❔ What is the appropriate way to confirm User ID for API

[Authorize]

cs 
[Authorize]
public class CategoryService : ICategoryService
{
    private readonly DataDbContext        _context;
    private readonly IHttpContextAccessor _httpContextAccessor;
    
    private readonly string? _userId;

    public CategoryService(DataDbContext context, IHttpContextAccessor httpContextAccessor)
    {
        _context = context;
        _httpContextAccessor = httpContextAccessor;
        
        _userId = _httpContextAccessor.HttpContext?.User.FindFirstValue(ClaimTypes.NameIdentifier);
    }
    
    public async Task<List<CategoryDTO>> GetAll()
    {
        return await _context.Categories.Where( c => c.UserId == _userId ).Select( c => new CategoryDTO()
            {
            Id = c.Id,
            Name = c.Name
            } ).ToListAsync();
    }