Adds messages api

src/Web/Messages/Handlers/GetMessagesByUser.cs

@@ -0,0 +1,33 @@
+using FastEndpoints;
+using Hutopy.Web.Messages.Data;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace Hutopy.Web.Messages.Handlers;
+
+public record GetMessagesByUserRequest(
+    [FromRoute] Guid UserId);
+
+public class GetMessagesByUser(
+    MessagingDbContext context)
+    : EndpointWithoutRequest<List<Message>>
+{
+    public override void Configure()
+    {
+        Tags("Messages");
+        Get("/api/messages/by-user/{UserId:guid}");
+    }
+
+    public override async Task HandleAsync(
+        CancellationToken ct)
+    {
+        var userId = Route<Guid>("UserId");
+        
+        var posts = await context
+            .Messages
+            .Where(c => c.CreatedBy == userId)
+            .ToListAsync(cancellationToken: ct);
+
+        await SendAsync(posts, cancellation: ct);
+    }
+}