContent content = new StringContent(payload, Encoding.UTF8, "application/json");
                HttpResponseMessage response = await _httpClient.PostAsync(requestUrl, content);
                response.EnsureSuccessStatusCode();
                var resultContent = await response.Content.ReadAsStringAsync();
                var result = Newtonsoft.Json.JsonConvert.DeserializeObject<TResult>(resultContent);
                return result;
            }
            catch (Exception)
            {
                
            }
            return default;
        }
    }
}