public async Task <IActionResult> Index(DateTime?planningDate)
        {
            return(await _resiliencyHelper.ExecuteResilient(async() =>
            {
                if (planningDate == null)
                {
                    planningDate = DateTime.Now.Date;
                }

                var model = new WorkshopManagementViewModel
                {
                    Date = planningDate.Value,
                    MaintenanceJobs = new List <MaintenanceJob>()
                };

                // get planning
                string dateStr = planningDate.Value.ToString("yyyy-MM-dd");
                WorkshopPlanning planning = await _workshopManagementAPI.GetWorkshopPlanning(dateStr);
                if (planning?.Jobs?.Count > 0)
                {
                    model.MaintenanceJobs.AddRange(planning.Jobs.OrderBy(j => j.StartTime));
                }

                return View(model);
            }, View("Offline", new WorkshopManagementOfflineViewModel())));
        }
        public async Task <IActionResult> Index(DateTime?date)
        {
            return(await ExecuteWithFallback(async() =>
            {
                if (date == null)
                {
                    date = DateTime.Now.Date;
                }

                var model = new WorkshopManagementViewModel
                {
                    Date = date.Value,
                    MaintenanceJobs = new List <MaintenanceJob>()
                };

                // get planning
                string dateStr = date.Value.ToString("yyyy-MM-dd");
                WorkshopPlanning planning = await _workshopManagementAPI.GetWorkshopPlanning(dateStr);
                if (planning?.Jobs?.Count > 0)
                {
                    model.MaintenanceJobs.AddRange(planning.Jobs.OrderBy(j => j.StartTime));
                }

                return View(model);
            }));
        }