Merge branch 'integration-events-rmq' into dev

docker-compose.override.yml

@@ -14,6 +14,7 @@ services:
       - ASPNETCORE_URLS=http://0.0.0.0:5103
       - ConnectionString=basket.data
       - identityUrl=http://identity.api:5105              #Local: You need to open your local dev-machine firewall at range 5100-5105.  at range 5100-5105. 
+      - EventBusConnection=rabbitmq
     ports:
       - "5103:5103"
 
@@ -22,7 +23,8 @@ services:
       - ASPNETCORE_ENVIRONMENT=Development
       - ASPNETCORE_URLS=http://0.0.0.0:5101
       - ConnectionString=Server=sql.data;Database=Microsoft.eShopOnContainers.Services.CatalogDb;User Id=sa;Password=Pass@word
-      - ExternalCatalogBaseUrl=http://${ESHOP_EXTERNAL_DNS_NAME_OR_IP}:5101    #Local: You need to open your local dev-machine firewall at range 5100-5105.  at range 5100-5105.
+      - ExternalCatalogBaseUrl=http://${ESHOP_EXTERNAL_DNS_NAME_OR_IP}:5101    #Local: You need to open your local dev-machine firewall at range 5100-5105.  at range 5100-5105.	  
+      - EventBusConnection=rabbitmq
     ports:
       - "5101:5101"
 
@@ -42,6 +44,7 @@ services:
       - ASPNETCORE_URLS=http://0.0.0.0:5102
       - ConnectionString=Server=sql.data;Database=Microsoft.eShopOnContainers.Services.OrderingDb;User Id=sa;Password=Pass@word
       - identityUrl=http://identity.api:5105              #Local: You need to open your local dev-machine firewall at range 5100-5105.  at range 5100-5105. 
+      - EventBusConnection=rabbitmq
     ports:
       - "5102:5102"
 

docker-compose.yml

@@ -9,6 +9,7 @@ services:
     depends_on:
       - basket.data
       - identity.api
+      - rabbitmq
 
   catalog.api:
     image: eshop/catalog.api
@@ -17,6 +18,7 @@ services:
       dockerfile: Dockerfile
     depends_on:
       - sql.data
+      - rabbitmq
 
   identity.api:
     image: eshop/identity.api
@@ -61,3 +63,8 @@ services:
     image: redis
     ports:
       - "6379:6379"
+
+  rabbitmq:
+    image: rabbitmq
+    ports:
+      - "5672:5672"

eShopOnContainers-ServicesAndWebApps.sln

@@ -50,6 +50,14 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IntegrationTests", "test\Se
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FunctionalTests", "test\Services\FunctionalTests\FunctionalTests.csproj", "{CFE2FACB-4538-4B99-8A10-306F3882952D}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Common", "Common", "{47857844-D05A-4C37-BFB2-AF19B7EC418D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Infrastructure", "src\Services\Common\Infrastructure\Infrastructure.csproj", "{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Common", "Common", "{9C2566F6-3A98-4B1D-A6B2-35820CE88B73}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Infrastructure", "Infrastructure", "{7B41F409-D86D-4697-99BC-F8EBA21BB18F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Ad-Hoc|Any CPU = Ad-Hoc|Any CPU
@@ -544,6 +552,54 @@ Global
 		{CFE2FACB-4538-4B99-8A10-306F3882952D}.Release|x64.Build.0 = Release|Any CPU
 		{CFE2FACB-4538-4B99-8A10-306F3882952D}.Release|x86.ActiveCfg = Release|Any CPU
 		{CFE2FACB-4538-4B99-8A10-306F3882952D}.Release|x86.Build.0 = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|ARM.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|iPhone.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|iPhone.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|x64.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|x64.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|x86.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Ad-Hoc|x86.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|Any CPU.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|Any CPU.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|ARM.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|ARM.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|iPhone.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|iPhone.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|x64.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|x64.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|x86.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.AppStore|x86.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|ARM.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|x64.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Debug|x86.Build.0 = Debug|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|ARM.ActiveCfg = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|ARM.Build.0 = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|iPhone.Build.0 = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|x64.ActiveCfg = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|x64.Build.0 = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|x86.ActiveCfg = Release|Any CPU
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -567,5 +623,8 @@ Global
 		{F16E3C6A-1C94-4EAB-BE91-099618060B68} = {E279BF0F-7F66-4F3A-A3AB-2CDA66C1CD04}
 		{5B810E3D-112E-4857-B197-F09D2FD41E27} = {EF0337F2-ED00-4643-89FD-EE10863F1870}
 		{CFE2FACB-4538-4B99-8A10-306F3882952D} = {EF0337F2-ED00-4643-89FD-EE10863F1870}
+		{B08BA891-ABA2-4BD5-80E8-40B7546C3BE0} = {7B41F409-D86D-4697-99BC-F8EBA21BB18F}
+		{9C2566F6-3A98-4B1D-A6B2-35820CE88B73} = {91CF7717-08AB-4E65-B10E-0B426F01E2E8}
+		{7B41F409-D86D-4697-99BC-F8EBA21BB18F} = {9C2566F6-3A98-4B1D-A6B2-35820CE88B73}
 	EndGlobalSection
 EndGlobal

src/Services/Basket/Basket.API/Basket.API.csproj

@@ -39,6 +39,10 @@
     <PackageReference Include="Swashbuckle" Version="6.0.0-beta902" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\..\Common\Infrastructure\Infrastructure.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <None Update="Dockerfile">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>

