public async Task <IHttpActionResult> Upload(int id)
{
if (!Request.Content.IsMimeMultipartContent("form-data"))
{
return(BadRequest("Unsupported media type"));
}
try
{
var provider = new MultipartFormDataStreamProvider(HttpContext.Current.Server.MapPath("~/uploads/"));
var content = new StreamContent(HttpContext.Current.Request.GetBufferlessInputStream(true));
foreach (var header in Request.Content.Headers)
{
content.Headers.TryAddWithoutValidation(header.Key, header.Value);
}
await content.ReadAsMultipartAsync(provider);
using (var context = new DocumentEntities())
{
foreach (var file in provider.FileData)
{
using (var ts = new TransactionScope())
{
var documentMeta = new DocumentMeta
{
CollectionId = id,
FileName = file.Headers.ContentDisposition.Name.Trim(new char[] { '"' }).Replace("&", "and"),
UploadTime = DateTime.Now
};
context.DocumentMeta.Add(documentMeta);
context.SaveChanges();
var documentContent = new DocumentContent
{
Id = documentMeta.Id,
RowGuid = Guid.NewGuid(),
Data = new Byte[0]
};
context.DocumentContent.Add(documentContent);
context.SaveChanges();
using (var stream = File.OpenRead(file.LocalFileName))
{
DocumentContentHelper.AddContentData(documentContent.Id, context, stream);
}
ts.Complete();
}
}
}
return(Ok());
}
catch (Exception ex)
{
return(BadRequest(ex.GetBaseException().Message));
}
}
public HttpResponseMessage Get(int id)
{
using (var context = new DocumentEntities())
{
var documentMeta = context.DocumentMeta.FirstOrDefault(d => d.Id == id && d.DeleteTime == null);
if (documentMeta == null)
{
return(new HttpResponseMessage(HttpStatusCode.NotFound));
}
var stream = new MemoryStream();
var result = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = DocumentContentHelper.GetContentData(id, context, stream)
};
result.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
{
FileName = documentMeta.FileName
};
result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
return(result);
}
}
