fix grpc call from mobile bff to basket.api and add ordering, in ordering controller

docker-compose.override.yml

@@ -115,6 +115,7 @@ services:
       - Serilog__MinimumLevel__Override__Ordering.API=Verbose
     ports:
       - "5102:80" 
+      - "5581:5001"  
       
   ordering.backgroundtasks:
     environment:
@@ -284,6 +285,8 @@ services:
       - urls__catalog=http://catalog.api
       - urls__orders=http://ordering.api
       - urls__identity=http://identity.api
+      - urls__grpcBasket=http://10.0.75.1:5580
+      - urls__grpcOrdering=http://10.0.75.1:5581
       - CatalogUrlHC=http://catalog.api/hc
       - OrderingUrlHC=http://ordering.api/hc
       - IdentityUrlHC=http://identity.api/hc             
@@ -291,7 +294,7 @@ services:
       - MarketingUrlHC=http://marketing.api/hc
       - PaymentUrlHC=http://payment.api/hc
       - LocationUrlHC=http://locations.api/hc
-      - IdentityUrlExternal=http://${ESHOP_EXTERNAL_DNS_NAME_OR_IP}:5105
+      - IdentityUrlExternal=http://10.0.75.1:5105
     ports:
       - "5120:80"   
 

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Config/UrlsConfig.cs

@@ -27,5 +27,7 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Config
         public string Basket { get; set; }
         public string Catalog { get; set; }
         public string Orders { get; set; }
+        public string GrpcBasket { get; set; }
+        public string GrpcOrdering { get; set; }
     }
 }

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Controllers/OrderController.cs

@@ -13,12 +13,12 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Controllers
     public class OrderController : ControllerBase
     {
         private readonly IBasketService _basketService;
-        private readonly IOrderApiClient _orderClient;
+        private readonly IOrderingService _orderingService;
 
-        public OrderController(IBasketService basketService, IOrderApiClient orderClient)
+        public OrderController(IBasketService basketService, IOrderingService orderingService)
         {
             _basketService = basketService;
-            _orderClient = orderClient;
+            _orderingService = orderingService;
         }
 
         [Route("draft/{basketId}")]
@@ -39,7 +39,7 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Controllers
                 return BadRequest($"No basket found for id {basketId}");
             }
 
-            return await _orderClient.GetOrderDraftFromBasketAsync(basket);
+            return await _orderingService.GetOrderDraftAsync(basket);
         }
     }
 }

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Infrastructure/HttpClientAuthorizationDelegatingHandler.cs

@@ -40,8 +40,6 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Infrastruct
                 request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
             }
 
-            _logger.LogInformation("@@@@@@@@@@@@@@@@@ {@request}", request);
-
             return await base.SendAsync(request, cancellationToken);
         }
 

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Mobile.Shopping.HttpAggregator.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="Grpc.AspNetCore.Server.ClientFactory" Version="$(Grpc_AspNetCore_Server_ClientFactory)" />
     <PackageReference Include="Google.Protobuf" Version="$(Google_Protobuf)" />
     <PackageReference Include="Grpc.Core" Version="1.22.0" />
-    <PackageReference Include="Grpc.Tools" Version="$(Grpc_Tools)" PrivateAssets="All" />   
+    <PackageReference Include="Grpc.Tools" Version="$(Grpc_Tools)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics.HealthChecks" Version="$(Microsoft_AspNetCore_Diagnostics_HealthChecks)" />
     <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="$(Microsoft_Extensions_Diagnostics_HealthChecks)" />
     <PackageReference Include="Serilog.AspNetCore" Version="$(Serilog_AspNetCore)" />
@@ -34,10 +34,11 @@
   <ItemGroup>
     <ProjectReference Include="..\..\..\BuildingBlocks\Devspaces.Support\Devspaces.Support.csproj" />
   </ItemGroup>
-  
+
   <ItemGroup>
     <Protobuf Include="..\..\..\Services\Basket\Basket.API\Proto\basket.proto" GrpcServices="Client" />
     <Protobuf Include="..\..\..\Services\Catalog\Catalog.API\Proto\catalog.proto" GrpcServices="Client" />
+    <Protobuf Include="..\..\..\Services\Ordering\Ordering.API\Proto\ordering.proto" GrpcServices="Client" />
   </ItemGroup>
 
