Coursework_ComputerStore_Lisov_Minhasapov/ComputerStoreEmployeeApp/APIClient.cs

using ComputerStoreContracts.BindingModels;
using ComputerStoreContracts.ViewModels;
using ComputerStoreDataModels.Models;
using Newtonsoft.Json;
using System.Net.Http.Headers;
using System.Text;

namespace ComputerStoreEmployeeApp
{
    public class APIClient
    {
        private static readonly HttpClient _client = new();
        public static EmployeeViewModel? Employee { get; set; } = null;

        public static Dictionary<int, (IComponentModel Component, int Quantity)>? productComponents;
        public static Dictionary<int, (IComponentModel Component, int Quantity)>? pcComponents;
        public static void Connect(IConfiguration configuration)
        {
            _client.BaseAddress = new Uri(configuration["IPAddress"]);
            _client.DefaultRequestHeaders.Accept.Clear();
            _client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
        }

        public static async Task<T?> GetRequest<T>(string requestUrl)
        {
            var response = await _client.GetAsync(requestUrl);
            var result = response.Content.ReadAsStringAsync().Result;
            if (response.IsSuccessStatusCode)
            {
                return JsonConvert.DeserializeObject<T>(result, new JsonSerializerSettings()
                {
                    ReferenceLoopHandling = ReferenceLoopHandling.Ignore
                });
            }
            else
            {
                throw new Exception(result);
            }
        }

        public static async Task<bool> PostRequest<T>(string requestUrl, T model)
        {
            var json = JsonConvert.SerializeObject(model);
                
            var data = new StringContent(json, Encoding.UTF8, "application/json");

            var response = await _client.PostAsync(requestUrl, data);

            var result = response.Content.ReadAsStringAsync().Result;
            if (!response.IsSuccessStatusCode)
            {
                throw new Exception(result);
            }
            return true;
        }       
        public static async Task<bool> PatchRequest<T>(string requestUrl, T model)
        {
            var json = JsonConvert.SerializeObject(model);
            var data = new StringContent(json, Encoding.UTF8, "application/json-patch+json");

            var response = await _client.PatchAsync(requestUrl, data);

            var result = response.Content.ReadAsStringAsync().Result;
            if (!response.IsSuccessStatusCode)
            {
                throw new Exception(result);
            }
            return Convert.ToBoolean(result);
        }

        public static async Task<bool> DeleteRequest<T>(string requestUrl)
        {                    
            var response = await _client.DeleteAsync(requestUrl);
            var result = response.Content.ReadAsStringAsync().Result;
            if (!response.IsSuccessStatusCode)
            {
                throw new Exception(result);
            }
            return Convert.ToBoolean(result);
        }
    }
}