src/Services/Basket/Basket.API/BasketSettings.cs

@@ -8,5 +8,7 @@ namespace Microsoft.eShopOnContainers.Services.Basket.API
     public class BasketSettings
     {
         public string ConnectionString { get; set; }
+
+        public string EventBusConnection { get; set; }
     }
 }

src/Services/Basket/Basket.API/Events/CatalogPriceChangedHandler.cs

@@ -0,0 +1,45 @@
+using Microsoft.eShopOnContainers.Services.Basket.API.Model;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure.Catalog;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Basket.API.Events
+{
+    public class ProductPriceChangedHandler : IIntegrationEventHandler<ProductPriceChanged>
+    {
+        private readonly IBasketRepository _repository;
+        public ProductPriceChangedHandler(IBasketRepository repository)
+        {
+            _repository = repository;
+        }
+
+        public async Task Handle(ProductPriceChanged @event)
+        {
+            var userIds = await _repository.GetUsers();
+            foreach (var id in userIds)
+            {
+                var basket = await _repository.GetBasket(id);
+                await UpdateBasket(@event.ItemId, @event.NewPrice, basket);
+            }
+        }
+
+        private async Task UpdateBasket(int itemId, decimal newPrice, CustomerBasket basket)
+        {
+            var itemsToUpdate = basket?.Items?.Where(x => int.Parse(x.ProductId) == itemId).ToList();
+            if (itemsToUpdate != null)
+            {
+                foreach (var item in itemsToUpdate)
+                {
+                    var originalPrice = item.UnitPrice;
+                    item.UnitPrice = newPrice;
+                    item.OldUnitPrice = originalPrice;
+                }
+                await _repository.UpdateBasket(basket);
+            }           
+        }
+    }
+}
+

src/Services/Basket/Basket.API/Model/BasketItem.cs

@@ -11,6 +11,7 @@ namespace Microsoft.eShopOnContainers.Services.Basket.API.Model
         public string ProductId { get; set; }
         public string ProductName { get; set; }
         public decimal UnitPrice { get; set; }
+        public decimal OldUnitPrice { get; set; }
         public int Quantity { get; set; }
         public string PictureUrl { get; set; }
     }

src/Services/Basket/Basket.API/Model/IBasketRepository.cs

@@ -8,6 +8,7 @@ namespace Microsoft.eShopOnContainers.Services.Basket.API.Model
     public interface IBasketRepository
     {
         Task<CustomerBasket> GetBasket(string customerId);
+        Task<IEnumerable<string>> GetUsers();
         Task<CustomerBasket> UpdateBasket(CustomerBasket basket);
         Task<bool> DeleteBasket(string id);
     }

src/Services/Basket/Basket.API/Model/RedisBasketRepository.cs

@@ -31,6 +31,18 @@ namespace Microsoft.eShopOnContainers.Services.Basket.API.Model
             return await database.KeyDeleteAsync(id.ToString());
         }
 
+        public async Task<IEnumerable<string>> GetUsers()
+        {
+            var server = await GetServer();
+            
+            IEnumerable<RedisKey> data = server.Keys();
+            if (data == null)
+            {
+                return null;
+            }
+            return data.Select(k => k.ToString());
+        }
+
         public async Task<CustomerBasket> GetBasket(string customerId)
         {
             var database = await GetDatabase();
@@ -63,14 +75,32 @@ namespace Microsoft.eShopOnContainers.Services.Basket.API.Model
         {
             if (_redis == null)
             {
-                //TODO: Need to make this more robust. Also want to understand why the static connection method cannot accept dns names.
+                await ConnectToRedisAsync();
-                var ips = await Dns.GetHostAddressesAsync(_settings.ConnectionString);
-                _logger.LogInformation($"Connecting to database {_settings.ConnectionString} at IP {ips.First().ToString()}");
-                _redis = await ConnectionMultiplexer.ConnectAsync(ips.First().ToString());
             }
 
             return _redis.GetDatabase();
         }
+
+        private async Task<IServer> GetServer()
+        {
+            if (_redis == null)
+            {
+                await ConnectToRedisAsync();
+            }
+            var endpoint = _redis.GetEndPoints();
+
+            return _redis.GetServer(endpoint.First());
+        }
+
+        private async Task ConnectToRedisAsync()
+        {
+            //TODO: Need to make this more robust. Also want to understand why the static connection method cannot accept dns names.
+            var ips = await Dns.GetHostAddressesAsync(_settings.ConnectionString);
+            _logger.LogInformation($"Connecting to database {_settings.ConnectionString} at IP {ips.First().ToString()}");
+            _redis = await ConnectionMultiplexer.ConnectAsync(ips.First().ToString());
+        }
+
+        
     }
 }
 

src/Services/Basket/Basket.API/Startup.cs

@@ -13,6 +13,9 @@ using Microsoft.Extensions.Options;
 using System.Net;
 using Swashbuckle.Swagger.Model;
 using Microsoft.eShopOnContainers.Services.Basket.API.Auth.Server;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure.Catalog;
+using Basket.API.Events;
 
 namespace Microsoft.eShopOnContainers.Services.Basket.API
 {
@@ -76,6 +79,17 @@ namespace Microsoft.eShopOnContainers.Services.Basket.API
             });
 
             services.AddTransient<IBasketRepository, RedisBasketRepository>();
+            services.AddTransient<IIntegrationEventHandler<ProductPriceChanged>, ProductPriceChangedHandler>();
+
+            var serviceProvider = services.BuildServiceProvider();
+            var configuration = serviceProvider.GetRequiredService<IOptionsSnapshot<BasketSettings>>().Value;
+            var eventBus = new EventBusRabbitMQ(configuration.EventBusConnection);
+            services.AddSingleton<IEventBus>(eventBus);
+
+            
+            var catalogPriceHandler = serviceProvider.GetService<IIntegrationEventHandler<ProductPriceChanged>>();
+            eventBus.Subscribe<ProductPriceChanged>(catalogPriceHandler);
+                    
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.

