public async Task <IActionResult> UploadFileAsync(FileUploadViewModel model) { if (!ModelState.IsValid) { string errorMessages = String.Join("; ", ModelState.Values.SelectMany(v => v.Errors).Select(e => e.ErrorMessage)) + ". "; TempData["ActionMessage"] = $"[FAILED] The image { model.File.FileName } cannot be uploaded. { errorMessages }Please try again."; } else { var newFileUpload = await _fileProcessor.InsertFileRecordToDatabaseWithImageUploadingAsync( model.File, _configuration["ConnectionString:AzureStorage"], "uploaded-photos", await GetCurrentUserAsync()); await _db.FileUploads.AddAsync(newFileUpload); await _db.SaveChangesAsync(); TempData["ActionMessage"] = $"The image { model.File.FileName } has been uploaded."; } return(RedirectToAction("Index")); }