public async Task <IActionResult> OnPostRejectAsync()
        {
            string storeId    = Request.Form["id-store"];
            bool   completeOk = bool.TryParse(Request.Form["checkbox-complete"], out bool completeCheck);
            bool   stageOk    = int.TryParse(Request.Form["next-stage"], out int stageId);

            if (!stageOk || !completeOk)
            {
                return(NotFound());
            }

            WebAppUser webAppUser = await _userHandler.GetUserAsync(HttpContext.User);

            ApprovalHandler approvalHandler = new ApprovalHandler(_context, storeId);

            bool isFirstStage = await approvalHandler.IsFirstStageAsync();

            bool isApprover = await approvalHandler.IsApproverAsync(webAppUser);

            if (!isApprover || isFirstStage)
            {
                return(NotFound());
            }

            bool isOk = await approvalHandler.ActionReject(completeCheck, stageId, webAppUser);

            if (isOk)
            {
                await SendEmailReject(approvalHandler);
            }
            return(Ok());
        }