src/Services/Catalog/Catalog.API/Catalog.API.csproj

@@ -45,6 +45,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="1.1.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="1.1.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="1.1.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
     <PackageReference Include="Swashbuckle" Version="6.0.0-beta902" />
   </ItemGroup>
 
@@ -52,6 +53,10 @@
     <DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="1.0.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\..\Common\Infrastructure\Infrastructure.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <None Update="Dockerfile">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>

src/Services/Catalog/Catalog.API/Controllers/CatalogController.cs

@@ -3,7 +3,11 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure;
 using Microsoft.eShopOnContainers.Services.Catalog.API.Model;
 using Microsoft.eShopOnContainers.Services.Catalog.API.ViewModel;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure.Catalog;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure.Data;
 using Microsoft.Extensions.Options;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
@@ -15,11 +19,13 @@ namespace Microsoft.eShopOnContainers.Services.Catalog.API.Controllers
     {
         private readonly CatalogContext _context;
         private readonly IOptionsSnapshot<Settings> _settings;
+        private readonly IEventBus _eventBus;
 
-        public CatalogController(CatalogContext context, IOptionsSnapshot<Settings> settings)
+        public CatalogController(CatalogContext context, IOptionsSnapshot<Settings> settings, IEventBus eventBus)
         {
             _context = context;
             _settings = settings;
+            _eventBus = eventBus;
 
             ((DbContext)context).ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
         }
@@ -41,7 +47,7 @@ namespace Microsoft.eShopOnContainers.Services.Catalog.API.Controllers
             itemsOnPage = ComposePicUri(itemsOnPage);
 
             var model = new PaginatedItemsViewModel<CatalogItem>(
-                pageIndex, pageSize, totalItems, itemsOnPage);
+                pageIndex, pageSize, totalItems, itemsOnPage);           
 
             return Ok(model);
         }
@@ -99,7 +105,7 @@ namespace Microsoft.eShopOnContainers.Services.Catalog.API.Controllers
 
             var model = new PaginatedItemsViewModel<CatalogItem>(
                 pageIndex, pageSize, totalItems, itemsOnPage);
-            
+
             return Ok(model);
         }
 
@@ -125,6 +131,31 @@ namespace Microsoft.eShopOnContainers.Services.Catalog.API.Controllers
             return Ok(items);
         }
 
+        [HttpPost]
+        public async Task<IActionResult> Post([FromBody]CatalogItem value)
+        {
+            var item = await _context.CatalogItems.SingleOrDefaultAsync(i => i.Id == value.Id);
+
+            if (item == null)
+            {
+                return NotFound();
+            }
+
+            if (item.Price != value.Price)
+            {
+                var oldPrice = item.Price;
+                item.Price = value.Price;
+
+                _context.CatalogItems.Update(item);
+                await _context.SaveChangesAsync();
+
+                var @event = new ProductPriceChanged(item.Id, item.Price, oldPrice);
+                await ProcessEventAsync(@event);
+            }
+
+            return Ok();
+        }        
+
         private List<CatalogItem> ComposePicUri(List<CatalogItem> items) {
             var baseUri = _settings.Value.ExternalCatalogBaseUrl;
             items.ForEach(x =>
@@ -134,5 +165,22 @@ namespace Microsoft.eShopOnContainers.Services.Catalog.API.Controllers
 
             return items;
         }
+
+        private async Task ProcessEventAsync(IntegrationEventBase @event)
+        {
+            _eventBus.Publish(@event);
+            var eventData = new IntegrationEvent(@event);
+            eventData.TimesSent++;
+            eventData.State = EventStateEnum.Sent;            
+            try
+            {
+                _context.IntegrationEvents.Add(eventData);
+                await _context.SaveChangesAsync();
+            }
+            catch (Exception ex)
+            {
+                var t = ex.Message;                
+            }            
+        }
     }
 }

src/Services/Catalog/Catalog.API/Infrastructure/CatalogContext.cs

@@ -3,6 +3,7 @@
     using EntityFrameworkCore.Metadata.Builders;
     using Microsoft.EntityFrameworkCore;
     using Model;
+    using Microsoft.eShopOnContainers.Services.Common.Infrastructure.Data;
 
     public class CatalogContext : DbContext
     {
@@ -12,12 +13,15 @@
         public DbSet<CatalogItem> CatalogItems { get; set; }
         public DbSet<CatalogBrand> CatalogBrands { get; set; }
         public DbSet<CatalogType> CatalogTypes { get; set; }
+        public DbSet<IntegrationEvent> IntegrationEvents { get; set; }
+
         protected override void OnModelCreating(ModelBuilder builder)
         {
             builder.Entity<CatalogBrand>(ConfigureCatalogBrand);
             builder.Entity<CatalogType>(ConfigureCatalogType);
             builder.Entity<CatalogItem>(ConfigureCatalogItem);
-        }
+            builder.Entity<IntegrationEvent>(ConfigureIntegrationEvent);
+        }     
 
