Adds Messaging streaming

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

@@ -0,0 +1,39 @@
+using FastEndpoints;
+using Hutopy.Web.Common;
+using Hutopy.Web.Features.Messages.Data;
+
+namespace Hutopy.Web.Features.Messages.Handlers;
+
+public class AddMessageRequest
+{
+    public Guid SubjectId { get; set; }
+    public string Message { get; set; }
+}
+
+public class AddMessage(
+    MessagingDbContext context)
+    : Endpoint<AddMessageRequest>
+{
+    public override void Configure()
+    {
+        Post("/api/messages");
+        Options(o => o.WithTags("Messages"));
+    }
+
+    public override async Task HandleAsync(
+        AddMessageRequest req,
+        CancellationToken ct)
+    {
+        var message = new Message
+        {
+            Id = GuidHelper.GenerateUuidV7(),
+            SubjectId = req.SubjectId,
+            CreatedBy = User.GetUserId(),
+            Value = req.Message
+        };
+
+        await context.Messages.AddAsync(message, ct);
+
+        await context.SaveChangesAsync(ct);
+    }
+}