CourseWorkElectronicsShop/ElectronicsShop/ElectronicsShopShopClientApp/APIClient.cs

using ElectronicsShopContracts.BindingModels;
using ElectronicsShopContracts.ViewModels;
using Newtonsoft.Json;
using System.Collections.Generic;
using System.Net.Http.Headers;
using System.Text;

namespace ElectronicsShopUserApp {
    public class APIClient {
        private static readonly HttpClient _client = new();

        public static ClientViewModel? Client { get; set; } = null;

        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 T? GetRequset<T>(string requestUrl) {
            var response = _client.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 requstUrl, T model) {
            var json = JsonConvert.SerializeObject(model);
            var data = new StringContent(json, Encoding.UTF8, "application/json");

            var response = _client.PostAsync(requstUrl, data);

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

        public static void PostDictRequest<T>(string requstUrl, OrderBindingModel model) {
            var dict = new Dictionary<string, (string, string)>();

            foreach (var item in model.ProductList) {
                var key = item.Key.ToString();
                var item1 = JsonConvert.SerializeObject(item.Value.Item1);
                var item2 = item.Value.Item2.ToString();
                dict.Add(key, (item1, item2));
            }
            var dictjs = JsonConvert.SerializeObject(dict);

            var data = new StringContent(dictjs, Encoding.UTF8, "application/json");

            var response = _client.PostAsync(requstUrl, data,);

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