[FA-misc] Mass transit overhaul, needs testing and review

2026-01-21 23:16:31 -05:00
parent 055ef33666
commit f88f340d0a
97 changed files with 1150 additions and 858 deletions
--- a/FictionArchive.Service.Shared/MassTransit/MassTransitExtensions.cs
+++ b/FictionArchive.Service.Shared/MassTransit/MassTransitExtensions.cs
@@ -0,0 +1,103 @@
+using FictionArchive.Service.Shared.MassTransit.Configuration;
+using MassTransit;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace FictionArchive.Service.Shared.MassTransit;
+
+public static class MassTransitExtensions
+{
+    /// <summary>
+    /// Adds MassTransit with RabbitMQ and Entity Framework outbox
+    /// </summary>
+    public static IServiceCollection AddFictionArchiveMassTransit<TDbContext>(
+        this IServiceCollection services,
+        IConfiguration configuration,
+        Action<IBusRegistrationConfigurator>? configureConsumers = null)
+        where TDbContext : DbContext
+    {
+        services.AddMassTransit(x =>
+        {
+            configureConsumers?.Invoke(x);
+
+            x.AddEntityFrameworkOutbox<TDbContext>(o =>
+            {
+                o.UsePostgres();
+                o.UseBusOutbox();
+            });
+
+            x.UsingRabbitMq((context, cfg) =>
+            {
+                var options = configuration.GetSection("RabbitMQ").Get<MassTransitOptions>()
+                    ?? new MassTransitOptions();
+
+                cfg.Host(options.Host, options.VirtualHost, h =>
+                {
+                    h.Username(options.Username);
+                    h.Password(options.Password);
+                });
+
+                // Immediate retries for transient failures
+                cfg.UseMessageRetry(r => r.Intervals(
+                    TimeSpan.FromSeconds(1),
+                    TimeSpan.FromSeconds(1),
+                    TimeSpan.FromSeconds(1)));
+
+                // Delayed redelivery for longer outages
+                cfg.UseDelayedRedelivery(r => r.Intervals(
+                    TimeSpan.FromSeconds(5),
+                    TimeSpan.FromSeconds(30),
+                    TimeSpan.FromMinutes(2),
+                    TimeSpan.FromMinutes(10),
+                    TimeSpan.FromMinutes(30)));
+
+                cfg.ConfigureEndpoints(context);
+            });
+        });
+
+        return services;
+    }
+
+    /// <summary>
+    /// Adds MassTransit with RabbitMQ without outbox (for services without EF)
+    /// </summary>
+    public static IServiceCollection AddFictionArchiveMassTransit(
+        this IServiceCollection services,
+        IConfiguration configuration,
+        Action<IBusRegistrationConfigurator>? configureConsumers = null)
+    {
+        services.AddMassTransit(x =>
+        {
+            configureConsumers?.Invoke(x);
+
+            x.UsingRabbitMq((context, cfg) =>
+            {
+                var options = configuration.GetSection("RabbitMQ").Get<MassTransitOptions>()
+                    ?? new MassTransitOptions();
+
+                cfg.Host(options.Host, options.VirtualHost, h =>
+                {
+                    h.Username(options.Username);
+                    h.Password(options.Password);
+                });
+
+                cfg.UseMessageRetry(r => r.Intervals(
+                    TimeSpan.FromSeconds(1),
+                    TimeSpan.FromSeconds(1),
+                    TimeSpan.FromSeconds(1)));
+
+                cfg.UseDelayedRedelivery(r => r.Intervals(
+                    TimeSpan.FromSeconds(5),
+                    TimeSpan.FromSeconds(30),
+                    TimeSpan.FromMinutes(2),
+                    TimeSpan.FromMinutes(10),
+                    TimeSpan.FromMinutes(30)));
+
+                cfg.ConfigureEndpoints(context);
+            });
+        });
+
+        return services;
+    }
+}