private IQueryable <TGuitar> ApplyFilteringFor <TGuitar>(IGuitarRepository <TGuitar> repo, FilterDataModel filter) where TGuitar : GuitarModel
{
var all = repo.GetAll();
if (SearchItemsExist(filter.SearchItems))
{
var searchItems = filter.SearchItems;
all = all.Where(guitar => searchItems.All(item => guitar.Vendor.Name.ToLower().Contains(item) || guitar.Model.ToLower().Contains(item)));
}
if (PriceFilterExists(filter.PriceFilter))
{
var from = filter.PriceFilter.From;
var to = filter.PriceFilter.To;
all = all.Where(g => from <= g.Price && g.Price <= to);
}
if (VendorFilterExists(filter.VendorFilter))
{
var vendors = filter.VendorFilter.Vendors.Select(v => v.Name);
all = all.Where(g => vendors.Contains(g.Vendor.Name));
}
return(all);
}