 </Project>

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Models/BasketData.cs

@@ -6,7 +6,7 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
     {
         public string BuyerId { get; set; }
 
-        public List<BasketDataItem> Items { get; set; }
+        public List<BasketDataItem> Items { get; set; } = new List<BasketDataItem>();
 
         public BasketData()
         {
@@ -16,7 +16,6 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
         public BasketData(string buyerId)
         {
             BuyerId = buyerId;
-            Items = new List<BasketDataItem>();
         }
     }
 

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Models/OrderData.cs

@@ -1,7 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
 
 namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
 {
@@ -28,6 +26,6 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
 
         public string Buyer { get; set; }
 
-        public List<OrderItemData> OrderItems { get; } = new List<OrderItemData>();
+        public List<OrderItemData> OrderItems { get;  } = new List<OrderItemData>();
     }
 }

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Models/OrderItemData.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
+namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
 {
     public class OrderItemData
     {

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Models/UpdateBasketItemsRequest.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
+using System.Collections.Generic;
 
 namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
 {

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Models/UpdateBasketRequest.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
+using System.Collections.Generic;
 
 namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models
 {

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Services/BasketService.cs

@@ -27,9 +27,6 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Services
 
         public async Task<BasketData> GetById(string id)
         {
-
-            _logger.LogInformation("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ GetById @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
-
             AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
             AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2Support", true);
 
@@ -38,24 +35,21 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Services
                 httpClientHandler.ServerCertificateCustomValidationCallback = (message, cert, chain, errors) => { return true; };
                 using (var httpClient = new HttpClient(httpClientHandler))
                 {
-                    _logger.LogInformation("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Http2UnencryptedSupport disable @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
+                    //httpClient.BaseAddress = new Uri("http://10.0.75.1:5580");
+                    httpClient.BaseAddress = new Uri(_urls.GrpcBasket);
 
-                    httpClient.BaseAddress = new Uri("http://localhost:5580");
-
-                    _logger.LogInformation("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ {httpClient.BaseAddress} @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ " + httpClient.BaseAddress, httpClient.BaseAddress);
+                    _logger.LogDebug("Creating grpc client for basket {@httpClient.BaseAddress} ", httpClient.BaseAddress);
 
                     var client = GrpcClient.Create<Basket.BasketClient>(httpClient);
 
-                    _logger.LogInformation("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ client create @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
+                    _logger.LogDebug("grpc client created, request = {@id}", id);
 
                     try
                     {
 
                         var response = await client.GetBasketByIdAsync(new BasketRequest { Id = id });
-                        _logger.LogInformation("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ call grpc server @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
 
-                        _logger.LogInformation("############## DATA: {@a}", response.Buyerid);
-                        _logger.LogInformation("############## DATA:response {@response}", response);
+                        _logger.LogDebug("grpc response {@response}", response);
 
                         return MapToBasketData(response);
                     }
@@ -66,11 +60,7 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Services
                 }
             }
 
-            return null; // temp
-            // var data = await _apiClient.GetStringAsync(_urls.Basket +  UrlsConfig.BasketOperations.GetItemById(id));
-            // var basket = !string.IsNullOrEmpty(data) ? JsonConvert.DeserializeObject<BasketData>(data) : null;
-
-            // return basket;
+            return null;
         }
 
         public async Task UpdateAsync(BasketData currentBasket)

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Services/IOrderingService.cs

@@ -0,0 +1,10 @@
+using Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models;
+using System.Threading.Tasks;
+
+namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Services
+{
+    public interface IOrderingService
+    {
+        Task<OrderData> GetOrderDraftAsync(BasketData basketData);
+    }
+}

