public static void ImportData <T>(Site site, ISiteElementProvider <T> provider, string fileName, Stream zipStream, bool @override)
where T : ISiteObject, IFilePersistable, IPersistable, IIdentifiable
{
using (ZipFile zipFile = ZipFile.Read(zipStream))
{
if (zipFile.ContainsEntry(fileName))
{
using (MemoryStream ms = new MemoryStream())
{
var entry = zipFile[fileName];
entry.Extract(ms);
ms.Position = 0;
var list = Deserialize <List <T> >(ms, null);
foreach (var item in list)
{
item.Site = site;
var o = provider.Get(item);
if (o != null && @override)
{
provider.Update(item, o);
}
if (o == null)
{
provider.Add(item);
}
}
}
}
}
}
public SiteElementProviderBase(ISiteElementProvider <T> inner)
: base(inner)
{
this.innerProvider = inner;
}