public async Task <IActionResult> DeleteConfirmed(int?id)
        {
            try
            {
                _partnerFactory.DeletePartner(id);
                return(RedirectToAction(nameof(Index)));
            }
            catch (InvalidOperationException e)
            {
                // log error here

                var allowedErrors = new List <string>()
                {
                    ServicesConstants.DeletePartner_NotAllowedReasonMessage_PartnerHasActions,
                    ServicesConstants.DeletePartner_NotAllowedReasonMessage_PartnerHasUsedActions,
                    ServicesConstants.DeletePartner_NotAllowedReasonMessage_PartnerHasUsers
                };

                if (allowedErrors.Contains(e.Message ?? ""))
                {
                    return(View("CustomError", new CustomErrorViewModel()
                    {
                        HeaderMessage = "Not allowed",
                        Message = e.Message,
                        ReturnUrls = new Dictionary <string, string>()
                        {
                            { "Back to Delete Partner page", Url.Action("Delete", "Partners", new { area = "Admin", id = id }) },
                            { "Go to this Partner details", Url.Action("Details", "Partners", new { area = "Admin", id = id }) },
                            { "Go to Partners", Url.Action("Index", "Partners", new { area = "Admin" }) },
                        }
                    }));
                }
                else
                {
                    return(RedirectToAction(nameof(Index)));
                }
            }
            catch (Exception e)
            {
                // log error here

                return(RedirectToAction(nameof(Index)));
            }
        }