         void ConfigureCatalogItem(EntityTypeBuilder<CatalogItem> builder)
         {
@@ -75,5 +79,31 @@
                 .IsRequired()
                 .HasMaxLength(100);
         }
+
+        void ConfigureIntegrationEvent(EntityTypeBuilder<IntegrationEvent> builder)
+        {
+            builder.ToTable("IntegrationEvent");
+
+            builder.HasKey(e => e.EventId);
+
+            builder.Property(e => e.EventId)
+                .IsRequired();
+
+            builder.Property(e => e.Content)
+                .IsRequired();
+
+            builder.Property(e => e.CreationTime)
+                .IsRequired();
+
+            builder.Property(e => e.State)
+                .IsRequired();
+
+            builder.Property(e => e.TimesSent)
+                .IsRequired();
+
+            builder.Property(e => e.EventTypeName)
+                .IsRequired();
+
+        }
     }
 }

src/Services/Catalog/Catalog.API/Infrastructure/Migrations/20170314083211_AddEventTable.Designer.cs

@@ -0,0 +1,123 @@
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure;
+
+namespace Catalog.API.Infrastructure.Migrations
+{
+    [DbContext(typeof(CatalogContext))]
+    [Migration("20170314083211_AddEventTable")]
+    partial class AddEventTable
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+            modelBuilder
+                .HasAnnotation("ProductVersion", "1.1.0-rtm-22752")
+                .HasAnnotation("SqlServer:Sequence:.catalog_brand_hilo", "'catalog_brand_hilo', '', '1', '10', '', '', 'Int64', 'False'")
+                .HasAnnotation("SqlServer:Sequence:.catalog_hilo", "'catalog_hilo', '', '1', '10', '', '', 'Int64', 'False'")
+                .HasAnnotation("SqlServer:Sequence:.catalog_type_hilo", "'catalog_type_hilo', '', '1', '10', '', '', 'Int64', 'False'")
+                .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogBrand", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasAnnotation("SqlServer:HiLoSequenceName", "catalog_brand_hilo")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.SequenceHiLo);
+
+                    b.Property<string>("Brand")
+                        .IsRequired()
+                        .HasMaxLength(100);
+
+                    b.HasKey("Id");
+
+                    b.ToTable("CatalogBrand");
+                });
+
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasAnnotation("SqlServer:HiLoSequenceName", "catalog_hilo")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.SequenceHiLo);
+
+                    b.Property<int>("CatalogBrandId");
+
+                    b.Property<int>("CatalogTypeId");
+
+                    b.Property<string>("Description");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50);
+
+                    b.Property<string>("PictureUri");
+
+                    b.Property<decimal>("Price");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CatalogBrandId");
+
+                    b.HasIndex("CatalogTypeId");
+
+                    b.ToTable("Catalog");
+                });
+
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogType", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasAnnotation("SqlServer:HiLoSequenceName", "catalog_type_hilo")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.SequenceHiLo);
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(100);
+
+                    b.HasKey("Id");
+
+                    b.ToTable("CatalogType");
+                });
+
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Common.Infrastructure.Data.IntegrationEvent", b =>
+                {
+                    b.Property<Guid>("EventId")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Content")
+                        .IsRequired();
+
+                    b.Property<DateTime>("CreationTime");
+
+                    b.Property<string>("EventTypeName")
+                        .IsRequired()
+                        .HasMaxLength(200);
+
+                    b.Property<int>("State");
+
+                    b.Property<int>("TimesSent");
+
+                    b.HasKey("EventId");
+
+                    b.ToTable("IntegrationEvent");
+                });
+
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogItem", b =>
+                {
+                    b.HasOne("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogBrand", "CatalogBrand")
+                        .WithMany()
+                        .HasForeignKey("CatalogBrandId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogType", "CatalogType")
+                        .WithMany()
+                        .HasForeignKey("CatalogTypeId")
+                        .OnDelete(DeleteBehavior.Cascade);
+                });
+        }
+    }
+}

src/Services/Catalog/Catalog.API/Infrastructure/Migrations/20170314083211_AddEventTable.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Catalog.API.Infrastructure.Migrations
+{
+    public partial class AddEventTable : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "IntegrationEvent",
+                columns: table => new
+                {
+                    EventId = table.Column<Guid>(nullable: false),
+                    Content = table.Column<string>(nullable: false),
+                    CreationTime = table.Column<DateTime>(nullable: false),
+                    EventTypeName = table.Column<string>(maxLength: 200, nullable: false),
+                    State = table.Column<int>(nullable: false),
+                    TimesSent = table.Column<int>(nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_IntegrationEvent", x => x.EventId);
+                });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "IntegrationEvent");
+        }
+    }
+}

src/Services/Catalog/Catalog.API/Infrastructure/Migrations/CatalogContextModelSnapshot.cs

