Created specific service for signalr hub

docker-compose.override.yml

@@ -129,6 +129,7 @@ services:
       - UseCustomizationData=True
       - ApplicationInsights__InstrumentationKey=${INSTRUMENTATION_KEY}
       - OrchestratorType=${ORCHESTRATOR_TYPE}
+      - SignalrHubUrl=http://${ESHOP_EXTERNAL_DNS_NAME_OR_IP}:5202
     ports:
       - "5104:80"   
 
@@ -145,7 +146,7 @@ services:
       - BasketUrlHC=http://basket.api/hc
       - MarketingUrlHC=http://marketing.api/hc
       - PaymentUrlHC=http://payment.api/hc
-      - ExternalPurchaseUrl=http://${ESHOP_EXTERNAL_DNS_NAME_OR_IP}:5202
+      - SignalrHubUrl=http://${ESHOP_EXTERNAL_DNS_NAME_OR_IP}:5202
       - UseCustomizationData=True
       - ApplicationInsights__InstrumentationKey=${INSTRUMENTATION_KEY}
       - OrchestratorType=${ORCHESTRATOR_TYPE}
@@ -299,3 +300,18 @@ services:
     ports:
       - "5121:80"   # Important: In a production environment your should remove the external port (5121) kept here for microservice debugging purposes. 
                     # The API Gateway redirects and access through the internal port (80).
+  ordering.signalrhub:
+    environment:
+      - ASPNETCORE_ENVIRONMENT=Development
+      - ASPNETCORE_URLS=http://0.0.0.0:80
+      - EventBusConnection=${ESHOP_AZURE_SERVICE_BUS:-rabbitmq}
+      - EventBusUserName=${ESHOP_SERVICE_BUS_USERNAME}
+      - EventBusPassword=${ESHOP_SERVICE_BUS_PASSWORD}          
+      - AzureServiceBusEnabled=False
+      - ApplicationInsights__InstrumentationKey=${INSTRUMENTATION_KEY}
+      - OrchestratorType=${ORCHESTRATOR_TYPE}
+      - identityUrl=http://identity.api              #Local: You need to open your local dev-machine firewall at range 5100-5110.
+      - IdentityUrlExternal=http://${ESHOP_EXTERNAL_DNS_NAME_OR_IP}:5105
+    ports:
+      - "5112:80"
+

docker-compose.yml

@@ -152,3 +152,9 @@ services:
     depends_on:
       - sql.data
       - rabbitmq 
+  ordering.signalrhub:
+    image: eshop/orderingsignalrhub:${TAG:-latest}
+    build:
+      context: .
+      dockerfile: src/Services/Ordering/Ordering.SignalrHub/Dockerfile
+

eShopOnContainers-ServicesAndWebApps.sln

@@ -130,6 +130,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Web.Shopping.HttpAggregator
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Ordering.BackgroundTasks", "src\Services\Ordering\Ordering.BackgroundTasks\Ordering.BackgroundTasks.csproj", "{7D63ED4A-3EDA-4BBA-8BBA-F46BD6430931}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ordering.SignalrHub", "src\Services\Ordering\Ordering.SignalrHub\Ordering.SignalrHub.csproj", "{E1D2B260-4E7F-4A88-BC13-9910F7C44623}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Ad-Hoc|Any CPU = Ad-Hoc|Any CPU
@@ -1536,6 +1538,54 @@ Global
 		{7D63ED4A-3EDA-4BBA-8BBA-F46BD6430931}.Release|x64.Build.0 = Release|Any CPU
 		{7D63ED4A-3EDA-4BBA-8BBA-F46BD6430931}.Release|x86.ActiveCfg = Release|Any CPU
 		{7D63ED4A-3EDA-4BBA-8BBA-F46BD6430931}.Release|x86.Build.0 = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|ARM.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|iPhone.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|iPhone.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|x64.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|x64.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|x86.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Ad-Hoc|x86.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|Any CPU.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|Any CPU.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|ARM.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|ARM.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|iPhone.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|iPhone.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|x64.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|x64.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|x86.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.AppStore|x86.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|ARM.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|x64.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Debug|x86.Build.0 = Debug|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|ARM.ActiveCfg = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|ARM.Build.0 = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|iPhone.Build.0 = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|x64.ActiveCfg = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|x64.Build.0 = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|x86.ActiveCfg = Release|Any CPU
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1592,6 +1642,7 @@ Global
 		{BEA37D6D-4CF2-4AE8-9575-72388E54FBD0} = {0189E4FB-6E2B-4F2E-9B1D-5473D23FC6DB}
 		{AF0828DB-8BDD-411A-AEEF-B780FBB8D8C1} = {28C0F5C8-4849-4035-80AB-45639424E73F}
 		{7D63ED4A-3EDA-4BBA-8BBA-F46BD6430931} = {0BD0DB92-2D98-44D9-9AC0-C59186D59B0B}
+		{E1D2B260-4E7F-4A88-BC13-9910F7C44623} = {0BD0DB92-2D98-44D9-9AC0-C59186D59B0B}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {25728519-5F0F-4973-8A64-0A81EB4EA8D9}

src/ApiGateways/Web.Bff.Shopping/apigw/configuration.json

@@ -72,6 +72,18 @@
       "UpstreamPathTemplate": "/orders-api/{everything}",
       "UpstreamHttpMethod": []
     },
+    {
+      "DownstreamPathTemplate": "/{everything}",
+      "DownstreamScheme": "http",
+      "DownstreamHostAndPorts": [
+        {
+          "Host": "ordering.signalrhub",
+          "Port": 80
+        }
+      ],
+      "UpstreamPathTemplate": "/hub/{everything}",
+      "UpstreamHttpMethod": []
+    },
     {
       "DownstreamPathTemplate": "/{everything}",
       "DownstreamScheme": "http",

src/Services/Identity/Identity.API/Configuration/Config.cs

@@ -16,7 +16,8 @@ namespace Microsoft.eShopOnContainers.Services.Identity.API.Configuration
                 new ApiResource("marketing", "Marketing Service"),
                 new ApiResource("locations", "Locations Service"),
                 new ApiResource("mobileshoppingagg", "Mobile Shopping Aggregator"),
-                new ApiResource("webshoppingagg", "Web Shopping Aggregator")
+                new ApiResource("webshoppingagg", "Web Shopping Aggregator"),
+                new ApiResource("orders.signalrhub", "Ordering Signalr Hub")
             };
         }
 
