CS2-3: Добавлен SignalR ReportHub и его применение в ReportController

AsbCloudApp/Services/IReportService.cs

@@ -6,7 +6,8 @@ namespace AsbCloudApp.Services
     public interface IReportService
     {
         string RootPath { get; }
-        int CreateReport(int wellId, int stepSeconds, int format, DateTime begin, DateTime end);
+        int CreateReport(int wellId, int stepSeconds, int format, DateTime begin, DateTime end, 
+            EventHandler<(float progress, string operation)> handleReportProgress);
         int GetReportPagesCount(int wellId, DateTime begin, DateTime end, int stepSeconds, int format);
         DatesRangeDto GetReportsDatesRange(int wellId);
     }

AsbCloudInfrastructure/Services/ReportService.cs

@@ -27,7 +27,8 @@ namespace AsbCloudInfrastructure.Services
 
         public string RootPath { get ; private set; }
 
-        public int CreateReport(int wellId, int stepSeconds, int format, DateTime begin, DateTime end)
+        public int CreateReport(int wellId, int stepSeconds, int format, DateTime begin, 
+            DateTime end, EventHandler<(float progress, string operation)> progressHandler)
         {
             var newReportId = queue.EnqueueTask(() =>
             {
@@ -37,6 +38,7 @@ namespace AsbCloudInfrastructure.Services
                 using (var context = new AsbCloudDbContext(optionsBuilder.Options))
                 {
                     var generator = GetReportGenerator(wellId, begin, end, stepSeconds, format, context);
+                    generator.OnProgress += progressHandler;
                     generator.Make();
                 }
             });

AsbCloudWebApi/Controllers/ReportController.cs

@@ -3,8 +3,8 @@ using System.IO;
 using Microsoft.AspNetCore.Mvc;
 using AsbCloudApp.Data;
 using AsbCloudApp.Services;
-using AsbCloudDb.Model;
-using Microsoft.AspNetCore.Hosting;
+using AsbCloudWebApi.SignalR;
+using Microsoft.AspNetCore.SignalR;
 
 namespace AsbCloudWebApi.Controllers
 {
@@ -17,27 +17,40 @@ namespace AsbCloudWebApi.Controllers
     {
         private readonly IReportService reportService;
         private readonly IWellService wellService;
+        private readonly IHubContext<ReportsHub> reportsHubContext;
 
-        public ReportController(IReportService reportService, IWellService wellService)
+        public ReportController(IReportService reportService, IWellService wellService, IHubContext<ReportsHub> reportsHubContext)
         {
             this.reportService = reportService;
             this.wellService = wellService;
+            this.reportsHubContext = reportsHubContext;
+        }
+
+        private string signalRConnectionId = "0";
+
+        private void HandleReportProgress(object sender, (float progress, string operation) e)
+        {
+            reportsHubContext.Clients.Client(signalRConnectionId).SendAsync("GetReportProgress", e.progress);
         }
 
         /// <summary>
         /// Создает отчет по скважине с указанными параметрами
         /// </summary>
         /// <param name="wellId">id скважины</param>
-        /// <param name="begin">дата начала интервала</param>
-        /// <param name="end">дата окончания интервала</param>
         /// <param name="stepSeconds">шаг интервала</param>
         /// <param name="format">формат отчета (0-PDF, 1-LASS)</param>
+        /// <param name="signalRConnectionId">SignalR id подключения клиента</param>
+        /// <param name="begin">дата начала интервала</param>
+        /// <param name="end">дата окончания интервала</param>
         /// <returns>id фоновой задачи формирования отчета</returns>
         [HttpPost]
         [Route("{wellId}/report")]
         [ProducesResponseType(typeof(string), (int)System.Net.HttpStatusCode.OK)]
-        public IActionResult CreateReport(int wellId, int stepSeconds, int format, DateTime begin = default, DateTime end = default)
+        public IActionResult CreateReport(int wellId, int stepSeconds, int format, string signalRConnectionId, 
+            DateTime begin = default, DateTime end = default)
         {
+            this.signalRConnectionId = signalRConnectionId;
+            
             int? idCustomer = User.GetCustomerId();
 
             if (idCustomer is null)
@@ -46,7 +59,7 @@ namespace AsbCloudWebApi.Controllers
             if (!wellService.CheckWellOwnership((int)idCustomer, wellId))
                 return Forbid();
 
-            var id = reportService.CreateReport(wellId, stepSeconds, format, begin, end); 
+            var id = reportService.CreateReport(wellId, stepSeconds, format, begin, end, HandleReportProgress);
 
             return Ok(id);
         }

AsbCloudWebApi/SignalR/IReportHubClient.cs

@@ -0,0 +1,7 @@
+namespace AsbCloudWebApi.SignalR
+{
+    public interface IReportHubClient
+    {
+
+    }
+}

AsbCloudWebApi/SignalR/ReportsHub.cs

@@ -0,0 +1,14 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.SignalR;
+
+namespace AsbCloudWebApi.SignalR
+{
+    // SignalR manual:
+    // https://docs.microsoft.com/ru-ru/aspnet/core/signalr/introduction?view=aspnetcore-5.0
+
+    [Authorize]
+    public class ReportsHub : Hub<IReportHubClient>
+    {
+
+    }
+}

AsbCloudWebApi/Startup.cs

@@ -67,6 +67,7 @@ namespace AsbCloudWebApi
             {
                 endpoints.MapControllers();
                 endpoints.MapHub<TelemetryHub>("/hubs/telemetry");
+                endpoints.MapHub<ReportsHub>("/hubs/reports");
             });
         }
     }