Adds Messaging streaming

src/Web/Features/Messages/Handlers/AddReply.cs

@@ -0,0 +1,41 @@
+using FastEndpoints;
+using Hutopy.Web.Common;
+using Hutopy.Web.Features.Messages.Data;
+
+namespace Hutopy.Web.Features.Messages.Handlers;
+
+internal sealed class AddReplyRequest
+{
+    public required Guid SubjectId { get; set; }
+    public required Guid ParentId { get; set; }
+    public required string Message { get; set; }
+}
+
+internal sealed class AddReply(
+    MessagingDbContext context)
+    : Endpoint<AddReplyRequest>
+{
+    public override void Configure()
+    {
+        Post("/api/messages/{ParentId:guid}/replies");
+        Options(o => o.WithTags("Messages"));
+    }
+
+    public override async Task HandleAsync(
+        AddReplyRequest req,
+        CancellationToken ct)
+    {
+        var message = new Message
+        {
+            Id = GuidHelper.GenerateUuidV7(),
+            SubjectId = req.SubjectId,
+            ParentId = req.ParentId,
+            CreatedBy = User.GetUserId(),
+            Value = req.Message
+        };
+
+        await context.Messages.AddAsync(message, ct);
+
+        await context.SaveChangesAsync(ct);
+    }
+}