@@ -55,7 +56,8 @@ namespace Microsoft.eShopOnContainers.Services.Identity.API.Configuration
                         "basket",
                         "locations",
                         "marketing",
-                        "webshoppingagg"
+                        "webshoppingagg",
+                        "orders.signalrhub"
                     }
                 },
                 new Client
@@ -119,7 +121,8 @@ namespace Microsoft.eShopOnContainers.Services.Identity.API.Configuration
                         "basket",
                         "locations",
                         "marketing",
-                        "webshoppingagg"
+                        "webshoppingagg",
+                        "orders.signalrhub"
                     },
                 },
                 new Client

src/Services/Ordering/Ordering.API/Application/DomainEventHandlers/OrderCancelled/OrderCancelledDomainEventHandler.cs

@@ -1,13 +1,11 @@
 using MediatR;
-using Microsoft.AspNetCore.SignalR;
 using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
 using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.OrderAggregate;
 using Microsoft.Extensions.Logging;
-using Ordering.API.Infrastructure.Hubs;
+using Ordering.API.Application.IntegrationEvents;
+using Ordering.API.Application.IntegrationEvents.Events;
 using Ordering.Domain.Events;
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -19,18 +17,17 @@ namespace Ordering.API.Application.DomainEventHandlers.OrderCancelled
         private readonly IOrderRepository _orderRepository;
         private readonly IBuyerRepository _buyerRepository;
         private readonly ILoggerFactory _logger;
-        private readonly IHubContext<NotificationsHub> _hubContext;
+        private readonly IOrderingIntegrationEventService _orderingIntegrationEventService;
 
         public OrderCancelledDomainEventHandler(
             IOrderRepository orderRepository,
             ILoggerFactory logger,
             IBuyerRepository buyerRepository,
-            IHubContext<NotificationsHub> hubContext)
+            IOrderingIntegrationEventService orderingIntegrationEventService)
         {
             _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
             _buyerRepository = buyerRepository ?? throw new ArgumentNullException(nameof(buyerRepository));
-            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
         }
 
         public async Task Handle(OrderCancelledDomainEvent orderCancelledDomainEvent, CancellationToken cancellationToken)
@@ -42,9 +39,8 @@ namespace Ordering.API.Application.DomainEventHandlers.OrderCancelled
             var order = await _orderRepository.GetAsync(orderCancelledDomainEvent.Order.Id);
             var buyer = await _buyerRepository.FindByIdAsync(order.GetBuyerId.Value.ToString());
 
-            await _hubContext.Clients
+            var orderStatusChangedToCancelledIntegrationEvent = new OrderStatusChangedToCancelledIntegrationEvent(order.Id, order.OrderStatus.Name, buyer.Name);
-                .Group(buyer.Name)
+            await _orderingIntegrationEventService.PublishThroughEventBusAsync(orderStatusChangedToCancelledIntegrationEvent);
-                .SendAsync("UpdatedOrderState", new { OrderId = order.Id, Status = order.OrderStatus.Name });
         }
     }
 }

src/Services/Ordering/Ordering.API/Application/DomainEventHandlers/OrderGracePeriodConfirmed/OrderStatusChangedToAwaitingValidationDomainEventHandler.cs

@@ -1,20 +1,16 @@
 namespace Ordering.API.Application.DomainEventHandlers.OrderGracePeriodConfirmed
 {
+    using Domain.Events;
     using MediatR;
+    using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
     using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.OrderAggregate;
     using Microsoft.Extensions.Logging;
-    using Domain.Events;
-    using System;
-    using System.Threading.Tasks;
     using Ordering.API.Application.IntegrationEvents;
-    using System.Linq;
     using Ordering.API.Application.IntegrationEvents.Events;
+    using System;
+    using System.Linq;
     using System.Threading;
-    using Microsoft.AspNetCore.SignalR;
+    using System.Threading.Tasks;
-    using Ordering.API.Infrastructure.Hubs;
-    using Microsoft.AspNetCore.Http;
-    using Microsoft.eShopOnContainers.Services.Ordering.API.Infrastructure.Services;
-    using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
 
     public class OrderStatusChangedToAwaitingValidationDomainEventHandler
                    : INotificationHandler<OrderStatusChangedToAwaitingValidationDomainEvent>
@@ -23,19 +19,16 @@
         private readonly ILoggerFactory _logger;
         private readonly IBuyerRepository _buyerRepository;
         private readonly IOrderingIntegrationEventService _orderingIntegrationEventService;
-        private readonly IHubContext<NotificationsHub> _hubContext;
 
         public OrderStatusChangedToAwaitingValidationDomainEventHandler(
             IOrderRepository orderRepository, ILoggerFactory logger,
             IBuyerRepository buyerRepository,
-            IOrderingIntegrationEventService orderingIntegrationEventService,
+            IOrderingIntegrationEventService orderingIntegrationEventService)
-            IHubContext<NotificationsHub> hubContext)
         {
             _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
             _buyerRepository = buyerRepository;
             _orderingIntegrationEventService = orderingIntegrationEventService;           
-            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
         }
 
         public async Task Handle(OrderStatusChangedToAwaitingValidationDomainEvent orderStatusChangedToAwaitingValidationDomainEvent, CancellationToken cancellationToken)
@@ -52,12 +45,8 @@
                 .Select(orderItem => new OrderStockItem(orderItem.ProductId, orderItem.GetUnits()));
 
             var orderStatusChangedToAwaitingValidationIntegrationEvent = new OrderStatusChangedToAwaitingValidationIntegrationEvent(
-                orderStatusChangedToAwaitingValidationDomainEvent.OrderId, orderStockList);
+                order.Id, order.OrderStatus.Name, buyer.Name, orderStockList);
             await _orderingIntegrationEventService.PublishThroughEventBusAsync(orderStatusChangedToAwaitingValidationIntegrationEvent);
-           
-            await _hubContext.Clients
-                .Group(buyer.Name)
-                .SendAsync("UpdatedOrderState", new { OrderId = order.Id, Status = order.OrderStatus.Name });
         }
     }  
 }

src/Services/Ordering/Ordering.API/Application/DomainEventHandlers/OrderPaid/OrderStatusChangedToPaidDomainEventHandler.cs