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Services/OrderingService.cs

@@ -0,0 +1,113 @@
+using Grpc.Net.Client;
+using Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Config;
+using Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using System;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+using GrpcOrdering;
+using Grpc.Core;
+
+namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Services
+{
+    public class OrderingService : IOrderingService
+    {
+        private readonly HttpClient _httpClient;
+        private readonly UrlsConfig _urls;
+        private readonly ILogger<OrderingService> _logger;
+
+        public OrderingService(HttpClient httpClient, IOptions<UrlsConfig> config, ILogger<OrderingService> logger)
+        {
+            _httpClient = httpClient;
+            _urls = config.Value;
+            _logger = logger;
+        }
+
+        public async Task<OrderData> GetOrderDraftAsync(BasketData basketData)
+        {
+            AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
+            AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2Support", true);
+
+            using (var httpClientHandler = new HttpClientHandler())
+            {
+                httpClientHandler.ServerCertificateCustomValidationCallback = (message, cert, chain, errors) => { return true; };
+                using (var httpClient = new HttpClient(httpClientHandler))
+                {
+                    httpClient.BaseAddress = new Uri(_urls.GrpcOrdering);
+
+                    _logger.LogDebug(" Creating grpc client for ordering {@httpClient.BaseAddress}", httpClient.BaseAddress);
+
+                    var client = GrpcClient.Create<OrderingGrpc.OrderingGrpcClient>(httpClient);
+
+                    _logger.LogDebug(" grpc client created, basketData={@basketData}", basketData);
+
+                    try
+                    {
+
+                        var command = MapToOrderDraftCommand(basketData);
+                        var response = await client.CreateOrderDraftFromBasketDataAsync(command);
+
+                        _logger.LogDebug(" grpc response: {@response}", response);
+
+                        return MapToResponse(response);
+                    }
+                    catch (RpcException e)
+                    {
+                        _logger.LogError($"Error calling via grpc to ordering: {e.Status} - {e.Message}");
+                    }
+                }
+            }
+
+            return null;
+        }
+
+        private OrderData MapToResponse(GrpcOrdering.OrderDraftDTO orderDraft)
+        {
+            if (orderDraft == null)
+            {
+                return null;
+            }
+
+            var data = new OrderData
+            {
+                Total = (decimal)orderDraft.Total,
+            };
+
+            orderDraft.OrderItems.ToList().ForEach(o => data.OrderItems.Add(new OrderItemData
+            {
+                Discount = (decimal)o.Discount,
+                PictureUrl = o.PictureUrl,
+                ProductId = o.ProductId,
+                ProductName = o.ProductName,
+                UnitPrice = (decimal)o.UnitPrice,
+                Units = o.Units,
+            }));
+
+            return data;
+        }
+
+        private CreateOrderDraftCommand MapToOrderDraftCommand(BasketData basketData)
+        {
+            var command = new CreateOrderDraftCommand
+            {
+                BuyerId = basketData.BuyerId,
+            };
+
+            basketData.Items.ForEach(i => command.Items.Add(new BasketItem
+            {
+                Id = i.Id,
+                OldUnitPrice = (double)i.OldUnitPrice,
+                PictureUrl = i.PictureUrl,
+                ProductId = i.ProductId,
+                ProductName = i.ProductName,
+                Quantity = i.Quantity,
+                UnitPrice = (double)i.UnitPrice,
+            }));
+
+            return command;
+        }
+
+    }
+}

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Startup.cs

@@ -131,11 +131,9 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator
                     {
                         Implicit = new OpenApiOAuthFlow()
                         {
-                            // AuthorizationUrl = new Uri($"{configuration.GetValue<string>("IdentityUrlExternal")}/connect/authorize"),
-                            // TokenUrl = new Uri($"{configuration.GetValue<string>("IdentityUrlExternal")}/connect/token"),
-                            
-                            AuthorizationUrl = new Uri($"http://localhost:5105/connect/authorize"),
-                            TokenUrl = new Uri($"http://localhost:5105/connect/token"),
+                            AuthorizationUrl = new Uri($"{configuration.GetValue<string>("IdentityUrlExternal")}/connect/authorize"),
+                            TokenUrl = new Uri($"{configuration.GetValue<string>("IdentityUrlExternal")}/connect/token"),
+
                             Scopes = new Dictionary<string, string>()
                             {
                                 { "mobileshoppingagg", "Shopping Aggregator for Mobile Clients" }
@@ -188,7 +186,8 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator
             services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
 
