public IActionResult Index(double startPriceAt = 0, double endPriceAt = double.MaxValue, string sortBy = "SortByCostFrom0", double startRatingAt = 0, double endRatingAt = 5)
{
var list = context.Product.GetAllWithIncludes();
var _list = new List <IndexProductViewModel>();
foreach (var obj in list)
{
var r = obj.Rates.Select(x => x.Rating).ToArray();
double ave = 0;
if (r != null)
{
ave = MathFunc.Aver(r);
}
_list.Add(new IndexProductViewModel
{
ID = obj.ID,
Name = obj.Name,
Price = obj.Price,
NameCatalog = obj.Catalog.Name,
Rating = ave
});
}
ViewBag.Sort = new SelectList(new List <SelectListItem>
{
new SelectListItem {
Selected = true, Text = "SortByCostFrom0", Value = "1"
},
new SelectListItem {
Selected = false, Text = "SortByCostTo0", Value = "2"
},
new SelectListItem {
Selected = false, Text = "RatingFrom0", Value = "3"
},
new SelectListItem {
Selected = false, Text = "RaringTo0", Value = "4"
}
}, "Value", "Text");
_list = filter.Filter(_list, startPriceAt, endPriceAt, startRatingAt, endRatingAt);
switch (sortBy)
{
case "1":
_list = _list.OrderBy(x => x.Price).ToList();
break;
case "2":
_list = _list.OrderByDescending(x => x.Price).ToList();
break;
case "3":
_list = _list.OrderBy(x => x.Rating).ToList();
break;
case "4":
_list = _list.OrderByDescending(x => x.Rating).ToList();
break;
}
return(View(_list));
}