public void DocumentsTestReadingStream()
{
const string fileString = "The quick brown fox jumps over the lazy dog.";
using (var db = new DataContext())
{
//Create the document
var document = new Document
{
FileName = "test.txt",
Name = "test",
MimeType = "text/plain",
Viewable = true,
ItemID = Guid.Empty
};
db.Documents.Add(document);
db.SaveChanges();
try
{
//Our Test file
var textBytes = System.Text.Encoding.UTF8.GetBytes(fileString);
//Write the file
using (var stream = new DocumentStream(db, document.ID))
{
stream.Write(textBytes, 0, textBytes.Length);
stream.Flush();
}
db.SaveChanges();
//Read the file
using (var stream = new DocumentStream(db, document.ID))
{
var bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
var txt = System.Text.Encoding.UTF8.GetString(bytes);
Debug.Assert(txt == fileString);
}
}
finally
{
db.Documents.Remove(document);
db.SaveChanges();
}
}
}
public void CopyData(DataContext db, Guid sourceDocumentID)
{
using (var sourceStream = new DocumentStream(db, sourceDocumentID))
{
using (var destinationStream = new DocumentStream(db, this.ID))
{
sourceStream.CopyTo(destinationStream);
this.Length = sourceStream.Length;
destinationStream.Flush();
}
sourceStream.Flush();
}
}
public void CopyData(DataContext db, Guid sourceDocumentID)
{
DateTime contentCreated = DateTime.UtcNow;
using (var sourceStream = new DocumentStream(db, sourceDocumentID))
{
using (var destinationStream = new DocumentStream(db, this.ID))
{
sourceStream.CopyTo(destinationStream);
this.Length = sourceStream.Length;
destinationStream.Flush();
}
sourceStream.Flush();
}
db.Database.ExecuteSqlCommand($"UPDATE Documents SET ContentModifiedOn = GETUTCDATE(), ContentCreatedOn = '{ contentCreated }' WHERE ID = '{ this.ID.ToString("D") }'");
}