@@ -4,6 +4,7 @@ using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure;
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure;
 
 namespace Catalog.API.Infrastructure.Migrations
 {
@@ -13,13 +14,13 @@ namespace Catalog.API.Infrastructure.Migrations
         protected override void BuildModel(ModelBuilder modelBuilder)
         {
             modelBuilder
-                .HasAnnotation("ProductVersion", "1.0.1")
+                .HasAnnotation("ProductVersion", "1.1.0-rtm-22752")
                 .HasAnnotation("SqlServer:Sequence:.catalog_brand_hilo", "'catalog_brand_hilo', '', '1', '10', '', '', 'Int64', 'False'")
                 .HasAnnotation("SqlServer:Sequence:.catalog_hilo", "'catalog_hilo', '', '1', '10', '', '', 'Int64', 'False'")
                 .HasAnnotation("SqlServer:Sequence:.catalog_type_hilo", "'catalog_type_hilo', '', '1', '10', '', '', 'Int64', 'False'")
                 .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
 
-            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure.CatalogBrand", b =>
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogBrand", b =>
                 {
                     b.Property<int>("Id")
                         .ValueGeneratedOnAdd()
@@ -28,14 +29,14 @@ namespace Catalog.API.Infrastructure.Migrations
 
                     b.Property<string>("Brand")
                         .IsRequired()
-                        .HasAnnotation("MaxLength", 100);
+                        .HasMaxLength(100);
 
                     b.HasKey("Id");
 
                     b.ToTable("CatalogBrand");
                 });
 
-            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure.CatalogItem", b =>
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogItem", b =>
                 {
                     b.Property<int>("Id")
                         .ValueGeneratedOnAdd()
@@ -50,7 +51,7 @@ namespace Catalog.API.Infrastructure.Migrations
 
                     b.Property<string>("Name")
                         .IsRequired()
-                        .HasAnnotation("MaxLength", 50);
+                        .HasMaxLength(50);
 
                     b.Property<string>("PictureUri");
 
@@ -65,7 +66,7 @@ namespace Catalog.API.Infrastructure.Migrations
                     b.ToTable("Catalog");
                 });
 
-            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure.CatalogType", b =>
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogType", b =>
                 {
                     b.Property<int>("Id")
                         .ValueGeneratedOnAdd()
@@ -74,21 +75,44 @@ namespace Catalog.API.Infrastructure.Migrations
 
                     b.Property<string>("Type")
                         .IsRequired()
-                        .HasAnnotation("MaxLength", 100);
+                        .HasMaxLength(100);
 
                     b.HasKey("Id");
 
                     b.ToTable("CatalogType");
                 });
 
-            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure.CatalogItem", b =>
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Common.Infrastructure.Data.IntegrationEvent", b =>
                 {
-                    b.HasOne("Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure.CatalogBrand", "CatalogBrand")
+                    b.Property<Guid>("EventId")
+                        .ValueGeneratedOnAdd();
+
+                    b.Property<string>("Content")
+                        .IsRequired();
+
+                    b.Property<DateTime>("CreationTime");
+
+                    b.Property<string>("EventTypeName")
+                        .IsRequired()
+                        .HasMaxLength(200);
+
+                    b.Property<int>("State");
+
+                    b.Property<int>("TimesSent");
+
+                    b.HasKey("EventId");
+
+                    b.ToTable("IntegrationEvent");
+                });
+
+            modelBuilder.Entity("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogItem", b =>
+                {
+                    b.HasOne("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogBrand", "CatalogBrand")
                         .WithMany()
                         .HasForeignKey("CatalogBrandId")
                         .OnDelete(DeleteBehavior.Cascade);
 
-                    b.HasOne("Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure.CatalogType", "CatalogType")
+                    b.HasOne("Microsoft.eShopOnContainers.Services.Catalog.API.Model.CatalogType", "CatalogType")
                         .WithMany()
                         .HasForeignKey("CatalogTypeId")
                         .OnDelete(DeleteBehavior.Cascade);

src/Services/Catalog/Catalog.API/Startup.cs

@@ -7,9 +7,11 @@
     using Microsoft.EntityFrameworkCore;
     using Microsoft.EntityFrameworkCore.Infrastructure;
     using Microsoft.eShopOnContainers.Services.Catalog.API.Infrastructure;
+    using Microsoft.eShopOnContainers.Services.Common.Infrastructure;
     using Microsoft.Extensions.Configuration;
     using Microsoft.Extensions.DependencyInjection;
     using Microsoft.Extensions.Logging;
+    using Microsoft.Extensions.Options;
     using System;
     using System.IO;
     using System.Reflection;
@@ -73,6 +75,10 @@
                     .AllowCredentials());
             });
 
+            var serviceProvider = services.BuildServiceProvider();
+            var configuration = serviceProvider.GetRequiredService<IOptionsSnapshot<Settings>>().Value;
+            services.AddSingleton<IEventBus>(new EventBusRabbitMQ(configuration.EventBusConnection));
+            
             services.AddMvc();
         }
 

src/Services/Catalog/Catalog.API/settings.cs

@@ -9,5 +9,6 @@ namespace Microsoft.eShopOnContainers.Services.Catalog.API
     public class Settings
     {
         public string ExternalCatalogBaseUrl {get;set;}
+        public string EventBusConnection { get; set; }
     }
 }

src/Services/Common/Infrastructure/Catalog/ProductPriceChanged.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Microsoft.eShopOnContainers.Services.Common.Infrastructure.Catalog
+{
+    public class ProductPriceChanged : IntegrationEventBase
+    {        
+        public int ItemId { get; private set; }
+
+        public decimal NewPrice { get; private set; }
+
+        public decimal OldPrice { get; set; }
+
+        public ProductPriceChanged(int itemId, decimal newPrice, decimal oldPrice)
+        {
+            ItemId = itemId;
+            NewPrice = newPrice;
+            OldPrice = oldPrice;
+        }
+}
+}