             //register http services
-            services.AddHttpClient<IBasketService, BasketService>()
+            services
+                .AddHttpClient<IBasketService, BasketService>()
                 .AddHttpMessageHandler<HttpClientAuthorizationDelegatingHandler>()
                 .AddPolicyHandler(GetRetryPolicy())
                 .AddPolicyHandler(GetCircuitBreakerPolicy())
@@ -204,6 +203,11 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator
                    .AddPolicyHandler(GetCircuitBreakerPolicy())
                    .AddDevspacesSupport();
 
+            services.AddHttpClient<IOrderingService, OrderingService>()
+                   .AddPolicyHandler(GetRetryPolicy())
+                   .AddPolicyHandler(GetCircuitBreakerPolicy())
+                   .AddDevspacesSupport();
+
             return services;
         }
 

src/ApiGateways/Mobile.Bff.Shopping/aggregator/appsettings.localhost.json

@@ -3,7 +3,9 @@
     "basket": "http://localhost:55105",
     "catalog": "http://localhost:55101",
     "orders": "http://localhost:55102",
-    "identity": "http://localhost:55105"
+    "identity": "http://localhost:55105",
+    "grpcBasket": "http://localhost:5580",
+    "grpcOrdering": "http://localhost:5581"
   },
   "IdentityUrlExternal": "http://localhost:5105",
   "IdentityUrl": "http://localhost:5105",

src/Services/Ordering/Ordering.API/Grpc/OrderingService.cs

@@ -0,0 +1,92 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.Extensions.Logging;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.eShopOnContainers.Services.Ordering.API.Application.Commands;
+using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Extensions;
+using MediatR;
+using Grpc.Core;
+using AppCommand = Microsoft.eShopOnContainers.Services.Ordering.API.Application.Commands;
+using ApiModels = Ordering.API.Application.Models;
+using Google.Protobuf.Collections;
+using System.Collections.Generic;
+
+namespace GrpcOrdering
+{
+    public class OrderingService : OrderingGrpc.OrderingGrpcBase
+    {
+        private readonly IMediator _mediator;
+        private readonly ILogger<OrderingService> _logger;
+
+        public OrderingService(IMediator mediator, ILogger<OrderingService> logger)
+        {
+            _mediator = mediator;
+            _logger = logger;
+        }
+
+        public override async Task<OrderDraftDTO> CreateOrderDraftFromBasketData(CreateOrderDraftCommand createOrderDraftCommand, ServerCallContext context)
+        {
+            _logger.LogInformation($"Begin grpc call from method {context.Method} for ordering get order draft {createOrderDraftCommand}");
+            _logger.LogInformation(
+                "----- Sending command: {CommandName} - {IdProperty}: {CommandId} ({@Command})",
+                createOrderDraftCommand.GetGenericTypeName(),
+                nameof(createOrderDraftCommand.BuyerId),
+                createOrderDraftCommand.BuyerId,
+                createOrderDraftCommand);
+
+            var command = new AppCommand.CreateOrderDraftCommand(
+                            createOrderDraftCommand.BuyerId,
+                            this.MapBasketItems(createOrderDraftCommand.Items));
+
+
+            var data = await _mediator.Send(command);
+
+            if (data != null)
+            {
+                context.Status = new Status(StatusCode.OK, $" ordering get order draft {createOrderDraftCommand} do exist");
+
+                return this.MapResponse(data);
+            }
+            else
+            {
+                context.Status = new Status(StatusCode.NotFound, $" ordering get order draft {createOrderDraftCommand} do not exist");
+            }
+
+            return new OrderDraftDTO();
+        }
+
+        public OrderDraftDTO MapResponse(AppCommand.OrderDraftDTO order)
+        {
+            var result = new OrderDraftDTO()
+            {
+                Total = (double)order.Total,
+            };
+
+            order.OrderItems.ToList().ForEach(i => result.OrderItems.Add(new OrderItemDTO()
+            {
+                Discount = (double)i.Discount,
+                PictureUrl = i.PictureUrl,
+                ProductId = i.ProductId,
+                ProductName = i.ProductName,
+                UnitPrice = (double)i.UnitPrice,
+                Units = i.Units,
+            }));
+
+            return result;
+        }
+
+        public IEnumerable<ApiModels.BasketItem> MapBasketItems(RepeatedField<BasketItem> items)
+        {
+            return items.Select(x => new ApiModels.BasketItem()
+            {
+                Id = x.Id,
+                ProductId = x.ProductId,
+                ProductName = x.ProductName,
+                UnitPrice = (decimal)x.UnitPrice,
+                OldUnitPrice = (decimal)x.OldUnitPrice,
+                Quantity = x.Quantity,
+                PictureUrl = x.PictureUrl,
+            });
+        }
+    }
+}

