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using Autofac;
using Autofac.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ;
using RabbitMQ.Client;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
using Payment.API.IntegrationEvents.Events;
using Payment.API.IntegrationEvents.EventHandling;
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namespace Payment.API
{
public class Startup
{
public Startup(IHostingEnvironment env)
{
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
.AddEnvironmentVariables();
Configuration = builder.Build();
}
public IConfigurationRoot Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public IServiceProvider ConfigureServices(IServiceCollection services)
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{
// Add framework services.
services.AddMvc();
services.Configure<PaymentSettings>(Configuration);
services.AddSingleton<IRabbitMQPersistentConnection>(sp =>
{
var logger = sp.GetRequiredService<ILogger<DefaultRabbitMQPersistentConnection>>();
var factory = new ConnectionFactory()
{
HostName = Configuration["EventBusConnection"]
};
return new DefaultRabbitMQPersistentConnection(factory, logger);
});
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RegisterServiceBus(services);
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services.AddSwaggerGen();
services.ConfigureSwaggerGen(options =>
{
options.DescribeAllEnumsAsStrings();
options.SingleApiVersion(new Swashbuckle.Swagger.Model.Info()
{
Title = "eShopOnContainers - Payment HTTP API",
Version = "v1",
Description = "The Payment Microservice HTTP API. This is a Data-Driven/CRUD microservice sample",
TermsOfService = "Terms Of Service"
});
});
var container = new ContainerBuilder();
container.Populate(services);
return new AutofacServiceProvider(container.Build());
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}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
loggerFactory.AddConsole(Configuration.GetSection("Logging"));
loggerFactory.AddDebug();
app.UseMvcWithDefaultRoute();
app.UseSwagger()
.UseSwaggerUi();
ConfigureEventBus(app);
}
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private void RegisterServiceBus(IServiceCollection services)
{
services.AddSingleton<IEventBus, EventBusRabbitMQ>();
services.AddSingleton<IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager>();
services.AddTransient<IIntegrationEventHandler<OrderStatusChangedToStockConfirmedIntegrationEvent>,
OrderStatusChangedToStockConfirmedIntegrationEventHandler>();
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}
private void ConfigureEventBus(IApplicationBuilder app)
{
var eventBus = app.ApplicationServices.GetRequiredService<IEventBus>();
eventBus.Subscribe<OrderStatusChangedToStockConfirmedIntegrationEvent,
IIntegrationEventHandler<OrderStatusChangedToStockConfirmedIntegrationEvent>>();
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}
}
}