public void DeleteImageOfProduct(int id)
{
if (AppCache.FindPhoto(id) != null)
{
AppCache.DeletePhoto(id);
}
using (var dataContext = new DataContext(_connectionString))
{
dataContext.ExecuteCommand("DELETE FROM BigPhoto WHERE product_id={0}", id);
}
}
public bool IsImageExist(int id)
{
if (AppCache.FindPhoto(id) != null)
{
return(true);
}
else
{
using (var dataContext = new DataContext(_connectionString))
{
return(dataContext.GetTable <BigPhoto>().Any(c => c.ProductId == id && c.Picture != null));
}
}
}
public void UpdateImageOfProduct(BigPhoto bigPhoto)
{
if (AppCache.FindPhoto(bigPhoto.Id) != null)
{
AppCache.DeletePhoto(bigPhoto.Id);
AppCache.Add(bigPhoto.Id, bigPhoto.Picture);
}
using (var dataContext = new DataContext(_connectionString))
{
BigPhoto dbPhoto = dataContext.GetTable <BigPhoto>().Single(p => p.ProductId == bigPhoto.ProductId);
dbPhoto.Picture = bigPhoto.Picture;
dataContext.SubmitChanges();
}
}
public void UpdateImageOfUser(UserPhoto userPhoto)
{
if (AppCache.FindPhoto(userPhoto.Id) != null)
{
AppCache.DeletePhoto(userPhoto.Id);
AppCache.Add(userPhoto.Id, userPhoto.Picture);
}
using (var dataContext = new DataContext(_connectionString))
{
UserPhoto dbPhoto = dataContext.GetTable <UserPhoto>().Single(p => p.UserId == userPhoto.UserId);
dbPhoto.Picture = userPhoto.Picture;
dataContext.SubmitChanges();
}
}
public byte[] GetImageBytesById(int Id)
{
if (!IsImageExist(Id))
{
throw new Exception("This photo does not exist");
}
else
{
if (AppCache.FindPhoto(Id) != null)
{
return(AppCache.FindPhoto(Id));
}
else
{
using (var dataContext = new DataContext(_connectionString))
{
byte[] rez = dataContext.GetTable <BigPhoto>().Single(c => c.ProductId == Id).Picture;
AppCache.Add(Id, rez);
return(rez);
}
}
}
}
