public Task<IPagedList<Auction>> GetAllActiveAuctions(string titleFilter,
AuctionSortOrder sortBy,
int pageIndex,
int auctionsPerPage)
{
return GetAuctions(cat => cat.ParentId == null, titleFilter, sortBy, pageIndex, auctionsPerPage);
}
public Task<IPagedList<Auction>> GetActiveAuctionsInCategory(int categoryId,
string titleFilter,
AuctionSortOrder sortBy,
int pageIndex,
int auctionsPerPage)
{
return GetAuctions(cat => cat.Id == categoryId, titleFilter, sortBy, pageIndex, auctionsPerPage);
}
private void InitializeAuctionListingParameters(ref int? pageSize, ref AuctionSortOrder? sortOrder)
{
mResponse.SaveToCookieIfNotNull(COOKIE_PAGE_SIZE_KEY, pageSize);
mResponse.SaveToCookieIfNotNull(COOKIE_SORT_ORDER_KEY, sortOrder);
pageSize = pageSize ?? mRequest.ReadIntFromCookie(COOKIE_PAGE_SIZE_KEY) ?? 20;
sortOrder = sortOrder ?? mRequest.ReadEnumFromCookie<AuctionSortOrder>(COOKIE_SORT_ORDER_KEY) ?? AuctionSortOrder.EndDateAscending;
pageSize = Math.Min(pageSize.Value, 50);
}
public async Task<ActionResult> All(string searchString = null, AuctionSortOrder? sortOrder = null, int page = 1,
int? pageSize = null)
{
InitializeAuctionListingParameters(ref pageSize, ref sortOrder);
var auctions = await mAuctionService.GetAllActiveAuctions(searchString, sortOrder.Value, page, pageSize.Value);
var viewModel = CategoryIndexViewModelMapper.FromAuctions(auctions, currentSortOrder: sortOrder.Value);
return View("Index", viewModel);
}
Task<IPagedList<Auction>> IAuctionService.GetAllActiveAuctions(string titleFilter,
AuctionSortOrder sortBy,
int pageIndex,
int auctionsPerPage)
{
Contract.Requires(pageIndex >= 1);
Contract.Requires(auctionsPerPage >= 1);
throw new NotImplementedException();
}
public async Task<ActionResult> Index(int id, string searchString = null, AuctionSortOrder? sortOrder = null,
int page = 1, int? pageSize = null)
{
InitializeAuctionListingParameters(ref pageSize, ref sortOrder);
var auctions = await mAuctionService.GetActiveAuctionsInCategory(id, searchString, sortOrder.Value, page,
pageSize.Value);
var viewModel = CategoryIndexViewModelMapper.FromAuctions(auctions, sortOrder.Value, categoryId: id);
return View(viewModel);
}
public Task<IPagedList<Auction>> GetAuctions(Expression<Func<Category, bool>> rootCategoryFilter,
string titleFilter,
AuctionSortOrder sortBy,
int pageIndex,
int auctionsPerPage)
{
var auctions = from auction in mContext.Auctions.Where(AuctionStatusFilter.Active)
from rootCategory in mContext.Categories.Where(rootCategoryFilter)
from subCategory in mContext.Categories
where subCategory.Left >= rootCategory.Left &&
subCategory.Right <= rootCategory.Right
where auction.CategoryId == subCategory.Id
select auction;
if(!String.IsNullOrWhiteSpace(titleFilter))
{
auctions = auctions.Where(x => x.Title.Contains(titleFilter));
}
switch(sortBy)
{
case AuctionSortOrder.TitleAscending:
auctions = auctions.OrderBy(x => x.Title);
break;
case AuctionSortOrder.TitleDescending:
auctions = auctions.OrderByDescending(x => x.Title);
break;
default: // AuctionSortOrder.EndDateAscending
auctions = auctions.OrderBy(x => x.EndDate);
break;
case AuctionSortOrder.EndDateDescending:
auctions = auctions.OrderByDescending(x => x.EndDate);
break;
case AuctionSortOrder.PriceAscending:
// TODO sorting should take into account relative value of currencies
auctions = auctions.OrderByMinimumPrice();
break;
case AuctionSortOrder.PriceDescending:
auctions = auctions.OrderByMinimumPriceDescending();
break;
}
auctions = auctions.Include(x => x.MinimumPrice.Currency)
.Include(x => x.BuyoutPrice.Currency)
.Include(x => x.Offers);
return Task.FromResult(auctions.ToPagedList(pageIndex, auctionsPerPage));
}
public static CategoryIndexViewModel FromAuctions(IPagedList<Auction> auctions,
AuctionSortOrder currentSortOrder,
int? categoryId = null)
{
Contract.Requires(auctions != null);
return new CategoryIndexViewModel
{
CategoryId = categoryId,
Auctions = new StaticPagedList<AuctionViewModel>(auctions.Select(AuctionViewModelMapper.FromAuction),
auctions),
CurrentSortOrder = currentSortOrder,
};
}