controller.cs

[Route("api/user")]
[ApiController]
public class UserController : ControllerBase
{
    private readonly IContextReaderService _contextService;
    public UserController(IContextReaderService contextService)
    {
        _contextService = contextService;
    }
    [HttpGet]
    public IActionResult GetUser()
    {
        return Ok(_contextService.Username);
    }
}