121 lines
3.7 KiB
C#
121 lines
3.7 KiB
C#
using System.Runtime.CompilerServices;
|
|
using Femto.Common;
|
|
using Femto.Common.Infrastructure;
|
|
using Femto.Common.Infrastructure.DbConnection;
|
|
using Femto.Common.Infrastructure.Outbox;
|
|
using Femto.Common.Integration;
|
|
using Femto.Modules.Auth.Contracts.Events;
|
|
using Femto.Modules.Blog.Handlers;
|
|
using Femto.Modules.Blog.Infrastructure;
|
|
using MediatR;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using Microsoft.Extensions.DependencyInjection;
|
|
using Microsoft.Extensions.Hosting;
|
|
using Microsoft.Extensions.Logging;
|
|
using Quartz;
|
|
|
|
namespace Femto.Modules.Blog.Application;
|
|
|
|
public static class BlogStartup
|
|
{
|
|
public static void InitializeBlogModule(
|
|
this IServiceCollection rootContainer,
|
|
string connectionString,
|
|
IEventBus bus,
|
|
ILoggerFactory loggerFactory
|
|
)
|
|
{
|
|
var hostBuilder = Host.CreateDefaultBuilder();
|
|
|
|
hostBuilder.ConfigureServices(services =>
|
|
ConfigureServices(services, connectionString, bus, loggerFactory)
|
|
);
|
|
|
|
var host = hostBuilder.Build();
|
|
|
|
rootContainer.AddHostedService(_ => new BlogApplication(host));
|
|
|
|
rootContainer.AddScoped(_ => new ScopeBinding<IBlogModule>(host.Services.CreateScope()));
|
|
rootContainer.AddScoped(services =>
|
|
services.GetRequiredService<ScopeBinding<IBlogModule>>().GetService()
|
|
);
|
|
|
|
bus.Subscribe(
|
|
(evt, cancellationToken) => EventSubscriber(evt, host.Services, cancellationToken)
|
|
);
|
|
}
|
|
|
|
private static void ConfigureServices(
|
|
this IServiceCollection services,
|
|
string connectionString,
|
|
IEventPublisher publisher,
|
|
ILoggerFactory loggerFactory
|
|
)
|
|
{
|
|
services.AddTransient<IDbConnectionFactory>(_ => new DbConnectionFactory(connectionString));
|
|
|
|
services.AddDbContext<BlogContext>(builder =>
|
|
{
|
|
builder.UseNpgsql(
|
|
connectionString,
|
|
o =>
|
|
{
|
|
o.MapEnum<OutboxEntryStatus>("outbox_status");
|
|
}
|
|
);
|
|
builder.UseSnakeCaseNamingConvention();
|
|
builder.UseLoggerFactory(loggerFactory);
|
|
});
|
|
|
|
services.AddSingleton(loggerFactory);
|
|
services.AddSingleton(typeof(ILogger<>), typeof(Logger<>));
|
|
|
|
services.AddOutbox<BlogContext, OutboxMessageHandler>();
|
|
|
|
services.AddMediatR(c =>
|
|
{
|
|
c.RegisterServicesFromAssembly(typeof(BlogStartup).Assembly);
|
|
});
|
|
|
|
services.ConfigureDomainServices<BlogContext>();
|
|
|
|
services.AddScoped<IBlogModule, BlogModule>();
|
|
|
|
services.AddSingleton(publisher);
|
|
}
|
|
|
|
private static async Task EventSubscriber(
|
|
IEvent evt,
|
|
IServiceProvider provider,
|
|
CancellationToken cancellationToken
|
|
)
|
|
{
|
|
using var scope = provider.CreateScope();
|
|
|
|
var context = scope.ServiceProvider.GetRequiredService<BlogContext>();
|
|
var loggerFactory = scope.ServiceProvider.GetRequiredService<ILoggerFactory>();
|
|
var logger = loggerFactory.CreateLogger<BlogApplication>();
|
|
var publisher = scope.ServiceProvider.GetRequiredService<IPublisher>();
|
|
|
|
// todo inject these
|
|
IEventHandler? handler = evt switch
|
|
{
|
|
UserWasCreatedIntegrationEvent => new UserCreatedEventHandler(
|
|
context,
|
|
loggerFactory.CreateLogger<UserCreatedEventHandler>()
|
|
),
|
|
_ => null,
|
|
};
|
|
|
|
if (handler is null)
|
|
return;
|
|
|
|
await handler.Handle(evt, cancellationToken);
|
|
|
|
if (context.ChangeTracker.HasChanges())
|
|
{
|
|
await context.EmitDomainEvents(logger, publisher, cancellationToken);
|
|
await context.SaveChangesAsync(cancellationToken);
|
|
}
|
|
}
|
|
}
|