[FA-misc] Initial MassTransit implementation seems to work

FictionArchive.Service.UserService/Contracts/UserInvited.cs

@@ -0,0 +1,12 @@
+using FictionArchive.Service.Shared.Contracts.Events;
+
+namespace FictionArchive.Service.UserService.Contracts;
+
+public record UserInvited(
+    string InvitedUserId,
+    string InvitedUsername,
+    string InvitedEmail,
+    string InvitedOAuthProviderId,
+    string InviterId,
+    string InviterUsername,
+    string InviterOAuthProviderId) : IUserInvited;

FictionArchive.Service.UserService/Models/IntegrationEvents/UserInvitedEvent.cs

@@ -1,17 +0,0 @@
-using FictionArchive.Service.Shared.Services.EventBus;
-
-namespace FictionArchive.Service.UserService.Models.IntegrationEvents;
-
-public class UserInvitedEvent : IIntegrationEvent
-{
-    // Invited user info
-    public Guid InvitedUserId { get; set; }
-    public required string InvitedUsername { get; set; }
-    public required string InvitedEmail { get; set; }
-    public required string InvitedOAuthProviderId { get; set; }
-
-    // Inviter info
-    public Guid InviterId { get; set; }
-    public required string InviterUsername { get; set; }
-    public required string InviterOAuthProviderId { get; set; }
-}

FictionArchive.Service.UserService/Program.cs

@@ -2,7 +2,6 @@ using System.Net.Http.Headers;
 using FictionArchive.Common.Extensions;
 using FictionArchive.Service.Shared;
 using FictionArchive.Service.Shared.Extensions;
-using FictionArchive.Service.Shared.Services.EventBus.Implementations;
 using FictionArchive.Service.UserService.GraphQL;
 using FictionArchive.Service.UserService.Services;
 using FictionArchive.Service.UserService.Services.AuthenticationClient;
@@ -19,15 +18,9 @@ public class Program
         var builder = WebApplication.CreateBuilder(args);
         builder.AddLocalAppsettings();
 
-        #region Event Bus
+        #region MassTransit
 
-        if (!isSchemaExport)
-        {
-            builder.Services.AddRabbitMQ(opt =>
-            {
-                builder.Configuration.GetSection("RabbitMQ").Bind(opt);
-            });
-        }
+        builder.Services.AddFictionArchiveMassTransit(builder.Configuration);
 
         #endregion
 

FictionArchive.Service.UserService/Services/UserManagementService.cs

@@ -1,7 +1,8 @@
-using FictionArchive.Service.Shared.Services.EventBus;
+using FictionArchive.Service.Shared.Contracts.Events;
+using FictionArchive.Service.UserService.Contracts;
 using FictionArchive.Service.UserService.Models.Database;
-using FictionArchive.Service.UserService.Models.IntegrationEvents;
 using FictionArchive.Service.UserService.Services.AuthenticationClient;
+using MassTransit;
 using Microsoft.EntityFrameworkCore;
 
 namespace FictionArchive.Service.UserService.Services;
@@ -11,18 +12,18 @@ public class UserManagementService
     private readonly ILogger<UserManagementService> _logger;
     private readonly UserServiceDbContext _dbContext;
     private readonly IAuthenticationServiceClient _authClient;
-    private readonly IEventBus _eventBus;
+    private readonly IPublishEndpoint _publishEndpoint;
 
     public UserManagementService(
         UserServiceDbContext dbContext,
         ILogger<UserManagementService> logger,
         IAuthenticationServiceClient authClient,
-        IEventBus eventBus)
+        IPublishEndpoint publishEndpoint)
     {
         _dbContext = dbContext;
         _logger = logger;
         _authClient = authClient;
-        _eventBus = eventBus;
+        _publishEndpoint = publishEndpoint;
     }
 
     /// <summary>
@@ -99,16 +100,14 @@ public class UserManagementService
 
         await _dbContext.SaveChangesAsync();
 
-        await _eventBus.Publish(new UserInvitedEvent
-        {
-            InvitedUserId = newUser.Id,
-            InvitedUsername = newUser.Username,
-            InvitedEmail = newUser.Email,
-            InvitedOAuthProviderId = newUser.OAuthProviderId,
-            InviterId = inviter.Id,
-            InviterUsername = inviter.Username,
-            InviterOAuthProviderId = inviter.OAuthProviderId
-        });
+        await _publishEndpoint.Publish<IUserInvited>(new UserInvited(
+            InvitedUserId: newUser.Id.ToString(),
+            InvitedUsername: newUser.Username,
+            InvitedEmail: newUser.Email,
+            InvitedOAuthProviderId: newUser.OAuthProviderId,
+            InviterId: inviter.Id.ToString(),
+            InviterUsername: inviter.Username,
+            InviterOAuthProviderId: inviter.OAuthProviderId));
 
         _logger.LogInformation(
             "User {Username} was successfully invited by {InviterId}. New user id: {NewUserId}",

FictionArchive.Service.UserService/appsettings.json

@@ -2,7 +2,8 @@
   "Logging": {
     "LogLevel": {
       "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
+      "Microsoft.AspNetCore": "Warning",
+      "Microsoft.EntityFrameworkCore": "Warning"
     }
   },
   "ConnectionStrings": {