ApiClient

src/ApiClient/Http/HttpSmsClient.cs

@@ -0,0 +1,89 @@
+using System.Net;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+using Contracts;
+using Contracts.Menu;
+using Contracts.Orders;
+using Contracts.Requests;
+using Contracts.Responses;
+using Domain.Entities;
+
+namespace ApiClient.Http;
+
+public sealed class HttpSmsClient : ISmsClient, IDisposable
+{
+    private readonly HttpClient _httpClient;
+
+    public HttpSmsClient(HttpSmsClientOptions options)
+    {
+        _httpClient = new HttpClient { BaseAddress = new Uri(options.BaseUrl) };
+
+        var credentials = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{options.Username}:{options.Password}"));
+        _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", credentials);
+    }
+
+    public async Task<GetMenuApiResponse> GetMenuAsync(bool withPrice = true, CancellationToken cancellationToken = default)
+    {
+        var request = new GetMenuApiRequest
+        {
+            CommandParameters = new GetMenuParameters { WithPrice = withPrice },
+        };
+
+        var response = await SendAsync(request, cancellationToken);
+        return ToGetMenuResponse(response);
+    }
+
+    public async Task<SendOrderApiResponse> SendOrderAsync(Order order, CancellationToken cancellationToken = default)
+    {
+        var request = new SendOrderApiRequest
+        {
+            CommandParameters = new SendOrderParameters
+            {
+                OrderId = order.Id.ToString(),
+                MenuItems = order.Items.ToList(),
+            },
+        };
+
+        var response = await SendAsync(request, cancellationToken);
+        return ToSendOrderResponse(response);
+    }
+
+    public void Dispose() => _httpClient.Dispose();
+
+    private async Task<ApiResponse> SendAsync(ApiRequest request, CancellationToken cancellationToken)
+    {
+        var json = JsonSerializer.Serialize(request, ApiJsonOptions.Instance);
+        using var content = new StringContent(json, Encoding.UTF8, "application/json");
+        using var httpResponse = await _httpClient.PostAsync("/", content, cancellationToken);
+
+        if (httpResponse.StatusCode == HttpStatusCode.Unauthorized)
+        {
+            return new ApiResponse
+            {
+                Command = request.Command,
+                Success = false,
+                ErrorMessage = "Требуется аутентификация.",
+            };
+        }
+
+        var responseJson = await httpResponse.Content.ReadAsStringAsync(cancellationToken);
+        return ApiResponseDeserializer.Deserialize(responseJson);
+    }
+
+    private static GetMenuApiResponse ToGetMenuResponse(ApiResponse response) =>
+        response as GetMenuApiResponse ?? new GetMenuApiResponse
+        {
+            Command = Commands.GetMenu,
+            Success = false,
+            ErrorMessage = response.ErrorMessage,
+        };
+
+    private static SendOrderApiResponse ToSendOrderResponse(ApiResponse response) =>
+        response as SendOrderApiResponse ?? new SendOrderApiResponse
+        {
+            Command = Commands.SendOrder,
+            Success = false,
+            ErrorMessage = response.ErrorMessage,
+        };
+}