@@ -1,18 +1,16 @@
 namespace Ordering.API.Application.DomainEventHandlers.OrderPaid
 {
+    using Domain.Events;
     using MediatR;
+    using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
     using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.OrderAggregate;
     using Microsoft.Extensions.Logging;
-    using Domain.Events;
-    using System;
-    using System.Threading.Tasks;
     using Ordering.API.Application.IntegrationEvents;
-    using System.Linq;
     using Ordering.API.Application.IntegrationEvents.Events;
+    using System;
+    using System.Linq;
     using System.Threading;
-    using Microsoft.AspNetCore.SignalR;
+    using System.Threading.Tasks;
-    using Ordering.API.Infrastructure.Hubs;
-    using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
 
     public class OrderStatusChangedToPaidDomainEventHandler
                    : INotificationHandler<OrderStatusChangedToPaidDomainEvent>
@@ -21,19 +19,18 @@
         private readonly ILoggerFactory _logger;
         private readonly IBuyerRepository _buyerRepository;
         private readonly IOrderingIntegrationEventService _orderingIntegrationEventService;
-        private readonly IHubContext<NotificationsHub> _hubContext;
+        
 
         public OrderStatusChangedToPaidDomainEventHandler(
             IOrderRepository orderRepository, ILoggerFactory logger,
             IBuyerRepository buyerRepository,
-            IOrderingIntegrationEventService orderingIntegrationEventService,
+            IOrderingIntegrationEventService orderingIntegrationEventService
-            IHubContext<NotificationsHub> hubContext)
+            )
         {
             _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
             _buyerRepository = buyerRepository ?? throw new ArgumentNullException(nameof(buyerRepository));
             _orderingIntegrationEventService = orderingIntegrationEventService ?? throw new ArgumentNullException(nameof(orderingIntegrationEventService));            
-            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
         }
 
         public async Task Handle(OrderStatusChangedToPaidDomainEvent orderStatusChangedToPaidDomainEvent, CancellationToken cancellationToken)
@@ -48,13 +45,13 @@
             var orderStockList = orderStatusChangedToPaidDomainEvent.OrderItems
                 .Select(orderItem => new OrderStockItem(orderItem.ProductId, orderItem.GetUnits()));
 
-            var orderStatusChangedToPaidIntegrationEvent = new OrderStatusChangedToPaidIntegrationEvent(orderStatusChangedToPaidDomainEvent.OrderId,
+            var orderStatusChangedToPaidIntegrationEvent = new OrderStatusChangedToPaidIntegrationEvent(
+                orderStatusChangedToPaidDomainEvent.OrderId,
+                order.OrderStatus.Name,
+                buyer.Name,
                 orderStockList);
-            await _orderingIntegrationEventService.PublishThroughEventBusAsync(orderStatusChangedToPaidIntegrationEvent);
 
-            await _hubContext.Clients
+            await _orderingIntegrationEventService.PublishThroughEventBusAsync(orderStatusChangedToPaidIntegrationEvent);         
-                .Group(buyer.Name)
-                .SendAsync("UpdatedOrderState", new { OrderId = order.Id, Status = order.OrderStatus.Name });
         }
     }  
 }

src/Services/Ordering/Ordering.API/Application/DomainEventHandlers/OrderShipped/OrderShippedDomainEventHandler.cs

@@ -1,13 +1,11 @@
 using MediatR;
-using Microsoft.AspNetCore.SignalR;
 using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
 using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.OrderAggregate;
 using Microsoft.Extensions.Logging;
-using Ordering.API.Infrastructure.Hubs;
+using Ordering.API.Application.IntegrationEvents;
+using Ordering.API.Application.IntegrationEvents.Events;
 using Ordering.Domain.Events;
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -18,19 +16,19 @@ namespace Ordering.API.Application.DomainEventHandlers.OrderShipped
     {
         private readonly IOrderRepository _orderRepository;
         private readonly IBuyerRepository _buyerRepository;
+        private readonly IOrderingIntegrationEventService _orderingIntegrationEventService;
         private readonly ILoggerFactory _logger;
-        private readonly IHubContext<NotificationsHub> _hubContext;
 
         public OrderShippedDomainEventHandler(
             IOrderRepository orderRepository, 
             ILoggerFactory logger,
             IBuyerRepository buyerRepository,
-            IHubContext<NotificationsHub> hubContext)
+            IOrderingIntegrationEventService orderingIntegrationEventService)
         {
             _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
             _buyerRepository = buyerRepository ?? throw new ArgumentNullException(nameof(buyerRepository));
-            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
+            _orderingIntegrationEventService = orderingIntegrationEventService;
         }
 
         public async Task Handle(OrderShippedDomainEvent orderShippedDomainEvent, CancellationToken cancellationToken)
@@ -42,9 +40,8 @@ namespace Ordering.API.Application.DomainEventHandlers.OrderShipped
             var order = await _orderRepository.GetAsync(orderShippedDomainEvent.Order.Id);
             var buyer = await _buyerRepository.FindByIdAsync(order.GetBuyerId.Value.ToString());
 
-            await _hubContext.Clients
+            var orderStatusChangedToShippedIntegrationEvent = new OrderStatusChangedToShippedIntegrationEvent(order.Id, order.OrderStatus.Name, buyer.Name);
-                .Group(buyer.Name)
+            await _orderingIntegrationEventService.PublishThroughEventBusAsync(orderStatusChangedToShippedIntegrationEvent);
-                .SendAsync("UpdatedOrderState", new { OrderId = order.Id, Status = order.OrderStatus.Name });
         }
     }
 }

src/Services/Ordering/Ordering.API/Application/DomainEventHandlers/OrderStartedEvent/ValidateOrAddBuyerAggregateWhenOrderStartedDomainEventHandler.cs

@@ -3,6 +3,8 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.eShopOnContainers.Services.Ordering.API.Infrastructure.Services;
 using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
 using Microsoft.Extensions.Logging;
+using Ordering.API.Application.IntegrationEvents;
+using Ordering.API.Application.IntegrationEvents.Events;
 using Ordering.Domain.Events;
 using System;
 using System.Threading;
@@ -16,11 +18,17 @@ namespace Ordering.API.Application.DomainEventHandlers.OrderStartedEvent
         private readonly ILoggerFactory _logger;
         private readonly IBuyerRepository _buyerRepository;
         private readonly IIdentityService _identityService;
+        private readonly IOrderingIntegrationEventService _orderingIntegrationEventService;
 
