public void SaveAll(TrainEntity[] entities)
{
if (entities == null)
{
return;
}
using (var db = new TrainTrainContext())
{
db.Trains.AddOrUpdate(entities);
db.SaveChanges();
}
}
public void Remove(string trainId)
{
using (var db = new TrainTrainContext())
{
var train = db.Trains.Include(t => t.Seats).SingleOrDefault(t => t.TrainId == trainId);
if (train != null)
{
train.Seats.RemoveAll(t => true);
RemoveSeats(db);
db.Trains.Remove(train);
}
db.SaveChanges();
}
}
public void RemoveAll()
{
using (var db = new TrainTrainContext())
{
var trains = db.Trains.Include(t => t.Seats).ToList();
if (trains.Any())
{
foreach (var trainEntity in trains)
{
trainEntity.Seats.RemoveAll(t => true);
RemoveSeats(db);
db.Trains.Remove(trainEntity);
}
}
db.SaveChanges();
}
}