public async Task <IActionResult> GetLastPurchaseForUser(int userId)
{
if (userId != int.Parse(User.FindFirst(ClaimTypes.NameIdentifier).Value))
{
return(Unauthorized());
}
PurchaseOrder <UserOffer> purchase = await _repo.GetLastPurchaseForUser(userId);
var purchaseDto = _mapper.Map <PurchaseOrderDto>(purchase);
return(Ok(purchaseDto));
}