-        public ValidateOrAddBuyerAggregateWhenOrderStartedDomainEventHandler(ILoggerFactory logger, IBuyerRepository buyerRepository, IIdentityService identityService)
+        public ValidateOrAddBuyerAggregateWhenOrderStartedDomainEventHandler(
+            ILoggerFactory logger, 
+            IBuyerRepository buyerRepository, 
+            IIdentityService identityService,
+            IOrderingIntegrationEventService orderingIntegrationEventService)
         {
             _buyerRepository = buyerRepository ?? throw new ArgumentNullException(nameof(buyerRepository));
             _identityService = identityService ?? throw new ArgumentNullException(nameof(identityService));
+            _orderingIntegrationEventService = orderingIntegrationEventService ?? throw new ArgumentNullException(nameof(orderingIntegrationEventService));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
         }
 
@@ -50,6 +58,9 @@ namespace Ordering.API.Application.DomainEventHandlers.OrderStartedEvent
             await _buyerRepository.UnitOfWork
                 .SaveEntitiesAsync();
 
+            var orderStatusChangedTosubmittedIntegrationEvent = new OrderStatusChangedToSubmittedIntegrationEvent(orderStartedEvent.Order.Id, orderStartedEvent.Order.OrderStatus.Name, buyer.Name);
+            await _orderingIntegrationEventService.PublishThroughEventBusAsync(orderStatusChangedTosubmittedIntegrationEvent);
+
             _logger.CreateLogger(nameof(ValidateOrAddBuyerAggregateWhenOrderStartedDomainEventHandler)).LogTrace($"Buyer {buyerUpdated.Id} and related payment method were validated or updated for orderId: {orderStartedEvent.Order.Id}.");
         }
     }

src/Services/Ordering/Ordering.API/Application/DomainEventHandlers/OrderStockConfirmed/OrderStatusChangedToStockConfirmedDomainEventHandler.cs

@@ -1,17 +1,15 @@
 namespace Ordering.API.Application.DomainEventHandlers.OrderStockConfirmed
 {
+    using Domain.Events;
     using MediatR;
+    using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
     using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.OrderAggregate;
     using Microsoft.Extensions.Logging;
-    using Domain.Events;
-    using System;
-    using System.Threading.Tasks;
     using Ordering.API.Application.IntegrationEvents;
     using Ordering.API.Application.IntegrationEvents.Events;
+    using System;
     using System.Threading;
-    using Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.BuyerAggregate;
+    using System.Threading.Tasks;
-    using Microsoft.AspNetCore.SignalR;
-    using Ordering.API.Infrastructure.Hubs;
 
     public class OrderStatusChangedToStockConfirmedDomainEventHandler
                    : INotificationHandler<OrderStatusChangedToStockConfirmedDomainEvent>
@@ -19,20 +17,17 @@
         private readonly IOrderRepository _orderRepository;
         private readonly IBuyerRepository _buyerRepository;
         private readonly ILoggerFactory _logger;
-        private readonly IHubContext<NotificationsHub> _hubContext;
         private readonly IOrderingIntegrationEventService _orderingIntegrationEventService;
 
         public OrderStatusChangedToStockConfirmedDomainEventHandler(
             IOrderRepository orderRepository, 
             IBuyerRepository buyerRepository,
             ILoggerFactory logger,
-            IHubContext<NotificationsHub> hubContext,
             IOrderingIntegrationEventService orderingIntegrationEventService)
         {
             _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));
             _buyerRepository = buyerRepository ?? throw new ArgumentNullException(nameof(buyerRepository));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
-            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
             _orderingIntegrationEventService = orderingIntegrationEventService;
         }
 
@@ -45,12 +40,8 @@
             var order = await _orderRepository.GetAsync(orderStatusChangedToStockConfirmedDomainEvent.OrderId);
             var buyer = await _buyerRepository.FindByIdAsync(order.GetBuyerId.Value.ToString());
 
-            var orderStatusChangedToStockConfirmedIntegrationEvent = new OrderStatusChangedToStockConfirmedIntegrationEvent(orderStatusChangedToStockConfirmedDomainEvent.OrderId);
+            var orderStatusChangedToStockConfirmedIntegrationEvent = new OrderStatusChangedToStockConfirmedIntegrationEvent(order.Id, order.OrderStatus.Name, buyer.Name);
             await _orderingIntegrationEventService.PublishThroughEventBusAsync(orderStatusChangedToStockConfirmedIntegrationEvent);            
-
-            await _hubContext.Clients
-                .Group(buyer.Name)
-                .SendAsync("UpdatedOrderState", new { OrderId = order.Id, Status = order.OrderStatus.Name });
         }
     }  
 }

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/Events/OrderStatusChangedToAwaitingValidationIntegrationEvent.cs

@@ -6,13 +6,17 @@
     public class OrderStatusChangedToAwaitingValidationIntegrationEvent : IntegrationEvent
     {
         public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
         public IEnumerable<OrderStockItem> OrderStockItems { get; }
 
-        public OrderStatusChangedToAwaitingValidationIntegrationEvent(int orderId,
+        public OrderStatusChangedToAwaitingValidationIntegrationEvent(int orderId, string orderStatus, string buyerName,
             IEnumerable<OrderStockItem> orderStockItems)
         {
             OrderId = orderId;
             OrderStockItems = orderStockItems;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
         }
     }
 

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/Events/OrderStatusChangedToCancelledIntegrationEvent.cs

@@ -0,0 +1,22 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.API.Application.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToCancelledIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToCancelledIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/Events/OrderStatusChangedToPaidIntegrationEvent.cs

@@ -6,13 +6,19 @@
     public class OrderStatusChangedToPaidIntegrationEvent : IntegrationEvent
     {
         public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
         public IEnumerable<OrderStockItem> OrderStockItems { get; }
 
         public OrderStatusChangedToPaidIntegrationEvent(int orderId,
+            string orderStatus,
+            string buyerName,
             IEnumerable<OrderStockItem> orderStockItems)
         {
             OrderId = orderId;
             OrderStockItems = orderStockItems;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
         }
     }
 }

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/Events/OrderStatusChangedToShippedIntegrationEvent.cs