src/Services/Common/Infrastructure/Data/EventStateEnum.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Microsoft.eShopOnContainers.Services.Common.Infrastructure
+{
+    public enum EventStateEnum
+    {
+        NotSend = 0,
+        Sent = 1,
+        SendingFailed = 2
+    }
+}

src/Services/Common/Infrastructure/Data/IntegrationEvent.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace Microsoft.eShopOnContainers.Services.Common.Infrastructure.Data
+{
+    public class IntegrationEvent
+    {
+        public IntegrationEvent(IntegrationEventBase @event)
+        {
+            EventId = @event.Id;
+            CreationTime = DateTime.UtcNow;
+            EventTypeName = @event.GetType().FullName;
+            Content = JsonConvert.SerializeObject(@event);
+            State = EventStateEnum.NotSend;
+            TimesSent = 0;
+        }
+        public Guid EventId { get; private set; }
+        public string EventTypeName { get; private set; }
+        public EventStateEnum State { get; set; }
+        public int TimesSent { get; set; }
+        public DateTime CreationTime { get; private set; }
+        public string Content { get; private set; }
+    }
+}

src/Services/Common/Infrastructure/EventBusRabbitMQ.cs

@@ -0,0 +1,154 @@
+
+using Microsoft.eShopOnContainers.Services.Common.Infrastructure.Catalog;
+using Newtonsoft.Json;
+using RabbitMQ.Client;
+using RabbitMQ.Client.Events;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopOnContainers.Services.Common.Infrastructure
+{
+    public class EventBusRabbitMQ : IEventBus
+    {
+        private readonly string _brokerName = "eshop_event_bus";
+        private readonly string _connectionString;
+        private readonly Dictionary<string, List<IIntegrationEventHandler>>  _handlers;
+        private readonly List<Type> _eventTypes;
+
+        private Tuple<IModel, IConnection> _connection;
+        private string _queueName;
+        
+
+        public EventBusRabbitMQ(string connectionString)
+        {
+            _connectionString = connectionString;
+            _handlers = new Dictionary<string, List<IIntegrationEventHandler>>();
+            _eventTypes = new List<Type>();
+        }
+        public void Publish(IntegrationEventBase @event)
+        {
+            var eventName = @event.GetType().Name;
+            var factory = new ConnectionFactory() { HostName = _connectionString };
+            using (var connection = factory.CreateConnection())
+            using (var channel = connection.CreateModel())
+            {
+                channel.ExchangeDeclare(exchange: _brokerName,
+                                    type: "direct");
+
+                string message = JsonConvert.SerializeObject(@event);                                
+                var body = Encoding.UTF8.GetBytes(message);
+
+                channel.BasicPublish(exchange: _brokerName,
+                                     routingKey: eventName,
+                                     basicProperties: null,
+                                     body: body);                
+            }
+            
+        }
+
+        public void Subscribe<T>(IIntegrationEventHandler<T> handler) where T : IntegrationEventBase
+        {
+            var eventName = typeof(T).Name;
+            if (_handlers.ContainsKey(eventName))   
+            {
+                _handlers[eventName].Add(handler);
+            }
+            else
+            {
+                var channel = GetChannel();
+                channel.QueueBind(queue: _queueName,
+                                  exchange: _brokerName,
+                                  routingKey: eventName);
+                                               
+                _handlers.Add(eventName, new List<IIntegrationEventHandler>());
+                _handlers[eventName].Add(handler);
+                _eventTypes.Add(typeof(T));
+            }
+            
+        }
+
+        public void Unsubscribe<T>(IIntegrationEventHandler<T> handler) where T : IntegrationEventBase
+        {
+            var eventName = typeof(T).Name;
+            if (_handlers.ContainsKey(eventName) && _handlers[eventName].Contains(handler))
+            {
+                _handlers[eventName].Remove(handler);
+
+                if (_handlers[eventName].Count == 0)
+                {
+                    _handlers.Remove(eventName);
+                    var eventType = _eventTypes.Single(e => e.Name == eventName);
+                    _eventTypes.Remove(eventType);
+                    _connection.Item1.QueueUnbind(queue: _queueName, 
+                        exchange: _brokerName, 
+                        routingKey: eventName);
+
+                    if (_handlers.Keys.Count == 0)
+                    {
+                        _queueName = string.Empty;
+                        _connection.Item1.Close();
+                        _connection.Item2.Close();
+                    }
+                    
+                }
+            }
+        }
+
+        private IModel GetChannel()
+        {
+            if (_connection != null)
+            {
+                return _connection.Item1;
+            }
+            else
+            {
+                var factory = new ConnectionFactory() { HostName = _connectionString };
+                var connection = factory.CreateConnection();
+                var channel = connection.CreateModel();
+
+                channel.ExchangeDeclare(exchange: _brokerName,
+                                    type: "direct");
+                if (string.IsNullOrEmpty(_queueName))
+                {
+                    _queueName = channel.QueueDeclare().QueueName;
+                }
+
+                var consumer = new EventingBasicConsumer(channel);
+                consumer.Received += async (model, ea) =>
+                {
+                    var eventName = ea.RoutingKey;
+                    var message = Encoding.UTF8.GetString(ea.Body);
+
+                    await ProcessEvent(eventName, message);
+                };
+                channel.BasicConsume(queue: _queueName,
+                                     noAck: true,
+                                     consumer: consumer);
+                _connection = new Tuple<IModel, IConnection>(channel, connection);
+
+                return _connection.Item1;
+            }
+        }
+
+        private async Task ProcessEvent(string eventName, string message)
+        {
+            if (_handlers.ContainsKey(eventName))
+            {
+                Type eventType = _eventTypes.Single(t => t.Name == eventName);
+                var integrationEvent = JsonConvert.DeserializeObject(message, eventType);                
+                var concreteType = typeof(IIntegrationEventHandler<>).MakeGenericType(eventType);
+                var handlers = _handlers[eventName];
+
+                foreach (var handler in handlers)
+                {
+                    await (Task)concreteType.GetMethod("Handle").Invoke(handler, new object[] { integrationEvent });
+                }
+            }
+        }
+    }
+}

