private IQueryable<Auction> PageSearchResult(SearchCriteria criteria, IQueryable<Auction> auctionsData)
{
IQueryable<Auction> result;
var numberOfItems = auctionsData.Count();
if (numberOfItems > criteria.GetPageSize())
{
var maxNumberOfPages = numberOfItems/criteria.GetPageSize();
if (criteria.CurrentPage > maxNumberOfPages)
criteria.CurrentPage = maxNumberOfPages;
result = auctionsData.Page(criteria.CurrentPage, criteria.GetPageSize()).AsQueryable();
}
else
{
result = auctionsData;
}
return result;
}
public ActionResult Index(SearchCriteria criteria)
{
IQueryable<Auction> auctions;
// Filter auctions by keyword
if (!string.IsNullOrEmpty(criteria.SearchKeyword))
auctions = _repository.Query<Auction>(q => q.Description.Contains(criteria.SearchKeyword));
else
auctions = _repository.All<Auction>();
switch (criteria.GetSortByField())
{
case SearchCriteria.SearchFieldType.Price:
auctions = auctions.OrderBy(q => q.CurrentPrice.Value);
break;
case SearchCriteria.SearchFieldType.RemainingTime:
auctions = auctions.OrderBy(q => q.EndTime);
break;
case SearchCriteria.SearchFieldType.Keyword:
default:
auctions = auctions.OrderBy(q => q.Title);
break;
}
auctions = PageSearchResult(criteria, auctions);
// Populate the view model
var viewModel = new SearchViewModel();
// Copy values from the criteria object to the view model
Mapper.DynamicMap(criteria, viewModel);
// Map the matching Auctions to view models
viewModel.SearchResult = Mapper.DynamicMap<IEnumerable<AuctionViewModel>>(auctions);
return View("Search", viewModel);
}