public IActionResult ToggleFavorites(int materialId)
{
var loggedUser = _userService.FindByIdentityUserId(User.FindFirstValue(ClaimTypes.NameIdentifier));
var material = _service.GetMaterial(materialId);
if (material == null)
{
return(RedirectToAction("ResourceNotFound", "Error", new { error = "materiał o podanym Id nie istnieje." }));
}
_service.ToggleFavorite(material, loggedUser);
return(RedirectToAction("Material", new { @materialId = materialId }));
}