public async Task <JsonResult> FileUpload(int documentId)
{
var results = new List <FileUploadAttachmentResult>();
List <Attachment> attachmentsTempData = null;
if (TempData[PortalHelpers.TempDataKeys.Attachments] != null)
{
attachmentsTempData = (List <Attachment>)TempData[PortalHelpers.TempDataKeys.Attachments];
}
attachmentsTempData = attachmentsTempData ?? new List <Attachment>();
foreach (string file in Request.Files)
{
var fileContent = Request.Files[file];
if (fileContent != null && fileContent.ContentLength > 0)
{
var path = PortalHelpers.GetStorageFolderPath($"Temp/{Guid.NewGuid()}.dat");
var attachment = new FileUploadAttachmentResult
{
AttachmentsId = Stuff.Random.Next(int.MaxValue),
FileName = fileContent.FileName,
FilePath = path,
CreatedByUserId = CurrentUserId,
DocumentId = documentId,
FileSize = fileContent.ContentLength,
ContentType = fileContent.ContentType ?? System.Net.Mime.MediaTypeNames.Application.Octet
};
attachment.Whitelisted = PortalHelpers.VerifyFileAccept(
Properties.Settings.Default.AttachmentFileUploadAccept,
attachment.FileName,
attachment.ContentType);
if (attachment.Whitelisted)
{
try
{
using (var fileStream = System.IO.File.Create(path))
{
await fileContent.InputStream.CopyToAsync(fileStream);
}
attachment.Added = true;
}
catch (Exception ex)
{
attachment.SaveError = true;
attachment.ErrorMessages.Add(ex.Message);
}
}
else
{
attachment.ErrorMessages.Add(Properties.Settings.Default.AttachmentFileUploadAcceptMessage);
}
results.Add(attachment);
}
}
attachmentsTempData.AddRange(results.Where(z => z.Added));
TempData[PortalHelpers.TempDataKeys.Attachments] = attachmentsTempData;
return(Json(results));
}
public async Task <IActionResult> FileUpload(int documentId)
{
var results = new List <FileUploadAttachmentResult>();
var attachmentsTempData = TempData.FileUploadAttachmentResults();
foreach (var file in Request.Form.Files)
{
if (file.Length > 0)
{
var fn = $"{Guid.NewGuid()}.dat";
var attachment = new FileUploadAttachmentResult
{
AttachmentsId = Stuff.Random.Next(int.MaxValue),
FileName = file.FileName,
CreatedByUserId = CurrentUserId,
DocumentId = documentId,
FileSize = file.Length,
ContentType = file.ContentType ?? System.Net.Mime.MediaTypeNames.Application.Octet
};
attachment.Whitelisted = PortalHelpers.VerifyFileAccept(attachment.FileName, attachment.ContentType);
if (attachment.Whitelisted)
{
attachment.FilePath = Path.Combine(Path.GetTempPath(), Path.GetTempFileName());
try
{
using (var fileStream = System.IO.File.Create(attachment.FilePath))
{
await file.CopyToAsync(fileStream);
}
attachment.Added = true;
attachmentsTempData.Add(attachment);
}
catch (Exception ex)
{
attachment.SaveError = true;
attachment.ErrorMessages.Add(ex.Message);
}
}
else
{
attachment.ErrorMessages.Add(PortalHelpers.AttachmentFileUploadAcceptMessage);
}
results.Add(attachment);
}
}
TempData.FileUploadAttachmentResults(attachmentsTempData);
return(Json(results));
}