public static async Task BulkInsertWithIdGeneration <T>(this IContextAdapter contextAdapter, IList <T> forSave)
where T : class
{
if (forSave == null)
{
return;
}
var pk = contextAdapter.GetPk <T>();
if (!pk.IsIdentity)
{
await contextAdapter.BulkInsert(forSave, true);
}
else
{
var isNew = ExpressHelper.IsPropertyEmpty <T>(pk.PropertyName, pk.Type).Compile();
var newObjects = forSave.Where(isNew).ToArray();
if (!newObjects.Any())
{
return;
}
await contextAdapter.RetrieveIds(newObjects);
await contextAdapter.BulkInsert(newObjects, true);
}
}
