internal static Expression <Func <Customer, int, CustomerWithProductSpecReturn> > SelectProductSpec()
{
var specSelect = CustomerProductAttributeRangeProjectors.Select();
var keySelect = SelectKey();
return((c, p) => new CustomerWithProductSpecReturn
{
CustomerName = c.Company.Name,
CustomerKeyReturn = keySelect.Invoke(c),
AttributeRanges = c.ProductSpecs.Where(s => s.ChileProductId == p).Select(s => specSelect.Invoke(s))
});
}
internal static Expression <Func <Customer, IEnumerable <CustomerChileProductAttributeRangesReturn> > > SelectProductSpecs(bool onlyActive = false)
{
var customerKey = SelectKey();
var productKey = ProductProjectors.SelectChileProductSummary();
var rangeSelect = CustomerProductAttributeRangeProjectors.Select();
return(Projector <Customer> .To(c => c.ProductSpecs
.Where(r => r.Active || !onlyActive)
.GroupBy(r => r.ChileProduct)
.Select(g => new CustomerChileProductAttributeRangesReturn
{
CustomerKeyReturn = customerKey.Invoke(c),
ChileProduct = productKey.Invoke(g.Key),
AttributeRanges = g.Select(r => rangeSelect.Invoke(r))
})));
}