chore: correct namespaces and hiearchy

src/TrackApi/TrackQrApi/Features/QRCodes/Endpoints/GetQRCodeEndpoint.cs

@@ -0,0 +1,60 @@
+using System.Security.Claims;
+using System.Text.Json;
+using FastEndpoints;
+using Microsoft.EntityFrameworkCore;
+using TrackQrApi.Data;
+using TrackQrApi.Features.Auth.Common;
+using TrackQrApi.Features.QRCodes.Common;
+
+namespace TrackQrApi.Features.QRCodes.Endpoints;
+
+public class GetQRCodeRequest
+{
+    public Guid WorkspaceId { get; set; }
+    public Guid Id { get; set; }
+}
+
+public class GetQRCodeEndpoint(AppDbContext db)
+    : Endpoint<GetQRCodeRequest, QRCodeResponse>
+{
+    public override void Configure()
+    {
+        Get("/workspaces/{WorkspaceId}/qrcodes/{Id}");
+    }
+
+    public override async Task HandleAsync(GetQRCodeRequest req, CancellationToken ct)
+    {
+        var userId = Guid.Parse(User.FindFirstValue(ClaimTypes.NameIdentifier)!);
+
+        var qrCode = await db.QrCodeDesigns
+            .Include(q => q.ShortLink)
+            .Include(q => q.LogoAsset)
+            .Where(q => q.Id == req.Id && q.WorkspaceId == req.WorkspaceId && q.Workspace.OwnerUserId == userId)
+            .FirstOrDefaultAsync(ct);
+
+        if (qrCode is null)
+        {
+            await HttpContext.Response.SendAsync(new MessageResponse("QR code not found"), 404, cancellation: ct);
+            return;
+        }
+
+        var style = JsonSerializer.Deserialize<QRCodeStyle>(qrCode.StyleJson) ?? new QRCodeStyle();
+        var baseUrl = $"{HttpContext.Request.Scheme}://{HttpContext.Request.Host}";
+
+        var response = new QRCodeResponse(
+            qrCode.Id,
+            qrCode.WorkspaceId,
+            qrCode.ProjectId,
+            qrCode.ShortLinkId,
+            qrCode.ShortLink?.Slug,
+            qrCode.Name,
+            style,
+            qrCode.LogoAssetId,
+            qrCode.LogoAsset != null ? $"{baseUrl}/assets/{qrCode.LogoAsset.StorageKey}" : null,
+            qrCode.CreatedAt,
+            qrCode.UpdatedAt
+        );
+
+        await HttpContext.Response.SendAsync(response, cancellation: ct);
+    }
+}