chore: correct namespaces and hiearchy

src/TrackApi/TrackQrApi/Features/Domains/Endpoints/GetDomainEndpoint.cs

@@ -0,0 +1,50 @@
+using System.Security.Claims;
+using FastEndpoints;
+using Microsoft.EntityFrameworkCore;
+using TrackQrApi.Data;
+using TrackQrApi.Features.Auth.Common;
+using TrackQrApi.Features.Domains.Common;
+
+namespace TrackQrApi.Features.Domains.Endpoints;
+
+public class GetDomainRequest
+{
+    public Guid WorkspaceId { get; set; }
+    public Guid Id { get; set; }
+}
+
+public class GetDomainEndpoint(AppDbContext db)
+    : Endpoint<GetDomainRequest, DomainResponse>
+{
+    public override void Configure()
+    {
+        Get("/workspaces/{WorkspaceId}/domains/{Id}");
+    }
+
+    public override async Task HandleAsync(GetDomainRequest req, CancellationToken ct)
+    {
+        var userId = Guid.Parse(User.FindFirstValue(ClaimTypes.NameIdentifier)!);
+
+        var domain = await db.Domains
+            .Where(d => d.Id == req.Id && d.WorkspaceId == req.WorkspaceId && d.Workspace.OwnerUserId == userId)
+            .FirstOrDefaultAsync(ct);
+
+        if (domain is null)
+        {
+            await HttpContext.Response.SendAsync(new MessageResponse("Domain not found"), 404, cancellation: ct);
+            return;
+        }
+
+        var response = new DomainResponse(
+            domain.Id,
+            domain.WorkspaceId,
+            domain.Hostname,
+            domain.Status.ToString(),
+            domain.VerificationToken,
+            $"TXT _trakqr-verification {domain.VerificationToken}",
+            domain.CreatedAt
+        );
+
+        await HttpContext.Response.SendAsync(response, cancellation: ct);
+    }
+}