// Upload een foto en store hem lokaal, zet een referentie naar de foto in de database
public string UploadPhoto(string filename, byte[] imageStream, long userId)
{
string filePath = Path.Combine((Environment.GetFolderPath(Environment.SpecialFolder.Desktop)), filename); // Host HostingEnvironment.MapPath
int length = 0;
Stream stream = new MemoryStream(imageStream);
stream.Position = 0;
using (FileStream writer = new FileStream(filePath, FileMode.Create))
{
int readCount;
var buffer = new byte[8192];
while ((readCount = stream.Read(buffer, 0, buffer.Length)) != 0)
{
writer.Write(buffer, 0, readCount);
length += readCount;
}
}
using (ThreadingEntities ent = new ThreadingEntities())
{
Photo foto = new Photo();
foto.PhotoName = filename;
foto.Path = filePath;
foto.UserId = userId;
foto.ImageData = imageStream;
ent.Photos.Attach(foto);
ent.Photos.Add(foto);
ent.SaveChanges();
}
return("Succes");
}
// Delete een foto uit de database
public void DeletePhoto(long photoId)
{
using (ThreadingEntities ent = new ThreadingEntities())
{
var removeFoto = (from f in ent.Photos where f.PhotoId == photoId select f).First();
ent.Photos.Remove(removeFoto);
ent.SaveChanges();
}
}
// Voeg een nieuwe gebruiker toe aan de database
public void AddUser(User user)
{
using (ThreadingEntities ent = new ThreadingEntities())
{
ent.Users.Attach(user);
ent.Users.Add(user);
ent.SaveChanges();
}
}
// Set het wachtwoord van de gebruiker in de database aan de hand van de gebruikersID
public bool SetUserPassword(string pw, long userId)
{
using (ThreadingEntities ent = new ThreadingEntities())
{
var user = (from g in ent.Users where g.UserId == userId select g).First();
if (user != null)
{
user.Password = pw;
ent.SaveChanges();
return(true);
}
return(false);
}
}
// Verander de gebruikersnaam in de database aan de hand van gebruikersID
public bool SetUsername(string gebrNaam, long userId)
{
using (ThreadingEntities ent = new ThreadingEntities())
{
var user = (from g in ent.Users where g.UserId == userId select g).First();
if (user != null)
{
user.Username = gebrNaam;
ent.SaveChanges();
return(true);
}
return(false);
}
}
// Geef de foto een nieuwe naam aan de hand van fotoID
public bool SetPhotoName(long photoId, string naam)
{
using (ThreadingEntities ent = new ThreadingEntities())
{
var foto = (from f in ent.Photos where f.PhotoId == photoId select f).First();
if (foto != null)
{
foto.PhotoName = naam;
ent.SaveChanges();
return(true);
}
return(true);
}
}