src/Services/Common/Infrastructure/IEventBus.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Microsoft.eShopOnContainers.Services.Common.Infrastructure
+{
+    public interface IEventBus
+    {
+        void Subscribe<T>(IIntegrationEventHandler<T> handler) where T: IntegrationEventBase;
+        void Unsubscribe<T>(IIntegrationEventHandler<T> handler) where T : IntegrationEventBase;
+        void Publish(IntegrationEventBase @event);
+    }
+}

src/Services/Common/Infrastructure/IIntegrationEventHandler.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopOnContainers.Services.Common.Infrastructure
+{
+    public interface IIntegrationEventHandler<in TIntegrationEvent> : IIntegrationEventHandler 
+        where TIntegrationEvent: IntegrationEventBase
+    {
+        Task Handle(TIntegrationEvent @event);
+    }
+
+    public interface IIntegrationEventHandler
+    {
+    }
+}

src/Services/Common/Infrastructure/Infrastructure.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
+  <PropertyGroup>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+    <RuntimeFrameworkVersion>1.1.0</RuntimeFrameworkVersion>
+    <RootNamespace>Microsoft.eShopOnContainers.Services.Common.Infrastructure</RootNamespace>    
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="RabbitMQ.Client" Version="4.1.1" />
+  </ItemGroup>
+</Project>

src/Services/Common/Infrastructure/IntegrationEventBase.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Microsoft.eShopOnContainers.Services.Common.Infrastructure
+{
+    public class IntegrationEventBase
+    {
+        public IntegrationEventBase()
+        {
+            Id = Guid.NewGuid();
+        }
+
+        public Guid Id  { get; private set; }
+    }
+}

src/Services/Ordering/Ordering.API/Controllers/OrdersController.cs

@@ -11,7 +11,7 @@ using System.Threading.Tasks;
 namespace Microsoft.eShopOnContainers.Services.Ordering.API.Controllers
 {
     [Route("api/v1/[controller]")]
-    //[Authorize]
+    [Authorize]
     public class OrdersController : Controller
     {
         private readonly IMediator _mediator;

src/Web/WebMVC/ViewModels/BasketItem.cs

@@ -11,6 +11,7 @@ namespace Microsoft.eShopOnContainers.WebMVC.ViewModels
         public string ProductId { get; set; }
         public string ProductName { get; set; }
         public decimal UnitPrice { get; set; }
+        public decimal OldUnitPrice { get; set; }
         public int Quantity { get; set; }
         public string PictureUrl { get; set; }
     }

src/Web/WebMVC/Views/Shared/Components/CartList/Default.cshtml

@@ -18,17 +18,24 @@
         var item = Model.Items[i];
 
         <article class="esh-basket-items esh-basket-items--border row">
-
+            <div>
-            <section class="esh-basket-item esh-basket-item--middle col-lg-3 hidden-lg-down">
+                <section class="esh-basket-item esh-basket-item--middle col-lg-3 hidden-lg-down">
-                <img class="esh-basket-image" src="@item.PictureUrl" />
+                    <img class="esh-basket-image" src="@item.PictureUrl" />
-            </section>
+                </section>
-            <section class="esh-basket-item esh-basket-item--middle col-xs-3">@item.ProductName</section>
+                <section class="esh-basket-item esh-basket-item--middle col-xs-3">@item.ProductName</section>
-            <section class="esh-basket-item esh-basket-item--middle col-xs-2">$ @item.UnitPrice</section>
+                <section class="esh-basket-item esh-basket-item--middle col-xs-2">$ @item.UnitPrice</section>
-            <section class="esh-basket-item esh-basket-item--middle col-xs-2">
+                <section class="esh-basket-item esh-basket-item--middle col-xs-2">
-                <input type="hidden" name="@("quantities[" + i +"].Key")" value="@item.Id" />
+                    <input type="hidden" name="@("quantities[" + i +"].Key")" value="@item.Id" />
-                <input type="number" class="esh-basket-input" min="1" name="@("quantities[" + i +"].Value")" value="@item.Quantity" />
+                    <input type="number" class="esh-basket-input" min="1" name="@("quantities[" + i +"].Value")" value="@item.Quantity" />
-            </section>
+                </section>
-            <section class="esh-basket-item esh-basket-item--middle esh-basket-item--mark col-xs-2">$ @Math.Round(item.Quantity * item.UnitPrice, 2)</section>
+                <section class="esh-basket-item esh-basket-item--middle esh-basket-item--mark col-xs-2">$ @Math.Round(item.Quantity * item.UnitPrice, 2)</section>
+            </div>
+            @if (item.OldUnitPrice != 0)
+            {
+                <div class="esh-basket-item">
+                    The price of the item has changed. Old price was @item.OldUnitPrice $
+                </div>
+            }
         </article>
     }
 </div>

