feat(api, bll): переделал сервис получения статистики из RabbitMQ. StatRabbitMqController - статистика по очередям и соединениям

PARR.BLL/Services/Implementations/MqAdminService.cs

@@ -0,0 +1,78 @@
+using Microsoft.Extensions.Logging;
+using PARR.BLL.Contracts.Interfaces;
+using PARR.BLL.Domain.Mq;
+using PARR.BLL.Services.Interfaces;
+using System.Net;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+
+namespace PARR.BLL.Services.Implementations
+{
+    internal class MqAdminService : IMqAdminService
+    {
+        private readonly HttpClient httpClient;
+        private readonly ILogger<MqAdminService> logger;
+
+        public MqAdminService(HttpClient httpClient, ILogger<MqAdminService> logger)
+        {
+            this.httpClient = httpClient;
+            this.logger = logger;
+        }
+
+
+        public async Task<MqApiResult> GetConnectionsAsync(IMqSettings mqSettings)
+        {
+            var url = $"http://{mqSettings.HostName}:15672/api/connections";
+
+            return await SendRequestAsync(mqSettings, url);
+        }
+
+
+        public async Task<MqApiResult> GetQueuesAsync(IMqSettings mqSettings)
+        {
+            var url = $"http://{mqSettings.HostName}:15672/api/queues";
+
+            return await SendRequestAsync(mqSettings, url);
+        }
+
+
+        private async Task<MqApiResult> SendRequestAsync(IMqSettings mqSettings, string url)
+        {
+            SetAuthorizationHeaders(mqSettings);
+
+            try
+            {
+                var result = await httpClient.GetAsync(url);
+
+                if (result.StatusCode == HttpStatusCode.OK)
+                {
+                    var content = await result.Content.ReadAsStringAsync();
+                    var json = JsonSerializer.Deserialize<object>(content);
+
+                    return new MqApiResult { IsSuccess = true, Response = json };
+                }
+                else
+                {
+                    logger.LogError($"Ошибка при запросе к RabbitMq, url: {url}, StatusCode: {result.StatusCode}");
+
+                    return new MqApiResult { IsSuccess = false };
+                }
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, $"Ошибка при запросе к RabbitMQ, url: {url}");
+                return new MqApiResult { IsSuccess = false, Exception = ex };
+            }
+        }
+
+
+        private void SetAuthorizationHeaders(IMqSettings mqSettings)
+        {
+            httpClient.DefaultRequestHeaders.Clear();
+            httpClient.DefaultRequestHeaders.Authorization =
+                new AuthenticationHeaderValue("Basic", Convert.ToBase64String(Encoding.ASCII.GetBytes($"{mqSettings.User}:{mqSettings.Password}")));
+
+        }
+    }
+}