@@ -0,0 +1,22 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.API.Application.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToShippedIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToShippedIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/Events/OrderStatusChangedToStockConfirmedIntegrationEvent.cs

@@ -5,8 +5,14 @@
     public class OrderStatusChangedToStockConfirmedIntegrationEvent : IntegrationEvent
     {
         public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
 
-        public OrderStatusChangedToStockConfirmedIntegrationEvent(int orderId)
+        public OrderStatusChangedToStockConfirmedIntegrationEvent(int orderId, string orderStatus, string buyerName)
-            => OrderId = orderId;
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
     }
 }

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/Events/OrderStatusChangedTosubmittedIntegrationEvent.cs

@@ -0,0 +1,22 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.API.Application.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToSubmittedIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToSubmittedIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.API/Ordering.API.csproj

@@ -39,7 +39,6 @@
     <PackageReference Include="Microsoft.ApplicationInsights.ServiceFabric" Version="2.0.1-beta1" />
     <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.5" />
     <PackageReference Include="MediatR" Version="4.0.1" />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.0.0-preview2-final" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="2.2.0" />
     <PackageReference Include="System.Reflection" Version="4.3.0" />
     <PackageReference Include="Dapper" Version="1.50.4" />

src/Services/Ordering/Ordering.API/Startup.cs

@@ -6,7 +6,6 @@
     using global::Ordering.API.Application.IntegrationEvents;
     using global::Ordering.API.Application.IntegrationEvents.Events;
     using global::Ordering.API.Infrastructure.Filters;
-    using global::Ordering.API.Infrastructure.Hubs;
     using global::Ordering.API.Infrastructure.Middlewares;
     using Infrastructure.AutofacModules;
     using Infrastructure.Filters;
@@ -27,10 +26,7 @@
     using Microsoft.Extensions.Configuration;
     using Microsoft.Extensions.DependencyInjection;
     using Microsoft.Extensions.HealthChecks;
-    using Microsoft.Extensions.Hosting;
     using Microsoft.Extensions.Logging;
-    using Microsoft.Extensions.Primitives;
-    using Microsoft.IdentityModel.Tokens;
     using Ordering.Infrastructure;
     using RabbitMQ.Client;
     using Swashbuckle.AspNetCore.Swagger;
@@ -39,7 +35,6 @@
     using System.Data.Common;
     using System.IdentityModel.Tokens.Jwt;
     using System.Reflection;
-    using System.Threading.Tasks;
 
     public class Startup
     {
@@ -190,7 +185,6 @@
             RegisterEventBus(services);
             ConfigureAuthService(services);
             services.AddOptions();
-            services.AddSignalR();
 
             //configure autofac
 
@@ -226,12 +220,6 @@
 
             ConfigureAuth(app);
             
-            app.UseSignalR(routes =>
-            {
-                routes.MapHub<NotificationsHub>("/notificationhub", options => 
-                    options.Transports = AspNetCore.Http.Connections.TransportType.All);
-            });
-            
             app.UseMvcWithDefaultRoute();
 
             app.UseSwagger()

src/Services/Ordering/Ordering.SignalrHub/AutofacModules/ApplicationModule.cs

@@ -0,0 +1,30 @@
+using Autofac;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using Ordering.SignalrHub.IntegrationEvents;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.AutofacModules
+{
+    public class ApplicationModule
+        : Autofac.Module
+    {
+
+        public string QueriesConnectionString { get; }
+
+        public ApplicationModule()
+        {
+        }
+
+        protected override void Load(ContainerBuilder builder)
+        {
+
+            builder.RegisterAssemblyTypes(typeof(OrderStatusChangedToAwaitingValidationIntegrationEvent).GetTypeInfo().Assembly)
+                .AsClosedTypesOf(typeof(IIntegrationEventHandler<>));
+
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/Dockerfile

@@ -0,0 +1,20 @@
+FROM microsoft/aspnetcore:2.0 AS base
+WORKDIR /app
+EXPOSE 80
+
+FROM microsoft/aspnetcore-build:2.0 AS build
+WORKDIR /src
+COPY eShopOnContainers-ServicesAndWebApps.sln ./
+COPY src/Services/Ordering/Ordering.SignalrHub/Ordering.SignalrHub.csproj src/Services/Ordering/Ordering.SignalrHub/
+RUN dotnet restore -nowarn:msb3202,nu1503
+COPY . .
+WORKDIR /src/src/Services/Ordering/Ordering.SignalrHub
+RUN dotnet build Ordering.SignalrHub.csproj -c Release -o /app
+
+FROM build AS publish
+RUN dotnet publish Ordering.SignalrHub.csproj -c Release -o /app
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app .
+ENTRYPOINT ["dotnet", "Ordering.SignalrHub.dll"]

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/EventHandling/OrderStatusChangedToCancelledIntegrationEventHandler.cs

@@ -0,0 +1,28 @@
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using Ordering.SignalrHub.IntegrationEvents.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.EventHandling
+{
+    public class OrderStatusChangedToCancelledIntegrationEventHandler : IIntegrationEventHandler<OrderStatusChangedToCancelledIntegrationEvent>
+    {
+        private readonly IHubContext<NotificationsHub> _hubContext;
+
+        public OrderStatusChangedToCancelledIntegrationEventHandler(IHubContext<NotificationsHub> hubContext)
+        {
+            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
+        }
+
+
+        public async Task Handle(OrderStatusChangedToCancelledIntegrationEvent @event)
+        {
+            await _hubContext.Clients
+                .Group(@event.BuyerName)
+                .SendAsync("UpdatedOrderState", new { OrderId = @event.OrderId, Status = @event.OrderStatus });
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/EventHandling/OrderStatusChangedToPaidIntegrationEventHandler.cs

@@ -0,0 +1,26 @@
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using Ordering.SignalrHub.IntegrationEvents.Events;
+using System;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.EventHandling
+{
+    public class OrderStatusChangedToPaidIntegrationEventHandler : IIntegrationEventHandler<OrderStatusChangedToPaidIntegrationEvent>
+    {
+        private readonly IHubContext<NotificationsHub> _hubContext;
+
+        public OrderStatusChangedToPaidIntegrationEventHandler(IHubContext<NotificationsHub> hubContext)
+        {
+            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
+        }
+
+
+        public async Task Handle(OrderStatusChangedToPaidIntegrationEvent @event)
+        {
+            await _hubContext.Clients
+                .Group(@event.BuyerName)
+                .SendAsync("UpdatedOrderState", new { OrderId = @event.OrderId, Status = @event.OrderStatus });
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/EventHandling/OrderStatusChangedToShippedIntegrationEventHandler.cs