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

@@ -19,6 +19,13 @@
     </Content>
   </ItemGroup>
 
+
+  <ItemGroup>
+    <Protobuf Include="Proto\ordering.proto" GrpcServices="Server" Generator="MSBuild:Compile" />
+    <Content Include="Proto\ordering.proto" />
+    <None Remove="@(Protobuf)" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBusRabbitMQ\EventBusRabbitMQ.csproj" />
     <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBusServiceBus\EventBusServiceBus.csproj" />
@@ -30,7 +37,10 @@
   </ItemGroup>
 
   <ItemGroup>
-  <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="$(Microsoft_AspNetCore_Mvc_NewtonsoftJson)"/>
+    <PackageReference Include="Grpc.AspNetCore.Server" Version="$(Grpc_AspNetCore_Server)" />
+    <PackageReference Include="Google.Protobuf" Version="$(Google_Protobuf)" />
+    <PackageReference Include="Grpc.Tools" Version="$(Grpc_Tools)" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="$(Microsoft_AspNetCore_Mvc_NewtonsoftJson)" />
     <PackageReference Include="AspNetCore.HealthChecks.AzureServiceBus" Version="$(AspNetCore_HealthChecks_AzureServiceBus)" />
     <PackageReference Include="AspNetCore.HealthChecks.Rabbitmq" Version="$(AspNetCore_HealthChecks_Rabbitmq)" />
     <PackageReference Include="AspNetCore.HealthChecks.SqlServer" Version="$(AspNetCore_HealthChecks_SqlServer)" />

src/Services/Ordering/Ordering.API/Program.cs

@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF;
 using Microsoft.eShopOnContainers.Services.Ordering.API.Infrastructure;
 using Microsoft.eShopOnContainers.Services.Ordering.Infrastructure;
@@ -10,6 +11,7 @@ using Microsoft.Extensions.Options;
 using Serilog;
 using System;
 using System.IO;
+using System.Net;
 
 namespace Microsoft.eShopOnContainers.Services.Ordering.API
 {
@@ -61,6 +63,20 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.API
         private static IWebHost BuildWebHost(IConfiguration configuration, string[] args) =>
             WebHost.CreateDefaultBuilder(args)
                 .CaptureStartupErrors(false)
+                .ConfigureKestrel(options =>
+                {
+                    var ports = GetDefinedPorts(configuration);
+                    options.Listen(IPAddress.Any, ports.httpPort, listenOptions =>
+                    {
+                        listenOptions.Protocols = HttpProtocols.Http1AndHttp2;
+                    });
+
+                    options.Listen(IPAddress.Any, ports.grpcPort, listenOptions =>
+                    {
+                        listenOptions.Protocols = HttpProtocols.Http2;
+                    });
+
+                })
                 .UseStartup<Startup>()
                 .UseApplicationInsights()
                 .UseContentRoot(Directory.GetCurrentDirectory())
@@ -102,5 +118,11 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.API
 
