public List <Users> GetAll(Expression <Func <Users, bool> > filter = null)
{
using (RentaCarContext context = new RentaCarContext())
{
return(filter == null?context.Set <Users>().ToList() : context.Set <Users>().Where(filter).ToList());
}
}
public List <Car> GetAll(Expression <Func <Car, bool> > filter = null)
{
using (RentaCarContext context = new RentaCarContext())
{
#region information
//filtre null ise contextdeki car tablosuna yerleş ve oradaki tüm datayı getir.Null değilse filtreyi uygula getir.
//Arka planda select * from Car çalıştırıyor.
#endregion
return(filter == null?context.Set <Car>().ToList() : context.Set <Car>().Where(filter).ToList());
}
}
public Users Get(Expression <Func <Users, bool> > filter)
{
using (RentaCarContext context = new RentaCarContext())
{
return(context.Set <Users>().SingleOrDefault(filter));
}
}
public Brand Get(Expression <Func <Brand, bool> > filter)
{
using (RentaCarContext context = new RentaCarContext())
{
return(context.Set <Brand>().SingleOrDefault(filter));
}
}
public Customer Get(Expression <Func <Customer, bool> > filter)
{
using (RentaCarContext context = new RentaCarContext())
{
return(context.Set <Customer>().FirstOrDefault(filter));
}
}
public Rental Get(Expression <Func <Rental, bool> > filter)
{
using (RentaCarContext context = new RentaCarContext())
{
return(context.Set <Rental>().FirstOrDefault(filter));
}
}
public Color Get(Expression <Func <Color, bool> > filter)
{
using (RentaCarContext context = new RentaCarContext())
{
return(context.Set <Color>().SingleOrDefault(filter));
}
}