@@ -0,0 +1,28 @@
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using Ordering.SignalrHub.IntegrationEvents.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.EventHandling
+{
+    public class OrderStatusChangedToShippedIntegrationEventHandler : IIntegrationEventHandler<OrderStatusChangedToShippedIntegrationEvent>
+    {
+        private readonly IHubContext<NotificationsHub> _hubContext;
+
+        public OrderStatusChangedToShippedIntegrationEventHandler(IHubContext<NotificationsHub> hubContext)
+        {
+            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
+        }
+
+
+        public async Task Handle(OrderStatusChangedToShippedIntegrationEvent @event)
+        {
+            await _hubContext.Clients
+                .Group(@event.BuyerName)
+                .SendAsync("UpdatedOrderState", new { OrderId = @event.OrderId, Status = @event.OrderStatus });
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/EventHandling/OrderStatusChangedToStockConfirmedIntegrationEventHandler.cs

@@ -0,0 +1,29 @@
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using Ordering.SignalrHub.IntegrationEvents.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.EventHandling
+{
+    public class OrderStatusChangedToStockConfirmedIntegrationEventHandler :
+        IIntegrationEventHandler<OrderStatusChangedToStockConfirmedIntegrationEvent>
+    {
+        private readonly IHubContext<NotificationsHub> _hubContext;
+
+        public OrderStatusChangedToStockConfirmedIntegrationEventHandler(IHubContext<NotificationsHub> hubContext)
+        {
+            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
+        }
+
+
+        public async Task Handle(OrderStatusChangedToStockConfirmedIntegrationEvent @event)
+        {
+            await _hubContext.Clients
+                .Group(@event.BuyerName)
+                .SendAsync("UpdatedOrderState", new { OrderId = @event.OrderId, Status = @event.OrderStatus });
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/EventHandling/OrderStatusChangedToSubmittedIntegrationEventHandler.cs

@@ -0,0 +1,29 @@
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using Ordering.SignalrHub.IntegrationEvents.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.EventHandling
+{
+    public class OrderStatusChangedToSubmittedIntegrationEventHandler :
+        IIntegrationEventHandler<OrderStatusChangedToSubmittedIntegrationEvent>
+    {
+        private readonly IHubContext<NotificationsHub> _hubContext;
+
+        public OrderStatusChangedToSubmittedIntegrationEventHandler(IHubContext<NotificationsHub> hubContext)
+        {
+            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
+        }
+
+
+        public async Task Handle(OrderStatusChangedToSubmittedIntegrationEvent @event)
+        {
+            await _hubContext.Clients
+                .Group(@event.BuyerName)
+                .SendAsync("UpdatedOrderState", new { OrderId = @event.OrderId, Status = @event.OrderStatus });
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/EventHandling/orderStatusChangedToAwaitingValidationIntegrationEventHandler.cs

@@ -0,0 +1,27 @@
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents
+{
+    public class OrderStatusChangedToAwaitingValidationIntegrationEventHandler : IIntegrationEventHandler<OrderStatusChangedToAwaitingValidationIntegrationEvent>
+    {
+        private readonly IHubContext<NotificationsHub> _hubContext;
+
+        public OrderStatusChangedToAwaitingValidationIntegrationEventHandler(IHubContext<NotificationsHub> hubContext)
+        {
+            _hubContext = hubContext ?? throw new ArgumentNullException(nameof(hubContext));
+        }
+
+
+        public async Task Handle(OrderStatusChangedToAwaitingValidationIntegrationEvent @event)
+        {
+            await _hubContext.Clients
+                .Group(@event.BuyerName)
+                .SendAsync("UpdatedOrderState", new { OrderId = @event.OrderId, Status = @event.OrderStatus });
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/Events/OrderStatusChangedToAwaitingValidationIntegrationEvent.cs

@@ -0,0 +1,19 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System.Collections.Generic;
+
+namespace Ordering.SignalrHub.IntegrationEvents
+{
+    public class OrderStatusChangedToAwaitingValidationIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToAwaitingValidationIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/Events/OrderStatusChangedToCancelledIntegrationEvent.cs

@@ -0,0 +1,22 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToCancelledIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToCancelledIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/Events/OrderStatusChangedToPaidIntegrationEvent.cs

@@ -0,0 +1,23 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToPaidIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToPaidIntegrationEvent(int orderId,
+            string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/Events/OrderStatusChangedToShippedIntegrationEvent.cs

@@ -0,0 +1,22 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToShippedIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToShippedIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/Events/OrderStatusChangedToStockConfirmedIntegrationEvent.cs

@@ -0,0 +1,18 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+
+namespace Ordering.SignalrHub.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToStockConfirmedIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToStockConfirmedIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/IntegrationEvents/Events/OrderStatusChangedToSubmittedIntegrationEvent.cs

@@ -0,0 +1,22 @@
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ordering.SignalrHub.IntegrationEvents.Events
+{
+    public class OrderStatusChangedToSubmittedIntegrationEvent : IntegrationEvent
+    {
+        public int OrderId { get; }
+        public string OrderStatus { get; }
+        public string BuyerName { get; }
+
+        public OrderStatusChangedToSubmittedIntegrationEvent(int orderId, string orderStatus, string buyerName)
+        {
+            OrderId = orderId;
+            OrderStatus = orderStatus;
+            BuyerName = buyerName;
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/NotificationHub.cs

@@ -1,9 +1,11 @@
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.SignalR;
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 
-namespace Ordering.API.Infrastructure.Hubs
+namespace Ordering.SignalrHub
 {
     [Authorize]
     public class NotificationsHub : Hub

src/Services/Ordering/Ordering.SignalrHub/Ordering.SignalrHub.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <DockerComposeProjectPath>..\..\..\..\docker-compose.dcproj</DockerComposeProjectPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="wwwroot\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="4.2.1" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.6" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.0.0-preview2-final" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Core" Version="1.0.0-preview2-final" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBusRabbitMQ\EventBusRabbitMQ.csproj" />
+    <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBusServiceBus\EventBusServiceBus.csproj" />
+    <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBus\EventBus.csproj" />
+  </ItemGroup>
+
+</Project>

src/Services/Ordering/Ordering.SignalrHub/Program.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+
+namespace Ordering.SignalrHub
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            BuildWebHost(args).Run();
+        }
+
+        public static IWebHost BuildWebHost(string[] args) =>
+            WebHost.CreateDefaultBuilder(args)
+                .UseStartup<Startup>()
+                .Build();
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/Properties/launchSettings.json

