public ActionResult UploadFiles()
{
try
{
if (Request.InputStream.Length != 0)
{
string type = Request.RequestType;
string fileName = Request.QueryString["file"];
string parameters = Request.QueryString["param"];
int requestId = Int32.Parse(parameters.Substring(parameters.IndexOf('=') + 1));
bool lastChunk = string.IsNullOrEmpty(Request.QueryString["last"]) ? true : bool.Parse(Request.QueryString["last"]);
bool firstChunk = string.IsNullOrEmpty(Request.QueryString["first"]) ? true : bool.Parse(Request.QueryString["first"]);
long startByte = string.IsNullOrEmpty(Request.QueryString["offset"]) ? 0 : long.Parse(Request.QueryString["offset"]);
ModularProgramDocument document = null;
if (firstChunk)
{
document = Documents.All.FirstOrDefault(d => d.Name == fileName && d.RequestId == requestId) ?? Documents.Add(new ModularProgramDocument());
document.Name = fileName;
document.RequestId = requestId;
document.Segments.ToList().ForEach(s => DocumentSegments.Remove(s));
document.MimeType = GetMimeType(fileName);
}
else
{
document = Documents.All.FirstOrDefault(d => d.Name == fileName && d.RequestId == requestId);
}
ModularProgramDocumentSegment segment = new ModularProgramDocumentSegment();
segment.Document = document;
document.Segments.Add(segment);
UnitOfWork.Commit();
long offset = 0;
byte[] buffer = new byte[Math.Min(Request.InputStream.Length - Request.InputStream.Position, _buffer_size)];
var ctx = (UnitOfWork as System.Data.Entity.Infrastructure.IObjectContextAdapter).ObjectContext;
int bytesRead = 0;
while ((bytesRead = Request.InputStream.Read(buffer, 0, buffer.Length)) != 0)
{
if (offset == 0)
{
ctx.ExecuteStoreCommand(@"update ModularProgramDocumentSegments set Content = convert( varbinary(max), {0} ) where Id = {1}", buffer, segment.Id);
}
else
{
ctx.ExecuteStoreCommand(@"update ModularProgramDocumentSegments set Content = Content + {0} where Id = {1}", buffer, segment.Id);
}
offset += bytesRead;
}
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e);
throw e;
}
return(null);
}
public void GarbageCollection()
{
DateTime yesterday = DateTime.Today.Subtract(TimeSpan.FromDays(1));
var docs = Documents.All.Where(d => d.Created < yesterday);
docs.ForEach(b =>
{
b.Segments.ToList().ForEach(s => DocumentSegments.Remove(s));
Documents.Remove(b);
});
UnitOfWork.Commit();
}
