public List <Product> GetAll(Expression <Func <Product, bool> > filter = null)
{
using (NortwindContext context = new NortwindContext())
{
return(filter == null?context.Set <Product>().ToList() : context.Set <Product>().Where(filter).ToList());
}
}
public Product Get(Expression <Func <Product, bool> > filter)
{
using (NortwindContext context = new NortwindContext())
{
return(context.Set <Product>().SingleOrDefault(filter));
}
}
public IEnumerable <Product> GetAllProducts()
{
return(_dbContext.Set <Product>());
}
public IEnumerable <Category> GetAllCategories()
{
return(_dbContext.Set <Category>());
}