@@ -0,0 +1,27 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:51311/",
+      "sslPort": 0
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "Ordering.SignalrHub": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "applicationUrl": "http://localhost:51312/"
+    }
+  }
+}

src/Services/Ordering/Ordering.SignalrHub/Startup.cs

@@ -0,0 +1,204 @@
+using Autofac;
+using Autofac.Extensions.DependencyInjection;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Azure.ServiceBus;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Ordering.SignalrHub.AutofacModules;
+using Ordering.SignalrHub.IntegrationEvents;
+using Ordering.SignalrHub.IntegrationEvents.EventHandling;
+using Ordering.SignalrHub.IntegrationEvents.Events;
+using RabbitMQ.Client;
+using System;
+using System.IdentityModel.Tokens.Jwt;
+
+namespace Ordering.SignalrHub
+{
+    public class Startup
+    {
+        public Startup(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        // This method gets called by the runtime. Use this method to add services to the container.
+        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
+        public IServiceProvider ConfigureServices(IServiceCollection services)
+        {
+            services.AddCors(options =>
+            {
+                options.AddPolicy("CorsPolicy",
+                    builder => builder.AllowAnyOrigin()
+                    .AllowAnyMethod()
+                    .AllowAnyHeader()
+                    .AllowCredentials());
+            });
+
+            services.AddSignalR();
+
+            if (Configuration.GetValue<bool>("AzureServiceBusEnabled"))
+            {
+                services.AddSingleton<IServiceBusPersisterConnection>(sp =>
+                {
+                    var logger = sp.GetRequiredService<ILogger<DefaultServiceBusPersisterConnection>>();
+
+                    var serviceBusConnectionString = Configuration["EventBusConnection"];
+                    var serviceBusConnection = new ServiceBusConnectionStringBuilder(serviceBusConnectionString);
+
+                    return new DefaultServiceBusPersisterConnection(serviceBusConnection, logger);
+                });
+            }
+            else
+            {
+                services.AddSingleton<IRabbitMQPersistentConnection>(sp =>
+                {
+                    var logger = sp.GetRequiredService<ILogger<DefaultRabbitMQPersistentConnection>>();
+
+
+                    var factory = new ConnectionFactory()
+                    {
+                        HostName = Configuration["EventBusConnection"]
+                    };
+
+                    if (!string.IsNullOrEmpty(Configuration["EventBusUserName"]))
+                    {
+                        factory.UserName = Configuration["EventBusUserName"];
+                    }
+
+                    if (!string.IsNullOrEmpty(Configuration["EventBusPassword"]))
+                    {
+                        factory.Password = Configuration["EventBusPassword"];
+                    }
+
+                    var retryCount = 5;
+                    if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"]))
+                    {
+                        retryCount = int.Parse(Configuration["EventBusRetryCount"]);
+                    }
+
+                    return new DefaultRabbitMQPersistentConnection(factory, logger, retryCount);
+                });
+            }
+
+            ConfigureAuthService(services);
+
+            RegisterEventBus(services);
+
+            services.AddOptions();
+
+            //configure autofac
+            var container = new ContainerBuilder();
+            container.RegisterModule(new ApplicationModule());
+            container.Populate(services);
+
+            return new AutofacServiceProvider(container.Build());
+        }
+
+        public IConfiguration Configuration { get; }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
+        {
+            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
+            loggerFactory.AddDebug();
+            loggerFactory.AddAzureWebAppDiagnostics();
+            loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace);
+
+            var pathBase = Configuration["PATH_BASE"];
+            if (!string.IsNullOrEmpty(pathBase))
+            {
+                loggerFactory.CreateLogger("init").LogDebug($"Using PATH BASE '{pathBase}'");
+                app.UsePathBase(pathBase);
+            }
+
+            app.UseCors("CorsPolicy");
+
+            app.UseAuthentication();
+
+            app.UseSignalR(routes =>
+            {
+                routes.MapHub<NotificationsHub>("/notificationhub", options =>
+                    options.Transports = Microsoft.AspNetCore.Http.Connections.TransportType.All);
+            });
+
+            ConfigureEventBus(app);
+        }
+
+        private void ConfigureEventBus(IApplicationBuilder app)
+        {
+            var eventBus = app.ApplicationServices.GetRequiredService<IEventBus>();
+            
+            eventBus.Subscribe<OrderStatusChangedToAwaitingValidationIntegrationEvent, OrderStatusChangedToAwaitingValidationIntegrationEventHandler>();
+            eventBus.Subscribe<OrderStatusChangedToPaidIntegrationEvent, OrderStatusChangedToPaidIntegrationEventHandler>();
+            eventBus.Subscribe<OrderStatusChangedToStockConfirmedIntegrationEvent, OrderStatusChangedToStockConfirmedIntegrationEventHandler>();
+            eventBus.Subscribe<OrderStatusChangedToShippedIntegrationEvent, OrderStatusChangedToShippedIntegrationEventHandler>();
+            eventBus.Subscribe<OrderStatusChangedToCancelledIntegrationEvent, OrderStatusChangedToCancelledIntegrationEventHandler>();
+            eventBus.Subscribe<OrderStatusChangedToSubmittedIntegrationEvent, OrderStatusChangedToSubmittedIntegrationEventHandler>();  
+        }
+
+        private void ConfigureAuthService(IServiceCollection services)
+        {
+            // prevent from mapping "sub" claim to nameidentifier.
+            JwtSecurityTokenHandler.DefaultInboundClaimTypeMap.Remove("sub");
+
+            var identityUrl = Configuration.GetValue<string>("IdentityUrl");
+
+            services.AddAuthentication(options =>
+            {
+                options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+                options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+
+            }).AddJwtBearer(options =>
+            {
+                options.Authority = identityUrl;
+                options.RequireHttpsMetadata = false;
+                options.Audience = "orders.signalrhub";
+            });
+        }
+
+        private void RegisterEventBus(IServiceCollection services)
+        {
+            var subscriptionClientName = Configuration["SubscriptionClientName"];
+
+            if (Configuration.GetValue<bool>("AzureServiceBusEnabled"))
+            {
+                services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
+                {
+                    var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
+                    var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
+                    var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
+                    var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
+
+                    return new EventBusServiceBus(serviceBusPersisterConnection, logger,
+                        eventBusSubcriptionsManager, subscriptionClientName, iLifetimeScope);
+                });
+            }
+            else
+            {
+                services.AddSingleton<IEventBus, EventBusRabbitMQ>(sp =>
+                {
+                    var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
+                    var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
+                    var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
+                    var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
+
+                    var retryCount = 5;
+                    if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"]))
+                    {
+                        retryCount = int.Parse(Configuration["EventBusRetryCount"]);
+                    }
+
+                    return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
+                });
+            }
+
+            services.AddSingleton<IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager>();
+        }
+    }
+}

