Case_accounting/CaseAccounting/CaseAccountingProviderView/APIUser.cs

using CaseAccountingContracts.ViewModels;
using Newtonsoft.Json;
using System.Net.Http.Headers;
using System.Text;

namespace CaseAccountingProviderView
{
	public static class APIUser
	{
		private static readonly HttpClient _user = new();

		public static UserViewModel? User { get; set; } = null;

		public static void Connect(IConfiguration configuration)
		{
			_user.BaseAddress = new Uri(configuration["IPAddress"]);
			_user.DefaultRequestHeaders.Accept.Clear();
			_user.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
		}

		public static T? GetRequest<T>(string requestUrl)
		{
			var response = _user.GetAsync(requestUrl);
			var result = response.Result.Content.ReadAsStringAsync().Result;
			if (response.Result.IsSuccessStatusCode)
			{
				return JsonConvert.DeserializeObject<T>(result);
			}
			else
			{
				throw new Exception(result);
			}
		}

		public static void PostRequest<T>(string requestUrl, T model)
		{
			var json = JsonConvert.SerializeObject(model);
			var data = new StringContent(json, Encoding.UTF8, "application/json");
			var response = _user.PostAsync(requestUrl, data);
			var result = response.Result.Content.ReadAsStringAsync().Result;
			if (!response.Result.IsSuccessStatusCode)
			{
				throw new Exception(result);
			}
		}

        public static O? PostRequestWithResult<I, O>(string requestUrl, I model)
        {
            var json = JsonConvert.SerializeObject(model);
            var data = new StringContent(json, Encoding.UTF8, "application/json");

            var response = _user.PostAsync(requestUrl, data);

            var result = response.Result.Content.ReadAsStringAsync().Result;

            if (response.Result.IsSuccessStatusCode)
            {
                var temp = JsonConvert.DeserializeObject<O>(result);
                return temp;
            }
            else
            {
                return default;
            }
        }
    }
}