test/Services/FunctionalTests/FunctionalTests.csproj

@@ -13,6 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\..\src\Services\Catalog\Catalog.API\Catalog.API.csproj" />
     <ProjectReference Include="..\..\..\src\Services\Ordering\Ordering.API\Ordering.API.csproj" />
     <ProjectReference Include="..\..\..\src\Web\WebMVC\WebMVC.csproj" />
   </ItemGroup>

test/Services/FunctionalTests/Middleware/AutoAuthorizeMiddleware.cs

@@ -17,7 +17,7 @@ namespace FunctionalTests.Middleware
 
         public async Task Invoke(HttpContext httpContext)
         {
-            var identity = new ClaimsIdentity();
+            var identity = new ClaimsIdentity("cookies");
             identity.AddClaim(new Claim("sub", "1234"));
             httpContext.User.AddIdentity(identity);
             await _next.Invoke(httpContext);

test/Services/FunctionalTests/Services/Catalog/CatalogScenarios.cs

@@ -0,0 +1,55 @@
+using Microsoft.eShopOnContainers.Services.Catalog.API.Model;
+using Microsoft.eShopOnContainers.Services.Catalog.API.ViewModel;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace FunctionalTests.Services.Catalog
+{
+    public class CatalogScenarios : CatalogScenariosBase
+    {
+        [Fact]
+        public async Task Post_update_a_catalogitem_price_and_catalogitem_is_returned_modified()
+        {
+            using (var server = CreateServer())
+            {
+                var client = server.CreateClient();
+
+                // Arrange 
+                var itemToModify = GetCatalogItem();
+                var newPrice = new Random().Next(1, 200);
+                itemToModify.Price = newPrice;
+
+                // Act
+                var postRes = await client.PostAsync(Post.UpdateCatalogProduct, 
+                    new StringContent(JsonConvert.SerializeObject(itemToModify), 
+                    UTF8Encoding.UTF8, "application/json"));
+                var response = await client.GetAsync(Get.ProductByName(itemToModify.Name));
+                var result = JsonConvert.DeserializeObject<PaginatedItemsViewModel<CatalogItem>>(await response.Content.ReadAsStringAsync());
+                var item = result.Data.First();
+
+                // Assert
+                Assert.Equal(result.Count, 1);
+                Assert.Equal(itemToModify.Id, item.Id);
+                Assert.Equal(newPrice, item.Price);
+            }
+
+        }
+
+        private CatalogItem GetCatalogItem()
+        {
+            return new CatalogItem()
+            {
+                Id = 1,
+                Price = 12.5M,
+                Name = ".NET Bot Black Sweatshirt"
+            };
+        }
+
+    }
+}

test/Services/FunctionalTests/Services/Catalog/CatalogScenariosBase.cs

@@ -0,0 +1,38 @@
+using FunctionalTests.Middleware;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.eShopOnContainers.Services.Catalog.API;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace FunctionalTests.Services.Catalog
+{
+    public class CatalogScenariosBase
+    {
+        public TestServer CreateServer()
+        {
+            var webHostBuilder = new WebHostBuilder();
+            webHostBuilder.UseContentRoot(Directory.GetCurrentDirectory());
+            webHostBuilder.UseStartup<Startup>();
+
+            return new TestServer(webHostBuilder);
+        }
+
+        public static class Get
+        {
+            public static string Orders = "api/v1/orders";
+
+            public static string ProductByName(string name)
+            {
+                return $"api/v1/catalog/items/withname/{name}";
+            }
+        }
+
+        public static class Post
+        {
+            public static string UpdateCatalogProduct = "api/v1/catalog";
+        }
+    }
+}

test/Services/FunctionalTests/Services/Catalog/CatalogTestsStartup.cs

@@ -0,0 +1,15 @@
+using Microsoft.eShopOnContainers.Services.Catalog.API;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Microsoft.AspNetCore.Hosting;
+
+namespace FunctionalTests.Services.Catalog
+{
+    public class CatalogTestsStartup : Startup
+    {
+        public CatalogTestsStartup(IHostingEnvironment env) : base(env)
+        {
+        }
+    }
+}

test/Services/FunctionalTests/settings.json

@@ -1,5 +1,6 @@
 {
   "ConnectionString": "Server=tcp:127.0.0.1,5433;Database=Microsoft.eShopOnContainers.Services.OrderingDb;User Id=sa;Password=Pass@word;",
   "IdentityUrl": "http://localhost:5105",
-  "isTest": "true"
+  "isTest": "true",
+  "EventBusConnection": "localhost"
 }

test/Services/IntegrationTests/Middleware/AutoAuthorizeMiddleware.cs

@@ -17,7 +17,7 @@ namespace IntegrationTests.Middleware
 
         public async Task Invoke(HttpContext httpContext)
         {
-            var identity = new ClaimsIdentity();
+            var identity = new ClaimsIdentity("cookies");
             identity.AddClaim(new Claim("sub", "1234"));
             httpContext.User.AddIdentity(identity);
             await _next.Invoke(httpContext);