src/Services/Ordering/Ordering.SignalrHub/appsettings.json

@@ -0,0 +1,15 @@
+{
+  "IdentityUrl": "http://localhost:5105",
+  "Logging": {
+    "IncludeScopes": false,
+    "LogLevel": {
+      "Default": "Trace",
+      "System": "Information",
+      "Microsoft": "Information"
+    }
+  },
+  "AzureServiceBusEnabled": false,
+  "SubscriptionClientName": "Ordering.signalrhub",
+  "EventBusRetryCount": 5,
+  "EventBusConnection": "localhost"
+}

src/Web/WebMVC/AppSettings.cs

@@ -11,7 +11,7 @@ namespace Microsoft.eShopOnContainers.WebMVC
         public string MarketingUrl { get; set; }
 
         public string PurchaseUrl { get; set; }
-        public string ExternalPurchaseUrl { get; set; }
+        public string SignalrHubUrl { get; set; }
         public bool ActivateCampaignDetailFunction { get; set; }
         public Logging Logging { get; set; }
         public bool UseCustomizationData { get; set; }

src/Web/WebMVC/Startup.cs

@@ -131,6 +131,7 @@ namespace Microsoft.eShopOnContainers.WebMVC
                 options.Scope.Add("marketing");
                 options.Scope.Add("locations");
                 options.Scope.Add("webshoppingagg");
+                options.Scope.Add("orders.signalrhub");
             });
         }
 

src/Web/WebMVC/Views/Shared/_Layout.cshtml

@@ -106,7 +106,7 @@
         }
 
         function stablishConnection() {
-            let hubHttpConnection = new signalR.HttpConnection('@settings.Value.ExternalPurchaseUrl/orders-api/notificationhub', {
+            let hubHttpConnection = new signalR.HttpConnection('@settings.Value.SignalrHubUrl/hub/notificationhub', {
             transport: signalR.TransportType.LongPolling,
                 accessTokenFactory: () => {
                     return "Authorization", getToken();

src/Web/WebSPA/AppSettings.cs

@@ -12,6 +12,7 @@ namespace eShopOnContainers.WebSPA
         public string MarketingUrl { get; set; }
 
         public string PurchaseUrl { get; set; }
+        public string SignalrHubUrl { get; set; }
 
         public string ActivateCampaignDetailFunction { get; set; }
         public bool UseCustomizationData { get; set; }

src/Web/WebSPA/Client/modules/shared/models/configuration.model.ts

@@ -2,5 +2,6 @@ export interface IConfiguration {
     identityUrl: string, 
     marketingUrl: string,
     purchaseUrl: string,
+    signalrHubUrl: string,
     activateCampaignDetailFunction: boolean
 }

src/Web/WebSPA/Client/modules/shared/services/configuration.service.ts

@@ -31,6 +31,7 @@ export class ConfigurationService {
             this.storageService.store('identityUrl', this.serverSettings.identityUrl);
             this.storageService.store('marketingUrl', this.serverSettings.marketingUrl);
             this.storageService.store('purchaseUrl', this.serverSettings.purchaseUrl);
+            this.storageService.store('signalrHubUrl', this.serverSettings.signalrHubUrl);
             this.storageService.store('activateCampaignDetailFunction', this.serverSettings.activateCampaignDetailFunction);
             this.isReady = true;
             this.settingsLoadedSource.next();

src/Web/WebSPA/Client/modules/shared/services/security.service.ts

@@ -82,7 +82,7 @@ export class SecurityService {
         let client_id = 'js';
         let redirect_uri = location.origin + '/';
         let response_type = 'id_token token';
-        let scope = 'openid profile orders basket marketing locations webshoppingagg';
+        let scope = 'openid profile orders basket marketing locations webshoppingagg orders.signalrhub';
         let nonce = 'N' + Math.random() + '' + Date.now();
         let state = Date.now() + '' + Math.random();
 

src/Web/WebSPA/Client/modules/shared/services/signalr.service.ts

@@ -10,7 +10,7 @@ export class SignalrService {
 
     private _hubConnection: HubConnection;
     private _httpConnection: HttpConnection;
-    private orderApiUrl: string = '';
+    private SignalrHubUrl: string = '';
     private msgSignalrSource = new Subject();
     msgReceived$ = this.msgSignalrSource.asObservable();
 
@@ -19,12 +19,12 @@ export class SignalrService {
         private configurationService: ConfigurationService, private toastr: ToastsManager,
     ) {
         if (this.configurationService.isReady) {
-            this.orderApiUrl = this.configurationService.serverSettings.purchaseUrl;
+            this.SignalrHubUrl = this.configurationService.serverSettings.signalrHubUrl;
             this.init();
         }
         else {
             this.configurationService.settingsLoaded$.subscribe(x => {
-                this.orderApiUrl = this.configurationService.serverSettings.purchaseUrl;
+                this.SignalrHubUrl = this.configurationService.serverSettings.signalrHubUrl;
                 this.init();
             });
         }            
@@ -43,7 +43,7 @@ export class SignalrService {
     }
 
     private register() {
-        this._httpConnection = new HttpConnection(this.orderApiUrl + '/orders-api/notificationhub', {
+        this._httpConnection = new HttpConnection(this.SignalrHubUrl + '/hub/notificationhub', {
             transport: TransportType.LongPolling,
             accessTokenFactory: () => this.securityService.GetToken()
         });