             return builder.Build();
         }
+        private static (int httpPort, int grpcPort) GetDefinedPorts(IConfiguration config)
+        {
+            var grpcPort = config.GetValue("GRPC_PORT", 5001);
+            var port = config.GetValue("PORT", 80);
+            return (port, grpcPort);
+        }
     }
 }

src/Services/Ordering/Ordering.API/Proto/ordering.proto

@@ -0,0 +1,39 @@
+syntax = "proto3";
+
+option csharp_namespace = "GrpcOrdering";
+
+package OrderingApi;
+
+service OrderingGrpc {
+	rpc CreateOrderDraftFromBasketData(CreateOrderDraftCommand) returns (OrderDraftDTO) {}
+}
+
+message CreateOrderDraftCommand {
+	string buyerId = 1;
+    repeated BasketItem items = 2;
+}
+
+
+message BasketItem {
+    string id = 1;
+    string productId = 2;
+    string productName = 3;
+    double unitPrice = 4;
+    double oldUnitPrice = 5;
+    int32 quantity = 6;
+    string pictureUrl = 7;
+}
+
+message OrderDraftDTO {
+    double total = 1;
+    repeated OrderItemDTO orderItems = 2;
+}
+message OrderItemDTO {
+    int32 productId = 1;
+    string productName = 2;
+    double unitPrice = 3;
+    double discount = 4;
+    int32 units = 5;
+    string pictureUrl = 6;
+}
+

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

@@ -7,12 +7,14 @@
     using global::Ordering.API.Application.IntegrationEvents.Events;
     using global::Ordering.API.Infrastructure.Filters;
     using global::Ordering.API.Infrastructure.Middlewares;
+    using GrpcOrdering;
     using HealthChecks.UI.Client;
     using Infrastructure.AutofacModules;
     using Infrastructure.Filters;
     using Infrastructure.Services;
     using Microsoft.AspNetCore.Builder;
     using Microsoft.AspNetCore.Diagnostics.HealthChecks;
+    using Microsoft.AspNetCore.Hosting;
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.Azure.ServiceBus;
     using Microsoft.EntityFrameworkCore;
@@ -34,6 +36,7 @@
     using System.Collections.Generic;
     using System.Data.Common;
     using System.IdentityModel.Tokens.Jwt;
+    using System.IO;
     using System.Reflection;
 
     public class Startup
@@ -47,7 +50,13 @@
 
         public virtual IServiceProvider ConfigureServices(IServiceCollection services)
         {
-            services.AddApplicationInsights(Configuration)
+            services
+                .AddGrpc(options =>
+                {
+                    options.EnableDetailedErrors = true;
+                })
+                .Services
+                .AddApplicationInsights(Configuration)
                 .AddCustomMvc()
                 .AddHealthChecks(Configuration)
                 .AddCustomDbContext(Configuration)
@@ -68,7 +77,7 @@
         }
 
 
-        public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
         {
             //loggerFactory.AddAzureWebAppDiagnostics();
             //loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace);
@@ -87,8 +96,23 @@
 
             app.UseEndpoints(endpoints =>
             {
+                endpoints.MapGrpcService<OrderingService>();
                 endpoints.MapDefaultControllerRoute();
                 endpoints.MapControllers();
+                endpoints.MapGet("/_proto/", async ctx =>
+                {
+                    ctx.Response.ContentType = "text/plain";
+                    using var fs = new FileStream(Path.Combine(env.ContentRootPath, "Proto", "basket.proto"), FileMode.Open, FileAccess.Read);
+                    using var sr = new StreamReader(fs);
+                    while (!sr.EndOfStream)
+                    {
+                        var line = await sr.ReadLineAsync();
+                        if (line != "/* >>" || line != "<< */")
+                        {
+                            await ctx.Response.WriteAsync(line);
+                        }
+                    }
+                });
                 endpoints.MapHealthChecks("/hc", new HealthCheckOptions()
                 {
                     Predicate = _ => true,